<SEC-DOCUMENT>0001084991-18-000049.txt : 20180809
<SEC-HEADER>0001084991-18-000049.hdr.sgml : 20180809
<ACCEPTANCE-DATETIME>20180809151800
ACCESSION NUMBER:		0001084991-18-000049
CONFORMED SUBMISSION TYPE:	10-Q
PUBLIC DOCUMENT COUNT:		51
CONFORMED PERIOD OF REPORT:	20180630
FILED AS OF DATE:		20180809
DATE AS OF CHANGE:		20180809

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			NATURAL GAS SERVICES GROUP INC
		CENTRAL INDEX KEY:			0001084991
		STANDARD INDUSTRIAL CLASSIFICATION:	OIL, GAS FIELD SERVICES, NBC [1389]
		IRS NUMBER:				752811855
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		10-Q
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-31398
		FILM NUMBER:		181004723

	BUSINESS ADDRESS:	
		STREET 1:		508 WEST WALL STREET
		STREET 2:		SUITE 550
		CITY:			MIDLAND
		STATE:			TX
		ZIP:			79701
		BUSINESS PHONE:		432-262-2700

	MAIL ADDRESS:	
		STREET 1:		508 WEST WALL STREET
		STREET 2:		SUITE 550
		CITY:			MIDLAND
		STATE:			TX
		ZIP:			79701
</SEC-HEADER>
<DOCUMENT>
<TYPE>10-Q
<SEQUENCE>1
<FILENAME>ngs-20180630.htm
<DESCRIPTION>10-Q
<TEXT>
<XBRL>
<?xml version="1.0" ?><!--XBRL Document Created with Wdesk from Workiva--><!--Copyright 2017 Workiva--><!--r:099b662c-2119-4203-8f6b-49ac0226745a,g:9b7f8944-7e58-44f0-88c3-cc8518166311--><html xmlns:us-gaap="http://fasb.org/us-gaap/2017-01-31" xmlns:ix="http://www.xbrl.org/2013/inlineXBRL" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:iso4217="http://www.xbrl.org/2003/iso4217" xmlns:dei="http://xbrl.sec.gov/dei/2014-01-31" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:ngs="http://naturalgaservices.com/20180630" xmlns:ixt-sec="http://www.sec.gov/inlineXBRL/transformation/2015-08-31" xmlns:ixt="http://www.xbrl.org/inlineXBRL/transformation/2015-02-26" xmlns="http://www.w3.org/1999/xhtml" xmlns:xbrldi="http://xbrl.org/2006/xbrldi" xmlns:xbrli="http://www.xbrl.org/2003/instance" xmlns:xlink="http://www.w3.org/1999/xlink"><head><meta http-equiv="Content-Type" content="text/html"></meta>


<title>Document</title></head><body><div style="display:none"><ix:header><ix:hidden><ix:nonNumeric contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630" name="dei:EntityRegistrantName" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNC9mcmFnOjExYTdkYzc4YzQyOTQwNzM5ZmFkODMxMDljNWY1OGM3L3RhYmxlOjNkNjAyOGI0NDdhMzQ1ZmM4ZmExYzRiZTJjNzUzODE4L3RhYmxlcmFuZ2U6M2Q2MDI4YjQ0N2EzNDVmYzhmYTFjNGJlMmM3NTM4MThfMDFjQUFBQUF3QUFBQU1BQUFBQkFBQUFBUUFBQUFBQUFBZzJBQUElM0Q_0c29ce92-8bb6-4214-8e58-1214bd2d9e14">NATURAL GAS SERVICES GROUP INC</ix:nonNumeric><ix:nonNumeric contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630" name="dei:EntityCentralIndexKey" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNC9mcmFnOjExYTdkYzc4YzQyOTQwNzM5ZmFkODMxMDljNWY1OGM3L3RhYmxlOjNkNjAyOGI0NDdhMzQ1ZmM4ZmExYzRiZTJjNzUzODE4L3RhYmxlcmFuZ2U6M2Q2MDI4YjQ0N2EzNDVmYzhmYTFjNGJlMmM3NTM4MThfMDIxMUFBQUFCQUFBQUFRQUFBQUJBQUFBQVFBQUFBQUFBQlRiQUFBJTNE_0e584d01-4367-4bb0-8c15-f3596a216e5d">0001084991</ix:nonNumeric><ix:nonNumeric contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630" name="dei:EntityFilerCategory" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNC9mcmFnOjExYTdkYzc4YzQyOTQwNzM5ZmFkODMxMDljNWY1OGM3L3RhYmxlOjNkNjAyOGI0NDdhMzQ1ZmM4ZmExYzRiZTJjNzUzODE4L3RhYmxlcmFuZ2U6M2Q2MDI4YjQ0N2EzNDVmYzhmYTFjNGJlMmM3NTM4MThfMDIxN0FBQUFCZ0FBQUFZQUFBQUJBQUFBQVFBQUFBQUFBQWc0QUFBJTNE_bad46e8b-8b31-410a-9313-0b258030c615" escape="true">Accelerated Filer</ix:nonNumeric><ix:nonNumeric contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630" format="ixt:datemonthdayyear" name="dei:DocumentPeriodEndDate" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNC9mcmFnOjExYTdkYzc4YzQyOTQwNzM5ZmFkODMxMDljNWY1OGM3L3RhYmxlOjNkNjAyOGI0NDdhMzQ1ZmM4ZmExYzRiZTJjNzUzODE4L3RhYmxlcmFuZ2U6M2Q2MDI4YjQ0N2EzNDVmYzhmYTFjNGJlMmM3NTM4MThfMDJlOUFBQUFDQUFBQUFnQUFBQUJBQUFBQVFBQUFBQUFBQWc3QUFBJTNE_ebaf3359-8d44-46f5-8bff-1cf407f685f0">6/30/2018</ix:nonNumeric><ix:nonNumeric contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630" name="dei:DocumentFiscalYearFocus" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNC9mcmFnOjExYTdkYzc4YzQyOTQwNzM5ZmFkODMxMDljNWY1OGM3L3RhYmxlOjNkNjAyOGI0NDdhMzQ1ZmM4ZmExYzRiZTJjNzUzODE4L3RhYmxlcmFuZ2U6M2Q2MDI4YjQ0N2EzNDVmYzhmYTFjNGJlMmM3NTM4MThfMDJlOEFBQUFDUUFBQUFrQUFBQUJBQUFBQVFBQUFBQUFBQWc4QUFBJTNE_a6da7358-71ef-42f5-9982-2ce4db0d865a">2018</ix:nonNumeric><ix:nonNumeric contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630" name="dei:DocumentFiscalPeriodFocus" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNC9mcmFnOjExYTdkYzc4YzQyOTQwNzM5ZmFkODMxMDljNWY1OGM3L3RhYmxlOjNkNjAyOGI0NDdhMzQ1ZmM4ZmExYzRiZTJjNzUzODE4L3RhYmxlcmFuZ2U6M2Q2MDI4YjQ0N2EzNDVmYzhmYTFjNGJlMmM3NTM4MThfMDJlZEFBQUFDZ0FBQUFvQUFBQUJBQUFBQVFBQUFBQUFBQWc5QUFBJTNE_eac52e32-62eb-439e-84af-91b5775a8b33">Q2</ix:nonNumeric><ix:nonNumeric contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630" format="ixt:booleanfalse" name="dei:AmendmentFlag" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNC9mcmFnOjExYTdkYzc4YzQyOTQwNzM5ZmFkODMxMDljNWY1OGM3L3RhYmxlOjNkNjAyOGI0NDdhMzQ1ZmM4ZmExYzRiZTJjNzUzODE4L3RhYmxlcmFuZ2U6M2Q2MDI4YjQ0N2EzNDVmYzhmYTFjNGJlMmM3NTM4MThfMDJlZUFBQUFDd0FBQUFzQUFBQUJBQUFBQVFBQUFBQUFBQWclMkJBQUElM0Q_9b24d012-cebb-47e2-a9f6-957ddced3c65">FALSE</ix:nonNumeric><ix:nonNumeric contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630" name="dei:CurrentFiscalYearEndDate" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNC9mcmFnOjExYTdkYzc4YzQyOTQwNzM5ZmFkODMxMDljNWY1OGM3L3RleHRyZWdpb246MTFhN2RjNzhjNDI5NDA3MzlmYWQ4MzEwOWM1ZjU4YzdfNTQ5NzU1ODEzODkwMg_add75f64-d316-4c77-a7a0-ace22a9f54cd">--12-31</ix:nonNumeric><ix:nonFraction unitRef="usd" contextRef="i4a0749d860044c61bf1ca42bfa4d1200_I20180630" decimals="-3" name="us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl84My9mcmFnOmY4ZGM1YWY3NTZiNDQwM2JhNDczNjFmMjNmZDQ2ODk2L3RhYmxlOmI5MzE1ODk2NjkyMzQ0Yjk4ZWZkMzAwZGFlNzY0Y2M0L3RhYmxlcmFuZ2U6YjkzMTU4OTY2OTIzNDRiOThlZmQzMDBkYWU3NjRjYzRfMDFjQUFBQUF3QUFBQU1BQUFBQkFBQUFBUUFBQUFBQUFBaUpBQUElM0Q_69c4a9d2-8779-4bcd-9578-3257cb3e261a">443</ix:nonFraction><ix:nonFraction unitRef="usd" contextRef="ic4d3c0da31dc4a6d9e6a956840d0f98c_I20171231" decimals="-3" name="us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl84My9mcmFnOmY4ZGM1YWY3NTZiNDQwM2JhNDczNjFmMjNmZDQ2ODk2L3RhYmxlOmI5MzE1ODk2NjkyMzQ0Yjk4ZWZkMzAwZGFlNzY0Y2M0L3RhYmxlcmFuZ2U6YjkzMTU4OTY2OTIzNDRiOThlZmQzMDBkYWU3NjRjYzRfMDFhQUFBQUF3QUFBQU1BQUFBREFBQUFBd0FBQUFBQUFBaVlBQUElM0Q_0b11967d-7da5-4cc2-bb1d-a0901d6a9ec6">569</ix:nonFraction><ix:nonFraction unitRef="usd" contextRef="i4a0749d860044c61bf1ca42bfa4d1200_I20180630" decimals="-3" name="us-gaap:InventoryValuationReserves" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl84My9mcmFnOmY4ZGM1YWY3NTZiNDQwM2JhNDczNjFmMjNmZDQ2ODk2L3RhYmxlOmI5MzE1ODk2NjkyMzQ0Yjk4ZWZkMzAwZGFlNzY0Y2M0L3RhYmxlcmFuZ2U6YjkzMTU4OTY2OTIzNDRiOThlZmQzMDBkYWU3NjRjYzRfMDIxMUFBQUFCQUFBQUFRQUFBQUJBQUFBQVFBQUFBQUFBQWlJQUFBJTNE_fb568c9e-5ed5-4d47-af09-bd4d74d9a16a">21</ix:nonFraction><ix:nonFraction unitRef="usd" contextRef="ic4d3c0da31dc4a6d9e6a956840d0f98c_I20171231" decimals="-3" name="us-gaap:InventoryValuationReserves" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl84My9mcmFnOmY4ZGM1YWY3NTZiNDQwM2JhNDczNjFmMjNmZDQ2ODk2L3RhYmxlOmI5MzE1ODk2NjkyMzQ0Yjk4ZWZkMzAwZGFlNzY0Y2M0L3RhYmxlcmFuZ2U6YjkzMTU4OTY2OTIzNDRiOThlZmQzMDBkYWU3NjRjYzRfMDIxZkFBQUFCQUFBQUFRQUFBQURBQUFBQXdBQUFBQUFBQWlYQUFBJTNE_6955a2cf-422c-42ff-9001-9d738cca4aa9">15</ix:nonFraction><ix:nonFraction unitRef="usd" contextRef="i4a0749d860044c61bf1ca42bfa4d1200_I20180630" decimals="-3" format="ixt:numdotdecimal" name="ngs:AccumulatedDepreciationRentalEquipment" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl84My9mcmFnOmY4ZGM1YWY3NTZiNDQwM2JhNDczNjFmMjNmZDQ2ODk2L3RhYmxlOmI5MzE1ODk2NjkyMzQ0Yjk4ZWZkMzAwZGFlNzY0Y2M0L3RhYmxlcmFuZ2U6YjkzMTU4OTY2OTIzNDRiOThlZmQzMDBkYWU3NjRjYzRfMDIxNkFBQUFCd0FBQUFjQUFBQUJBQUFBQVFBQUFBQUFBQWlMQUFBJTNE_7e9cd882-920f-4f88-ac7f-52d45c3c4ac5">155,989</ix:nonFraction><ix:nonFraction unitRef="usd" contextRef="ic4d3c0da31dc4a6d9e6a956840d0f98c_I20171231" decimals="-3" format="ixt:numdotdecimal" name="ngs:AccumulatedDepreciationRentalEquipment" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl84My9mcmFnOmY4ZGM1YWY3NTZiNDQwM2JhNDczNjFmMjNmZDQ2ODk2L3RhYmxlOmI5MzE1ODk2NjkyMzQ0Yjk4ZWZkMzAwZGFlNzY0Y2M0L3RhYmxlcmFuZ2U6YjkzMTU4OTY2OTIzNDRiOThlZmQzMDBkYWU3NjRjYzRfMDIxYUFBQUFCd0FBQUFjQUFBQURBQUFBQXdBQUFBQUFBQWliQUFBJTNE_964ba42a-d3cb-4487-b3aa-ed70d38e7f60">145,851</ix:nonFraction><ix:nonFraction unitRef="usd" contextRef="i4a0749d860044c61bf1ca42bfa4d1200_I20180630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl84My9mcmFnOmY4ZGM1YWY3NTZiNDQwM2JhNDczNjFmMjNmZDQ2ODk2L3RhYmxlOmI5MzE1ODk2NjkyMzQ0Yjk4ZWZkMzAwZGFlNzY0Y2M0L3RhYmxlcmFuZ2U6YjkzMTU4OTY2OTIzNDRiOThlZmQzMDBkYWU3NjRjYzRfMDJlOUFBQUFDQUFBQUFnQUFBQUJBQUFBQVFBQUFBQUFBQWlOQUFBJTNE_437506f1-56a4-4c2d-98f4-ce81c206d333">11,176</ix:nonFraction><ix:nonFraction unitRef="usd" contextRef="ic4d3c0da31dc4a6d9e6a956840d0f98c_I20171231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl84My9mcmFnOmY4ZGM1YWY3NTZiNDQwM2JhNDczNjFmMjNmZDQ2ODk2L3RhYmxlOmI5MzE1ODk2NjkyMzQ0Yjk4ZWZkMzAwZGFlNzY0Y2M0L3RhYmxlcmFuZ2U6YjkzMTU4OTY2OTIzNDRiOThlZmQzMDBkYWU3NjRjYzRfMDJlNUFBQUFDQUFBQUFnQUFBQURBQUFBQXdBQUFBQUFBQWlhQUFBJTNE_c105f173-5f43-436e-8e99-460331581805">11,274</ix:nonFraction><ix:nonFraction unitRef="usd" contextRef="i4a0749d860044c61bf1ca42bfa4d1200_I20180630" decimals="-3" format="ixt:numdotdecimal" name="ngs:IntangibleAssetsAccumulatedAmortization" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl84My9mcmFnOmY4ZGM1YWY3NTZiNDQwM2JhNDczNjFmMjNmZDQ2ODk2L3RhYmxlOmI5MzE1ODk2NjkyMzQ0Yjk4ZWZkMzAwZGFlNzY0Y2M0L3RhYmxlcmFuZ2U6YjkzMTU4OTY2OTIzNDRiOThlZmQzMDBkYWU3NjRjYzRfMDJlOEFBQUFDUUFBQUFrQUFBQUJBQUFBQVFBQUFBQUFBQWlNQUFBJTNE_c1aa8c06-d3a4-46ab-86ee-bd75dd19eeac">1,695</ix:nonFraction><ix:nonFraction unitRef="usd" contextRef="ic4d3c0da31dc4a6d9e6a956840d0f98c_I20171231" decimals="-3" format="ixt:numdotdecimal" name="ngs:IntangibleAssetsAccumulatedAmortization" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl84My9mcmFnOmY4ZGM1YWY3NTZiNDQwM2JhNDczNjFmMjNmZDQ2ODk2L3RhYmxlOmI5MzE1ODk2NjkyMzQ0Yjk4ZWZkMzAwZGFlNzY0Y2M0L3RhYmxlcmFuZ2U6YjkzMTU4OTY2OTIzNDRiOThlZmQzMDBkYWU3NjRjYzRfMDJlNEFBQUFDUUFBQUFrQUFBQURBQUFBQXdBQUFBQUFBQWljQUFBJTNE_583157dc-d66e-4453-99e2-0e12e4c50994">1,632</ix:nonFraction><ix:nonFraction unitRef="shares" contextRef="i4a0749d860044c61bf1ca42bfa4d1200_I20180630" decimals="INF" format="ixt:numdotdecimal" name="us-gaap:PreferredStockSharesAuthorized" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl84My9mcmFnOmY4ZGM1YWY3NTZiNDQwM2JhNDczNjFmMjNmZDQ2ODk2L3RhYmxlOmI5MzE1ODk2NjkyMzQ0Yjk4ZWZkMzAwZGFlNzY0Y2M0L3RhYmxlcmFuZ2U6YjkzMTU4OTY2OTIzNDRiOThlZmQzMDBkYWU3NjRjYzRfMDJmM0FBQUFEQUFBQUF3QUFBQUJBQUFBQVFBQUFBQUFBQWlSQUFBJTNE_f879769d-468d-4105-a239-fc64dc9b6190">5,000</ix:nonFraction><ix:nonFraction unitRef="shares" contextRef="ic4d3c0da31dc4a6d9e6a956840d0f98c_I20171231" decimals="INF" format="ixt:numdotdecimal" name="us-gaap:PreferredStockSharesAuthorized" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl84My9mcmFnOmY4ZGM1YWY3NTZiNDQwM2JhNDczNjFmMjNmZDQ2ODk2L3RhYmxlOmI5MzE1ODk2NjkyMzQ0Yjk4ZWZkMzAwZGFlNzY0Y2M0L3RhYmxlcmFuZ2U6YjkzMTU4OTY2OTIzNDRiOThlZmQzMDBkYWU3NjRjYzRfMDJmNUFBQUFEQUFBQUF3QUFBQURBQUFBQXdBQUFBQUFBQWlmQUFBJTNE_fb83cc22-a09c-4d8a-93b6-b97d089780c1">5,000</ix:nonFraction><ix:nonFraction unitRef="shares" contextRef="i4a0749d860044c61bf1ca42bfa4d1200_I20180630" decimals="INF" format="ixt:zerodash" name="us-gaap:PreferredStockSharesIssued" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl84My9mcmFnOmY4ZGM1YWY3NTZiNDQwM2JhNDczNjFmMjNmZDQ2ODk2L3RhYmxlOmI5MzE1ODk2NjkyMzQ0Yjk4ZWZkMzAwZGFlNzY0Y2M0L3RhYmxlcmFuZ2U6YjkzMTU4OTY2OTIzNDRiOThlZmQzMDBkYWU3NjRjYzRfMDJmMkFBQUFEUUFBQUEwQUFBQUJBQUFBQVFBQUFBQUFBQWlRQUFBJTNE_5526d4b9-da4b-4f77-8dae-83d0acb8afa3">&#8212;</ix:nonFraction><ix:nonFraction unitRef="shares" contextRef="ic4d3c0da31dc4a6d9e6a956840d0f98c_I20171231" decimals="INF" format="ixt:zerodash" name="us-gaap:PreferredStockSharesIssued" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl84My9mcmFnOmY4ZGM1YWY3NTZiNDQwM2JhNDczNjFmMjNmZDQ2ODk2L3RhYmxlOmI5MzE1ODk2NjkyMzQ0Yjk4ZWZkMzAwZGFlNzY0Y2M0L3RhYmxlcmFuZ2U6YjkzMTU4OTY2OTIzNDRiOThlZmQzMDBkYWU3NjRjYzRfMDJmNkFBQUFEUUFBQUEwQUFBQURBQUFBQXdBQUFBQUFBQWllQUFBJTNE_3014b2dd-60af-4ce4-b19f-4fb3e7907592">&#8212;</ix:nonFraction><ix:nonFraction unitRef="shares" contextRef="i4a0749d860044c61bf1ca42bfa4d1200_I20180630" decimals="INF" format="ixt:zerodash" name="us-gaap:PreferredStockSharesOutstanding" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl84My9mcmFnOmY4ZGM1YWY3NTZiNDQwM2JhNDczNjFmMjNmZDQ2ODk2L3RhYmxlOmI5MzE1ODk2NjkyMzQ0Yjk4ZWZkMzAwZGFlNzY0Y2M0L3RhYmxlcmFuZ2U6YjkzMTU4OTY2OTIzNDRiOThlZmQzMDBkYWU3NjRjYzRfMDJmZEFBQUFEZ0FBQUE0QUFBQUJBQUFBQVFBQUFBQUFBQWlQQUFBJTNE_2623919a-c638-4695-9f12-3515de714115">&#8212;</ix:nonFraction><ix:nonFraction unitRef="shares" contextRef="ic4d3c0da31dc4a6d9e6a956840d0f98c_I20171231" decimals="INF" format="ixt:zerodash" name="us-gaap:PreferredStockSharesOutstanding" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl84My9mcmFnOmY4ZGM1YWY3NTZiNDQwM2JhNDczNjFmMjNmZDQ2ODk2L3RhYmxlOmI5MzE1ODk2NjkyMzQ0Yjk4ZWZkMzAwZGFlNzY0Y2M0L3RhYmxlcmFuZ2U6YjkzMTU4OTY2OTIzNDRiOThlZmQzMDBkYWU3NjRjYzRfMDJmOUFBQUFEZ0FBQUE0QUFBQURBQUFBQXdBQUFBQUFBQWlnQUFBJTNE_cb004b95-9fd9-4f10-9a4e-c7c85a719189">&#8212;</ix:nonFraction><ix:nonFraction unitRef="usdPerShare" contextRef="i4a0749d860044c61bf1ca42bfa4d1200_I20180630" decimals="INF" name="us-gaap:CommonStockParOrStatedValuePerShare" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl84My9mcmFnOmY4ZGM1YWY3NTZiNDQwM2JhNDczNjFmMjNmZDQ2ODk2L3RhYmxlOmI5MzE1ODk2NjkyMzQ0Yjk4ZWZkMzAwZGFlNzY0Y2M0L3RhYmxlcmFuZ2U6YjkzMTU4OTY2OTIzNDRiOThlZmQzMDBkYWU3NjRjYzRfMDJmY0FBQUFEd0FBQUE4QUFBQUJBQUFBQVFBQUFBQUFBQWlUQUFBJTNE_47116291-8b35-4d50-8e56-4b8599111acc">0.01</ix:nonFraction><ix:nonFraction unitRef="usdPerShare" contextRef="ic4d3c0da31dc4a6d9e6a956840d0f98c_I20171231" decimals="INF" name="us-gaap:CommonStockParOrStatedValuePerShare" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl84My9mcmFnOmY4ZGM1YWY3NTZiNDQwM2JhNDczNjFmMjNmZDQ2ODk2L3RhYmxlOmI5MzE1ODk2NjkyMzQ0Yjk4ZWZkMzAwZGFlNzY0Y2M0L3RhYmxlcmFuZ2U6YjkzMTU4OTY2OTIzNDRiOThlZmQzMDBkYWU3NjRjYzRfMDJmYUFBQUFEd0FBQUE4QUFBQURBQUFBQXdBQUFBQUFBQWloQUFBJTNE_eee4aed8-e4e6-4e37-9c20-aca9ec921b1b">0.01</ix:nonFraction><ix:nonFraction unitRef="shares" contextRef="i4a0749d860044c61bf1ca42bfa4d1200_I20180630" decimals="INF" format="ixt:numdotdecimal" name="us-gaap:CommonStockSharesAuthorized" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl84My9mcmFnOmY4ZGM1YWY3NTZiNDQwM2JhNDczNjFmMjNmZDQ2ODk2L3RhYmxlOmI5MzE1ODk2NjkyMzQ0Yjk4ZWZkMzAwZGFlNzY0Y2M0L3RhYmxlcmFuZ2U6YjkzMTU4OTY2OTIzNDRiOThlZmQzMDBkYWU3NjRjYzRfMDMxMDFBQUFBRUFBQUFCQUFBQUFCQUFBQUFRQUFBQUFBQUFpU0FBQSUzRA_0a418fb5-2557-479e-bc95-27167c36bd7a">30,000</ix:nonFraction><ix:nonFraction unitRef="shares" contextRef="ic4d3c0da31dc4a6d9e6a956840d0f98c_I20171231" decimals="INF" format="ixt:numdotdecimal" name="us-gaap:CommonStockSharesAuthorized" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl84My9mcmFnOmY4ZGM1YWY3NTZiNDQwM2JhNDczNjFmMjNmZDQ2ODk2L3RhYmxlOmI5MzE1ODk2NjkyMzQ0Yjk4ZWZkMzAwZGFlNzY0Y2M0L3RhYmxlcmFuZ2U6YjkzMTU4OTY2OTIzNDRiOThlZmQzMDBkYWU3NjRjYzRfMDMxMGZBQUFBRUFBQUFCQUFBQUFEQUFBQUF3QUFBQUFBQUFpaUFBQSUzRA_cf363ced-b48b-4386-998c-866dec3e3898">30,000</ix:nonFraction><ix:nonFraction unitRef="shares" contextRef="i4a0749d860044c61bf1ca42bfa4d1200_I20180630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:CommonStockSharesIssued" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl84My9mcmFnOmY4ZGM1YWY3NTZiNDQwM2JhNDczNjFmMjNmZDQ2ODk2L3RhYmxlOmI5MzE1ODk2NjkyMzQ0Yjk4ZWZkMzAwZGFlNzY0Y2M0L3RhYmxlcmFuZ2U6YjkzMTU4OTY2OTIzNDRiOThlZmQzMDBkYWU3NjRjYzRfMDMxMDJBQUFBRVFBQUFCRUFBQUFCQUFBQUFRQUFBQUFBQUFpVUFBQSUzRA_c2b606b9-5b1d-4faf-ad15-830f5353aafa">12,968</ix:nonFraction><ix:nonFraction unitRef="shares" contextRef="ic4d3c0da31dc4a6d9e6a956840d0f98c_I20171231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:CommonStockSharesIssued" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl84My9mcmFnOmY4ZGM1YWY3NTZiNDQwM2JhNDczNjFmMjNmZDQ2ODk2L3RhYmxlOmI5MzE1ODk2NjkyMzQ0Yjk4ZWZkMzAwZGFlNzY0Y2M0L3RhYmxlcmFuZ2U6YjkzMTU4OTY2OTIzNDRiOThlZmQzMDBkYWU3NjRjYzRfMDMxMGNBQUFBRVFBQUFCRUFBQUFEQUFBQUF3QUFBQUFBQUFpa0FBQSUzRA_0214a0d5-a0e0-4409-9c7d-0a63f60ae9d6">12,880</ix:nonFraction><ix:nonFraction unitRef="shares" contextRef="i4a0749d860044c61bf1ca42bfa4d1200_I20180630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:CommonStockSharesOutstanding" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl84My9mcmFnOmY4ZGM1YWY3NTZiNDQwM2JhNDczNjFmMjNmZDQ2ODk2L3RhYmxlOmI5MzE1ODk2NjkyMzQ0Yjk4ZWZkMzAwZGFlNzY0Y2M0L3RhYmxlcmFuZ2U6YjkzMTU4OTY2OTIzNDRiOThlZmQzMDBkYWU3NjRjYzRfMDMxMDdBQUFBRWdBQUFCSUFBQUFCQUFBQUFRQUFBQUFBQUFpVkFBQSUzRA_6d877416-6d82-44a1-b32a-5cddbab92603">12,968</ix:nonFraction><ix:nonFraction unitRef="shares" contextRef="ic4d3c0da31dc4a6d9e6a956840d0f98c_I20171231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:CommonStockSharesOutstanding" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl84My9mcmFnOmY4ZGM1YWY3NTZiNDQwM2JhNDczNjFmMjNmZDQ2ODk2L3RhYmxlOmI5MzE1ODk2NjkyMzQ0Yjk4ZWZkMzAwZGFlNzY0Y2M0L3RhYmxlcmFuZ2U6YjkzMTU4OTY2OTIzNDRiOThlZmQzMDBkYWU3NjRjYzRfMDMxMGJBQUFBRWdBQUFCSUFBQUFEQUFBQUF3QUFBQUFBQUFpakFBQSUzRA_631232d6-1e1f-43b6-83c3-f9119b6f89a1">12,880</ix:nonFraction><ix:nonNumeric contextRef="ia51991f5de484bc991f61322876b55b7_D20180315-20180315" name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90ZXh0cmVnaW9uOmYwZTE1OWEwNjBhMDRkMmFiNjRhMWU2OGUyZWI0MDY1XzQzOTgwNDY1MTM1NzM_95a248aa-ce92-4bd0-aa44-6f89e7607b6b">P3Y</ix:nonNumeric><ix:nonNumeric contextRef="i0690b16ebf594e5c8556cbd4f269d848_D20180315-20180315" name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90ZXh0cmVnaW9uOmYwZTE1OWEwNjBhMDRkMmFiNjRhMWU2OGUyZWI0MDY1XzQzOTgwNDY1MTM1OTE_2c8384b9-6fc6-4db0-b133-870c768af47b">P3Y</ix:nonNumeric><ix:nonNumeric contextRef="i5a8c23e656684e91af584dc983fd5bf4_D20180101-20180630" name="us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90ZXh0cmVnaW9uOmYwZTE1OWEwNjBhMDRkMmFiNjRhMWU2OGUyZWI0MDY1XzQzOTgwNDY1MTM2MDc_082da9f5-91cd-4885-b93e-02c00fab0307">P3Y</ix:nonNumeric><ix:nonFraction unitRef="usdPerShare" contextRef="i50eb0c29340e48d991163cc7a6662229_D20180101-20180630" decimals="2" name="us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xODAvZnJhZzo4YWU3ZjVmNjk1NjM0ZDVmYmNjMTdiODE0ZTVhZTFhOC90YWJsZTpjYzdkODM3NWUwNDg0MzdhYjZkNmY0MDk4YzkxYzRlNi90YWJsZXJhbmdlOmNjN2Q4Mzc1ZTA0ODQzN2FiNmQ2ZjQwOThjOTFjNGU2XzAxN0FBQUFBUUFBQUFFQUFBQUNBQUFBQWdBQUFBQUFBQW1wQUFBJTNE_81d0fae4-aaff-4ee0-bb89-fe31883d8559">0.01</ix:nonFraction><ix:nonFraction unitRef="usdPerShare" contextRef="i50eb0c29340e48d991163cc7a6662229_D20180101-20180630" decimals="2" name="us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xODAvZnJhZzo4YWU3ZjVmNjk1NjM0ZDVmYmNjMTdiODE0ZTVhZTFhOC90YWJsZTpjYzdkODM3NWUwNDg0MzdhYjZkNmY0MDk4YzkxYzRlNi90YWJsZXJhbmdlOmNjN2Q4Mzc1ZTA0ODQzN2FiNmQ2ZjQwOThjOTFjNGU2XzAxNkFBQUFBUUFBQUFFQUFBQURBQUFBQXdBQUFBQUFBQW1yQUFBJTNE_2c2234ef-6090-4af4-8bf6-b4a9edb83d19">15.70</ix:nonFraction><ix:nonFraction unitRef="usdPerShare" contextRef="idc1af9d8958c4d259f1ccd157ab2adf9_D20180101-20180630" decimals="2" name="us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xODAvZnJhZzo4YWU3ZjVmNjk1NjM0ZDVmYmNjMTdiODE0ZTVhZTFhOC90YWJsZTpjYzdkODM3NWUwNDg0MzdhYjZkNmY0MDk4YzkxYzRlNi90YWJsZXJhbmdlOmNjN2Q4Mzc1ZTA0ODQzN2FiNmQ2ZjQwOThjOTFjNGU2XzAxOEFBQUFBZ0FBQUFJQUFBQUNBQUFBQWdBQUFBQUFBQW1xQUFBJTNE_9690b1ef-e2d7-46c1-8f97-41eaa251a76f">15.71</ix:nonFraction><ix:nonFraction unitRef="usdPerShare" contextRef="idc1af9d8958c4d259f1ccd157ab2adf9_D20180101-20180630" decimals="2" name="us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xODAvZnJhZzo4YWU3ZjVmNjk1NjM0ZDVmYmNjMTdiODE0ZTVhZTFhOC90YWJsZTpjYzdkODM3NWUwNDg0MzdhYjZkNmY0MDk4YzkxYzRlNi90YWJsZXJhbmdlOmNjN2Q4Mzc1ZTA0ODQzN2FiNmQ2ZjQwOThjOTFjNGU2XzAxOUFBQUFBZ0FBQUFJQUFBQURBQUFBQXdBQUFBQUFBQW1zQUFBJTNE_17238b35-c00d-4c04-809b-c7ac86c418ae">17.81</ix:nonFraction><ix:nonFraction unitRef="usdPerShare" contextRef="i1e13495543ba4eb5a035647ba087c172_D20180101-20180630" decimals="2" name="us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xODAvZnJhZzo4YWU3ZjVmNjk1NjM0ZDVmYmNjMTdiODE0ZTVhZTFhOC90YWJsZTpjYzdkODM3NWUwNDg0MzdhYjZkNmY0MDk4YzkxYzRlNi90YWJsZXJhbmdlOmNjN2Q4Mzc1ZTA0ODQzN2FiNmQ2ZjQwOThjOTFjNGU2XzAxYkFBQUFBd0FBQUFNQUFBQUNBQUFBQWdBQUFBQUFBQW11QUFBJTNE_78ee53fb-a87e-4eed-b736-040e48ad4474">17.82</ix:nonFraction><ix:nonFraction unitRef="usdPerShare" contextRef="i1e13495543ba4eb5a035647ba087c172_D20180101-20180630" decimals="2" name="us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xODAvZnJhZzo4YWU3ZjVmNjk1NjM0ZDVmYmNjMTdiODE0ZTVhZTFhOC90YWJsZTpjYzdkODM3NWUwNDg0MzdhYjZkNmY0MDk4YzkxYzRlNi90YWJsZXJhbmdlOmNjN2Q4Mzc1ZTA0ODQzN2FiNmQ2ZjQwOThjOTFjNGU2XzAxYUFBQUFBd0FBQUFNQUFBQURBQUFBQXdBQUFBQUFBQW10QUFBJTNE_fabc3357-9085-4c52-8744-22be353f3abd">20.48</ix:nonFraction><ix:nonFraction unitRef="usdPerShare" contextRef="ib975e9ae79a94480869a0195b2e5eb50_D20180101-20180630" decimals="2" name="us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xODAvZnJhZzo4YWU3ZjVmNjk1NjM0ZDVmYmNjMTdiODE0ZTVhZTFhOC90YWJsZTpjYzdkODM3NWUwNDg0MzdhYjZkNmY0MDk4YzkxYzRlNi90YWJsZXJhbmdlOmNjN2Q4Mzc1ZTA0ODQzN2FiNmQ2ZjQwOThjOTFjNGU2XzAyMWVBQUFBQkFBQUFBUUFBQUFDQUFBQUFnQUFBQUFBQUFtd0FBQSUzRA_a9c17dff-d808-4032-a66b-95dbb6dba705">20.49</ix:nonFraction><ix:nonFraction unitRef="usdPerShare" contextRef="ib975e9ae79a94480869a0195b2e5eb50_D20180101-20180630" decimals="2" name="us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xODAvZnJhZzo4YWU3ZjVmNjk1NjM0ZDVmYmNjMTdiODE0ZTVhZTFhOC90YWJsZTpjYzdkODM3NWUwNDg0MzdhYjZkNmY0MDk4YzkxYzRlNi90YWJsZXJhbmdlOmNjN2Q4Mzc1ZTA0ODQzN2FiNmQ2ZjQwOThjOTFjNGU2XzAyMWZBQUFBQkFBQUFBUUFBQUFEQUFBQUF3QUFBQUFBQUFtdkFBQSUzRA_669747cc-c5a8-4195-991a-aadd6a669431">33.36</ix:nonFraction><ix:nonFraction unitRef="shares" contextRef="ie0e8dcdc1ed64da9bfb3986db6a83d41_D20180315-20180315" decimals="INF" format="ixt:numdotdecimal" name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xODAvZnJhZzo4YWU3ZjVmNjk1NjM0ZDVmYmNjMTdiODE0ZTVhZTFhOC90YWJsZTo0ZGE5NjdkYTFiYzg0ZTNmOWU5ODYyNzVlOGU5NTg2Ni90YWJsZXJhbmdlOjRkYTk2N2RhMWJjODRlM2Y5ZTk4NjI3NWU4ZTk1ODY2XzAxY0FBQUFBd0FBQUFNQUFBQUJBQUFBQVFBQUFBQUFBQW15QUFBJTNE_1d260575-eba4-49f7-8086-9ad87bc63064">20,000</ix:nonFraction><ix:nonNumeric contextRef="ie0e8dcdc1ed64da9bfb3986db6a83d41_D20180315-20180315" format="ixt-sec:durwordsen" name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xODAvZnJhZzo4YWU3ZjVmNjk1NjM0ZDVmYmNjMTdiODE0ZTVhZTFhOC90YWJsZTo0ZGE5NjdkYTFiYzg0ZTNmOWU5ODYyNzVlOGU5NTg2Ni90YWJsZXJhbmdlOjRkYTk2N2RhMWJjODRlM2Y5ZTk4NjI3NWU4ZTk1ODY2XzAyMTJBQUFBQlFBQUFBVUFBQUFCQUFBQUFRQUFBQUFBQUFtMUFBQSUzRA_bbb49b70-8829-4663-99ca-ed33d166d068">three years</ix:nonNumeric></ix:hidden><ix:references><link:schemaRef xlink:type="simple" xlink:href="ngs-20180630.xsd"></link:schemaRef></ix:references><ix:resources><xbrli:context id="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0001084991</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:startDate>2018-01-01</xbrli:startDate><xbrli:endDate>2018-06-30</xbrli:endDate></xbrli:period></xbrli:context><xbrli:unit id="shares"><xbrli:measure>xbrli:shares</xbrli:measure></xbrli:unit><xbrli:context id="ice58979ab95b45ab879c904540fa22ee_I20180803"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0001084991</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:instant>2018-08-03</xbrli:instant></xbrli:period></xbrli:context><xbrli:unit id="usd"><xbrli:measure>iso4217:USD</xbrli:measure></xbrli:unit><xbrli:context id="i4a0749d860044c61bf1ca42bfa4d1200_I20180630"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0001084991</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:instant>2018-06-30</xbrli:instant></xbrli:period></xbrli:context><xbrli:context id="ic4d3c0da31dc4a6d9e6a956840d0f98c_I20171231"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0001084991</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:instant>2017-12-31</xbrli:instant></xbrli:period></xbrli:context><xbrli:unit id="usdPerShare"><xbrli:divide><xbrli:unitNumerator><xbrli:measure>iso4217:USD</xbrli:measure></xbrli:unitNumerator><xbrli:unitDenominator><xbrli:measure>xbrli:shares</xbrli:measure></xbrli:unitDenominator></xbrli:divide></xbrli:unit><xbrli:context id="i9233ec8328ea4b0a99565d735d384d4e_D20180401-20180630"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0001084991</xbrli:identifier><xbrli:segment><xbrldi:explicitMember dimension="us-gaap:ProductOrServiceAxis">ngs:RentalMember</xbrldi:explicitMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:startDate>2018-04-01</xbrli:startDate><xbrli:endDate>2018-06-30</xbrli:endDate></xbrli:period></xbrli:context><xbrli:context id="ieaf988f1c6f048e1963fca6b1c19ea41_D20170401-20170630"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0001084991</xbrli:identifier><xbrli:segment><xbrldi:explicitMember dimension="us-gaap:ProductOrServiceAxis">ngs:RentalMember</xbrldi:explicitMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:startDate>2017-04-01</xbrli:startDate><xbrli:endDate>2017-06-30</xbrli:endDate></xbrli:period></xbrli:context><xbrli:context id="iec3930dca82d483abc7e8533620171ab_D20180101-20180630"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0001084991</xbrli:identifier><xbrli:segment><xbrldi:explicitMember dimension="us-gaap:ProductOrServiceAxis">ngs:RentalMember</xbrldi:explicitMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:startDate>2018-01-01</xbrli:startDate><xbrli:endDate>2018-06-30</xbrli:endDate></xbrli:period></xbrli:context><xbrli:context id="idf9e1e6d34464276a9572275cc9988b6_D20170101-20170630"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0001084991</xbrli:identifier><xbrli:segment><xbrldi:explicitMember dimension="us-gaap:ProductOrServiceAxis">ngs:RentalMember</xbrldi:explicitMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:startDate>2017-01-01</xbrli:startDate><xbrli:endDate>2017-06-30</xbrli:endDate></xbrli:period></xbrli:context><xbrli:context id="i64be9c23b5b340638d48fa11e2539c56_D20180401-20180630"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0001084991</xbrli:identifier><xbrli:segment><xbrldi:explicitMember dimension="us-gaap:ProductOrServiceAxis">ngs:ProductSalesMember</xbrldi:explicitMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:startDate>2018-04-01</xbrli:startDate><xbrli:endDate>2018-06-30</xbrli:endDate></xbrli:period></xbrli:context><xbrli:context id="i44d520893d5c4923b45f21891608d9d7_D20170401-20170630"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0001084991</xbrli:identifier><xbrli:segment><xbrldi:explicitMember dimension="us-gaap:ProductOrServiceAxis">ngs:ProductSalesMember</xbrldi:explicitMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:startDate>2017-04-01</xbrli:startDate><xbrli:endDate>2017-06-30</xbrli:endDate></xbrli:period></xbrli:context><xbrli:context id="ic66315dd49994cd1806b8effe1fa1a92_D20180101-20180630"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0001084991</xbrli:identifier><xbrli:segment><xbrldi:explicitMember dimension="us-gaap:ProductOrServiceAxis">ngs:ProductSalesMember</xbrldi:explicitMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:startDate>2018-01-01</xbrli:startDate><xbrli:endDate>2018-06-30</xbrli:endDate></xbrli:period></xbrli:context><xbrli:context id="if222bbc2738b4334a73bc9da895564d1_D20170101-20170630"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0001084991</xbrli:identifier><xbrli:segment><xbrldi:explicitMember dimension="us-gaap:ProductOrServiceAxis">ngs:ProductSalesMember</xbrldi:explicitMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:startDate>2017-01-01</xbrli:startDate><xbrli:endDate>2017-06-30</xbrli:endDate></xbrli:period></xbrli:context><xbrli:context id="i8dd14a6624eb4309a15ccb85a55a83a5_D20180401-20180630"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0001084991</xbrli:identifier><xbrli:segment><xbrldi:explicitMember dimension="us-gaap:ProductOrServiceAxis">ngs:ServiceandMaintenanceMember</xbrldi:explicitMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:startDate>2018-04-01</xbrli:startDate><xbrli:endDate>2018-06-30</xbrli:endDate></xbrli:period></xbrli:context><xbrli:context id="i1b1e2c6c5cb14ddf8221ae4d34792446_D20170401-20170630"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0001084991</xbrli:identifier><xbrli:segment><xbrldi:explicitMember dimension="us-gaap:ProductOrServiceAxis">ngs:ServiceandMaintenanceMember</xbrldi:explicitMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:startDate>2017-04-01</xbrli:startDate><xbrli:endDate>2017-06-30</xbrli:endDate></xbrli:period></xbrli:context><xbrli:context id="ic4326a21d1654a30a9790fded0c1907d_D20180101-20180630"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0001084991</xbrli:identifier><xbrli:segment><xbrldi:explicitMember dimension="us-gaap:ProductOrServiceAxis">ngs:ServiceandMaintenanceMember</xbrldi:explicitMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:startDate>2018-01-01</xbrli:startDate><xbrli:endDate>2018-06-30</xbrli:endDate></xbrli:period></xbrli:context><xbrli:context id="i5622e7a47c5647598f4a7f5c6491fcf5_D20170101-20170630"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0001084991</xbrli:identifier><xbrli:segment><xbrldi:explicitMember dimension="us-gaap:ProductOrServiceAxis">ngs:ServiceandMaintenanceMember</xbrldi:explicitMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:startDate>2017-01-01</xbrli:startDate><xbrli:endDate>2017-06-30</xbrli:endDate></xbrli:period></xbrli:context><xbrli:context id="i486ae96497a44bee87d62f2f3d814d35_D20180401-20180630"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0001084991</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:startDate>2018-04-01</xbrli:startDate><xbrli:endDate>2018-06-30</xbrli:endDate></xbrli:period></xbrli:context><xbrli:context id="i201ed1d2fdd042c0bd171af3de0e4482_D20170401-20170630"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0001084991</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:startDate>2017-04-01</xbrli:startDate><xbrli:endDate>2017-06-30</xbrli:endDate></xbrli:period></xbrli:context><xbrli:context id="iae1008ff6a854658ab77be281aab8a0c_D20170101-20170630"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0001084991</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:startDate>2017-01-01</xbrli:startDate><xbrli:endDate>2017-06-30</xbrli:endDate></xbrli:period></xbrli:context><xbrli:context id="i5d64dfa5d4674ee687c339f0606addeb_I20161231"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0001084991</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:instant>2016-12-31</xbrli:instant></xbrli:period></xbrli:context><xbrli:context id="ifaf7beb52b3548fcb1b665aeb3553709_I20170630"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0001084991</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:instant>2017-06-30</xbrli:instant></xbrli:period></xbrli:context><xbrli:context id="i0d22d73a73dc4ecf893e12eaa250ad79_D20180101-20180630"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0001084991</xbrli:identifier><xbrli:segment><xbrldi:explicitMember dimension="us-gaap:TypeOfArrangementAxis">ngs:BillandHoldArrangementMember</xbrldi:explicitMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:startDate>2018-01-01</xbrli:startDate><xbrli:endDate>2018-06-30</xbrli:endDate></xbrli:period></xbrli:context><xbrli:context id="i02d5c9791f114f8998859b349b181455_D20180401-20180630"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0001084991</xbrli:identifier><xbrli:segment><xbrldi:explicitMember dimension="us-gaap:ProductOrServiceAxis">ngs:CompressorRelatedMember</xbrldi:explicitMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:startDate>2018-04-01</xbrli:startDate><xbrli:endDate>2018-06-30</xbrli:endDate></xbrli:period></xbrli:context><xbrli:context id="iacddec0f3a8645639c4109b9370a1bd1_D20170401-20170630"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0001084991</xbrli:identifier><xbrli:segment><xbrldi:explicitMember dimension="us-gaap:ProductOrServiceAxis">ngs:CompressorRelatedMember</xbrldi:explicitMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:startDate>2017-04-01</xbrli:startDate><xbrli:endDate>2017-06-30</xbrli:endDate></xbrli:period></xbrli:context><xbrli:context id="i220856e3235d4388809f68229baaaccf_D20180101-20180630"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0001084991</xbrli:identifier><xbrli:segment><xbrldi:explicitMember dimension="us-gaap:ProductOrServiceAxis">ngs:CompressorRelatedMember</xbrldi:explicitMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:startDate>2018-01-01</xbrli:startDate><xbrli:endDate>2018-06-30</xbrli:endDate></xbrli:period></xbrli:context><xbrli:context id="idf5ae10b8b0f4ae2b8c747e54af0796c_D20170101-20170630"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0001084991</xbrli:identifier><xbrli:segment><xbrldi:explicitMember dimension="us-gaap:ProductOrServiceAxis">ngs:CompressorRelatedMember</xbrldi:explicitMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:startDate>2017-01-01</xbrli:startDate><xbrli:endDate>2017-06-30</xbrli:endDate></xbrli:period></xbrli:context><xbrli:context id="i29fef94ae5d64b178fee6cb2a1476b7f_D20180401-20180630"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0001084991</xbrli:identifier><xbrli:segment><xbrldi:explicitMember dimension="us-gaap:ProductOrServiceAxis">ngs:FlaresRelatedMember</xbrldi:explicitMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:startDate>2018-04-01</xbrli:startDate><xbrli:endDate>2018-06-30</xbrli:endDate></xbrli:period></xbrli:context><xbrli:context id="ic10ba1f40c1b4ea49cf0cf350618ad75_D20170401-20170630"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0001084991</xbrli:identifier><xbrli:segment><xbrldi:explicitMember dimension="us-gaap:ProductOrServiceAxis">ngs:FlaresRelatedMember</xbrldi:explicitMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:startDate>2017-04-01</xbrli:startDate><xbrli:endDate>2017-06-30</xbrli:endDate></xbrli:period></xbrli:context><xbrli:context id="i968c5acc83014e878074a5a269bd735e_D20180101-20180630"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0001084991</xbrli:identifier><xbrli:segment><xbrldi:explicitMember dimension="us-gaap:ProductOrServiceAxis">ngs:FlaresRelatedMember</xbrldi:explicitMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:startDate>2018-01-01</xbrli:startDate><xbrli:endDate>2018-06-30</xbrli:endDate></xbrli:period></xbrli:context><xbrli:context id="idf71215cb2874a24921a618be03907d1_D20170101-20170630"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0001084991</xbrli:identifier><xbrli:segment><xbrldi:explicitMember dimension="us-gaap:ProductOrServiceAxis">ngs:FlaresRelatedMember</xbrldi:explicitMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:startDate>2017-01-01</xbrli:startDate><xbrli:endDate>2017-06-30</xbrli:endDate></xbrli:period></xbrli:context><xbrli:context id="ief599674ea0446e69b9a0f2b255556cf_D20180401-20180630"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0001084991</xbrli:identifier><xbrli:segment><xbrldi:explicitMember dimension="us-gaap:ProductOrServiceAxis">ngs:OtherPartsRebuildsMember</xbrldi:explicitMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:startDate>2018-04-01</xbrli:startDate><xbrli:endDate>2018-06-30</xbrli:endDate></xbrli:period></xbrli:context><xbrli:context id="ib528d352f2364c1cafc0346c9fe028bb_D20170401-20170630"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0001084991</xbrli:identifier><xbrli:segment><xbrldi:explicitMember dimension="us-gaap:ProductOrServiceAxis">ngs:OtherPartsRebuildsMember</xbrldi:explicitMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:startDate>2017-04-01</xbrli:startDate><xbrli:endDate>2017-06-30</xbrli:endDate></xbrli:period></xbrli:context><xbrli:context id="id12b140a9df2449c8c60b49f0e7a174c_D20180101-20180630"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0001084991</xbrli:identifier><xbrli:segment><xbrldi:explicitMember dimension="us-gaap:ProductOrServiceAxis">ngs:OtherPartsRebuildsMember</xbrldi:explicitMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:startDate>2018-01-01</xbrli:startDate><xbrli:endDate>2018-06-30</xbrli:endDate></xbrli:period></xbrli:context><xbrli:context id="i30e4baac271244aca8c053a7047b8f68_D20170101-20170630"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0001084991</xbrli:identifier><xbrli:segment><xbrldi:explicitMember dimension="us-gaap:ProductOrServiceAxis">ngs:OtherPartsRebuildsMember</xbrldi:explicitMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:startDate>2017-01-01</xbrli:startDate><xbrli:endDate>2017-06-30</xbrli:endDate></xbrli:period></xbrli:context><xbrli:context id="icc50a41eef224f1eaf3b553cb4a66b2d_D20170101-20171231"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0001084991</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:startDate>2017-01-01</xbrli:startDate><xbrli:endDate>2017-12-31</xbrli:endDate></xbrli:period></xbrli:context><xbrli:context id="i2f0ae5f9e2fc48399f08a04105626c87_I20180630"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0001084991</xbrli:identifier><xbrli:segment><xbrldi:typedMember dimension="us-gaap:RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis"><us-gaap:RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis.domain>2019-07-01</us-gaap:RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis.domain></xbrldi:typedMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:instant>2018-06-30</xbrli:instant></xbrli:period></xbrli:context><xbrli:context id="ia164d1f3c2cd43ab92708fa53e1f7ab5_I20180630"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0001084991</xbrli:identifier><xbrli:segment><xbrldi:typedMember dimension="us-gaap:RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis"><us-gaap:RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis.domain>2020-01-01</us-gaap:RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis.domain></xbrldi:typedMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:instant>2018-06-30</xbrli:instant></xbrli:period></xbrli:context><xbrli:context id="i7eb5f87d32b14e489c2a19a41d6dbc3d_I20180630"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0001084991</xbrli:identifier><xbrli:segment><xbrldi:typedMember dimension="us-gaap:RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis"><us-gaap:RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis.domain>2021-01-01</us-gaap:RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis.domain></xbrldi:typedMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:instant>2018-06-30</xbrli:instant></xbrli:period></xbrli:context><xbrli:context id="i65a48b1ceaaf40f283ab3bf5f85a07a2_I20180630"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0001084991</xbrli:identifier><xbrli:segment><xbrldi:typedMember dimension="us-gaap:RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis"><us-gaap:RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis.domain>2022-01-01</us-gaap:RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis.domain></xbrldi:typedMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:instant>2018-06-30</xbrli:instant></xbrli:period></xbrli:context><xbrli:context id="ide7a60d651444069b56bede04e9b292c_I20180630"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0001084991</xbrli:identifier><xbrli:segment><xbrldi:typedMember dimension="us-gaap:RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis"><us-gaap:RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis.domain>2023-01-01</us-gaap:RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis.domain></xbrldi:typedMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:instant>2018-06-30</xbrli:instant></xbrli:period></xbrli:context><xbrli:context id="if7eba40cf62f49c68dd9e9e5802ab3a9_I20180630"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0001084991</xbrli:identifier><xbrli:segment><xbrldi:typedMember dimension="us-gaap:RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis"><us-gaap:RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis.domain xsi:nil="true"></us-gaap:RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis.domain></xbrldi:typedMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:instant>2018-06-30</xbrli:instant></xbrli:period></xbrli:context><xbrli:context id="ib5d6a39927d04594b3aec4244799dab3_I20180630"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0001084991</xbrli:identifier><xbrli:segment><xbrldi:explicitMember dimension="us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis">ngs:RangeOneMember</xbrldi:explicitMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:instant>2018-06-30</xbrli:instant></xbrli:period></xbrli:context><xbrli:context id="i50eb0c29340e48d991163cc7a6662229_D20180101-20180630"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0001084991</xbrli:identifier><xbrli:segment><xbrldi:explicitMember dimension="us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis">ngs:RangeOneMember</xbrldi:explicitMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:startDate>2018-01-01</xbrli:startDate><xbrli:endDate>2018-06-30</xbrli:endDate></xbrli:period></xbrli:context><xbrli:context id="ic8e7b7a946fe401a99256e776a0c0c3a_I20180630"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0001084991</xbrli:identifier><xbrli:segment><xbrldi:explicitMember dimension="us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis">ngs:RangeTwoMember</xbrldi:explicitMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:instant>2018-06-30</xbrli:instant></xbrli:period></xbrli:context><xbrli:context id="idc1af9d8958c4d259f1ccd157ab2adf9_D20180101-20180630"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0001084991</xbrli:identifier><xbrli:segment><xbrldi:explicitMember dimension="us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis">ngs:RangeTwoMember</xbrldi:explicitMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:startDate>2018-01-01</xbrli:startDate><xbrli:endDate>2018-06-30</xbrli:endDate></xbrli:period></xbrli:context><xbrli:context id="ia3c028d104e746e38406266e165b017c_I20180630"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0001084991</xbrli:identifier><xbrli:segment><xbrldi:explicitMember dimension="us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis">ngs:RangeThreeMember</xbrldi:explicitMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:instant>2018-06-30</xbrli:instant></xbrli:period></xbrli:context><xbrli:context id="i1e13495543ba4eb5a035647ba087c172_D20180101-20180630"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0001084991</xbrli:identifier><xbrli:segment><xbrldi:explicitMember dimension="us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis">ngs:RangeThreeMember</xbrldi:explicitMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:startDate>2018-01-01</xbrli:startDate><xbrli:endDate>2018-06-30</xbrli:endDate></xbrli:period></xbrli:context><xbrli:context id="i67b51d155e90478b88717cf814ac0480_I20180630"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0001084991</xbrli:identifier><xbrli:segment><xbrldi:explicitMember dimension="us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis">ngs:RangeFourMember</xbrldi:explicitMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:instant>2018-06-30</xbrli:instant></xbrli:period></xbrli:context><xbrli:context id="ib975e9ae79a94480869a0195b2e5eb50_D20180101-20180630"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0001084991</xbrli:identifier><xbrli:segment><xbrldi:explicitMember dimension="us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis">ngs:RangeFourMember</xbrldi:explicitMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:startDate>2018-01-01</xbrli:startDate><xbrli:endDate>2018-06-30</xbrli:endDate></xbrli:period></xbrli:context><xbrli:context id="i0e79220b10124ff58fbee0d35a075b41_I20180630"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0001084991</xbrli:identifier><xbrli:segment><xbrldi:explicitMember dimension="us-gaap:AwardTypeAxis">us-gaap:EmployeeStockOptionMember</xbrldi:explicitMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:instant>2018-06-30</xbrli:instant></xbrli:period></xbrli:context><xbrli:context id="i17400969f1714964bae0d6c054dc5f1c_D20180101-20180630"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0001084991</xbrli:identifier><xbrli:segment><xbrldi:explicitMember dimension="us-gaap:AwardTypeAxis">us-gaap:EmployeeStockOptionMember</xbrldi:explicitMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:startDate>2018-01-01</xbrli:startDate><xbrli:endDate>2018-06-30</xbrli:endDate></xbrli:period></xbrli:context><xbrli:context id="i9912625348f94916bbb57df90b17f9f0_D20180401-20180630"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0001084991</xbrli:identifier><xbrli:segment><xbrldi:explicitMember dimension="us-gaap:AwardTypeAxis">us-gaap:EmployeeStockOptionMember</xbrldi:explicitMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:startDate>2018-04-01</xbrli:startDate><xbrli:endDate>2018-06-30</xbrli:endDate></xbrli:period></xbrli:context><xbrli:context id="if00c604ae3ff4991a360097594f470b5_D20170401-20170630"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0001084991</xbrli:identifier><xbrli:segment><xbrldi:explicitMember dimension="us-gaap:AwardTypeAxis">us-gaap:EmployeeStockOptionMember</xbrldi:explicitMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:startDate>2017-04-01</xbrli:startDate><xbrli:endDate>2017-06-30</xbrli:endDate></xbrli:period></xbrli:context><xbrli:context id="ia51991f5de484bc991f61322876b55b7_D20180315-20180315"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0001084991</xbrli:identifier><xbrli:segment><xbrldi:explicitMember dimension="us-gaap:AwardTypeAxis">us-gaap:RestrictedStockMember</xbrldi:explicitMember><xbrldi:explicitMember dimension="us-gaap:TitleOfIndividualAxis">us-gaap:ChiefExecutiveOfficerMember</xbrldi:explicitMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:startDate>2018-03-15</xbrli:startDate><xbrli:endDate>2018-03-15</xbrli:endDate></xbrli:period></xbrli:context><xbrli:context id="i0690b16ebf594e5c8556cbd4f269d848_D20180315-20180315"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0001084991</xbrli:identifier><xbrli:segment><xbrldi:explicitMember dimension="us-gaap:AwardTypeAxis">us-gaap:RestrictedStockMember</xbrldi:explicitMember><xbrldi:explicitMember dimension="us-gaap:TitleOfIndividualAxis">us-gaap:ChiefFinancialOfficerMember</xbrldi:explicitMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:startDate>2018-03-15</xbrli:startDate><xbrli:endDate>2018-03-15</xbrli:endDate></xbrli:period></xbrli:context><xbrli:context id="ifaff7bd9d41045a4a6c4c3e3bdfa5f90_D20180101-20180630"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0001084991</xbrli:identifier><xbrli:segment><xbrldi:explicitMember dimension="us-gaap:AwardTypeAxis">us-gaap:RestrictedStockMember</xbrldi:explicitMember><xbrldi:explicitMember dimension="us-gaap:TitleOfIndividualAxis">us-gaap:DirectorMember</xbrldi:explicitMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:startDate>2018-01-01</xbrli:startDate><xbrli:endDate>2018-06-30</xbrli:endDate></xbrli:period></xbrli:context><xbrli:context id="i5a8c23e656684e91af584dc983fd5bf4_D20180101-20180630"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0001084991</xbrli:identifier><xbrli:segment><xbrldi:explicitMember dimension="us-gaap:AwardTypeAxis">us-gaap:RestrictedStockMember</xbrldi:explicitMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:startDate>2018-01-01</xbrli:startDate><xbrli:endDate>2018-06-30</xbrli:endDate></xbrli:period></xbrli:context><xbrli:context id="ic79cc187e1f445d284f73f5b4a8b9917_D20170101-20170630"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0001084991</xbrli:identifier><xbrli:segment><xbrldi:explicitMember dimension="us-gaap:AwardTypeAxis">us-gaap:RestrictedStockMember</xbrldi:explicitMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:startDate>2017-01-01</xbrli:startDate><xbrli:endDate>2017-06-30</xbrli:endDate></xbrli:period></xbrli:context><xbrli:context id="i5035c6c8d5d94c7c8e2d8f88eca3287b_I20180630"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0001084991</xbrli:identifier><xbrli:segment><xbrldi:explicitMember dimension="us-gaap:AwardTypeAxis">us-gaap:RestrictedStockMember</xbrldi:explicitMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:instant>2018-06-30</xbrli:instant></xbrli:period></xbrli:context><xbrli:context id="ie0e8dcdc1ed64da9bfb3986db6a83d41_D20180315-20180315"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0001084991</xbrli:identifier><xbrli:segment><xbrldi:explicitMember dimension="us-gaap:AwardTypeAxis">us-gaap:RestrictedStockMember</xbrldi:explicitMember><xbrldi:explicitMember dimension="us-gaap:TitleOfIndividualAxis">ngs:VicePresidentofTechnicalServicesMember</xbrldi:explicitMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:startDate>2018-03-15</xbrli:startDate><xbrli:endDate>2018-03-15</xbrli:endDate></xbrli:period></xbrli:context><xbrli:unit id="number"><xbrli:measure>xbrli:pure</xbrli:measure></xbrli:unit><xbrli:context id="ie7cfbc6b43db46e09f63047029882524_I20180630"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0001084991</xbrli:identifier><xbrli:segment><xbrldi:explicitMember dimension="us-gaap:CreditFacilityAxis">us-gaap:RevolvingCreditFacilityMember</xbrldi:explicitMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:instant>2018-06-30</xbrli:instant></xbrli:period></xbrli:context><xbrli:context id="i2cfb558360254ebbb58258f9ad5a3f6f_D20180101-20180630"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0001084991</xbrli:identifier><xbrli:segment><xbrldi:explicitMember dimension="us-gaap:CreditFacilityAxis">us-gaap:RevolvingCreditFacilityMember</xbrldi:explicitMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:startDate>2018-01-01</xbrli:startDate><xbrli:endDate>2018-06-30</xbrli:endDate></xbrli:period></xbrli:context><xbrli:unit id="loan"><xbrli:measure>ngs:loan</xbrli:measure></xbrli:unit><xbrli:context id="ib9173b11a2f2429f9000b630d3de30b1_I20180630"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0001084991</xbrli:identifier><xbrli:segment><xbrldi:explicitMember dimension="us-gaap:VariableRateAxis">us-gaap:LondonInterbankOfferedRateLIBORMember</xbrldi:explicitMember><xbrldi:explicitMember dimension="us-gaap:CreditFacilityAxis">us-gaap:RevolvingCreditFacilityMember</xbrldi:explicitMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:instant>2018-06-30</xbrli:instant></xbrli:period></xbrli:context><xbrli:context id="ia9fbf53aa453443983937be128f6949b_D20180101-20180630"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0001084991</xbrli:identifier><xbrli:segment><xbrldi:explicitMember dimension="us-gaap:VariableRateAxis">us-gaap:LondonInterbankOfferedRateLIBORMember</xbrldi:explicitMember><xbrldi:explicitMember dimension="us-gaap:CreditFacilityAxis">us-gaap:RevolvingCreditFacilityMember</xbrldi:explicitMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:startDate>2018-01-01</xbrli:startDate><xbrli:endDate>2018-06-30</xbrli:endDate></xbrli:period></xbrli:context><xbrli:context id="ie1094797fe3c43f182d8aa48fc411608_D20180101-20180630"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0001084991</xbrli:identifier><xbrli:segment><xbrldi:explicitMember dimension="us-gaap:CreditFacilityAxis">us-gaap:RevolvingCreditFacilityMember</xbrldi:explicitMember><xbrldi:explicitMember dimension="us-gaap:VariableRateAxis">ngs:CbFloatingRateMember</xbrldi:explicitMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:startDate>2018-01-01</xbrli:startDate><xbrli:endDate>2018-06-30</xbrli:endDate></xbrli:period></xbrli:context><xbrli:context id="id19f0177eb8942f29ee6c46e3ba9d8f6_D20180101-20180630"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0001084991</xbrli:identifier><xbrli:segment><xbrldi:explicitMember dimension="us-gaap:RangeAxis">us-gaap:MinimumMember</xbrldi:explicitMember><xbrldi:explicitMember dimension="us-gaap:CreditFacilityAxis">us-gaap:RevolvingCreditFacilityMember</xbrldi:explicitMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:startDate>2018-01-01</xbrli:startDate><xbrli:endDate>2018-06-30</xbrli:endDate></xbrli:period></xbrli:context><xbrli:context id="ibc68fe2b3be241dfa33b2f8067418d70_D20180101-20180630"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0001084991</xbrli:identifier><xbrli:segment><xbrldi:explicitMember dimension="us-gaap:RangeAxis">us-gaap:MaximumMember</xbrldi:explicitMember><xbrldi:explicitMember dimension="us-gaap:CreditFacilityAxis">us-gaap:RevolvingCreditFacilityMember</xbrldi:explicitMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:startDate>2018-01-01</xbrli:startDate><xbrli:endDate>2018-06-30</xbrli:endDate></xbrli:period></xbrli:context><xbrli:context id="i3bfdc33954c04e2298ca19dbca0d31bc_I20171231"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0001084991</xbrli:identifier><xbrli:segment><xbrldi:explicitMember dimension="us-gaap:CreditFacilityAxis">us-gaap:RevolvingCreditFacilityMember</xbrldi:explicitMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:instant>2017-12-31</xbrli:instant></xbrli:period></xbrli:context><xbrli:context id="i44cf146e9b604b5eaabc66941a245877_D20180401-20180630"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0001084991</xbrli:identifier><xbrli:segment><xbrldi:explicitMember dimension="us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis">ngs:AntidilutiveEffectMember</xbrldi:explicitMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:startDate>2018-04-01</xbrli:startDate><xbrli:endDate>2018-06-30</xbrli:endDate></xbrli:period></xbrli:context><xbrli:context id="ic96acdbd8973447fb8b96fd76c1f6c39_D20180101-20180630"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0001084991</xbrli:identifier><xbrli:segment><xbrldi:explicitMember dimension="us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis">ngs:AntidilutiveEffectMember</xbrldi:explicitMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:startDate>2018-01-01</xbrli:startDate><xbrli:endDate>2018-06-30</xbrli:endDate></xbrli:period></xbrli:context><xbrli:context id="i2137dbcd383a404e8d7dd86d9f294431_D20170101-20170630"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0001084991</xbrli:identifier><xbrli:segment><xbrldi:explicitMember dimension="us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis">ngs:AntidilutiveEffectMember</xbrldi:explicitMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:startDate>2017-01-01</xbrli:startDate><xbrli:endDate>2017-06-30</xbrli:endDate></xbrli:period></xbrli:context><xbrli:context id="ib7103fd1db234a2bbbc50936b157fd64_D20170401-20170630"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0001084991</xbrli:identifier><xbrli:segment><xbrldi:explicitMember dimension="us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis">ngs:AntidilutiveEffectMember</xbrldi:explicitMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:startDate>2017-04-01</xbrli:startDate><xbrli:endDate>2017-06-30</xbrli:endDate></xbrli:period></xbrli:context><xbrli:unit id="segment"><xbrli:measure>ngs:segment</xbrli:measure></xbrli:unit><xbrli:context id="i1e76e585074743348f526a9ae178ae91_D20180401-20180630"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0001084991</xbrli:identifier><xbrli:segment><xbrldi:explicitMember dimension="us-gaap:ProductOrServiceAxis">ngs:SalesServiceLineMember</xbrldi:explicitMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:startDate>2018-04-01</xbrli:startDate><xbrli:endDate>2018-06-30</xbrli:endDate></xbrli:period></xbrli:context><xbrli:context id="i3218d69f2dd948ef91d6f52103907513_D20180401-20180630"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0001084991</xbrli:identifier><xbrli:segment><xbrldi:explicitMember dimension="us-gaap:ConsolidationItemsAxis">us-gaap:CorporateNonSegmentMember</xbrldi:explicitMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:startDate>2018-04-01</xbrli:startDate><xbrli:endDate>2018-06-30</xbrli:endDate></xbrli:period></xbrli:context><xbrli:context id="ic41b647ca9b1443a81e7bc58ee05824a_D20170401-20170630"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0001084991</xbrli:identifier><xbrli:segment><xbrldi:explicitMember dimension="us-gaap:ProductOrServiceAxis">ngs:SalesServiceLineMember</xbrldi:explicitMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:startDate>2017-04-01</xbrli:startDate><xbrli:endDate>2017-06-30</xbrli:endDate></xbrli:period></xbrli:context><xbrli:context id="idb424c1002514921a168381082fb3d29_D20170401-20170630"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0001084991</xbrli:identifier><xbrli:segment><xbrldi:explicitMember dimension="us-gaap:ConsolidationItemsAxis">us-gaap:CorporateNonSegmentMember</xbrldi:explicitMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:startDate>2017-04-01</xbrli:startDate><xbrli:endDate>2017-06-30</xbrli:endDate></xbrli:period></xbrli:context><xbrli:context id="ib77640796b1a4e97a4506dac60977119_D20180101-20180630"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0001084991</xbrli:identifier><xbrli:segment><xbrldi:explicitMember dimension="us-gaap:ProductOrServiceAxis">ngs:SalesServiceLineMember</xbrldi:explicitMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:startDate>2018-01-01</xbrli:startDate><xbrli:endDate>2018-06-30</xbrli:endDate></xbrli:period></xbrli:context><xbrli:context id="i95afdea5a0544e90a6353ce180b7143e_D20180101-20180630"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0001084991</xbrli:identifier><xbrli:segment><xbrldi:explicitMember dimension="us-gaap:ConsolidationItemsAxis">us-gaap:CorporateNonSegmentMember</xbrldi:explicitMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:startDate>2018-01-01</xbrli:startDate><xbrli:endDate>2018-06-30</xbrli:endDate></xbrli:period></xbrli:context><xbrli:context id="i44a643d49418457e97713bb4b14fab1f_D20170101-20170630"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0001084991</xbrli:identifier><xbrli:segment><xbrldi:explicitMember dimension="us-gaap:ProductOrServiceAxis">ngs:SalesServiceLineMember</xbrldi:explicitMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:startDate>2017-01-01</xbrli:startDate><xbrli:endDate>2017-06-30</xbrli:endDate></xbrli:period></xbrli:context><xbrli:context id="i612e71ffb1ab4fc48a2ff71513fb2924_D20170101-20170630"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0001084991</xbrli:identifier><xbrli:segment><xbrldi:explicitMember dimension="us-gaap:ConsolidationItemsAxis">us-gaap:CorporateNonSegmentMember</xbrldi:explicitMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:startDate>2017-01-01</xbrli:startDate><xbrli:endDate>2017-06-30</xbrli:endDate></xbrli:period></xbrli:context></ix:resources></ix:header></div><div id="i_0_1"></div><div style="height:36pt;width:100%;"><div><span><br/></span></div></div><div style="line-height:120%;text-align:center;-sec-extract:summary;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:700;line-height:120%;vertical-align:bottom;">&#160;UNITED STATES SECURITIES AND EXCHANGE COMMISSION</span></div><div style="line-height:120%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:700;line-height:120%;vertical-align:bottom;">Washington, D.C. 20549</span></div><div style="line-height:120%;text-align:center;margin-top:6pt;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:700;line-height:120%;vertical-align:bottom;">FORM <ix:nonNumeric contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630" name="dei:DocumentType" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xL2ZyYWc6NDNkNDEyZWZjYTI3NGJlNmIyMjRmMDIxNzc3MzAzOWYvdGV4dHJlZ2lvbjo0M2Q0MTJlZmNhMjc0YmU2YjIyNGYwMjE3NzczMDM5Zl81NDk3NTU4MTYyMDM_11bda6f2-d537-4753-832d-fe78bc60d6dc" escape="true">10-Q</ix:nonNumeric></span></div><div style="line-height:120%;text-align:center;margin-top:6pt;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:700;line-height:120%;vertical-align:bottom;">(X)&#160;&#160;QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF</span></div><div style="line-height:120%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:700;line-height:120%;vertical-align:bottom;">THE SECURITIES EXCHANGE ACT OF 1934</span></div><div style="line-height:120%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:700;line-height:120%;vertical-align:bottom;">For the quarterly period ended </span><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:700;line-height:120%;text-decoration: underline;vertical-align:bottom;">June 30, 2018</span><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:700;line-height:120%;vertical-align:bottom;">&#160;</span></div><div style="line-height:120%;text-align:center;margin-top:6pt;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:700;line-height:120%;vertical-align:bottom;">OR</span></div><div style="line-height:120%;text-align:center;margin-top:6pt;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:700;line-height:120%;vertical-align:bottom;">( ) TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d)</span></div><div style="line-height:120%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:700;line-height:120%;vertical-align:bottom;">OF THE SECURITIES EXCHANGE ACT OF 1934</span></div><div style="line-height:120%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:700;line-height:120%;vertical-align:bottom;">For the transition period from&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;to</span></div><div style="line-height:120%;text-align:center;margin-top:6pt;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:700;line-height:120%;vertical-align:bottom;">Commission File Number 1-31398</span></div><div style="line-height:120%;text-align:center;"><img src="ngs-20180630_g1.jpg" alt="ngs-20180630_g1.jpg" style="height:62;width:150;"></img></div><div style="line-height:120%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:700;line-height:120%;vertical-align:bottom;">NATURAL GAS SERVICES GROUP, INC.</span></div><div style="line-height:120%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">(Exact name of registrant as specified in its charter)</span></div><div style="line-height:120%;text-align:center;"><span><br/></span></div><div style="text-align:center;"><table style="margin-left:auto;margin-right:auto;border-collapse:collapse;text-align:left;text-indent:0pt;display:inline-table;width:86.403509%;"><tr><td style="width:1.0%;"></td><td style="width:31.333333%;"></td><td style="width:1.0%;"></td><td style="width:1.0%;"></td><td style="width:31.333333%;"></td><td style="width:1.0%;"></td><td style="width:1.0%;"></td><td style="width:31.333333%;"></td><td style="width:1.0%;"></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:top;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:700;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Colorado&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:top;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:700;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">75-2811855&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:top;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">(State or other jurisdiction of&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:top;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">(I.R.S. Employer&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:top;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">incorporation or organization)&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:top;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Identification No.)&#160;</span></td></tr></table></div><div style="line-height:120%;text-align:center;"><span><br/></span></div><div style="line-height:120%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:700;line-height:120%;vertical-align:bottom;">508 W. Wall St., Ste 550</span></div><div style="line-height:120%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:700;line-height:120%;vertical-align:bottom;">Midland, Texas 79701</span></div><div style="line-height:120%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">(Address of principal executive offices)</span></div><div style="line-height:120%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:700;line-height:120%;vertical-align:bottom;">(432) 262-2700</span></div><div style="line-height:120%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">(Registrant&#8217;s telephone number, including area code)</span></div><div style="line-height:120%;text-align:justify;margin-top:6pt;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.</span></div><div style="line-height:120%;text-align:center;"><span><br/></span></div><div style="text-align:center;"><table style="margin-left:auto;margin-right:auto;border-collapse:collapse;text-align:left;text-indent:0pt;display:inline-table;width:71.052632%;"><tr><td style="width:1.0%;"></td><td style="width:31.333333%;"></td><td style="width:1.0%;"></td><td style="width:1.0%;"></td><td style="width:31.333333%;"></td><td style="width:1.0%;"></td><td style="width:1.0%;"></td><td style="width:31.333333%;"></td><td style="width:1.0%;"></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">Yes&#160;&#160;&#160;</span><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Wingdings;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">x</span></div></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">No&#160;&#160;&#160;</span><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Wingdings;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">o</span></div></td></tr></table></div><div style="line-height:120%;text-align:center;"><span><br/></span></div><div style="line-height:120%;text-align:justify;margin-top:6pt;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Web site, if any, every Interactive Data File to be submitted and posted pursuant to Rule 405 of Regulation S-T (&#167;232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files).</span></div><div style="line-height:120%;text-align:center;"><span><br/></span></div><div style="text-align:center;"><table style="margin-left:auto;margin-right:auto;border-collapse:collapse;text-align:left;text-indent:0pt;display:inline-table;width:71.052632%;"><tr><td style="width:1.0%;"></td><td style="width:31.333333%;"></td><td style="width:1.0%;"></td><td style="width:1.0%;"></td><td style="width:31.333333%;"></td><td style="width:1.0%;"></td><td style="width:1.0%;"></td><td style="width:31.333333%;"></td><td style="width:1.0%;"></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">Yes&#160;&#160;&#160;</span><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Wingdings;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">x</span></div></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">No&#160;&#160;&#160;</span><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Wingdings;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">o</span></div></td></tr></table></div><div style="line-height:120%;text-align:center;"><span><br/></span></div><div style="line-height:120%;margin-top:6pt;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, or a smaller reporting company.&#160;&#160;See the definitions of &#8220;large accelerated filer&#8221;, &#8220;accelerated filer&#8221;, and &#8220;smaller reporting company&#8221; and "emerging growth company" in Rule 12b-2 of the Exchange Act.</span></div><div style="margin-top:6pt;"><table style="margin-left:auto;margin-right:auto;border-collapse:collapse;text-align:left;text-indent:0pt;display:inline-table;width:99.561404%;"><tr><td style="width:1.0%;"></td><td style="width:14.740088%;"></td><td style="width:1.0%;"></td><td style="width:1.0%;"></td><td style="width:15.767988%;"></td><td style="width:1.0%;"></td><td style="width:1.0%;"></td><td style="width:22.375918%;"></td><td style="width:1.0%;"></td><td style="width:1.0%;"></td><td style="width:18.558003%;"></td><td style="width:1.0%;"></td><td style="width:1.0%;"></td><td style="width:18.558003%;"></td><td style="width:1.0%;"></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">Large accelerated filer&#160;</span><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Wingdings;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">o</span></div></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">Accelerated filer&#160;&#160;&#160;</span><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Wingdings;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">x</span></div></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">Non-accelerated filer </span><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Wingdings;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">o</span></div></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">Smaller reporting company&#160;</span><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Wingdings;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">o</span></div></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">Emerging growth company </span><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Wingdings;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">o</span></div></td></tr><tr><td colspan="15" style="padding-top:2px;padding-bottom:2px;height:15pt;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">&#160;(Do not check if smaller reporting company)&#160;</span></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td></tr></table></div><div style="line-height:120%;margin-top:6pt;"><span><br/></span></div><div style="padding-right:6pt;line-height:120%;text-align:justify;margin-top:6pt;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition  period for complying  with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.</span><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Wingdings;font-size:10pt;line-height:120%;vertical-align:bottom;">o</span></div><div style="line-height:120%;margin-top:6pt;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).</span></div><div style="line-height:120%;text-align:center;"><span><br/></span></div><div style="text-align:center;"><table style="margin-left:auto;margin-right:auto;border-collapse:collapse;text-align:left;text-indent:0pt;display:inline-table;width:70.906433%;"><tr><td style="width:1.0%;"></td><td style="width:31.195876%;"></td><td style="width:1.0%;"></td><td style="width:1.0%;"></td><td style="width:31.402062%;"></td><td style="width:1.0%;"></td><td style="width:1.0%;"></td><td style="width:31.402062%;"></td><td style="width:1.0%;"></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">Yes </span><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Wingdings;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">o</span></div></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">No </span><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Wingdings;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">x</span></div></td></tr></table></div><div style="line-height:120%;text-align:center;"><span><br/></span></div><div style="position:relative;width:100%;height:36pt;width:100%;"><div style="position:absolute;bottom:0;width:100%;"><div style="text-align:center;"><span><br/></span></div></div></div><hr style="page-break-after:always"></hr><div style="height:36pt;width:100%;"><div><span><br/></span></div></div><div style="line-height:120%;text-align:center;margin-top:3pt;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:9pt;font-weight:700;line-height:120%;vertical-align:bottom;">APPLICABLE ONLY TO CORPORATE ISSUERS</span></div><div style="line-height:120%;margin-top:3pt;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">Indicate the number of shares outstanding of each of the issuer's classes of common stock, as of the latest practicable date.</span></div><div style="line-height:120%;"><span><br/></span></div><div><table style="margin-left:auto;margin-right:auto;border-collapse:collapse;text-align:left;text-indent:0pt;display:inline-table;width:99.707602%;"><tr><td style="width:1.0%;"></td><td style="width:46.093842%;"></td><td style="width:1.0%;"></td><td style="width:1.0%;"></td><td style="width:1.812317%;"></td><td style="width:1.0%;"></td><td style="width:1.0%;"></td><td style="width:46.093842%;"></td><td style="width:1.0%;"></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:top;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:700;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Class&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">August 3, 2018</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Common Stock, $0.01 par value&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="shares" contextRef="ice58979ab95b45ab879c904540fa22ee_I20180803" decimals="INF" format="ixt:numdotdecimal" name="dei:EntityCommonStockSharesOutstanding" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xL2ZyYWc6NDNkNDEyZWZjYTI3NGJlNmIyMjRmMDIxNzc3MzAzOWYvdGFibGU6OTZjYjY4YWM3NzI2NDI1Y2I5NTkwMWZmOGNhODFhZmYvdGFibGVyYW5nZTo5NmNiNjhhYzc3MjY0MjVjYjk1OTAxZmY4Y2E4MWFmZl8xLTItMS0xLTI0MDI_f2dd74ce-2b10-413c-bea2-618ada0d32f5">13,086,506</ix:nonFraction>&#160;</span></td></tr></table></div><div style="line-height:120%;"><span><br/></span></div><div id="i_0_29"></div><div style="line-height:120%;"><span><br/></span></div><div style="position:relative;width:100%;height:36pt;width:100%;"><div style="position:absolute;bottom:0;width:100%;"><div style="text-align:center;"><span><br/></span></div></div></div><hr style="page-break-after:always"></hr><div style="height:45pt;width:100%;"><div><span><br/></span></div></div><div><table style="margin-left:auto;margin-right:auto;border-collapse:collapse;text-align:left;text-indent:0pt;display:inline-table;width:99.990000%;"><tr><td style="width:1.0%;"></td><td style="width:86.011696%;"></td><td style="width:1.0%;"></td><td style="width:1.0%;"></td><td style="width:5.163743%;"></td><td style="width:1.0%;"></td><td style="width:1.0%;"></td><td style="width:2.824561%;"></td><td style="width:1.0%;"></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:700;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Part I - FINANCIAL INFORMATION&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td></tr><tr><td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:700;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Item 1.&#160;Consolidated&#160;Financial Statements</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td></tr><tr><td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><div style="line-height:100%;"><span style="background-color:rgb(255,255,255, 0.0);color:#0000FF;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;text-decoration: underline;vertical-align:bottom;"><a style="background-color:rgb(255,255,255, 0.0);color:#0000FF;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;text-decoration: underline;vertical-align:bottom;" href="#i_0_70">Unaudited&#160;Condensed Consolidated Balance Sheets</a></span><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">&#160;</span></div></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Page&#160;</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#0000FF;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;text-decoration: underline;vertical-align:bottom;"><a style="background-color:rgb(255,255,255, 0.0);color:#0000FF;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;text-decoration: underline;vertical-align:bottom;" href="#i_0_70">1</a></span></div></td></tr><tr><td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><div style="line-height:100%;"><span style="background-color:rgb(255,255,255, 0.0);color:#0000FF;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;text-decoration: underline;vertical-align:bottom;"><a style="background-color:rgb(255,255,255, 0.0);color:#0000FF;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;text-decoration: underline;vertical-align:bottom;" href="#i_0_98">Unaudited&#160;Condensed Consolidated Income Statements</a></span></div></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Page&#160;</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#0000FF;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;text-decoration: underline;vertical-align:bottom;"><a style="background-color:rgb(255,255,255, 0.0);color:#0000FF;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;text-decoration: underline;vertical-align:bottom;" href="#i_0_98">2</a></span></div></td></tr><tr><td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><div style="line-height:100%;"><span style="background-color:rgb(255,255,255, 0.0);color:#0000FF;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;text-decoration: underline;vertical-align:bottom;"><a style="background-color:rgb(255,255,255, 0.0);color:#0000FF;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;text-decoration: underline;vertical-align:bottom;" href="#i_0_111">Unaudited&#160;Condensed Consolidated Statements of Cash Flows</a></span></div></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Page&#160;</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#0000FF;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;text-decoration: underline;vertical-align:bottom;"><a style="background-color:rgb(255,255,255, 0.0);color:#0000FF;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;text-decoration: underline;vertical-align:bottom;" href="#i_0_111">3</a></span></div></td></tr><tr><td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><div style="line-height:100%;"><span style="background-color:rgb(255,255,255, 0.0);color:#0000FF;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;text-decoration: underline;vertical-align:bottom;"><a style="background-color:rgb(255,255,255, 0.0);color:#0000FF;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;text-decoration: underline;vertical-align:bottom;" href="#i_0_125">Notes to Unaudited&#160;Condensed Consolidated Financial Statements</a></span></div></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Page&#160;</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#0000FF;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;text-decoration: underline;vertical-align:bottom;"><a style="background-color:rgb(255,255,255, 0.0);color:#0000FF;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;text-decoration: underline;vertical-align:bottom;" href="#i_0_125">4</a></span></div></td></tr><tr><td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><div style="line-height:100%;"><span style="background-color:rgb(255,255,255, 0.0);color:#0000FF;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;text-decoration: underline;vertical-align:bottom;"><a style="background-color:rgb(255,255,255, 0.0);color:#0000FF;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;text-decoration: underline;vertical-align:bottom;" href="#i_0_384">Item 2.&#160; Management's Discussion and Analysis of Financial Condition and Results of Operations</a></span></div></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Page&#160;</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#0000FF;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;text-decoration: underline;vertical-align:bottom;"><a style="background-color:rgb(255,255,255, 0.0);color:#0000FF;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;text-decoration: underline;vertical-align:bottom;" href="#i_0_384">13</a></span></div></td></tr><tr><td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><div style="line-height:100%;"><span style="background-color:rgb(255,255,255, 0.0);color:#0000FF;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;text-decoration: underline;vertical-align:bottom;"><a style="background-color:rgb(255,255,255, 0.0);color:#0000FF;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;text-decoration: underline;vertical-align:bottom;" href="#i_0_452">Item 3.&#160;&#160;Quantitative and Qualitative Disclosures about Market Risk</a></span></div></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Page&#160;</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#0000FF;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;text-decoration: underline;vertical-align:bottom;"><a style="background-color:rgb(255,255,255, 0.0);color:#0000FF;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;text-decoration: underline;vertical-align:bottom;" href="#i_0_452">19</a></span></div></td></tr><tr><td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><div style="line-height:100%;"><span style="background-color:rgb(255,255,255, 0.0);color:#0000FF;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;text-decoration: underline;vertical-align:bottom;"><a style="background-color:rgb(255,255,255, 0.0);color:#0000FF;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;text-decoration: underline;vertical-align:bottom;" href="#i_0_465">Item 4.&#160;&#160;Controls and Procedures</a></span></div></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Page&#160;</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#0000FF;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;text-decoration: underline;vertical-align:bottom;"><a style="background-color:rgb(255,255,255, 0.0);color:#0000FF;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;text-decoration: underline;vertical-align:bottom;" href="#i_0_465">19</a></span></div></td></tr><tr><td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:700;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Part II&#160;- OTHER INFORMATION&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td></tr><tr><td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><div style="line-height:100%;"><span style="background-color:rgb(255,255,255, 0.0);color:#0000FF;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;text-decoration: underline;vertical-align:bottom;"><a style="background-color:rgb(255,255,255, 0.0);color:#0000FF;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;text-decoration: underline;vertical-align:bottom;" href="#i_0_491">Item 1.&#160;&#160;Legal Proceedings</a></span></div></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Page&#160;</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#0000FF;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;text-decoration: underline;vertical-align:bottom;"><a style="background-color:rgb(255,255,255, 0.0);color:#0000FF;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;text-decoration: underline;vertical-align:bottom;" href="#i_0_491">20</a></span></div></td></tr><tr><td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><div style="line-height:100%;"><span style="background-color:rgb(255,255,255, 0.0);color:#0000FF;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;text-decoration: underline;vertical-align:bottom;"><a style="background-color:rgb(255,255,255, 0.0);color:#0000FF;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;text-decoration: underline;vertical-align:bottom;" href="#i_0_504">Item 1A.&#160;&#160;Risk Factors</a></span></div></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Page&#160;</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#0000FF;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;text-decoration: underline;vertical-align:bottom;"><a style="background-color:rgb(255,255,255, 0.0);color:#0000FF;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;text-decoration: underline;vertical-align:bottom;" href="#i_0_504">20</a></span></div></td></tr><tr><td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><div style="line-height:100%;"><span style="background-color:rgb(255,255,255, 0.0);color:#0000FF;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;text-decoration: underline;vertical-align:bottom;"><a style="background-color:rgb(255,255,255, 0.0);color:#0000FF;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;text-decoration: underline;vertical-align:bottom;" href="#i_0_517">Item 6.&#160;&#160;Exhibits</a></span></div></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Page&#160;</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#0000FF;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;text-decoration: underline;vertical-align:bottom;"><a style="background-color:rgb(255,255,255, 0.0);color:#0000FF;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;text-decoration: underline;vertical-align:bottom;" href="#i_0_517">21</a></span></div></td></tr><tr><td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><div style="line-height:100%;"><span style="background-color:rgb(255,255,255, 0.0);color:#0000FF;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;text-decoration: underline;vertical-align:bottom;"><a style="background-color:rgb(255,255,255, 0.0);color:#0000FF;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;text-decoration: underline;vertical-align:bottom;" href="#i_0_546">Signatures</a></span></div></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Page&#160;</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#0000FF;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;text-decoration: underline;vertical-align:bottom;"><a style="background-color:rgb(255,255,255, 0.0);color:#0000FF;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;text-decoration: underline;vertical-align:bottom;" href="#i_0_546">23</a></span></div></td></tr></table></div><div style="line-height:120%;"><span><br/></span></div><div style="line-height:120%;"><span><br/></span></div><div id="i_0_42"></div><div style="line-height:120%;-sec-extract:summary;"></div><div style="position:relative;width:100%;height:45pt;width:100%;"><div style="position:absolute;bottom:0;width:100%;"><div><span><br/></span></div></div></div><hr style="page-break-after:always"></hr><div style="height:45pt;width:100%;"><div><span><br/></span></div></div><div style="line-height:120%;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:700;line-height:120%;vertical-align:bottom;">PART I &#8211; FINANCIAL INFORMATION</span></div><div style="line-height:120%;"><span><br/></span></div><div id="i_0_57"></div><div style="line-height:120%;-sec-extract:summary;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:700;line-height:120%;vertical-align:bottom;">Item 1.&#160;&#160;Financial Statements</span></div><div id="i_0_70"></div><div style="line-height:120%;text-align:center;"><span><br/></span></div><div style="text-align:center;"><table style="margin-left:auto;margin-right:auto;border-collapse:collapse;text-align:left;text-indent:0pt;display:inline-table;width:99.990000%;"><tr><td style="width:1.0%;"></td><td style="width:71.538012%;"></td><td style="width:1.0%;"></td><td style="width:1.0%;"></td><td style="width:10.865497%;"></td><td style="width:1.0%;"></td><td style="width:0.1%;"></td><td style="width:0.530994%;"></td><td style="width:0.1%;"></td><td style="width:1.0%;"></td><td style="width:10.865497%;"></td><td style="width:1.0%;"></td></tr><tr><td colspan="12" style="padding-top:2px;padding-bottom:2px;height:45pt;background-color:#ffffff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">&#160;</span><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:700;line-height:100%;vertical-align:bottom;">NATURAL GAS SERVICES GROUP, INC.</span></div><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:700;line-height:100%;vertical-align:bottom;">CONDENSED CONSOLIDATED BALANCE SHEETS</span></div><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-style:italic;font-weight:400;line-height:100%;vertical-align:bottom;">(in thousands, except per share amounts)</span></div><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-style:italic;font-weight:400;line-height:100%;vertical-align:bottom;">(unaudited)</span></div></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td></tr><tr><td colspan="3" style="height:6pt;background-color:#ffffff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="height:6pt;background-color:#ffffff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="height:6pt;background-color:#ffffff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="height:6pt;background-color:#ffffff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td></tr><tr><td colspan="3" style="background-color:#ffffff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">June 30, <br/>2018</span></td><td colspan="3" style="background-color:#ffffff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#ffffff;text-align:center;vertical-align:top;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">December 31, 2017</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#ffffff;text-align:center;vertical-align:top;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:700;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">ASSETS&#160;</span></td><td colspan="3" style="background-color:#ffffff;text-align:left;vertical-align:bottom;border-top:2pt solid #000;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="background-color:#ffffff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="background-color:#ffffff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;padding-right:1pt;"></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#ffffff;text-align:left;vertical-align:top;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:700;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Current Assets:&#160;</span></td><td colspan="3" style="background-color:#ffffff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="background-color:#ffffff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="background-color:#ffffff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#CCEEFF;text-align:left;vertical-align:top;padding-left:6pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Cash and cash equivalents&#160;</span></td><td style="padding-top:2px;padding-bottom:2px;background-color:#CCEEFF;text-align:left;vertical-align:bottom;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#CCEEFF;text-align:right;vertical-align:bottom;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="i4a0749d860044c61bf1ca42bfa4d1200_I20180630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:CashAndCashEquivalentsAtCarryingValue" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl83MC9mcmFnOjE3YzcyN2MzZmQyYTRmZjg4ZDZmNzkyN2Q5Nzg5YWMzL3RhYmxlOjYzYTNkOTIwOTg3MzQ5YWQ4MWVlMDQyNzUxMjI2ZmE2L3RhYmxlcmFuZ2U6NjNhM2Q5MjA5ODczNDlhZDgxZWUwNDI3NTEyMjZmYTZfNi0xLTEtMS0xNDE_b31fdde0-4e30-436d-881f-c31a3fcfd41b">62,490</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#CCEEFF;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td style="padding-top:2px;padding-bottom:2px;background-color:#CCEEFF;text-align:left;vertical-align:bottom;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#CCEEFF;text-align:right;vertical-align:bottom;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="ic4d3c0da31dc4a6d9e6a956840d0f98c_I20171231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:CashAndCashEquivalentsAtCarryingValue" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl83MC9mcmFnOjE3YzcyN2MzZmQyYTRmZjg4ZDZmNzkyN2Q5Nzg5YWMzL3RhYmxlOjYzYTNkOTIwOTg3MzQ5YWQ4MWVlMDQyNzUxMjI2ZmE2L3RhYmxlcmFuZ2U6NjNhM2Q5MjA5ODczNDlhZDgxZWUwNDI3NTEyMjZmYTZfNi0zLTEtMS0xNDE_22b21a35-bab2-4f14-a119-54c2322c1884">69,208</ix:nonFraction>&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#ffffff;text-align:left;vertical-align:top;padding-left:6pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Trade accounts receivable, net of allowance for doubtful accounts of $443 and $569,  respectively</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#ffffff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="i4a0749d860044c61bf1ca42bfa4d1200_I20180630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:AccountsReceivableNetCurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl83MC9mcmFnOjE3YzcyN2MzZmQyYTRmZjg4ZDZmNzkyN2Q5Nzg5YWMzL3RhYmxlOjYzYTNkOTIwOTg3MzQ5YWQ4MWVlMDQyNzUxMjI2ZmE2L3RhYmxlcmFuZ2U6NjNhM2Q5MjA5ODczNDlhZDgxZWUwNDI3NTEyMjZmYTZfNy0xLTEtMS0xNDE_5ed927cf-84ff-4217-8230-847c1135878f">9,375</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#ffffff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#ffffff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="ic4d3c0da31dc4a6d9e6a956840d0f98c_I20171231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:AccountsReceivableNetCurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl83MC9mcmFnOjE3YzcyN2MzZmQyYTRmZjg4ZDZmNzkyN2Q5Nzg5YWMzL3RhYmxlOjYzYTNkOTIwOTg3MzQ5YWQ4MWVlMDQyNzUxMjI2ZmE2L3RhYmxlcmFuZ2U6NjNhM2Q5MjA5ODczNDlhZDgxZWUwNDI3NTEyMjZmYTZfNy0zLTEtMS0xNDE_2fc59437-eb23-410b-b394-1e12123f0f7e">8,534</ix:nonFraction>&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#CCEEFF;text-align:left;vertical-align:top;padding-left:6pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Inventory</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#CCEEFF;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="i4a0749d860044c61bf1ca42bfa4d1200_I20180630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:InventoryNet" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl83MC9mcmFnOjE3YzcyN2MzZmQyYTRmZjg4ZDZmNzkyN2Q5Nzg5YWMzL3RhYmxlOjYzYTNkOTIwOTg3MzQ5YWQ4MWVlMDQyNzUxMjI2ZmE2L3RhYmxlcmFuZ2U6NjNhM2Q5MjA5ODczNDlhZDgxZWUwNDI3NTEyMjZmYTZfOC0xLTEtMS0xNDE_7851485b-f18f-444c-a8de-c2c1d4b0264f">23,042</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#CCEEFF;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#CCEEFF;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="ic4d3c0da31dc4a6d9e6a956840d0f98c_I20171231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:InventoryNet" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl83MC9mcmFnOjE3YzcyN2MzZmQyYTRmZjg4ZDZmNzkyN2Q5Nzg5YWMzL3RhYmxlOjYzYTNkOTIwOTg3MzQ5YWQ4MWVlMDQyNzUxMjI2ZmE2L3RhYmxlcmFuZ2U6NjNhM2Q5MjA5ODczNDlhZDgxZWUwNDI3NTEyMjZmYTZfOC0zLTEtMS0xNDE_adad3e3c-0e8a-45b6-b95d-468e0a6264ef">26,224</ix:nonFraction>&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#ffffff;text-align:left;vertical-align:top;padding-left:6pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Prepaid income taxes&#160;</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#ffffff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="i4a0749d860044c61bf1ca42bfa4d1200_I20180630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:PrepaidTaxes" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl83MC9mcmFnOjE3YzcyN2MzZmQyYTRmZjg4ZDZmNzkyN2Q5Nzg5YWMzL3RhYmxlOjYzYTNkOTIwOTg3MzQ5YWQ4MWVlMDQyNzUxMjI2ZmE2L3RhYmxlcmFuZ2U6NjNhM2Q5MjA5ODczNDlhZDgxZWUwNDI3NTEyMjZmYTZfOS0xLTEtMS0xNDE_85008313-3dab-410a-956a-58b014e14f68">3,177</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#ffffff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#ffffff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="ic4d3c0da31dc4a6d9e6a956840d0f98c_I20171231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:PrepaidTaxes" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl83MC9mcmFnOjE3YzcyN2MzZmQyYTRmZjg4ZDZmNzkyN2Q5Nzg5YWMzL3RhYmxlOjYzYTNkOTIwOTg3MzQ5YWQ4MWVlMDQyNzUxMjI2ZmE2L3RhYmxlcmFuZ2U6NjNhM2Q5MjA5ODczNDlhZDgxZWUwNDI3NTEyMjZmYTZfOS0zLTEtMS0xNDE_8b4f941c-82b2-4a9a-a330-e876650d3586">3,443</ix:nonFraction>&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#CCEEFF;text-align:left;vertical-align:top;padding-left:6pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Prepaid expenses and other&#160;</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#CCEEFF;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="i4a0749d860044c61bf1ca42bfa4d1200_I20180630" decimals="-3" name="us-gaap:PrepaidExpenseAndOtherAssetsCurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl83MC9mcmFnOjE3YzcyN2MzZmQyYTRmZjg4ZDZmNzkyN2Q5Nzg5YWMzL3RhYmxlOjYzYTNkOTIwOTg3MzQ5YWQ4MWVlMDQyNzUxMjI2ZmE2L3RhYmxlcmFuZ2U6NjNhM2Q5MjA5ODczNDlhZDgxZWUwNDI3NTEyMjZmYTZfMTAtMS0xLTEtMTQx_976c99a8-6b1c-48a3-b592-77c438d575d0">762</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#CCEEFF;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#CCEEFF;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="ic4d3c0da31dc4a6d9e6a956840d0f98c_I20171231" decimals="-3" name="us-gaap:PrepaidExpenseAndOtherAssetsCurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl83MC9mcmFnOjE3YzcyN2MzZmQyYTRmZjg4ZDZmNzkyN2Q5Nzg5YWMzL3RhYmxlOjYzYTNkOTIwOTg3MzQ5YWQ4MWVlMDQyNzUxMjI2ZmE2L3RhYmxlcmFuZ2U6NjNhM2Q5MjA5ODczNDlhZDgxZWUwNDI3NTEyMjZmYTZfMTAtMy0xLTEtMTQx_772fda2b-bd9e-4e1d-9b6a-dbf85cb0a404">817</ix:nonFraction>&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#ffffff;text-align:left;vertical-align:top;padding-left:12pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Total current assets&#160;</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#ffffff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="i4a0749d860044c61bf1ca42bfa4d1200_I20180630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:AssetsCurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl83MC9mcmFnOjE3YzcyN2MzZmQyYTRmZjg4ZDZmNzkyN2Q5Nzg5YWMzL3RhYmxlOjYzYTNkOTIwOTg3MzQ5YWQ4MWVlMDQyNzUxMjI2ZmE2L3RhYmxlcmFuZ2U6NjNhM2Q5MjA5ODczNDlhZDgxZWUwNDI3NTEyMjZmYTZfMTEtMS0xLTEtMTQx_365aee83-a94b-46e3-a036-196532fbcac9">98,846</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#ffffff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#ffffff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="ic4d3c0da31dc4a6d9e6a956840d0f98c_I20171231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:AssetsCurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl83MC9mcmFnOjE3YzcyN2MzZmQyYTRmZjg4ZDZmNzkyN2Q5Nzg5YWMzL3RhYmxlOjYzYTNkOTIwOTg3MzQ5YWQ4MWVlMDQyNzUxMjI2ZmE2L3RhYmxlcmFuZ2U6NjNhM2Q5MjA5ODczNDlhZDgxZWUwNDI3NTEyMjZmYTZfMTEtMy0xLTEtMTQx_c382f383-52a9-4ab4-9d78-a7cd6bd453d5">108,226</ix:nonFraction>&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:top;padding-left:1pt;padding-right:1pt;"><div style="line-height:100%;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:700;line-height:100%;vertical-align:bottom;">Long-term inventory</span><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">, net of allowance for obsolescence of $21 and $15, respectively</span></div></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#CCEEFF;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="i4a0749d860044c61bf1ca42bfa4d1200_I20180630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:InventoryNoncurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl83MC9mcmFnOjE3YzcyN2MzZmQyYTRmZjg4ZDZmNzkyN2Q5Nzg5YWMzL3RhYmxlOjYzYTNkOTIwOTg3MzQ5YWQ4MWVlMDQyNzUxMjI2ZmE2L3RhYmxlcmFuZ2U6NjNhM2Q5MjA5ODczNDlhZDgxZWUwNDI3NTEyMjZmYTZfMTItMS0xLTEtMTQx_8f00901b-cc2c-4f6e-a49f-cc8e7925c6d2">3,467</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#CCEEFF;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#CCEEFF;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="ic4d3c0da31dc4a6d9e6a956840d0f98c_I20171231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:InventoryNoncurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl83MC9mcmFnOjE3YzcyN2MzZmQyYTRmZjg4ZDZmNzkyN2Q5Nzg5YWMzL3RhYmxlOjYzYTNkOTIwOTg3MzQ5YWQ4MWVlMDQyNzUxMjI2ZmE2L3RhYmxlcmFuZ2U6NjNhM2Q5MjA5ODczNDlhZDgxZWUwNDI3NTEyMjZmYTZfMTItMy0xLTEtMTQx_a88e2367-fa1c-4d27-80a4-7292a8be9034">2,829</ix:nonFraction>&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#ffffff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><div style="line-height:100%;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:700;line-height:100%;vertical-align:bottom;">Rental equipment,</span><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;"> net of accumulated depreciation of $155,989 and $145,851, respectively</span></div></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#ffffff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="i4a0749d860044c61bf1ca42bfa4d1200_I20180630" decimals="-3" format="ixt:numdotdecimal" name="ngs:RentalEquipmentNet" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl83MC9mcmFnOjE3YzcyN2MzZmQyYTRmZjg4ZDZmNzkyN2Q5Nzg5YWMzL3RhYmxlOjYzYTNkOTIwOTg3MzQ5YWQ4MWVlMDQyNzUxMjI2ZmE2L3RhYmxlcmFuZ2U6NjNhM2Q5MjA5ODczNDlhZDgxZWUwNDI3NTEyMjZmYTZfMTMtMS0xLTEtMTQx_ec31021f-8f71-4186-b54e-356080fa9dbe">169,702</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#ffffff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#ffffff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="ic4d3c0da31dc4a6d9e6a956840d0f98c_I20171231" decimals="-3" format="ixt:numdotdecimal" name="ngs:RentalEquipmentNet" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl83MC9mcmFnOjE3YzcyN2MzZmQyYTRmZjg4ZDZmNzkyN2Q5Nzg5YWMzL3RhYmxlOjYzYTNkOTIwOTg3MzQ5YWQ4MWVlMDQyNzUxMjI2ZmE2L3RhYmxlcmFuZ2U6NjNhM2Q5MjA5ODczNDlhZDgxZWUwNDI3NTEyMjZmYTZfMTMtMy0xLTEtMTQx_5adefc52-2229-4b6a-8652-7c3b98eeab9a">167,099</ix:nonFraction>&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#CCEEFF;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><div style="line-height:100%;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:700;line-height:100%;vertical-align:bottom;">Property and equipment</span><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">, net of accumulated depreciation of $11,176 and $11,274, respectively</span></div></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#CCEEFF;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="i4a0749d860044c61bf1ca42bfa4d1200_I20180630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:PropertyPlantAndEquipmentOtherNet" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl83MC9mcmFnOjE3YzcyN2MzZmQyYTRmZjg4ZDZmNzkyN2Q5Nzg5YWMzL3RhYmxlOjYzYTNkOTIwOTg3MzQ5YWQ4MWVlMDQyNzUxMjI2ZmE2L3RhYmxlcmFuZ2U6NjNhM2Q5MjA5ODczNDlhZDgxZWUwNDI3NTEyMjZmYTZfMTQtMS0xLTEtMTQx_57b98d15-c1bb-48c9-a087-33724187ff4d">11,076</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#CCEEFF;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#CCEEFF;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="ic4d3c0da31dc4a6d9e6a956840d0f98c_I20171231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:PropertyPlantAndEquipmentOtherNet" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl83MC9mcmFnOjE3YzcyN2MzZmQyYTRmZjg4ZDZmNzkyN2Q5Nzg5YWMzL3RhYmxlOjYzYTNkOTIwOTg3MzQ5YWQ4MWVlMDQyNzUxMjI2ZmE2L3RhYmxlcmFuZ2U6NjNhM2Q5MjA5ODczNDlhZDgxZWUwNDI3NTEyMjZmYTZfMTQtMy0xLTEtMTQx_32fa5f78-2c23-43af-825c-9b2e01b92b55">7,652</ix:nonFraction>&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#ffffff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:700;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Goodwill</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#ffffff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="i4a0749d860044c61bf1ca42bfa4d1200_I20180630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:Goodwill" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl83MC9mcmFnOjE3YzcyN2MzZmQyYTRmZjg4ZDZmNzkyN2Q5Nzg5YWMzL3RhYmxlOjYzYTNkOTIwOTg3MzQ5YWQ4MWVlMDQyNzUxMjI2ZmE2L3RhYmxlcmFuZ2U6NjNhM2Q5MjA5ODczNDlhZDgxZWUwNDI3NTEyMjZmYTZfMTUtMS0xLTEtMTQx_e2b9bad6-a980-46e8-b29c-64005cc2539f">10,039</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#ffffff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#ffffff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="ic4d3c0da31dc4a6d9e6a956840d0f98c_I20171231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:Goodwill" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl83MC9mcmFnOjE3YzcyN2MzZmQyYTRmZjg4ZDZmNzkyN2Q5Nzg5YWMzL3RhYmxlOjYzYTNkOTIwOTg3MzQ5YWQ4MWVlMDQyNzUxMjI2ZmE2L3RhYmxlcmFuZ2U6NjNhM2Q5MjA5ODczNDlhZDgxZWUwNDI3NTEyMjZmYTZfMTUtMy0xLTEtMTQx_439bb503-b8aa-4eeb-a2c0-68fef590bfba">10,039</ix:nonFraction>&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#CCEEFF;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><div style="line-height:100%;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:700;line-height:100%;vertical-align:bottom;">Intangibles</span><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">, net of accumulated amortization of $1,695 and $1,632, respectively</span></div></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#CCEEFF;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="i4a0749d860044c61bf1ca42bfa4d1200_I20180630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:IntangibleAssetsNetExcludingGoodwill" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl83MC9mcmFnOjE3YzcyN2MzZmQyYTRmZjg4ZDZmNzkyN2Q5Nzg5YWMzL3RhYmxlOjYzYTNkOTIwOTg3MzQ5YWQ4MWVlMDQyNzUxMjI2ZmE2L3RhYmxlcmFuZ2U6NjNhM2Q5MjA5ODczNDlhZDgxZWUwNDI3NTEyMjZmYTZfMTYtMS0xLTEtMTQx_7606c842-3ed6-4456-a19a-85e2793108c8">1,464</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#CCEEFF;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#CCEEFF;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="ic4d3c0da31dc4a6d9e6a956840d0f98c_I20171231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:IntangibleAssetsNetExcludingGoodwill" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl83MC9mcmFnOjE3YzcyN2MzZmQyYTRmZjg4ZDZmNzkyN2Q5Nzg5YWMzL3RhYmxlOjYzYTNkOTIwOTg3MzQ5YWQ4MWVlMDQyNzUxMjI2ZmE2L3RhYmxlcmFuZ2U6NjNhM2Q5MjA5ODczNDlhZDgxZWUwNDI3NTEyMjZmYTZfMTYtMy0xLTEtMTQx_c77ae6cc-e994-49a5-bfba-ec61f0be08db">1,526</ix:nonFraction>&#160;</span></td></tr><tr><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:top;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:700;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Other assets&#160;</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="i4a0749d860044c61bf1ca42bfa4d1200_I20180630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:OtherAssetsNoncurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl83MC9mcmFnOjE3YzcyN2MzZmQyYTRmZjg4ZDZmNzkyN2Q5Nzg5YWMzL3RhYmxlOjYzYTNkOTIwOTg3MzQ5YWQ4MWVlMDQyNzUxMjI2ZmE2L3RhYmxlcmFuZ2U6NjNhM2Q5MjA5ODczNDlhZDgxZWUwNDI3NTEyMjZmYTZfMTgtMS0xLTEtMTQx_6ebb17c1-b24d-4494-88f4-c0682a6d94b8">1,118</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="ic4d3c0da31dc4a6d9e6a956840d0f98c_I20171231" decimals="-3" name="us-gaap:OtherAssetsNoncurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl83MC9mcmFnOjE3YzcyN2MzZmQyYTRmZjg4ZDZmNzkyN2Q5Nzg5YWMzL3RhYmxlOjYzYTNkOTIwOTg3MzQ5YWQ4MWVlMDQyNzUxMjI2ZmE2L3RhYmxlcmFuZ2U6NjNhM2Q5MjA5ODczNDlhZDgxZWUwNDI3NTEyMjZmYTZfMTgtMy0xLTEtMTQx_67b04c9d-81d9-438b-a47e-29c9ad8d06da">939</ix:nonFraction>&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:top;padding-left:12pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Total assets&#160;</span></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="i4a0749d860044c61bf1ca42bfa4d1200_I20180630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:Assets" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl83MC9mcmFnOjE3YzcyN2MzZmQyYTRmZjg4ZDZmNzkyN2Q5Nzg5YWMzL3RhYmxlOjYzYTNkOTIwOTg3MzQ5YWQ4MWVlMDQyNzUxMjI2ZmE2L3RhYmxlcmFuZ2U6NjNhM2Q5MjA5ODczNDlhZDgxZWUwNDI3NTEyMjZmYTZfMTktMS0xLTEtMTQx_6efe3efb-9cf4-45fb-a1b2-a1cf31f9c4c4">295,712</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="ic4d3c0da31dc4a6d9e6a956840d0f98c_I20171231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:Assets" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl83MC9mcmFnOjE3YzcyN2MzZmQyYTRmZjg4ZDZmNzkyN2Q5Nzg5YWMzL3RhYmxlOjYzYTNkOTIwOTg3MzQ5YWQ4MWVlMDQyNzUxMjI2ZmE2L3RhYmxlcmFuZ2U6NjNhM2Q5MjA5ODczNDlhZDgxZWUwNDI3NTEyMjZmYTZfMTktMy0xLTEtMTQx_a051cea9-c92a-4f21-833f-10f7405e157a">298,310</ix:nonFraction>&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:top;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:700;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">LIABILITIES AND STOCKHOLDERS' EQUITY&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:3pt double #000000;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:3pt double #000000;padding-left:1pt;padding-right:1pt;"></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:top;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:700;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Current Liabilities:&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td></tr><tr><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:top;padding-left:6pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Accounts payable&#160;</span></td><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="i4a0749d860044c61bf1ca42bfa4d1200_I20180630" decimals="-3" name="us-gaap:AccountsPayableCurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl83MC9mcmFnOjE3YzcyN2MzZmQyYTRmZjg4ZDZmNzkyN2Q5Nzg5YWMzL3RhYmxlOjYzYTNkOTIwOTg3MzQ5YWQ4MWVlMDQyNzUxMjI2ZmE2L3RhYmxlcmFuZ2U6NjNhM2Q5MjA5ODczNDlhZDgxZWUwNDI3NTEyMjZmYTZfMjMtMS0xLTEtNzYw_8f9f1e03-a62c-4914-9b8b-7713897e40ef">801</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="ic4d3c0da31dc4a6d9e6a956840d0f98c_I20171231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:AccountsPayableCurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl83MC9mcmFnOjE3YzcyN2MzZmQyYTRmZjg4ZDZmNzkyN2Q5Nzg5YWMzL3RhYmxlOjYzYTNkOTIwOTg3MzQ5YWQ4MWVlMDQyNzUxMjI2ZmE2L3RhYmxlcmFuZ2U6NjNhM2Q5MjA5ODczNDlhZDgxZWUwNDI3NTEyMjZmYTZfMjMtMy0xLTEtNzYz_279549fc-1cc5-43c8-8d02-607230d93d9a">4,162</ix:nonFraction>&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:top;padding-left:6pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Accrued liabilities&#160;</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="i4a0749d860044c61bf1ca42bfa4d1200_I20180630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:AccruedLiabilitiesCurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl83MC9mcmFnOjE3YzcyN2MzZmQyYTRmZjg4ZDZmNzkyN2Q5Nzg5YWMzL3RhYmxlOjYzYTNkOTIwOTg3MzQ5YWQ4MWVlMDQyNzUxMjI2ZmE2L3RhYmxlcmFuZ2U6NjNhM2Q5MjA5ODczNDlhZDgxZWUwNDI3NTEyMjZmYTZfMjQtMS0xLTEtNzYw_d7ba1baf-388c-4164-9415-8f7b9c07fa9f">2,140</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="ic4d3c0da31dc4a6d9e6a956840d0f98c_I20171231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:AccruedLiabilitiesCurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl83MC9mcmFnOjE3YzcyN2MzZmQyYTRmZjg4ZDZmNzkyN2Q5Nzg5YWMzL3RhYmxlOjYzYTNkOTIwOTg3MzQ5YWQ4MWVlMDQyNzUxMjI2ZmE2L3RhYmxlcmFuZ2U6NjNhM2Q5MjA5ODczNDlhZDgxZWUwNDI3NTEyMjZmYTZfMjQtMy0xLTEtNzYz_b1834ed2-a52b-4e4f-a8d3-2d18251f0d54">3,106</ix:nonFraction>&#160;</span></td></tr><tr><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:top;padding-left:6pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Deferred income&#160;</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="i4a0749d860044c61bf1ca42bfa4d1200_I20180630" decimals="-3" name="us-gaap:ContractWithCustomerLiabilityCurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl83MC9mcmFnOjE3YzcyN2MzZmQyYTRmZjg4ZDZmNzkyN2Q5Nzg5YWMzL3RhYmxlOjYzYTNkOTIwOTg3MzQ5YWQ4MWVlMDQyNzUxMjI2ZmE2L3RhYmxlcmFuZ2U6NjNhM2Q5MjA5ODczNDlhZDgxZWUwNDI3NTEyMjZmYTZfMjYtMS0xLTEtNzcy_027f9b23-7a79-4cab-beca-1ba9585853ce">487</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="ic4d3c0da31dc4a6d9e6a956840d0f98c_I20171231" decimals="-3" name="us-gaap:ContractWithCustomerLiabilityCurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl83MC9mcmFnOjE3YzcyN2MzZmQyYTRmZjg4ZDZmNzkyN2Q5Nzg5YWMzL3RhYmxlOjYzYTNkOTIwOTg3MzQ5YWQ4MWVlMDQyNzUxMjI2ZmE2L3RhYmxlcmFuZ2U6NjNhM2Q5MjA5ODczNDlhZDgxZWUwNDI3NTEyMjZmYTZfMjYtMy0xLTEtNzc1_02679a05-05c6-49ef-95fe-4a99b4573a58">185</ix:nonFraction>&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:top;padding-left:12pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Total current liabilities&#160;</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="i4a0749d860044c61bf1ca42bfa4d1200_I20180630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:LiabilitiesCurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl83MC9mcmFnOjE3YzcyN2MzZmQyYTRmZjg4ZDZmNzkyN2Q5Nzg5YWMzL3RhYmxlOjYzYTNkOTIwOTg3MzQ5YWQ4MWVlMDQyNzUxMjI2ZmE2L3RhYmxlcmFuZ2U6NjNhM2Q5MjA5ODczNDlhZDgxZWUwNDI3NTEyMjZmYTZfMjctMS0xLTEtNzcy_6f80783f-b2de-405d-a32b-42caafbcbf80">3,428</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="ic4d3c0da31dc4a6d9e6a956840d0f98c_I20171231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:LiabilitiesCurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl83MC9mcmFnOjE3YzcyN2MzZmQyYTRmZjg4ZDZmNzkyN2Q5Nzg5YWMzL3RhYmxlOjYzYTNkOTIwOTg3MzQ5YWQ4MWVlMDQyNzUxMjI2ZmE2L3RhYmxlcmFuZ2U6NjNhM2Q5MjA5ODczNDlhZDgxZWUwNDI3NTEyMjZmYTZfMjctMy0xLTEtNzc1_02ab031e-8c13-4c23-b6a6-c09f62135e4e">7,453</ix:nonFraction>&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:top;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:700;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Line of credit, non-current portion&#160;</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="i4a0749d860044c61bf1ca42bfa4d1200_I20180630" decimals="-3" name="us-gaap:LongTermLineOfCredit" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl83MC9mcmFnOjE3YzcyN2MzZmQyYTRmZjg4ZDZmNzkyN2Q5Nzg5YWMzL3RhYmxlOjYzYTNkOTIwOTg3MzQ5YWQ4MWVlMDQyNzUxMjI2ZmE2L3RhYmxlcmFuZ2U6NjNhM2Q5MjA5ODczNDlhZDgxZWUwNDI3NTEyMjZmYTZfMjgtMS0xLTEtNzcy_05e39462-296e-45bf-85fc-66bd4aea53f1">417</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="ic4d3c0da31dc4a6d9e6a956840d0f98c_I20171231" decimals="-3" name="us-gaap:LongTermLineOfCredit" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl83MC9mcmFnOjE3YzcyN2MzZmQyYTRmZjg4ZDZmNzkyN2Q5Nzg5YWMzL3RhYmxlOjYzYTNkOTIwOTg3MzQ5YWQ4MWVlMDQyNzUxMjI2ZmE2L3RhYmxlcmFuZ2U6NjNhM2Q5MjA5ODczNDlhZDgxZWUwNDI3NTEyMjZmYTZfMjgtMy0xLTEtNzc1_37260985-64e0-458e-8e4f-f66cf4889faf">417</ix:nonFraction>&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:top;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:700;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Deferred income tax liability</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="i4a0749d860044c61bf1ca42bfa4d1200_I20180630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:DeferredIncomeTaxLiabilitiesNet" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl83MC9mcmFnOjE3YzcyN2MzZmQyYTRmZjg4ZDZmNzkyN2Q5Nzg5YWMzL3RhYmxlOjYzYTNkOTIwOTg3MzQ5YWQ4MWVlMDQyNzUxMjI2ZmE2L3RhYmxlcmFuZ2U6NjNhM2Q5MjA5ODczNDlhZDgxZWUwNDI3NTEyMjZmYTZfMjktMS0xLTEtNzcy_9210e281-7af6-4d52-aeb2-80447b574a5a">32,333</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="ic4d3c0da31dc4a6d9e6a956840d0f98c_I20171231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:DeferredIncomeTaxLiabilitiesNet" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl83MC9mcmFnOjE3YzcyN2MzZmQyYTRmZjg4ZDZmNzkyN2Q5Nzg5YWMzL3RhYmxlOjYzYTNkOTIwOTg3MzQ5YWQ4MWVlMDQyNzUxMjI2ZmE2L3RhYmxlcmFuZ2U6NjNhM2Q5MjA5ODczNDlhZDgxZWUwNDI3NTEyMjZmYTZfMjktMy0xLTEtNzc1_3fef4d26-2d74-4fb0-a738-917744e14b3e">32,163</ix:nonFraction>&#160;</span></td></tr><tr><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:top;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:700;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Other long-term liabilities&#160;</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="i4a0749d860044c61bf1ca42bfa4d1200_I20180630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:OtherLiabilitiesNoncurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl83MC9mcmFnOjE3YzcyN2MzZmQyYTRmZjg4ZDZmNzkyN2Q5Nzg5YWMzL3RhYmxlOjYzYTNkOTIwOTg3MzQ5YWQ4MWVlMDQyNzUxMjI2ZmE2L3RhYmxlcmFuZ2U6NjNhM2Q5MjA5ODczNDlhZDgxZWUwNDI3NTEyMjZmYTZfMzEtMS0xLTEtNzg0_dcd02c4e-72bd-4b73-abb6-8f881ceb51fc">1,139</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="ic4d3c0da31dc4a6d9e6a956840d0f98c_I20171231" decimals="-3" name="us-gaap:OtherLiabilitiesNoncurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl83MC9mcmFnOjE3YzcyN2MzZmQyYTRmZjg4ZDZmNzkyN2Q5Nzg5YWMzL3RhYmxlOjYzYTNkOTIwOTg3MzQ5YWQ4MWVlMDQyNzUxMjI2ZmE2L3RhYmxlcmFuZ2U6NjNhM2Q5MjA5ODczNDlhZDgxZWUwNDI3NTEyMjZmYTZfMzEtMy0xLTEtNzg3_0cacee49-fd6a-4c72-a08d-c69b07e5060b">958</ix:nonFraction>&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:top;padding-left:12pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Total liabilities&#160;</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="i4a0749d860044c61bf1ca42bfa4d1200_I20180630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:Liabilities" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl83MC9mcmFnOjE3YzcyN2MzZmQyYTRmZjg4ZDZmNzkyN2Q5Nzg5YWMzL3RhYmxlOjYzYTNkOTIwOTg3MzQ5YWQ4MWVlMDQyNzUxMjI2ZmE2L3RhYmxlcmFuZ2U6NjNhM2Q5MjA5ODczNDlhZDgxZWUwNDI3NTEyMjZmYTZfMzItMS0xLTEtNzg0_add9addc-dd7c-4997-9ce6-586c42a0019d">37,317</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="ic4d3c0da31dc4a6d9e6a956840d0f98c_I20171231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:Liabilities" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl83MC9mcmFnOjE3YzcyN2MzZmQyYTRmZjg4ZDZmNzkyN2Q5Nzg5YWMzL3RhYmxlOjYzYTNkOTIwOTg3MzQ5YWQ4MWVlMDQyNzUxMjI2ZmE2L3RhYmxlcmFuZ2U6NjNhM2Q5MjA5ODczNDlhZDgxZWUwNDI3NTEyMjZmYTZfMzItMy0xLTEtNzg3_e7048561-99a3-4470-9a2a-db6f6f1a276f">40,991</ix:nonFraction>&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:top;padding-left:1pt;padding-right:1pt;"><div style="line-height:100%;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:700;line-height:100%;vertical-align:bottom;">Commitments and contingencies (Note 8)</span></div></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"></span><ix:nonFraction unitRef="usd" contextRef="i4a0749d860044c61bf1ca42bfa4d1200_I20180630" xsi:nil="true" name="us-gaap:CommitmentsAndContingencies" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl83MC9mcmFnOjE3YzcyN2MzZmQyYTRmZjg4ZDZmNzkyN2Q5Nzg5YWMzL3RhYmxlOjYzYTNkOTIwOTg3MzQ5YWQ4MWVlMDQyNzUxMjI2ZmE2L3RhYmxlcmFuZ2U6NjNhM2Q5MjA5ODczNDlhZDgxZWUwNDI3NTEyMjZmYTZfMDNlYTlBQUFBSUFBQUFDQUFBQUFCQUFBQUFRQUFBQUFBQUF5QUFBQSUzRA_f0bc8315-2ad3-4184-8937-81e7620493e8"></ix:nonFraction></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"><ix:nonFraction unitRef="usd" contextRef="ic4d3c0da31dc4a6d9e6a956840d0f98c_I20171231" xsi:nil="true" name="us-gaap:CommitmentsAndContingencies" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl83MC9mcmFnOjE3YzcyN2MzZmQyYTRmZjg4ZDZmNzkyN2Q5Nzg5YWMzL3RhYmxlOjYzYTNkOTIwOTg3MzQ5YWQ4MWVlMDQyNzUxMjI2ZmE2L3RhYmxlcmFuZ2U6NjNhM2Q5MjA5ODczNDlhZDgxZWUwNDI3NTEyMjZmYTZfMDNlYTVBQUFBSUFBQUFDQUFBQUFEQUFBQUF3QUFBQUFBQUF5Q0FBQSUzRA_fea15243-2327-4851-82d3-dbbfead0100f"></ix:nonFraction></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:top;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:700;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Stockholders&#8217; Equity:&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Preferred stock, 5,000 shares authorized, no shares issued or outstanding&#160;</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="i4a0749d860044c61bf1ca42bfa4d1200_I20180630" decimals="-3" format="ixt:zerodash" name="us-gaap:PreferredStockValue" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl83MC9mcmFnOjE3YzcyN2MzZmQyYTRmZjg4ZDZmNzkyN2Q5Nzg5YWMzL3RhYmxlOjYzYTNkOTIwOTg3MzQ5YWQ4MWVlMDQyNzUxMjI2ZmE2L3RhYmxlcmFuZ2U6NjNhM2Q5MjA5ODczNDlhZDgxZWUwNDI3NTEyMjZmYTZfMzUtMS0xLTEtNzkw_0895a861-5e96-4524-a396-e3ca08688e36">&#8212;</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="ic4d3c0da31dc4a6d9e6a956840d0f98c_I20171231" decimals="-3" format="ixt:zerodash" name="us-gaap:PreferredStockValue" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl83MC9mcmFnOjE3YzcyN2MzZmQyYTRmZjg4ZDZmNzkyN2Q5Nzg5YWMzL3RhYmxlOjYzYTNkOTIwOTg3MzQ5YWQ4MWVlMDQyNzUxMjI2ZmE2L3RhYmxlcmFuZ2U6NjNhM2Q5MjA5ODczNDlhZDgxZWUwNDI3NTEyMjZmYTZfMzUtMy0xLTEtNzkz_c3d5d91f-5284-4b2b-bd5a-ba54f671f4b9">&#8212;</ix:nonFraction>&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Common stock, 30,000 shares authorized, par value $0.01;  12,968 and 12,880 shares issued and outstanding, respectively</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="i4a0749d860044c61bf1ca42bfa4d1200_I20180630" decimals="-3" name="us-gaap:CommonStockValue" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl83MC9mcmFnOjE3YzcyN2MzZmQyYTRmZjg4ZDZmNzkyN2Q5Nzg5YWMzL3RhYmxlOjYzYTNkOTIwOTg3MzQ5YWQ4MWVlMDQyNzUxMjI2ZmE2L3RhYmxlcmFuZ2U6NjNhM2Q5MjA5ODczNDlhZDgxZWUwNDI3NTEyMjZmYTZfMzYtMS0xLTEtNzkw_de1e8ec1-aa72-40ae-9c0e-571b5a42832c">130</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="ic4d3c0da31dc4a6d9e6a956840d0f98c_I20171231" decimals="-3" name="us-gaap:CommonStockValue" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl83MC9mcmFnOjE3YzcyN2MzZmQyYTRmZjg4ZDZmNzkyN2Q5Nzg5YWMzL3RhYmxlOjYzYTNkOTIwOTg3MzQ5YWQ4MWVlMDQyNzUxMjI2ZmE2L3RhYmxlcmFuZ2U6NjNhM2Q5MjA5ODczNDlhZDgxZWUwNDI3NTEyMjZmYTZfMzYtMy0xLTEtNzkz_2af2ed81-f154-4fbc-b0ca-75ef15b81bbd">129</ix:nonFraction>&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:top;padding-left:6pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Additional paid-in capital&#160;</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="i4a0749d860044c61bf1ca42bfa4d1200_I20180630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:AdditionalPaidInCapitalCommonStock" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl83MC9mcmFnOjE3YzcyN2MzZmQyYTRmZjg4ZDZmNzkyN2Q5Nzg5YWMzL3RhYmxlOjYzYTNkOTIwOTg3MzQ5YWQ4MWVlMDQyNzUxMjI2ZmE2L3RhYmxlcmFuZ2U6NjNhM2Q5MjA5ODczNDlhZDgxZWUwNDI3NTEyMjZmYTZfMzctMS0xLTEtNzkw_6c622b67-e7fe-47cc-afd6-210a48e8974a">105,928</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="ic4d3c0da31dc4a6d9e6a956840d0f98c_I20171231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:AdditionalPaidInCapitalCommonStock" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl83MC9mcmFnOjE3YzcyN2MzZmQyYTRmZjg4ZDZmNzkyN2Q5Nzg5YWMzL3RhYmxlOjYzYTNkOTIwOTg3MzQ5YWQ4MWVlMDQyNzUxMjI2ZmE2L3RhYmxlcmFuZ2U6NjNhM2Q5MjA5ODczNDlhZDgxZWUwNDI3NTEyMjZmYTZfMzctMy0xLTEtNzkz_4df88504-de78-4d2c-8a00-38721c32176f">105,325</ix:nonFraction>&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:top;padding-left:6pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Retained earnings&#160;</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="i4a0749d860044c61bf1ca42bfa4d1200_I20180630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:RetainedEarningsAccumulatedDeficit" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl83MC9mcmFnOjE3YzcyN2MzZmQyYTRmZjg4ZDZmNzkyN2Q5Nzg5YWMzL3RhYmxlOjYzYTNkOTIwOTg3MzQ5YWQ4MWVlMDQyNzUxMjI2ZmE2L3RhYmxlcmFuZ2U6NjNhM2Q5MjA5ODczNDlhZDgxZWUwNDI3NTEyMjZmYTZfMzgtMS0xLTEtNzkw_964e4a84-a437-4079-899a-13b9e55e6ac0">152,337</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="ic4d3c0da31dc4a6d9e6a956840d0f98c_I20171231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:RetainedEarningsAccumulatedDeficit" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl83MC9mcmFnOjE3YzcyN2MzZmQyYTRmZjg4ZDZmNzkyN2Q5Nzg5YWMzL3RhYmxlOjYzYTNkOTIwOTg3MzQ5YWQ4MWVlMDQyNzUxMjI2ZmE2L3RhYmxlcmFuZ2U6NjNhM2Q5MjA5ODczNDlhZDgxZWUwNDI3NTEyMjZmYTZfMzgtMy0xLTEtNzkz_3cc690ee-9638-4790-b8c8-4998f3427186">151,865</ix:nonFraction>&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:top;padding-left:12pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Total stockholders' equity&#160;</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="i4a0749d860044c61bf1ca42bfa4d1200_I20180630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:StockholdersEquity" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl83MC9mcmFnOjE3YzcyN2MzZmQyYTRmZjg4ZDZmNzkyN2Q5Nzg5YWMzL3RhYmxlOjYzYTNkOTIwOTg3MzQ5YWQ4MWVlMDQyNzUxMjI2ZmE2L3RhYmxlcmFuZ2U6NjNhM2Q5MjA5ODczNDlhZDgxZWUwNDI3NTEyMjZmYTZfNDEtMS0xLTEtODA4_275d7e3b-61a8-424b-a7b8-dacf78e055ff">258,395</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="ic4d3c0da31dc4a6d9e6a956840d0f98c_I20171231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:StockholdersEquity" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl83MC9mcmFnOjE3YzcyN2MzZmQyYTRmZjg4ZDZmNzkyN2Q5Nzg5YWMzL3RhYmxlOjYzYTNkOTIwOTg3MzQ5YWQ4MWVlMDQyNzUxMjI2ZmE2L3RhYmxlcmFuZ2U6NjNhM2Q5MjA5ODczNDlhZDgxZWUwNDI3NTEyMjZmYTZfNDEtMy0xLTEtODEx_e7793740-5aeb-477e-b276-8aebd032e136">257,319</ix:nonFraction>&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:top;padding-left:12pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Total liabilities and stockholders' equity&#160;</span></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="i4a0749d860044c61bf1ca42bfa4d1200_I20180630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:LiabilitiesAndStockholdersEquity" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl83MC9mcmFnOjE3YzcyN2MzZmQyYTRmZjg4ZDZmNzkyN2Q5Nzg5YWMzL3RhYmxlOjYzYTNkOTIwOTg3MzQ5YWQ4MWVlMDQyNzUxMjI2ZmE2L3RhYmxlcmFuZ2U6NjNhM2Q5MjA5ODczNDlhZDgxZWUwNDI3NTEyMjZmYTZfNDItMS0xLTEtODE0_46d6ca6d-3f67-4f0e-97ee-21df0393c452">295,712</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:1pt solid #000;padding-left:1pt;padding-right:1pt;"></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="ic4d3c0da31dc4a6d9e6a956840d0f98c_I20171231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:LiabilitiesAndStockholdersEquity" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl83MC9mcmFnOjE3YzcyN2MzZmQyYTRmZjg4ZDZmNzkyN2Q5Nzg5YWMzL3RhYmxlOjYzYTNkOTIwOTg3MzQ5YWQ4MWVlMDQyNzUxMjI2ZmE2L3RhYmxlcmFuZ2U6NjNhM2Q5MjA5ODczNDlhZDgxZWUwNDI3NTEyMjZmYTZfNDItMy0xLTEtODE3_50308395-1f47-4b20-9f54-3d8b725e8c97">298,310</ix:nonFraction>&#160;</span></td></tr></table></div><div style="line-height:120%;text-align:center;"><span><br/></span></div><div style="line-height:120%;text-align:center;-sec-extract:summary;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">See accompanying notes to these unaudited condensed consolidated financial statements.</span></div><div style="line-height:120%;text-align:center;"><span><br/></span></div><div style="position:relative;width:100%;height:45pt;width:100%;"><div style="position:absolute;bottom:0;width:100%;"><div style="text-align:center;-sec-extract:summary;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:115%;vertical-align:bottom;">1</span></div></div></div><hr style="page-break-after:always"></hr><div style="height:45pt;width:100%;"><div><span><br/></span></div></div><div id="i_0_98"></div><div style="line-height:120%;text-align:center;"><span><br/></span></div><div><span><br/></span></div><div style="text-align:center;"><table style="margin-left:auto;margin-right:auto;border-collapse:collapse;text-align:left;text-indent:0pt;display:inline-table;width:99.561404%;"><tr><td style="width:1.0%;"></td><td style="width:43.227606%;"></td><td style="width:1.0%;"></td><td style="width:1.0%;"></td><td style="width:9.747430%;"></td><td style="width:1.0%;"></td><td style="width:0.1%;"></td><td style="width:0.534214%;"></td><td style="width:0.1%;"></td><td style="width:1.0%;"></td><td style="width:9.747430%;"></td><td style="width:1.0%;"></td><td style="width:0.1%;"></td><td style="width:0.387372%;"></td><td style="width:0.1%;"></td><td style="width:1.0%;"></td><td style="width:12.684288%;"></td><td style="width:1.0%;"></td><td style="width:0.1%;"></td><td style="width:0.387372%;"></td><td style="width:0.1%;"></td><td style="width:1.0%;"></td><td style="width:12.684288%;"></td><td style="width:1.0%;"></td></tr><tr><td colspan="24" style="padding-top:2px;padding-bottom:2px;height:45pt;background-color:#ffffff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:700;line-height:100%;vertical-align:bottom;">NATURAL GAS SERVICES GROUP, INC.</span></div><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:700;line-height:100%;vertical-align:bottom;">CONDENSED CONSOLIDATED INCOME STATEMENTS</span></div><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-style:italic;font-weight:400;line-height:100%;vertical-align:bottom;">(in thousands, except earnings per share)</span></div><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-style:italic;font-weight:400;line-height:100%;vertical-align:bottom;">(unaudited)</span></div></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td></tr><tr><td colspan="3" style="height:15pt;background-color:#ffffff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="9" style="height:15pt;background-color:#ffffff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="height:15pt;background-color:#ffffff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="height:15pt;background-color:#ffffff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="height:15pt;background-color:#ffffff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="height:15pt;background-color:#ffffff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td></tr><tr><td colspan="3" style="height:15pt;background-color:#ffffff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="9" style="padding-top:2px;padding-bottom:2px;height:15pt;background-color:#ffffff;text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Three months ended&#160;</span></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="height:15pt;background-color:#ffffff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="9" style="padding-top:2px;padding-bottom:2px;height:15pt;background-color:#ffffff;text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Six months ended&#160;</span></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td></tr><tr><td colspan="3" style="height:15pt;background-color:#ffffff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="9" style="padding-top:2px;padding-bottom:2px;height:15pt;background-color:#ffffff;text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">June 30, </span></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="height:15pt;background-color:#ffffff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="9" style="padding-top:2px;padding-bottom:2px;height:15pt;background-color:#ffffff;text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">June 30,</span></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td></tr><tr><td colspan="3" style="background-color:#ffffff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;border-top:2pt solid #000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">2018</span></td><td colspan="3" style="background-color:#ffffff;text-align:left;vertical-align:bottom;border-top:2pt solid #000;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#ffffff;text-align:center;vertical-align:bottom;border-top:2pt solid #000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">2017</span></td><td colspan="3" style="background-color:#ffffff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#ffffff;text-align:center;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">2018</span></td><td colspan="3" style="background-color:#ffffff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#ffffff;text-align:center;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">2017</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#ffffff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:700;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Revenue:&#160;</span></td><td colspan="3" style="background-color:#ffffff;text-align:left;vertical-align:bottom;border-top:2pt solid #000;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="background-color:#ffffff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="background-color:#ffffff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="background-color:#ffffff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="background-color:#ffffff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="background-color:#ffffff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="background-color:#ffffff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;padding-right:1pt;"></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Rental income</span></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="i9233ec8328ea4b0a99565d735d384d4e_D20180401-20180630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:Revenues" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfNi0xLTEtMS01MDU_5cc3aa28-99fb-4412-8df0-e050f519a7e1">11,427</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="ieaf988f1c6f048e1963fca6b1c19ea41_D20170401-20170630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:Revenues" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfNi0zLTEtMS01MTk_c418c318-9feb-42fe-84e2-e727fb48ad65">11,420</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="iec3930dca82d483abc7e8533620171ab_D20180101-20180630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:Revenues" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfNi01LTEtMS0zOTk2_7fdd8dc7-3ede-4b86-adf8-9c70967e86e5">22,898</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="idf9e1e6d34464276a9572275cc9988b6_D20170101-20170630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:Revenues" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfNi03LTEtMS0zNzM4_18e0ffa1-c3d1-46f2-88ed-95516d47a4ef">23,342</ix:nonFraction>&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#ffffff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Sales</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#ffffff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="i64be9c23b5b340638d48fa11e2539c56_D20180401-20180630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:Revenues" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfNy0xLTEtMS01MDU_5c8c1432-aaa8-4c0a-9910-c4deed576d06">6,383</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#ffffff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#ffffff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="i44d520893d5c4923b45f21891608d9d7_D20170401-20170630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:Revenues" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfNy0zLTEtMS01MTk_5b944aa7-ad26-4891-a19a-ad652ce428e8">4,407</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#ffffff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#ffffff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="ic66315dd49994cd1806b8effe1fa1a92_D20180101-20180630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:Revenues" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfNy01LTEtMS0zOTk2_893ea13e-6f78-493e-94ca-c20ac1231d50">9,381</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#ffffff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#ffffff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="if222bbc2738b4334a73bc9da895564d1_D20170101-20170630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:Revenues" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfNy03LTEtMS0zNzM4_b355c79e-2d81-43ae-a598-260734f70003">11,044</ix:nonFraction>&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Service and maintenance income&#160;</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="i8dd14a6624eb4309a15ccb85a55a83a5_D20180401-20180630" decimals="-3" name="us-gaap:Revenues" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfOS0xLTEtMS01MDg_7a23079f-9452-4d7f-a908-737e74e2a17e">394</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="i1b1e2c6c5cb14ddf8221ae4d34792446_D20170401-20170630" decimals="-3" name="us-gaap:Revenues" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfOS0zLTEtMS01MjI_2c34eeb4-be65-45d1-a6b8-61a61ecea6ed">391</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="ic4326a21d1654a30a9790fded0c1907d_D20180101-20180630" decimals="-3" name="us-gaap:Revenues" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfOC01LTEtMS0zOTk2_506d9f71-0a04-4abf-98ee-b08b9e3cb89c">643</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="i5622e7a47c5647598f4a7f5c6491fcf5_D20170101-20170630" decimals="-3" name="us-gaap:Revenues" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfOC03LTEtMS0zNzM4_00422c8e-5dab-49a1-bc81-0eae2bea1b34">734</ix:nonFraction>&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#ffffff;text-align:left;vertical-align:bottom;padding-left:12pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Total revenue&#160;</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#ffffff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="i486ae96497a44bee87d62f2f3d814d35_D20180401-20180630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:Revenues" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfMTAtMS0xLTEtNTA4_fdc55c34-b564-47d1-adcf-58d00b9a43cf">18,204</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#ffffff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#ffffff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="i201ed1d2fdd042c0bd171af3de0e4482_D20170401-20170630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:Revenues" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfMTAtMy0xLTEtNTIy_cbfd1466-da40-4734-876c-525262d59101">16,218</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#ffffff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#ffffff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:Revenues" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfOS01LTEtMS0zOTk2_c27023ef-8096-4b1d-bd19-a750c76a74c1">32,922</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#ffffff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#ffffff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="iae1008ff6a854658ab77be281aab8a0c_D20170101-20170630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:Revenues" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfOS03LTEtMS0zNzM4_8f3f4943-07af-4be8-a1c3-c9cca149fcbe">35,120</ix:nonFraction>&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:700;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Operating costs and expenses:&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#ffffff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Cost of rentals, exclusive of depreciation stated separately below&#160;</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#ffffff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="i486ae96497a44bee87d62f2f3d814d35_D20180401-20180630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:DirectCostsOfLeasedAndRentedPropertyOrEquipment" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfMTItMS0xLTEtNTI1_c107a16f-29ef-4bd1-9e26-dd057ad931c2">5,195</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#ffffff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#ffffff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="i201ed1d2fdd042c0bd171af3de0e4482_D20170401-20170630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:DirectCostsOfLeasedAndRentedPropertyOrEquipment" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfMTItMy0xLTEtNTM0_24e6eeb6-fd38-4c85-b4d8-031f6c6db2eb">4,255</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#ffffff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#ffffff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:DirectCostsOfLeasedAndRentedPropertyOrEquipment" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfMTEtNS0xLTEtMzk5Ng_baee6a8d-61ad-4128-97db-39101e54a904">9,899</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#ffffff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#ffffff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="iae1008ff6a854658ab77be281aab8a0c_D20170101-20170630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:DirectCostsOfLeasedAndRentedPropertyOrEquipment" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfMTEtNy0xLTEtMzczOA_387defc9-6155-45d7-a60c-16388ba23fa7">8,923</ix:nonFraction>&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Cost of sales, exclusive of depreciation stated separately below&#160;</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="i486ae96497a44bee87d62f2f3d814d35_D20180401-20180630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:OtherCostOfOperatingRevenue" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfMTMtMS0xLTEtNTI4_5543941d-9c6a-4247-b5da-19ccb62084a1">4,924</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="i201ed1d2fdd042c0bd171af3de0e4482_D20170401-20170630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:OtherCostOfOperatingRevenue" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfMTMtMy0xLTEtNTMx_d97ced6c-bd06-443b-9550-1234b9493b1b">3,745</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:OtherCostOfOperatingRevenue" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfMTItNS0xLTEtMzk5Ng_6e0663e8-bb92-45ce-b9e3-b73f5336928a">7,115</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="iae1008ff6a854658ab77be281aab8a0c_D20170101-20170630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:OtherCostOfOperatingRevenue" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfMTItNy0xLTEtMzc1NA_0257a725-c524-475b-a90e-0f47a22de42a">9,168</ix:nonFraction>&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#ffffff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Cost of service and maintenance</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#ffffff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="i486ae96497a44bee87d62f2f3d814d35_D20180401-20180630" decimals="-3" name="us-gaap:OtherCostOfServices" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfMTUtMS0xLTEtNTM5_048f372f-9065-463f-8da1-1a53e0776185">101</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#ffffff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#ffffff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="i201ed1d2fdd042c0bd171af3de0e4482_D20170401-20170630" decimals="-3" name="us-gaap:OtherCostOfServices" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfMTUtMy0xLTEtNTQy_2dfc3bde-77f2-413c-95ec-4433f6fdce5f">104</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#ffffff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#ffffff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630" decimals="-3" name="us-gaap:OtherCostOfServices" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfMTMtNS0xLTEtMzk5Ng_3cd7e105-6fac-42c3-9ccd-cd408e2994f1">166</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#ffffff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#ffffff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="iae1008ff6a854658ab77be281aab8a0c_D20170101-20170630" decimals="-3" name="us-gaap:OtherCostOfServices" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfMTMtNy0xLTEtMzc2MQ_beca4174-1146-42f9-8351-cd82b43c0a51">198</ix:nonFraction>&#160;</span></td></tr><tr><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Selling, general and administrative expense</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="i486ae96497a44bee87d62f2f3d814d35_D20180401-20180630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:SellingGeneralAndAdministrativeExpense" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfMTctMS0xLTEtNTQ3_c7ebb3fe-bd9a-49a7-8ec1-a334c29c1097">2,309</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="i201ed1d2fdd042c0bd171af3de0e4482_D20170401-20170630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:SellingGeneralAndAdministrativeExpense" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfMTctMy0xLTEtNTUw_f1c70c44-a0ee-43ab-b438-a0f57a2ec574">2,390</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:SellingGeneralAndAdministrativeExpense" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfMTUtNS0xLTEtMzk5Ng_92d18d3f-a1ed-40ff-b9a8-6657229ba467">4,330</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="iae1008ff6a854658ab77be281aab8a0c_D20170101-20170630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:SellingGeneralAndAdministrativeExpense" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfMTUtNy0xLTEtMzc2MQ_7047d911-913f-4183-a344-fbbd4cc82868">5,436</ix:nonFraction>&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#ffffff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Depreciation and amortization&#160;</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#ffffff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="i486ae96497a44bee87d62f2f3d814d35_D20180401-20180630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:DepreciationDepletionAndAmortization" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfMTgtMS0xLTEtNTQ3_4381e8c5-46cf-4a7e-80cc-c5dad10b8117">5,449</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#ffffff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#ffffff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="i201ed1d2fdd042c0bd171af3de0e4482_D20170401-20170630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:DepreciationDepletionAndAmortization" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfMTgtMy0xLTEtNTUw_c96200f0-6310-4b68-819e-81d4c18d8418">5,310</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#ffffff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#ffffff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:DepreciationDepletionAndAmortization" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfMTYtNS0xLTEtMzk5Ng_990078e9-7081-4861-8b57-e22b08c03316">10,836</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#ffffff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#ffffff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="iae1008ff6a854658ab77be281aab8a0c_D20170101-20170630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:DepreciationDepletionAndAmortization" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfMTYtNy0xLTEtMzc2MQ_b33ca881-804e-454e-8587-f76407809c0f">10,638</ix:nonFraction>&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:12pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Total operating costs and expenses&#160;</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="i486ae96497a44bee87d62f2f3d814d35_D20180401-20180630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:CostsAndExpenses" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfMTktMS0xLTEtNTQ3_51b57b95-b099-47ee-8cb0-9ac7a58b77e0">17,978</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="i201ed1d2fdd042c0bd171af3de0e4482_D20170401-20170630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:CostsAndExpenses" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfMTktMy0xLTEtNTUw_d5a1afd1-70ba-4f09-b636-1cc91d5be970">15,804</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:CostsAndExpenses" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfMTctNS0xLTEtMzk5Ng_fc8c1172-749d-44b5-8962-d4ba4105ee04">32,346</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="iae1008ff6a854658ab77be281aab8a0c_D20170101-20170630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:CostsAndExpenses" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfMTctNy0xLTEtMzc2MQ_a31420c4-4e00-49f9-8719-b147a40e7e10">34,363</ix:nonFraction>&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#ffffff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:700;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Operating income&#160;</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#ffffff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="i486ae96497a44bee87d62f2f3d814d35_D20180401-20180630" decimals="-3" name="us-gaap:OperatingIncomeLoss" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfMjAtMS0xLTEtNTQ3_5a898490-e702-4f47-9b37-3bc92d0ce5a3">226</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#ffffff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#ffffff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="i201ed1d2fdd042c0bd171af3de0e4482_D20170401-20170630" decimals="-3" name="us-gaap:OperatingIncomeLoss" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfMjAtMy0xLTEtNTUw_21f02dc1-ddc9-4c08-8f02-7f6d6f4b3530">414</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#ffffff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#ffffff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630" decimals="-3" name="us-gaap:OperatingIncomeLoss" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfMTgtNS0xLTEtMzk5Ng_649aa788-55e8-445d-bd80-2c85d22d396c">576</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#ffffff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#ffffff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="iae1008ff6a854658ab77be281aab8a0c_D20170101-20170630" decimals="-3" name="us-gaap:OperatingIncomeLoss" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfMTgtNy0xLTEtMzc2MQ_e2bd0abb-0bef-41bb-bc97-70def6fe7926">757</ix:nonFraction>&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:700;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Other income (expense):&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#ffffff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Interest expense&#160;</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#ffffff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">(<ix:nonFraction unitRef="usd" contextRef="i486ae96497a44bee87d62f2f3d814d35_D20180401-20180630" decimals="-3" name="us-gaap:InterestExpense" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfMjItMS0xLTEtNTUz_051cbb47-8b17-445f-bc11-218e56c630e9">3</ix:nonFraction>)</span></td><td colspan="3" style="background-color:#ffffff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#ffffff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">(<ix:nonFraction unitRef="usd" contextRef="i201ed1d2fdd042c0bd171af3de0e4482_D20170401-20170630" decimals="-3" name="us-gaap:InterestExpense" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfMjItMy0xLTEtNTU2_cbefac59-04ae-4887-8353-b701ec9676cb">2</ix:nonFraction>)</span></td><td colspan="3" style="background-color:#ffffff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#ffffff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">(<ix:nonFraction unitRef="usd" contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630" decimals="-3" name="us-gaap:InterestExpense" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfMjAtNS0xLTEtMzk5Ng_54f5b219-a26f-4746-abee-e6c81a68bab2">6</ix:nonFraction>)</span></td><td colspan="3" style="background-color:#ffffff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#ffffff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">(<ix:nonFraction unitRef="usd" contextRef="iae1008ff6a854658ab77be281aab8a0c_D20170101-20170630" decimals="-3" name="us-gaap:InterestExpense" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfMjAtNy0xLTEtMzc2MQ_39cc3ddc-dbca-4056-aec7-28ff205309d5">4</ix:nonFraction>)</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><div style="line-height:100%;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">Other income, net</span></div></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="i486ae96497a44bee87d62f2f3d814d35_D20180401-20180630" decimals="-3" name="us-gaap:OtherNonoperatingIncomeExpense" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfMjMtMS0xLTEtNTUz_42394e5e-e0da-497a-b09a-0e303650066c">78</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="i201ed1d2fdd042c0bd171af3de0e4482_D20170401-20170630" decimals="-3" name="us-gaap:OtherNonoperatingIncomeExpense" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfMjMtMy0xLTEtNTU2_d0bda695-3faa-41ea-98f8-6d4f7fdc19ae">3</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630" decimals="-3" name="us-gaap:OtherNonoperatingIncomeExpense" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfMjEtNS0xLTEtMzk5Ng_295cfab9-a391-4aea-bae4-8165eece7bd4">5</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="iae1008ff6a854658ab77be281aab8a0c_D20170101-20170630" decimals="-3" name="us-gaap:OtherNonoperatingIncomeExpense" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfMjEtNy0xLTEtMzc2MQ_6b5a3aad-d198-4074-b13b-e897052bd20c">6</ix:nonFraction>&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#ffffff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><div style="padding-left:12pt;line-height:100%;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">Total other income (expense), net</span></div></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#ffffff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="i486ae96497a44bee87d62f2f3d814d35_D20180401-20180630" decimals="-3" name="us-gaap:NonoperatingIncomeExpense" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfMjQtMS0xLTEtNTUz_7fcfd50c-d8ae-44d5-9bc7-31d5bf7b808c">75</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#ffffff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#ffffff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="i201ed1d2fdd042c0bd171af3de0e4482_D20170401-20170630" decimals="-3" name="us-gaap:NonoperatingIncomeExpense" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfMjQtMy0xLTEtNTU2_57faa44e-47e3-40ee-b4cd-311ef6dc5bec">1</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#ffffff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#ffffff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">(<ix:nonFraction unitRef="usd" contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630" decimals="-3" sign="-" name="us-gaap:NonoperatingIncomeExpense" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfMjItNS0xLTEtMzk5Ng_e32b3777-f765-4bbf-b94e-1f0797673b8f">1</ix:nonFraction>)</span></td><td colspan="3" style="background-color:#ffffff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#ffffff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="iae1008ff6a854658ab77be281aab8a0c_D20170101-20170630" decimals="-3" name="us-gaap:NonoperatingIncomeExpense" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfMjItNy0xLTEtMzc2MQ_5cc57241-a5c4-4c2e-a307-113da5243f4e">2</ix:nonFraction>&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:700;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Income before provision for income taxes&#160;</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="i486ae96497a44bee87d62f2f3d814d35_D20180401-20180630" decimals="-3" name="us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfMjUtMS0xLTEtNTUz_4b8ad3f4-a6cb-42b7-ab7d-ac37128ecb31">301</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="i201ed1d2fdd042c0bd171af3de0e4482_D20170401-20170630" decimals="-3" name="us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfMjUtMy0xLTEtNTU2_e34d6387-1bab-4fc2-8aa6-4a1f9f5cc406">415</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630" decimals="-3" name="us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfMjMtNS0xLTEtMzk5Ng_66a17707-bd56-4650-b129-4a2e5a8bde21">575</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="iae1008ff6a854658ab77be281aab8a0c_D20170101-20170630" decimals="-3" name="us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfMjMtNy0xLTEtMzc2MQ_17bb526d-4a7b-4cc4-9869-f5b3981d97f9">759</ix:nonFraction>&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#ffffff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Provision for income taxes&#160;</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#ffffff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="i486ae96497a44bee87d62f2f3d814d35_D20180401-20180630" decimals="-3" name="us-gaap:IncomeTaxExpenseBenefit" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfMjYtMS0xLTEtNTUz_e97460e5-41d4-40ae-ad07-316d40eae3c8">54</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#ffffff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#ffffff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="i201ed1d2fdd042c0bd171af3de0e4482_D20170401-20170630" decimals="-3" name="us-gaap:IncomeTaxExpenseBenefit" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfMjYtMy0xLTEtNTU2_0c834502-fe1a-4613-8dd0-0212b817bab4">40</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#ffffff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#ffffff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630" decimals="-3" name="us-gaap:IncomeTaxExpenseBenefit" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfMjQtNS0xLTEtMzk5Ng_8bbe6b50-1058-402d-9fcb-975f7a720a19">103</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#ffffff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#ffffff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="iae1008ff6a854658ab77be281aab8a0c_D20170101-20170630" decimals="-3" name="us-gaap:IncomeTaxExpenseBenefit" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfMjQtNy0xLTEtMzc2MQ_415ccdff-e983-49a7-8700-602942be98bb">132</ix:nonFraction>&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:700;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Net income&#160;</span></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="i486ae96497a44bee87d62f2f3d814d35_D20180401-20180630" decimals="-3" name="us-gaap:NetIncomeLoss" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfMjctMS0xLTEtNTUz_c18c9bf6-baf1-4464-92fa-bceab5bdd3d3">247</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="i201ed1d2fdd042c0bd171af3de0e4482_D20170401-20170630" decimals="-3" name="us-gaap:NetIncomeLoss" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfMjctMy0xLTEtNTU2_650c203c-9f32-41e8-9c24-6934cadadf01">375</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630" decimals="-3" name="us-gaap:NetIncomeLoss" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfMjUtNS0xLTEtMzk5Ng_399b4711-7aeb-4e34-abf2-5db85a2e146d">472</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="iae1008ff6a854658ab77be281aab8a0c_D20170101-20170630" decimals="-3" name="us-gaap:NetIncomeLoss" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfMjUtNy0xLTEtMzc2MQ_fe1405bd-005e-49ac-b3c7-165789f4b53c">627</ix:nonFraction>&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#ffffff;text-align:left;vertical-align:bottom;padding-left:12pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:700;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Earnings per share:</span></td><td colspan="3" style="background-color:#ffffff;text-align:left;vertical-align:bottom;border-top:3pt double #000000;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="background-color:#ffffff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="background-color:#ffffff;text-align:left;vertical-align:bottom;border-top:3pt double #000000;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="background-color:#ffffff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="background-color:#ffffff;text-align:left;vertical-align:bottom;border-top:3pt double #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td colspan="3" style="background-color:#ffffff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="background-color:#ffffff;text-align:left;vertical-align:bottom;border-top:3pt double #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:24pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Basic</span></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usdPerShare" contextRef="i486ae96497a44bee87d62f2f3d814d35_D20180401-20180630" decimals="2" name="us-gaap:EarningsPerShareBasic" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfMjktMS0xLTEtNTU5_46522607-f23f-420f-b69c-7bc2343ae9be">0.02</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usdPerShare" contextRef="i201ed1d2fdd042c0bd171af3de0e4482_D20170401-20170630" decimals="2" name="us-gaap:EarningsPerShareBasic" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfMjktMy0xLTEtNTYy_d1cfd9da-ae4d-4696-91cf-69a603cb97fa">0.03</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usdPerShare" contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630" decimals="2" name="us-gaap:EarningsPerShareBasic" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfMjctNS0xLTEtMzk5Ng_e43b2bac-40d9-4f2f-8805-e863b2028629">0.04</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usdPerShare" contextRef="iae1008ff6a854658ab77be281aab8a0c_D20170101-20170630" decimals="2" name="us-gaap:EarningsPerShareBasic" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfMjctNy0xLTEtMzc2MQ_974e6eeb-7ac8-4237-95ce-ba2b2244b5d3">0.05</ix:nonFraction>&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#ffffff;text-align:left;vertical-align:bottom;padding-left:24pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Diluted</span></td><td style="padding-top:2px;padding-bottom:2px;background-color:#ffffff;text-align:left;vertical-align:bottom;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#ffffff;text-align:right;vertical-align:bottom;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usdPerShare" contextRef="i486ae96497a44bee87d62f2f3d814d35_D20180401-20180630" decimals="2" name="us-gaap:EarningsPerShareDiluted" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfMzAtMS0xLTEtNTU5_9d1c26b6-67ca-4892-9f6f-b809ce6c45df">0.02</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#ffffff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td style="padding-top:2px;padding-bottom:2px;background-color:#ffffff;text-align:left;vertical-align:bottom;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#ffffff;text-align:right;vertical-align:bottom;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usdPerShare" contextRef="i201ed1d2fdd042c0bd171af3de0e4482_D20170401-20170630" decimals="2" name="us-gaap:EarningsPerShareDiluted" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfMzAtMy0xLTEtNTYy_9a37a854-bdaf-48bf-a613-19f049f586f1">0.03</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#ffffff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td style="padding-top:2px;padding-bottom:2px;background-color:#ffffff;text-align:left;vertical-align:bottom;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#ffffff;text-align:right;vertical-align:bottom;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usdPerShare" contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630" decimals="2" name="us-gaap:EarningsPerShareDiluted" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfMjgtNS0xLTEtMzk5Ng_2a358e9b-fc49-4f96-b207-e58593a5ee7e">0.04</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#ffffff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td style="padding-top:2px;padding-bottom:2px;background-color:#ffffff;text-align:left;vertical-align:bottom;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#ffffff;text-align:right;vertical-align:bottom;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usdPerShare" contextRef="iae1008ff6a854658ab77be281aab8a0c_D20170101-20170630" decimals="2" name="us-gaap:EarningsPerShareDiluted" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfMjgtNy0xLTEtMzc2MQ_6169b5a1-f5ee-491d-b4fb-bee2a03323f5">0.05</ix:nonFraction>&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:12pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:700;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Weighted average shares outstanding:</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#ffffff;text-align:left;vertical-align:bottom;padding-left:24pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Basic</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#ffffff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="shares" contextRef="i486ae96497a44bee87d62f2f3d814d35_D20180401-20180630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:WeightedAverageNumberOfSharesOutstandingBasic" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfMzItMS0xLTEtNTY1_c32147fe-bbe0-4866-9837-bb8794c872ee">12,963</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#ffffff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#ffffff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="shares" contextRef="i201ed1d2fdd042c0bd171af3de0e4482_D20170401-20170630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:WeightedAverageNumberOfSharesOutstandingBasic" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfMzItMy0xLTEtNTY4_d0707089-82a9-4caa-8e17-631f4b70d2e7">12,831</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#ffffff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#ffffff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="shares" contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:WeightedAverageNumberOfSharesOutstandingBasic" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfMzAtNS0xLTEtMzk5Ng_1be58979-625f-480a-b51d-786e50215c3a">12,941</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#ffffff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#ffffff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="shares" contextRef="iae1008ff6a854658ab77be281aab8a0c_D20170101-20170630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:WeightedAverageNumberOfSharesOutstandingBasic" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfMzAtNy0xLTEtMzc2MQ_c2d31dd3-10b6-41a2-bb5c-4e7336c6a7c0">12,818</ix:nonFraction>&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:24pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Diluted</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="shares" contextRef="i486ae96497a44bee87d62f2f3d814d35_D20180401-20180630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfMzMtMS0xLTEtNTY1_99808a35-c2ea-4b16-8e44-00e1e6bca268">13,261</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="shares" contextRef="i201ed1d2fdd042c0bd171af3de0e4482_D20170401-20170630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfMzMtMy0xLTEtNTY4_a35d0ade-1ce1-467f-888c-8ff9b66dd7f1">13,130</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="shares" contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfMzEtNS0xLTEtMzk5Ng_9a283f0e-9c95-4e42-8f0d-1132d55713eb">13,215</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="shares" contextRef="iae1008ff6a854658ab77be281aab8a0c_D20170101-20170630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfMzEtNy0xLTEtMzc2MQ_cea32206-11a0-4406-b253-c36d49d3e7b0">13,093</ix:nonFraction>&#160;</span></td></tr></table></div><div style="line-height:120%;text-align:center;"><span><br/></span></div><div style="line-height:120%;"><span><br/></span></div><div style="line-height:120%;text-align:center;-sec-extract:summary;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">See accompanying notes to these unaudited condensed consolidated financial statements.</span></div><div style="line-height:120%;"><span><br/></span></div><div id="i_0_111"></div><div style="line-height:120%;"><span><br/></span></div><div style="position:relative;width:100%;height:45pt;width:100%;"><div style="position:absolute;bottom:0;width:100%;"><div style="text-align:center;-sec-extract:summary;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:115%;vertical-align:bottom;">2</span></div></div></div><hr style="page-break-after:always"></hr><div style="height:45pt;width:100%;"><div><span><br/></span></div></div><div><table style="margin-left:auto;margin-right:auto;border-collapse:collapse;text-align:left;text-indent:0pt;display:inline-table;width:99.561404%;"><tr><td style="width:1.0%;"></td><td style="width:72.008811%;"></td><td style="width:1.0%;"></td><td style="width:1.0%;"></td><td style="width:10.628488%;"></td><td style="width:1.0%;"></td><td style="width:0.1%;"></td><td style="width:0.534214%;"></td><td style="width:0.1%;"></td><td style="width:1.0%;"></td><td style="width:10.628488%;"></td><td style="width:1.0%;"></td></tr><tr><td colspan="12" style="padding-top:2px;padding-bottom:2px;height:43pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:700;line-height:100%;vertical-align:bottom;">NATURAL GAS SERVICES GROUP, INC.</span></div><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:700;line-height:100%;vertical-align:bottom;">CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS</span></div><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-style:italic;font-weight:400;line-height:100%;vertical-align:bottom;">(in thousands)</span></div><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-style:italic;font-weight:400;line-height:100%;vertical-align:bottom;">(unaudited)</span></div></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td></tr><tr><td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="9" style="padding-top:2px;padding-bottom:2px;height:15pt;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Six months ended&#160;</span></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td></tr><tr><td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="9" style="padding-top:2px;padding-bottom:2px;height:15pt;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">June 30, </span></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td></tr><tr><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:top;border-top:2pt solid #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">2018</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:top;border-top:2pt solid #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">2017</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:top;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:700;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">CASH FLOWS FROM OPERATING ACTIVITIES:&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;padding-right:1pt;"></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:top;padding-left:6pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:700;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Net income</span></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630" decimals="-3" name="us-gaap:NetIncomeLoss" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMTEvZnJhZzoyYzBiOWFkOTdlYjI0NDI5YjA3YWRiZGMwNjIzYmE0Ni90YWJsZToxNmVlZjcwYjc4NGE0OGRhODcxODRjMzg5MzkyODI2Mi90YWJsZXJhbmdlOjE2ZWVmNzBiNzg0YTQ4ZGE4NzE4NGMzODkzOTI4MjYyXzUtMS0xLTEtNTgw_9c273d4a-2bf8-4182-8189-3cdb4ad4bc8c">472</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="iae1008ff6a854658ab77be281aab8a0c_D20170101-20170630" decimals="-3" name="us-gaap:NetIncomeLoss" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMTEvZnJhZzoyYzBiOWFkOTdlYjI0NDI5YjA3YWRiZGMwNjIzYmE0Ni90YWJsZToxNmVlZjcwYjc4NGE0OGRhODcxODRjMzg5MzkyODI2Mi90YWJsZXJhbmdlOjE2ZWVmNzBiNzg0YTQ4ZGE4NzE4NGMzODkzOTI4MjYyXzUtMy0xLTEtNTc3_6fb7a0d5-7c74-4162-9189-fdc29415a504">627</ix:nonFraction>&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:top;padding-left:12pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:700;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Adjustments to reconcile net income to net cash provided by operating&#160;activities:&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:top;padding-left:18pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Depreciation and amortization&#160;</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:DepreciationDepletionAndAmortization" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMTEvZnJhZzoyYzBiOWFkOTdlYjI0NDI5YjA3YWRiZGMwNjIzYmE0Ni90YWJsZToxNmVlZjcwYjc4NGE0OGRhODcxODRjMzg5MzkyODI2Mi90YWJsZXJhbmdlOjE2ZWVmNzBiNzg0YTQ4ZGE4NzE4NGMzODkzOTI4MjYyXzctMS0xLTEtNTgz_bf1f9667-6652-4abb-abc3-c3dde6db38aa">10,836</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="iae1008ff6a854658ab77be281aab8a0c_D20170101-20170630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:DepreciationDepletionAndAmortization" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMTEvZnJhZzoyYzBiOWFkOTdlYjI0NDI5YjA3YWRiZGMwNjIzYmE0Ni90YWJsZToxNmVlZjcwYjc4NGE0OGRhODcxODRjMzg5MzkyODI2Mi90YWJsZXJhbmdlOjE2ZWVmNzBiNzg0YTQ4ZGE4NzE4NGMzODkzOTI4MjYyXzctMy0xLTEtNTg2_b8660a0a-2bb9-4879-8b44-d0c0bbe779e6">10,638</ix:nonFraction>&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:top;padding-left:18pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Deferred income taxes</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630" decimals="-3" name="us-gaap:DeferredIncomeTaxExpenseBenefit" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMTEvZnJhZzoyYzBiOWFkOTdlYjI0NDI5YjA3YWRiZGMwNjIzYmE0Ni90YWJsZToxNmVlZjcwYjc4NGE0OGRhODcxODRjMzg5MzkyODI2Mi90YWJsZXJhbmdlOjE2ZWVmNzBiNzg0YTQ4ZGE4NzE4NGMzODkzOTI4MjYyXzgtMS0xLTEtNTgz_f3158401-4909-49a7-bee3-f7116ad72446">170</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">(<ix:nonFraction unitRef="usd" contextRef="iae1008ff6a854658ab77be281aab8a0c_D20170101-20170630" decimals="-3" sign="-" format="ixt:numdotdecimal" name="us-gaap:DeferredIncomeTaxExpenseBenefit" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMTEvZnJhZzoyYzBiOWFkOTdlYjI0NDI5YjA3YWRiZGMwNjIzYmE0Ni90YWJsZToxNmVlZjcwYjc4NGE0OGRhODcxODRjMzg5MzkyODI2Mi90YWJsZXJhbmdlOjE2ZWVmNzBiNzg0YTQ4ZGE4NzE4NGMzODkzOTI4MjYyXzgtMy0xLTEtNTg2_c5975f6b-cdf9-4970-94d0-bba98e5a17a2">2,609</ix:nonFraction>)</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:top;padding-left:18pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Stock-based compensation</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:ShareBasedCompensation" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMTEvZnJhZzoyYzBiOWFkOTdlYjI0NDI5YjA3YWRiZGMwNjIzYmE0Ni90YWJsZToxNmVlZjcwYjc4NGE0OGRhODcxODRjMzg5MzkyODI2Mi90YWJsZXJhbmdlOjE2ZWVmNzBiNzg0YTQ4ZGE4NzE4NGMzODkzOTI4MjYyXzktMS0xLTEtNTgz_c76e49ac-43a3-450a-9739-5b11f4e33b66">1,076</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="iae1008ff6a854658ab77be281aab8a0c_D20170101-20170630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:ShareBasedCompensation" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMTEvZnJhZzoyYzBiOWFkOTdlYjI0NDI5YjA3YWRiZGMwNjIzYmE0Ni90YWJsZToxNmVlZjcwYjc4NGE0OGRhODcxODRjMzg5MzkyODI2Mi90YWJsZXJhbmdlOjE2ZWVmNzBiNzg0YTQ4ZGE4NzE4NGMzODkzOTI4MjYyXzktMy0xLTEtNTg2_568e5a41-f52a-441d-afd3-5c744c6fe312">2,416</ix:nonFraction>&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:top;padding-left:18pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Bad debt allowance</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">(<ix:nonFraction unitRef="usd" contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630" decimals="-3" sign="-" name="us-gaap:ProvisionForDoubtfulAccounts" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMTEvZnJhZzoyYzBiOWFkOTdlYjI0NDI5YjA3YWRiZGMwNjIzYmE0Ni90YWJsZToxNmVlZjcwYjc4NGE0OGRhODcxODRjMzg5MzkyODI2Mi90YWJsZXJhbmdlOjE2ZWVmNzBiNzg0YTQ4ZGE4NzE4NGMzODkzOTI4MjYyXzEwLTEtMS0xLTU4Mw_789dfde8-489a-4fdb-8c9c-47d595acb26f">102</ix:nonFraction>)</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="iae1008ff6a854658ab77be281aab8a0c_D20170101-20170630" decimals="-3" name="us-gaap:ProvisionForDoubtfulAccounts" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMTEvZnJhZzoyYzBiOWFkOTdlYjI0NDI5YjA3YWRiZGMwNjIzYmE0Ni90YWJsZToxNmVlZjcwYjc4NGE0OGRhODcxODRjMzg5MzkyODI2Mi90YWJsZXJhbmdlOjE2ZWVmNzBiNzg0YTQ4ZGE4NzE4NGMzODkzOTI4MjYyXzEwLTMtMS0xLTU4Ng_99896fca-2339-4fc6-983d-534f2c0ed9eb">60</ix:nonFraction>&#160;</span></td></tr><tr><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:top;padding-left:18pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Gain on sale of assets</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">(<ix:nonFraction unitRef="usd" contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630" decimals="-3" name="us-gaap:GainLossOnDispositionOfAssets" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMTEvZnJhZzoyYzBiOWFkOTdlYjI0NDI5YjA3YWRiZGMwNjIzYmE0Ni90YWJsZToxNmVlZjcwYjc4NGE0OGRhODcxODRjMzg5MzkyODI2Mi90YWJsZXJhbmdlOjE2ZWVmNzBiNzg0YTQ4ZGE4NzE4NGMzODkzOTI4MjYyXzEyLTEtMS0xLTYwNA_8afc9ce7-07a3-4f0d-ac51-3f6d47c8bbe1">49</ix:nonFraction>)</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">(<ix:nonFraction unitRef="usd" contextRef="iae1008ff6a854658ab77be281aab8a0c_D20170101-20170630" decimals="-3" name="us-gaap:GainLossOnDispositionOfAssets" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMTEvZnJhZzoyYzBiOWFkOTdlYjI0NDI5YjA3YWRiZGMwNjIzYmE0Ni90YWJsZToxNmVlZjcwYjc4NGE0OGRhODcxODRjMzg5MzkyODI2Mi90YWJsZXJhbmdlOjE2ZWVmNzBiNzg0YTQ4ZGE4NzE4NGMzODkzOTI4MjYyXzEyLTMtMS0xLTYwOQ_88827054-0545-40aa-b09f-a3cf9211bbd9">49</ix:nonFraction>)</span></td></tr><tr><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:top;padding-left:1pt;padding-right:1pt;"><div style="padding-left:18pt;line-height:100%;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">Loss (gain) on company owned life insurance</span></div></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630" decimals="-3" sign="-" name="us-gaap:LifeInsuranceCorporateOrBankOwnedChangeInValue" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMTEvZnJhZzoyYzBiOWFkOTdlYjI0NDI5YjA3YWRiZGMwNjIzYmE0Ni90YWJsZToxNmVlZjcwYjc4NGE0OGRhODcxODRjMzg5MzkyODI2Mi90YWJsZXJhbmdlOjE2ZWVmNzBiNzg0YTQ4ZGE4NzE4NGMzODkzOTI4MjYyXzE0LTEtMS0xLTYxOQ_1efb9b0e-9149-47b5-93e1-44afe3a9bec9">55</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">(<ix:nonFraction unitRef="usd" contextRef="iae1008ff6a854658ab77be281aab8a0c_D20170101-20170630" decimals="-3" name="us-gaap:LifeInsuranceCorporateOrBankOwnedChangeInValue" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMTEvZnJhZzoyYzBiOWFkOTdlYjI0NDI5YjA3YWRiZGMwNjIzYmE0Ni90YWJsZToxNmVlZjcwYjc4NGE0OGRhODcxODRjMzg5MzkyODI2Mi90YWJsZXJhbmdlOjE2ZWVmNzBiNzg0YTQ4ZGE4NzE4NGMzODkzOTI4MjYyXzE0LTMtMS0xLTYyMg_96c4bb02-4f89-4d37-a14c-c1ae722f2731">17</ix:nonFraction>)</span></td></tr><tr><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:top;padding-left:12pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:700;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Changes in operating assets and liabilities:</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:top;padding-left:18pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Trade accounts receivables</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">(<ix:nonFraction unitRef="usd" contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630" decimals="-3" name="us-gaap:IncreaseDecreaseInAccountsReceivable" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMTEvZnJhZzoyYzBiOWFkOTdlYjI0NDI5YjA3YWRiZGMwNjIzYmE0Ni90YWJsZToxNmVlZjcwYjc4NGE0OGRhODcxODRjMzg5MzkyODI2Mi90YWJsZXJhbmdlOjE2ZWVmNzBiNzg0YTQ4ZGE4NzE4NGMzODkzOTI4MjYyXzE3LTEtMS0xLTY4OQ_379cc565-df89-4e1a-8fc4-0e5262dccf4b">739</ix:nonFraction>)</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="iae1008ff6a854658ab77be281aab8a0c_D20170101-20170630" decimals="-3" sign="-" format="ixt:numdotdecimal" name="us-gaap:IncreaseDecreaseInAccountsReceivable" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMTEvZnJhZzoyYzBiOWFkOTdlYjI0NDI5YjA3YWRiZGMwNjIzYmE0Ni90YWJsZToxNmVlZjcwYjc4NGE0OGRhODcxODRjMzg5MzkyODI2Mi90YWJsZXJhbmdlOjE2ZWVmNzBiNzg0YTQ4ZGE4NzE4NGMzODkzOTI4MjYyXzE3LTMtMS0xLTY5Mg_8e6db59d-1504-4d6f-b361-f97105baecd0">1,147</ix:nonFraction>&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:top;padding-left:18pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Inventory</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630" decimals="-3" sign="-" format="ixt:numdotdecimal" name="us-gaap:IncreaseDecreaseInInventories" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMTEvZnJhZzoyYzBiOWFkOTdlYjI0NDI5YjA3YWRiZGMwNjIzYmE0Ni90YWJsZToxNmVlZjcwYjc4NGE0OGRhODcxODRjMzg5MzkyODI2Mi90YWJsZXJhbmdlOjE2ZWVmNzBiNzg0YTQ4ZGE4NzE4NGMzODkzOTI4MjYyXzE4LTEtMS0xLTY4OQ_6888ed2c-21c4-4c1c-a619-2a9669852e09">2,673</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="iae1008ff6a854658ab77be281aab8a0c_D20170101-20170630" decimals="-3" sign="-" format="ixt:numdotdecimal" name="us-gaap:IncreaseDecreaseInInventories" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMTEvZnJhZzoyYzBiOWFkOTdlYjI0NDI5YjA3YWRiZGMwNjIzYmE0Ni90YWJsZToxNmVlZjcwYjc4NGE0OGRhODcxODRjMzg5MzkyODI2Mi90YWJsZXJhbmdlOjE2ZWVmNzBiNzg0YTQ4ZGE4NzE4NGMzODkzOTI4MjYyXzE4LTMtMS0xLTY5Mg_3336e784-2986-4766-bb93-c999f61ca38f">1,383</ix:nonFraction>&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:top;padding-left:18pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Prepaid expenses and prepaid income taxes</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630" decimals="-3" sign="-" name="us-gaap:IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMTEvZnJhZzoyYzBiOWFkOTdlYjI0NDI5YjA3YWRiZGMwNjIzYmE0Ni90YWJsZToxNmVlZjcwYjc4NGE0OGRhODcxODRjMzg5MzkyODI2Mi90YWJsZXJhbmdlOjE2ZWVmNzBiNzg0YTQ4ZGE4NzE4NGMzODkzOTI4MjYyXzE5LTEtMS0xLTY1OQ_7bfd479a-5a07-49d8-af24-6b52b17d9916">321</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">(<ix:nonFraction unitRef="usd" contextRef="iae1008ff6a854658ab77be281aab8a0c_D20170101-20170630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMTEvZnJhZzoyYzBiOWFkOTdlYjI0NDI5YjA3YWRiZGMwNjIzYmE0Ni90YWJsZToxNmVlZjcwYjc4NGE0OGRhODcxODRjMzg5MzkyODI2Mi90YWJsZXJhbmdlOjE2ZWVmNzBiNzg0YTQ4ZGE4NzE4NGMzODkzOTI4MjYyXzE5LTMtMS0xLTY1NA_8b082eb5-ff58-40f9-95f6-b3f4f3f1a634">1,411</ix:nonFraction>)</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:top;padding-left:18pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Accounts payable and accrued liabilities&#160;</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">(<ix:nonFraction unitRef="usd" contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630" decimals="-3" sign="-" format="ixt:numdotdecimal" name="us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMTEvZnJhZzoyYzBiOWFkOTdlYjI0NDI5YjA3YWRiZGMwNjIzYmE0Ni90YWJsZToxNmVlZjcwYjc4NGE0OGRhODcxODRjMzg5MzkyODI2Mi90YWJsZXJhbmdlOjE2ZWVmNzBiNzg0YTQ4ZGE4NzE4NGMzODkzOTI4MjYyXzIwLTEtMS0xLTY1OQ_5749211e-8768-461d-8f52-e971abc01bb4">4,327</ix:nonFraction>)</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="iae1008ff6a854658ab77be281aab8a0c_D20170101-20170630" decimals="-3" name="us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMTEvZnJhZzoyYzBiOWFkOTdlYjI0NDI5YjA3YWRiZGMwNjIzYmE0Ni90YWJsZToxNmVlZjcwYjc4NGE0OGRhODcxODRjMzg5MzkyODI2Mi90YWJsZXJhbmdlOjE2ZWVmNzBiNzg0YTQ4ZGE4NzE4NGMzODkzOTI4MjYyXzIwLTMtMS0xLTY1NA_94941532-96bb-4478-9f47-8aa5bcd69c76">297</ix:nonFraction>&#160;</span></td></tr><tr><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:top;padding-left:18pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Deferred income&#160;</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630" decimals="-3" name="ngs:IncreaseDecreaseInContractWithCustomerLiability" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMTEvZnJhZzoyYzBiOWFkOTdlYjI0NDI5YjA3YWRiZGMwNjIzYmE0Ni90YWJsZToxNmVlZjcwYjc4NGE0OGRhODcxODRjMzg5MzkyODI2Mi90YWJsZXJhbmdlOjE2ZWVmNzBiNzg0YTQ4ZGE4NzE4NGMzODkzOTI4MjYyXzIyLTEtMS0xLTY2NA_7ed40985-5434-4ab9-afa6-babd723f3344">302</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">(<ix:nonFraction unitRef="usd" contextRef="iae1008ff6a854658ab77be281aab8a0c_D20170101-20170630" decimals="-3" sign="-" format="ixt:numdotdecimal" name="ngs:IncreaseDecreaseInContractWithCustomerLiability" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMTEvZnJhZzoyYzBiOWFkOTdlYjI0NDI5YjA3YWRiZGMwNjIzYmE0Ni90YWJsZToxNmVlZjcwYjc4NGE0OGRhODcxODRjMzg5MzkyODI2Mi90YWJsZXJhbmdlOjE2ZWVmNzBiNzg0YTQ4ZGE4NzE4NGMzODkzOTI4MjYyXzIyLTMtMS0xLTY2Nw_2cc6e5db-a9f1-4719-b526-8eccb428aaa0">1,849</ix:nonFraction>)</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:top;padding-left:18pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Other</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630" decimals="-3" sign="-" name="us-gaap:IncreaseDecreaseInOtherCurrentAssets" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMTEvZnJhZzoyYzBiOWFkOTdlYjI0NDI5YjA3YWRiZGMwNjIzYmE0Ni90YWJsZToxNmVlZjcwYjc4NGE0OGRhODcxODRjMzg5MzkyODI2Mi90YWJsZXJhbmdlOjE2ZWVmNzBiNzg0YTQ4ZGE4NzE4NGMzODkzOTI4MjYyXzIzLTEtMS0xLTY2NA_2b1e76a8-e1d8-4530-bc2e-9359c6f2f636">172</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="iae1008ff6a854658ab77be281aab8a0c_D20170101-20170630" decimals="-3" sign="-" name="us-gaap:IncreaseDecreaseInOtherCurrentAssets" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMTEvZnJhZzoyYzBiOWFkOTdlYjI0NDI5YjA3YWRiZGMwNjIzYmE0Ni90YWJsZToxNmVlZjcwYjc4NGE0OGRhODcxODRjMzg5MzkyODI2Mi90YWJsZXJhbmdlOjE2ZWVmNzBiNzg0YTQ4ZGE4NzE4NGMzODkzOTI4MjYyXzIzLTMtMS0xLTY2Nw_94bf0170-f5f1-49f2-a5c2-b78b78704123">512</ix:nonFraction>&#160;</span></td></tr><tr><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:top;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:700;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">NET CASH PROVIDED BY OPERATING ACTIVITIES&#160;</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:NetCashProvidedByUsedInOperatingActivities" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMTEvZnJhZzoyYzBiOWFkOTdlYjI0NDI5YjA3YWRiZGMwNjIzYmE0Ni90YWJsZToxNmVlZjcwYjc4NGE0OGRhODcxODRjMzg5MzkyODI2Mi90YWJsZXJhbmdlOjE2ZWVmNzBiNzg0YTQ4ZGE4NzE4NGMzODkzOTI4MjYyXzI1LTEtMS0xLTY3MA_eb9644b8-4b75-4b3b-b9fe-ef6e3b59bc72">10,860</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="iae1008ff6a854658ab77be281aab8a0c_D20170101-20170630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:NetCashProvidedByUsedInOperatingActivities" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMTEvZnJhZzoyYzBiOWFkOTdlYjI0NDI5YjA3YWRiZGMwNjIzYmE0Ni90YWJsZToxNmVlZjcwYjc4NGE0OGRhODcxODRjMzg5MzkyODI2Mi90YWJsZXJhbmdlOjE2ZWVmNzBiNzg0YTQ4ZGE4NzE4NGMzODkzOTI4MjYyXzI1LTMtMS0xLTY3Mw_d30739bd-a9bf-4478-85f3-8bf1a9088db6">11,145</ix:nonFraction>&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:top;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:700;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">CASH FLOWS FROM INVESTING ACTIVITIES:&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:top;padding-left:18pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Purchase of rental equipment and property and equipment</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">(<ix:nonFraction unitRef="usd" contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:PaymentsToAcquirePropertyPlantAndEquipment" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMTEvZnJhZzoyYzBiOWFkOTdlYjI0NDI5YjA3YWRiZGMwNjIzYmE0Ni90YWJsZToxNmVlZjcwYjc4NGE0OGRhODcxODRjMzg5MzkyODI2Mi90YWJsZXJhbmdlOjE2ZWVmNzBiNzg0YTQ4ZGE4NzE4NGMzODkzOTI4MjYyXzI3LTEtMS0xLTY4MA_4ab9af44-4440-486b-8272-da604c926822">16,945</ix:nonFraction>)</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">(<ix:nonFraction unitRef="usd" contextRef="iae1008ff6a854658ab77be281aab8a0c_D20170101-20170630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:PaymentsToAcquirePropertyPlantAndEquipment" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMTEvZnJhZzoyYzBiOWFkOTdlYjI0NDI5YjA3YWRiZGMwNjIzYmE0Ni90YWJsZToxNmVlZjcwYjc4NGE0OGRhODcxODRjMzg5MzkyODI2Mi90YWJsZXJhbmdlOjE2ZWVmNzBiNzg0YTQ4ZGE4NzE4NGMzODkzOTI4MjYyXzI3LTMtMS0xLTY4NA_18aca219-b851-42b9-b0da-c7e006b16d8c">1,587</ix:nonFraction>)</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:top;padding-left:18pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Purchase of company owned life insurance</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">(<ix:nonFraction unitRef="usd" contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630" decimals="-3" name="us-gaap:PaymentsToAcquireLifeInsurancePolicies" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMTEvZnJhZzoyYzBiOWFkOTdlYjI0NDI5YjA3YWRiZGMwNjIzYmE0Ni90YWJsZToxNmVlZjcwYjc4NGE0OGRhODcxODRjMzg5MzkyODI2Mi90YWJsZXJhbmdlOjE2ZWVmNzBiNzg0YTQ4ZGE4NzE4NGMzODkzOTI4MjYyXzI4LTEtMS0xLTY4MA_dd45af09-4f32-4055-a2e9-5dfdb3df802c">191</ix:nonFraction>)</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">(<ix:nonFraction unitRef="usd" contextRef="iae1008ff6a854658ab77be281aab8a0c_D20170101-20170630" decimals="-3" name="us-gaap:PaymentsToAcquireLifeInsurancePolicies" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMTEvZnJhZzoyYzBiOWFkOTdlYjI0NDI5YjA3YWRiZGMwNjIzYmE0Ni90YWJsZToxNmVlZjcwYjc4NGE0OGRhODcxODRjMzg5MzkyODI2Mi90YWJsZXJhbmdlOjE2ZWVmNzBiNzg0YTQ4ZGE4NzE4NGMzODkzOTI4MjYyXzI4LTMtMS0xLTY4NA_3b9df5f8-b86d-4ca3-b967-099e339ce191">529</ix:nonFraction>)</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:top;padding-left:18pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Proceeds from sale of property and equipment&#160;</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630" decimals="-3" name="us-gaap:ProceedsFromSaleOfPropertyPlantAndEquipment" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMTEvZnJhZzoyYzBiOWFkOTdlYjI0NDI5YjA3YWRiZGMwNjIzYmE0Ni90YWJsZToxNmVlZjcwYjc4NGE0OGRhODcxODRjMzg5MzkyODI2Mi90YWJsZXJhbmdlOjE2ZWVmNzBiNzg0YTQ4ZGE4NzE4NGMzODkzOTI4MjYyXzI5LTEtMS0xLTY4MA_31dc6071-507d-4692-ab10-c9f432239561">49</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="iae1008ff6a854658ab77be281aab8a0c_D20170101-20170630" decimals="-3" name="us-gaap:ProceedsFromSaleOfPropertyPlantAndEquipment" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMTEvZnJhZzoyYzBiOWFkOTdlYjI0NDI5YjA3YWRiZGMwNjIzYmE0Ni90YWJsZToxNmVlZjcwYjc4NGE0OGRhODcxODRjMzg5MzkyODI2Mi90YWJsZXJhbmdlOjE2ZWVmNzBiNzg0YTQ4ZGE4NzE4NGMzODkzOTI4MjYyXzI5LTMtMS0xLTY4NA_db6e4427-5dfe-4f5c-a2fb-35487724d071">49</ix:nonFraction>&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:top;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:700;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">NET CASH USED IN INVESTING ACTIVITIES&#160;</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">(<ix:nonFraction unitRef="usd" contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630" decimals="-3" sign="-" format="ixt:numdotdecimal" name="us-gaap:NetCashProvidedByUsedInInvestingActivities" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMTEvZnJhZzoyYzBiOWFkOTdlYjI0NDI5YjA3YWRiZGMwNjIzYmE0Ni90YWJsZToxNmVlZjcwYjc4NGE0OGRhODcxODRjMzg5MzkyODI2Mi90YWJsZXJhbmdlOjE2ZWVmNzBiNzg0YTQ4ZGE4NzE4NGMzODkzOTI4MjYyXzMwLTEtMS0xLTY4MA_3490b3be-ac20-400e-a3e1-462916468f2d">17,087</ix:nonFraction>)</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">(<ix:nonFraction unitRef="usd" contextRef="iae1008ff6a854658ab77be281aab8a0c_D20170101-20170630" decimals="-3" sign="-" format="ixt:numdotdecimal" name="us-gaap:NetCashProvidedByUsedInInvestingActivities" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMTEvZnJhZzoyYzBiOWFkOTdlYjI0NDI5YjA3YWRiZGMwNjIzYmE0Ni90YWJsZToxNmVlZjcwYjc4NGE0OGRhODcxODRjMzg5MzkyODI2Mi90YWJsZXJhbmdlOjE2ZWVmNzBiNzg0YTQ4ZGE4NzE4NGMzODkzOTI4MjYyXzMwLTMtMS0xLTY4NA_489f19f8-84b8-49e9-8f5e-db1e09fe7bfc">2,067</ix:nonFraction>)</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:top;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:700;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">CASH FLOWS FROM FINANCING ACTIVITIES:&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:top;padding-left:18pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Payments from other long-term liabilities, net</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">(<ix:nonFraction unitRef="usd" contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630" decimals="-3" sign="-" name="ngs:ProceedsFromPurchaseCommitmentDiscountNet" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMTEvZnJhZzoyYzBiOWFkOTdlYjI0NDI5YjA3YWRiZGMwNjIzYmE0Ni90YWJsZToxNmVlZjcwYjc4NGE0OGRhODcxODRjMzg5MzkyODI2Mi90YWJsZXJhbmdlOjE2ZWVmNzBiNzg0YTQ4ZGE4NzE4NGMzODkzOTI4MjYyXzMyLTEtMS0xLTY5Nw_75bed69b-d003-4812-80ec-ec392e318ef7">19</ix:nonFraction>)</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">(<ix:nonFraction unitRef="usd" contextRef="iae1008ff6a854658ab77be281aab8a0c_D20170101-20170630" decimals="-3" sign="-" name="ngs:ProceedsFromPurchaseCommitmentDiscountNet" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMTEvZnJhZzoyYzBiOWFkOTdlYjI0NDI5YjA3YWRiZGMwNjIzYmE0Ni90YWJsZToxNmVlZjcwYjc4NGE0OGRhODcxODRjMzg5MzkyODI2Mi90YWJsZXJhbmdlOjE2ZWVmNzBiNzg0YTQ4ZGE4NzE4NGMzODkzOTI4MjYyXzMyLTMtMS0xLTcwMA_4678cd48-57d6-4a4b-8a59-d3ebe7a34a6a">7</ix:nonFraction>)</span></td></tr><tr><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td></tr><tr><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:top;padding-left:18pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Proceeds from exercise of stock options&#160;</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630" decimals="-3" name="us-gaap:ProceedsFromStockOptionsExercised" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMTEvZnJhZzoyYzBiOWFkOTdlYjI0NDI5YjA3YWRiZGMwNjIzYmE0Ni90YWJsZToxNmVlZjcwYjc4NGE0OGRhODcxODRjMzg5MzkyODI2Mi90YWJsZXJhbmdlOjE2ZWVmNzBiNzg0YTQ4ZGE4NzE4NGMzODkzOTI4MjYyXzM1LTEtMS0xLTY5Nw_42973279-e8ef-4746-9ff5-d101a22836db">157</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="iae1008ff6a854658ab77be281aab8a0c_D20170101-20170630" decimals="-3" name="us-gaap:ProceedsFromStockOptionsExercised" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMTEvZnJhZzoyYzBiOWFkOTdlYjI0NDI5YjA3YWRiZGMwNjIzYmE0Ni90YWJsZToxNmVlZjcwYjc4NGE0OGRhODcxODRjMzg5MzkyODI2Mi90YWJsZXJhbmdlOjE2ZWVmNzBiNzg0YTQ4ZGE4NzE4NGMzODkzOTI4MjYyXzM1LTMtMS0xLTcwMA_1c167050-58eb-4da4-99a2-2ad86656f887">517</ix:nonFraction>&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:top;padding-left:18pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Taxes paid related to net share settlement of equity awards</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">(<ix:nonFraction unitRef="usd" contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630" decimals="-3" name="us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMTEvZnJhZzoyYzBiOWFkOTdlYjI0NDI5YjA3YWRiZGMwNjIzYmE0Ni90YWJsZToxNmVlZjcwYjc4NGE0OGRhODcxODRjMzg5MzkyODI2Mi90YWJsZXJhbmdlOjE2ZWVmNzBiNzg0YTQ4ZGE4NzE4NGMzODkzOTI4MjYyXzM2LTEtMS0xLTY5Nw_c8b273e3-c0ec-4450-9dea-35ef7164ccc6">629</ix:nonFraction>)</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">(<ix:nonFraction unitRef="usd" contextRef="iae1008ff6a854658ab77be281aab8a0c_D20170101-20170630" decimals="-3" name="us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMTEvZnJhZzoyYzBiOWFkOTdlYjI0NDI5YjA3YWRiZGMwNjIzYmE0Ni90YWJsZToxNmVlZjcwYjc4NGE0OGRhODcxODRjMzg5MzkyODI2Mi90YWJsZXJhbmdlOjE2ZWVmNzBiNzg0YTQ4ZGE4NzE4NGMzODkzOTI4MjYyXzM2LTMtMS0xLTcwMA_14a0ae8c-8f72-4ff8-a53a-1ab5a0de1aef">644</ix:nonFraction>)</span></td></tr><tr><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><div style="line-height:100%;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:700;line-height:100%;vertical-align:bottom;">NET CASH USED IN&#160;FINANCING ACTIVITIES</span></div></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">(<ix:nonFraction unitRef="usd" contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630" decimals="-3" sign="-" name="us-gaap:NetCashProvidedByUsedInFinancingActivities" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMTEvZnJhZzoyYzBiOWFkOTdlYjI0NDI5YjA3YWRiZGMwNjIzYmE0Ni90YWJsZToxNmVlZjcwYjc4NGE0OGRhODcxODRjMzg5MzkyODI2Mi90YWJsZXJhbmdlOjE2ZWVmNzBiNzg0YTQ4ZGE4NzE4NGMzODkzOTI4MjYyXzM4LTEtMS0xLTcxMQ_10b9559e-c085-4f3c-b083-31e41c521d57">491</ix:nonFraction>)</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">(<ix:nonFraction unitRef="usd" contextRef="iae1008ff6a854658ab77be281aab8a0c_D20170101-20170630" decimals="-3" sign="-" name="us-gaap:NetCashProvidedByUsedInFinancingActivities" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMTEvZnJhZzoyYzBiOWFkOTdlYjI0NDI5YjA3YWRiZGMwNjIzYmE0Ni90YWJsZToxNmVlZjcwYjc4NGE0OGRhODcxODRjMzg5MzkyODI2Mi90YWJsZXJhbmdlOjE2ZWVmNzBiNzg0YTQ4ZGE4NzE4NGMzODkzOTI4MjYyXzM4LTMtMS0xLTcwOA_00e45b36-f75e-4468-ad38-5d3d2935a083">134</ix:nonFraction>)</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:top;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:700;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">NET CHANGE IN CASH AND CASH EQUIVALENTS&#160;</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">(<ix:nonFraction unitRef="usd" contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630" decimals="-3" sign="-" format="ixt:numdotdecimal" name="us-gaap:CashAndCashEquivalentsPeriodIncreaseDecrease" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMTEvZnJhZzoyYzBiOWFkOTdlYjI0NDI5YjA3YWRiZGMwNjIzYmE0Ni90YWJsZToxNmVlZjcwYjc4NGE0OGRhODcxODRjMzg5MzkyODI2Mi90YWJsZXJhbmdlOjE2ZWVmNzBiNzg0YTQ4ZGE4NzE4NGMzODkzOTI4MjYyXzM5LTEtMS0xLTcxMQ_3959bf3d-0710-436c-96a7-2545dee2972e">6,718</ix:nonFraction>)</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid ;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="iae1008ff6a854658ab77be281aab8a0c_D20170101-20170630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:CashAndCashEquivalentsPeriodIncreaseDecrease" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMTEvZnJhZzoyYzBiOWFkOTdlYjI0NDI5YjA3YWRiZGMwNjIzYmE0Ni90YWJsZToxNmVlZjcwYjc4NGE0OGRhODcxODRjMzg5MzkyODI2Mi90YWJsZXJhbmdlOjE2ZWVmNzBiNzg0YTQ4ZGE4NzE4NGMzODkzOTI4MjYyXzM5LTMtMS0xLTcwOA_c35ae51e-2a4d-4b5b-b173-c2c2f4468d4e">8,944</ix:nonFraction>&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:top;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:700;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD&#160;</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="ic4d3c0da31dc4a6d9e6a956840d0f98c_I20171231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:CashAndCashEquivalentsAtCarryingValue" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMTEvZnJhZzoyYzBiOWFkOTdlYjI0NDI5YjA3YWRiZGMwNjIzYmE0Ni90YWJsZToxNmVlZjcwYjc4NGE0OGRhODcxODRjMzg5MzkyODI2Mi90YWJsZXJhbmdlOjE2ZWVmNzBiNzg0YTQ4ZGE4NzE4NGMzODkzOTI4MjYyXzQwLTEtMS0xLTcxMQ_78c0b10c-e97a-49f2-a791-0043b18ea2f9">69,208</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="i5d64dfa5d4674ee687c339f0606addeb_I20161231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:CashAndCashEquivalentsAtCarryingValue" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMTEvZnJhZzoyYzBiOWFkOTdlYjI0NDI5YjA3YWRiZGMwNjIzYmE0Ni90YWJsZToxNmVlZjcwYjc4NGE0OGRhODcxODRjMzg5MzkyODI2Mi90YWJsZXJhbmdlOjE2ZWVmNzBiNzg0YTQ4ZGE4NzE4NGMzODkzOTI4MjYyXzQwLTMtMS0xLTcwOA_ccd4c356-760d-48c2-810b-5dac315b556b">64,094</ix:nonFraction>&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:top;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:700;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">CASH AND CASH EQUIVALENTS AT END OF PERIOD&#160;</span></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:1pt solid #000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="i4a0749d860044c61bf1ca42bfa4d1200_I20180630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:CashAndCashEquivalentsAtCarryingValue" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMTEvZnJhZzoyYzBiOWFkOTdlYjI0NDI5YjA3YWRiZGMwNjIzYmE0Ni90YWJsZToxNmVlZjcwYjc4NGE0OGRhODcxODRjMzg5MzkyODI2Mi90YWJsZXJhbmdlOjE2ZWVmNzBiNzg0YTQ4ZGE4NzE4NGMzODkzOTI4MjYyXzQxLTEtMS0xLTcxMQ_2a908261-e298-404f-8aa4-abfe362471e2">62,490</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:1pt solid #000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="ifaf7beb52b3548fcb1b665aeb3553709_I20170630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:CashAndCashEquivalentsAtCarryingValue" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMTEvZnJhZzoyYzBiOWFkOTdlYjI0NDI5YjA3YWRiZGMwNjIzYmE0Ni90YWJsZToxNmVlZjcwYjc4NGE0OGRhODcxODRjMzg5MzkyODI2Mi90YWJsZXJhbmdlOjE2ZWVmNzBiNzg0YTQ4ZGE4NzE4NGMzODkzOTI4MjYyXzQxLTMtMS0xLTcwOA_76dc42ce-5aeb-4918-9612-f0d208983e3b">73,038</ix:nonFraction>&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:top;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:700;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION:&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:3pt double #000;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:3pt double #000;padding-left:1pt;padding-right:1pt;"></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:top;padding-left:18pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Interest paid&#160;</span></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630" decimals="-3" name="us-gaap:InterestPaid" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMTEvZnJhZzoyYzBiOWFkOTdlYjI0NDI5YjA3YWRiZGMwNjIzYmE0Ni90YWJsZToxNmVlZjcwYjc4NGE0OGRhODcxODRjMzg5MzkyODI2Mi90YWJsZXJhbmdlOjE2ZWVmNzBiNzg0YTQ4ZGE4NzE4NGMzODkzOTI4MjYyXzQzLTEtMS0xLTcyMA_692c727e-c61c-4bf2-a748-ecb6afbf901d">6</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="iae1008ff6a854658ab77be281aab8a0c_D20170101-20170630" decimals="-3" name="us-gaap:InterestPaid" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMTEvZnJhZzoyYzBiOWFkOTdlYjI0NDI5YjA3YWRiZGMwNjIzYmE0Ni90YWJsZToxNmVlZjcwYjc4NGE0OGRhODcxODRjMzg5MzkyODI2Mi90YWJsZXJhbmdlOjE2ZWVmNzBiNzg0YTQ4ZGE4NzE4NGMzODkzOTI4MjYyXzQzLTMtMS0xLTcyMw_03bd260e-8e08-4435-b76e-38b9c4f77443">4</ix:nonFraction>&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:top;padding-left:18pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Income taxes paid&#160;</span></td><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630" decimals="-3" name="us-gaap:IncomeTaxesPaid" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMTEvZnJhZzoyYzBiOWFkOTdlYjI0NDI5YjA3YWRiZGMwNjIzYmE0Ni90YWJsZToxNmVlZjcwYjc4NGE0OGRhODcxODRjMzg5MzkyODI2Mi90YWJsZXJhbmdlOjE2ZWVmNzBiNzg0YTQ4ZGE4NzE4NGMzODkzOTI4MjYyXzQ0LTEtMS0xLTcyMA_baaca2e7-3df6-4e8d-b8f6-9886e3743164">66</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="iae1008ff6a854658ab77be281aab8a0c_D20170101-20170630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:IncomeTaxesPaid" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMTEvZnJhZzoyYzBiOWFkOTdlYjI0NDI5YjA3YWRiZGMwNjIzYmE0Ni90YWJsZToxNmVlZjcwYjc4NGE0OGRhODcxODRjMzg5MzkyODI2Mi90YWJsZXJhbmdlOjE2ZWVmNzBiNzg0YTQ4ZGE4NzE4NGMzODkzOTI4MjYyXzQ0LTMtMS0xLTcyMw_4d5b32da-89df-4741-9a04-c8b4a7d85daf">3,203</ix:nonFraction>&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:top;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:700;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">NON-CASH TRANSACTIONS</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:top;padding-left:18pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Transfer of rental equipment components to inventory</span></td><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630" decimals="-3" name="ngs:TransferOfRentalEquipmentToInventory" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMTEvZnJhZzoyYzBiOWFkOTdlYjI0NDI5YjA3YWRiZGMwNjIzYmE0Ni90YWJsZToxNmVlZjcwYjc4NGE0OGRhODcxODRjMzg5MzkyODI2Mi90YWJsZXJhbmdlOjE2ZWVmNzBiNzg0YTQ4ZGE4NzE4NGMzODkzOTI4MjYyXzQ2LTEtMS0xLTcyNg_95aa0f74-a988-4e39-babc-cb9d21d125f0">144</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="iae1008ff6a854658ab77be281aab8a0c_D20170101-20170630" decimals="-3" name="ngs:TransferOfRentalEquipmentToInventory" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMTEvZnJhZzoyYzBiOWFkOTdlYjI0NDI5YjA3YWRiZGMwNjIzYmE0Ni90YWJsZToxNmVlZjcwYjc4NGE0OGRhODcxODRjMzg5MzkyODI2Mi90YWJsZXJhbmdlOjE2ZWVmNzBiNzg0YTQ4ZGE4NzE4NGMzODkzOTI4MjYyXzQ2LTMtMS0xLTcyOQ_5f614ac5-6aed-434c-8bdd-77e2d8a7167b">48</ix:nonFraction>&#160;</span></td></tr><tr><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td></tr><tr><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td></tr></table></div><div style="line-height:120%;"><span><br/></span></div><div style="line-height:120%;text-align:center;"><span><br/></span></div><div style="line-height:120%;text-align:center;-sec-extract:summary;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">See accompanying notes to these unaudited condensed consolidated financial statements.</span></div><div id="i_0_125"></div><div style="line-height:120%;text-align:center;-sec-extract:summary;"></div><div style="position:relative;width:100%;height:45pt;width:100%;"><div style="position:absolute;bottom:0;width:100%;"><div style="text-align:center;-sec-extract:summary;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:115%;vertical-align:bottom;">3</span></div></div></div><hr style="page-break-after:always"></hr><div style="height:45pt;width:100%;"><div><span><br/></span></div></div><div style="line-height:120%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:700;line-height:120%;vertical-align:bottom;">Natural Gas Services Group, Inc.</span></div><div style="line-height:120%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:700;line-height:120%;vertical-align:bottom;">Notes to Condensed Consolidated Financial Statements</span></div><div style="line-height:120%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-style:italic;line-height:120%;vertical-align:bottom;">(unaudited)</span></div><div style="line-height:120%;"><span><br/></span></div><div id="i_0_139"></div><div style="line-height:120%;text-align:justify;"><span><br/></span></div><div style="line-height:120%;text-align:justify;-sec-extract:summary;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:700;line-height:120%;vertical-align:bottom;"> (1) <ix:nonNumeric contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630" name="us-gaap:BasisOfPresentationAndSignificantAccountingPoliciesTextBlock" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMzkvZnJhZzoxYTRmYTQzY2FlMjQ0ZmY1YmI1NTA0OGU4MmUwNDI5OC90ZXh0cmVnaW9uOjFhNGZhNDNjYWUyNDRmZjViYjU1MDQ4ZTgyZTA0Mjk4XzQyODgwOTUzNDk4NDMw_982d163c-b390-44df-9845-972e38669d17" continuedAt="ia5fceeac96904754bfb0a2050bcf5d34" escape="true">Basis of Presentation and Summary of Significant Accounting Policies</ix:nonNumeric></span></div><div style="line-height:120%;"><span><br/></span></div><ix:continuation id="ia5fceeac96904754bfb0a2050bcf5d34" continuedAt="iba42215ba51243f699ca2f6792bc0b0a"><ix:nonNumeric contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630" name="us-gaap:BasisOfAccountingPolicyPolicyTextBlock" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMzkvZnJhZzoxYTRmYTQzY2FlMjQ0ZmY1YmI1NTA0OGU4MmUwNDI5OC90ZXh0cmVnaW9uOjFhNGZhNDNjYWUyNDRmZjViYjU1MDQ4ZTgyZTA0Mjk4XzU0OTc1NTgxNTM2Njk_ddd806eb-008c-43e7-9483-a72dfe261980" escape="true"><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">These notes apply to the unaudited condensed consolidated financial statements of Natural Gas Services Group, Inc. a Colorado corporation&#160;(the "Company", &#8220;NGSG&#8221;, "Natural Gas Services Group", "we" or "our").&#160;&#160;The accompanying unaudited condensed consolidated financial statements include the accounts of the Company, its subsidiary, NGSG Properties, LLC and the rabbi trust associated with the Company's deferred compensations plan, see Note 4. All significant intercompany accounts and transactions for the periods presented have been eliminated in consolidation.</span></div><div style="line-height:120%;"><span><br/></span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">These&#160;financial statements include all adjustments, consisting of only normal recurring adjustments, which are necessary to make our financial position at June 30, 2018 and the results of our operations for the three and six months ended June 30, 2018 and 2017 not misleading.&#160;As permitted by the rules and regulations of the Securities and Exchange Commission (SEC), the accompanying condensed consolidated financial statements do not include all disclosures normally required by generally accepted accounting principles in the United States of America (GAAP).&#160;These financial statements should be read in conjunction</span><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:700;line-height:120%;vertical-align:bottom;">&#160;</span><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">with the financial statements included in our Annual Report on Form 10-K for the year ended December 31, 2017 on file with the SEC.&#160;&#160;In our opinion, the condensed consolidated financial statements are a fair presentation of the financial position, results of operations and cash flows for the periods presented.</span></div><div style="line-height:120%;"><span><br/></span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">The results of operations for the three and&#160;six months ended June 30, 2018 are not necessarily indicative of the results of operations to be expected for the full fiscal year ending December 31, 2018.</span></div></ix:nonNumeric><div style="line-height:120%;"><span><br/></span></div><ix:nonNumeric contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630" name="ngs:RevenueFromContractWithCustomerPolicyTextBlock" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMzkvZnJhZzoxYTRmYTQzY2FlMjQ0ZmY1YmI1NTA0OGU4MmUwNDI5OC90ZXh0cmVnaW9uOjFhNGZhNDNjYWUyNDRmZjViYjU1MDQ4ZTgyZTA0Mjk4XzU0OTc1NTgxNTM2NzA_f0df2934-3c18-4365-9ad8-21179d3615e6" continuedAt="i5106c7239d864914890f9b3dec9c12f7" escape="true"><div style="line-height:120%;margin-bottom:10pt;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-style:italic;font-weight:700;line-height:120%;vertical-align:bottom;">Revenue Recognition Policy</span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">The Company adopted ASC 606, Revenue from Contracts with Customers ("ASC 606") on January 1, 2018.&#160;As a result,&#160;the&#160;Company has changed its accounting policy for revenue recognition&#160;as detailed&#160;below.</span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;</span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">The Company applied ASC 606 using the cumulative effect method. We had no significant changes in our recognition of revenue at adoption and our review of all open revenue from contracts with customers on January 1, 2018 indicated we had no adjustment to be made. If an adjustment had been needed, we would have recognized the cumulative effect of initially applying ASC 606 with an adjustment to the opening balance of equity at January 1, 2018. Therefore, our consolidated financial statements for 2017 reported under ASC 605 are comparable to the consolidated financial statements for 2018 reported under ASC 606, since an adjustment was not needed, except for the respective additional disclosures as detailed below.&#160;</span></div><div style="text-indent:36pt;line-height:120%;"><span><br/></span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;margin-bottom:10pt;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">Revenue is measured based on a consideration specified in a customer&#8217;s contract, excluding any sale incentives and taxes collected on behalf of third parties (i.e. sales and property taxes).  We recognize revenue once a performance obligation has been satisfied and control over a product or service has transferred to the customer. Shipping and handling costs incurred are accounted for as fulfillment costs and are included in cost of revenues in our condensed consolidated income statement. </span></div><div style="line-height:120%;text-align:justify;margin-bottom:10pt;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-style:italic;line-height:120%;vertical-align:bottom;">Nature of goods and Services</span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;margin-bottom:10pt;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">The following is a description of principal activities from which the Company generates its revenue: </span></div><div style="line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-style:italic;line-height:120%;vertical-align:bottom;">Rental Revenue. </span><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">The Company generates revenue from renting compressors and flare systems to our customers. These contracts may also include a fee for servicing the compressor or flare during the rental contract. Our rental contracts range from six to twenty-four months, with revenue being recognized over time, in equal payments over the term of the contract. After the terms of the contract have expired,&#160;a&#160;customer may renew their contract or continue renting on a monthly basis thereafter. In accordance with generally accepted accounting principles, the revenue earned from servicing rental equipment is recognized in accordance with ASC 606</span><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-style:italic;line-height:120%;vertical-align:bottom;">, </span><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">while the revenue earned from the rental of the equipment is recognized in accordance with</span><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-style:italic;line-height:120%;vertical-align:bottom;">&#160;</span><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">ASC 840 </span><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-style:italic;line-height:120%;vertical-align:bottom;">- Leases</span><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">. </span></div><div style="padding-left:36pt;line-height:120%;text-align:justify;"><span><br/></span></div><div style="line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-style:italic;line-height:120%;vertical-align:bottom;">Sales Revenue.</span><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"> The Company generates revenue by the sale of custom/fabricated compressors, flare systems and parts, as well as, exchange/rebuilding customer owned compressors and sale of used rental equipment. </span></div><div style="line-height:120%;text-align:justify;"><span><br/></span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">Custom/fabricated compressors and flare systems - The Company designs and fabricates compressors and flares based on the customer&#8217;s specifications outlined in their contract. Though the equipment being built is customized by the customer, </span></div></ix:nonNumeric></ix:continuation><div style="position:relative;width:100%;height:45pt;width:100%;"><div style="position:absolute;bottom:0;width:100%;"><div style="text-align:center;-sec-extract:summary;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:115%;vertical-align:bottom;">4</span></div></div></div><hr style="page-break-after:always"></hr><div style="height:45pt;width:100%;"><div><span><br/></span></div></div><ix:continuation id="iba42215ba51243f699ca2f6792bc0b0a" continuedAt="ib69ce8be5c7747ae802945e46ffad615"><ix:continuation id="i5106c7239d864914890f9b3dec9c12f7"><div style="line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">control under these contracts does not pass to the customer until the compressor or flare package is complete and shipped, or in accordance with a bill and hold arrangements the customer accepts title and assumes the risk and rewards of ownership. We request some of our customers to make progressive payments as the product is being built; these payments are recorded as a contract liability on the Deferred Income line on the condensed consolidated balance sheet until control has been transferred. These contracts also may include an assurance warranty clause to guarantee the product is free from defects in material and workmanship for a set duration of time; this is a standard industry practice and is not considered a performance obligation. </span></div><div style="padding-left:72pt;line-height:120%;text-align:justify;"><span><br/></span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;margin-bottom:10pt;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">From time to time, upon the customer&#8217;s written request, we recognize revenue when manufacturing is complete and the equipment is ready for shipment. At the customer&#8217;s request, we will bill the customer upon completing all performance obligations, but before shipment. The customer will formally request we ship the equipment per their direction from our manufacturing facility at a later specified date and that we segregate the equipment from our finished goods, such that they are not available to fill other orders. Per the customer&#8217;s agreement&#160;change of control is passed to the customer once the equipment is complete and ready for shipment. We have operated using bill and hold agreements with certain customers for many years, with consistent satisfactory results for both the customer and us. The credit terms on these agreements are consistent with the credit terms on all other sales. All control&#160;shouldered by the customer, and there are no exceptions to the customer&#8217;s commitment to accept and pay for the manufactured equipment. Revenues recognized at the completion of manufacturing for the six months ended June 30, 2018 was approximately&#160;$<ix:nonFraction unitRef="usd" contextRef="i0d22d73a73dc4ecf893e12eaa250ad79_D20180101-20180630" decimals="-5" format="ixt:numdotdecimal" name="us-gaap:Revenues" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMzkvZnJhZzoxYTRmYTQzY2FlMjQ0ZmY1YmI1NTA0OGU4MmUwNDI5OC90ZXh0cmVnaW9uOjFhNGZhNDNjYWUyNDRmZjViYjU1MDQ4ZTgyZTA0Mjk4XzI3NDg3NzkwODM4NzA_7542140e-c7a9-42ab-8892-39a25e782948">6.3</ix:nonFraction> million.</span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">Parts</span><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-style:italic;line-height:120%;vertical-align:bottom;"> - </span><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">Revenue is recognized after the customer obtains control of the parts. Control is passed either by the customer taking physical possession or the parts being shipped. The amount of revenue recognized is not adjusted for expected returns, as our historical part returns have been de minimis. </span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span><br/></span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">Exchange or rebuilding customer owned compressors - Based on the contract, the Company will either exchange a new/rebuilt compressor for the customer&#8217;s malfunctioning compressor or rebuild the customer&#8217;s compressor. Revenue is recognized after control of the replacement compressor has transferred to the customer by physical delivery, delivery and installment or shipment of the compressor.</span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span><br/></span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">Used compressors or flares - From time to time, a customer may request to purchase a used compressor or flare out of our rental fleet. Revenue from the sale of rental equipment is recognized when the control has passed to the customer, when the customer has taken physical possession or the equipment has been shipped.</span></div><div style="padding-left:72pt;line-height:120%;text-align:justify;"><span><br/></span></div><div style="line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-style:italic;line-height:120%;vertical-align:bottom;">Service and Maintenance Revenue</span><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">. The Company provides routine or call-out services on customer owned equipment. Revenue is recognized after services in the contract are rendered. </span></div><div style="line-height:120%;"><span><br/></span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">Payment terms for sales revenue and service and maintenance revenue discussed above are generally 30 to 60 days although terms for specific customers can vary. Also, the transaction prices are not subject to variable consideration constraints.</span></div></ix:continuation><div style="line-height:120%;"><span><br/></span></div><div style="line-height:120%;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-style:italic;font-weight:700;line-height:120%;vertical-align:bottom;">Disaggregation of Revenue</span></div><div style="line-height:120%;"><span><br/></span></div><ix:nonNumeric contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630" name="us-gaap:DisaggregationOfRevenueTableTextBlock" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMzkvZnJhZzoxYTRmYTQzY2FlMjQ0ZmY1YmI1NTA0OGU4MmUwNDI5OC90ZXh0cmVnaW9uOjFhNGZhNDNjYWUyNDRmZjViYjU1MDQ4ZTgyZTA0Mjk4XzYwNDczMTM5Njc1NjI_6e4db4bd-c2ac-4ecc-a2d7-751bbd82560f" escape="true"><div style="line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">The following table shows the Company's revenue disaggregated by product or service type for the three and six months ended June 30, 2018 and 2017:</span></div><div style="line-height:120%;text-align:justify;"><span><br/></span></div><div style="line-height:120%;text-align:center;"><span><br/></span></div><div style="text-align:center;"><table style="margin-left:auto;margin-right:auto;border-collapse:collapse;text-align:left;text-indent:0pt;display:inline-table;width:99.990000%;"><tr><td style="width:1.0%;"></td><td style="width:32.210526%;"></td><td style="width:1.0%;"></td><td style="width:1.0%;"></td><td style="width:10.134503%;"></td><td style="width:1.0%;"></td><td style="width:1.0%;"></td><td style="width:4.432749%;"></td><td style="width:1.0%;"></td><td style="width:1.0%;"></td><td style="width:12.181287%;"></td><td style="width:1.0%;"></td><td style="width:1.0%;"></td><td style="width:1.508772%;"></td><td style="width:1.0%;"></td><td style="width:1.0%;"></td><td style="width:9.695906%;"></td><td style="width:1.0%;"></td><td style="width:1.0%;"></td><td style="width:4.140351%;"></td><td style="width:1.0%;"></td><td style="width:1.0%;"></td><td style="width:9.695906%;"></td><td style="width:1.0%;"></td></tr><tr><td colspan="3" style="height:21pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="9" style="padding-top:2px;padding-bottom:2px;height:21pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">Three months ended June 30,</span></div></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="height:21pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="9" style="padding-top:2px;padding-bottom:2px;height:21pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">Six months ended June 30,</span></div></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td></tr><tr><td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="9" style="padding-top:2px;padding-bottom:2px;height:15pt;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-style:italic;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">(in thousands)</span></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="9" style="padding-top:2px;padding-bottom:2px;height:15pt;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-style:italic;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">(in thousands)</span></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td></tr><tr><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">2018&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">2017&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">2018&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">2017&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Compressors - sales</span></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="i02d5c9791f114f8998859b349b181455_D20180401-20180630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMzkvZnJhZzoxYTRmYTQzY2FlMjQ0ZmY1YmI1NTA0OGU4MmUwNDI5OC90YWJsZToyYzAzY2EyOWZjZmY0YTBlYWI1YTQ3YzBjNDE2OTZhNy90YWJsZXJhbmdlOjJjMDNjYTI5ZmNmZjRhMGVhYjVhNDdjMGM0MTY5NmE3XzAxY0FBQUFBd0FBQUFNQUFBQUJBQUFBQVFBQUFBQUFBQlBaQUFBJTNE_9cfc2be6-0407-45b0-8072-7f7fd68e3d9e">4,735</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="iacddec0f3a8645639c4109b9370a1bd1_D20170401-20170630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMzkvZnJhZzoxYTRmYTQzY2FlMjQ0ZmY1YmI1NTA0OGU4MmUwNDI5OC90YWJsZToyYzAzY2EyOWZjZmY0YTBlYWI1YTQ3YzBjNDE2OTZhNy90YWJsZXJhbmdlOjJjMDNjYTI5ZmNmZjRhMGVhYjVhNDdjMGM0MTY5NmE3XzAxYUFBQUFBd0FBQUFNQUFBQURBQUFBQXdBQUFBQUFBQlBpQUFBJTNE_0b50ebc2-c5be-4619-b23e-e5e9b8788599">2,980</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="i220856e3235d4388809f68229baaaccf_D20180101-20180630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMzkvZnJhZzoxYTRmYTQzY2FlMjQ0ZmY1YmI1NTA0OGU4MmUwNDI5OC90YWJsZToyYzAzY2EyOWZjZmY0YTBlYWI1YTQ3YzBjNDE2OTZhNy90YWJsZXJhbmdlOjJjMDNjYTI5ZmNmZjRhMGVhYjVhNDdjMGM0MTY5NmE3XzAyMzVBQUFBQXdBQUFBTUFBQUFFQUFBQUJBQUFBQUFBQUFrNUFBQSUzRA_53667927-4653-418c-91df-d139ecdce3a1">6,564</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="idf5ae10b8b0f4ae2b8c747e54af0796c_D20170101-20170630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMzkvZnJhZzoxYTRmYTQzY2FlMjQ0ZmY1YmI1NTA0OGU4MmUwNDI5OC90YWJsZToyYzAzY2EyOWZjZmY0YTBlYWI1YTQ3YzBjNDE2OTZhNy90YWJsZXJhbmdlOjJjMDNjYTI5ZmNmZjRhMGVhYjVhNDdjMGM0MTY5NmE3XzAyMzNBQUFBQXdBQUFBTUFBQUFHQUFBQUJnQUFBQUFBQUFsQUFBQSUzRA_43d0710e-7aaa-48ed-99f2-cba8b38a2141">8,620</ix:nonFraction>&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Flares - sales</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="i29fef94ae5d64b178fee6cb2a1476b7f_D20180401-20180630" decimals="-3" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMzkvZnJhZzoxYTRmYTQzY2FlMjQ0ZmY1YmI1NTA0OGU4MmUwNDI5OC90YWJsZToyYzAzY2EyOWZjZmY0YTBlYWI1YTQ3YzBjNDE2OTZhNy90YWJsZXJhbmdlOjJjMDNjYTI5ZmNmZjRhMGVhYjVhNDdjMGM0MTY5NmE3XzAyMTFBQUFBQkFBQUFBUUFBQUFCQUFBQUFRQUFBQUFBQUJQYkFBQSUzRA_e3ecb0a7-ff47-4e60-acc0-3364d7660516">969</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="ic10ba1f40c1b4ea49cf0cf350618ad75_D20170401-20170630" decimals="-3" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMzkvZnJhZzoxYTRmYTQzY2FlMjQ0ZmY1YmI1NTA0OGU4MmUwNDI5OC90YWJsZToyYzAzY2EyOWZjZmY0YTBlYWI1YTQ3YzBjNDE2OTZhNy90YWJsZXJhbmdlOjJjMDNjYTI5ZmNmZjRhMGVhYjVhNDdjMGM0MTY5NmE3XzAyMWZBQUFBQkFBQUFBUUFBQUFEQUFBQUF3QUFBQUFBQUJQakFBQSUzRA_5f2ffd53-7644-4df4-94d0-daf6449fee55">562</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="i968c5acc83014e878074a5a269bd735e_D20180101-20180630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMzkvZnJhZzoxYTRmYTQzY2FlMjQ0ZmY1YmI1NTA0OGU4MmUwNDI5OC90YWJsZToyYzAzY2EyOWZjZmY0YTBlYWI1YTQ3YzBjNDE2OTZhNy90YWJsZXJhbmdlOjJjMDNjYTI5ZmNmZjRhMGVhYjVhNDdjMGM0MTY5NmE3XzAyMjBBQUFBQkFBQUFBUUFBQUFFQUFBQUJBQUFBQUFBQUFrM0FBQSUzRA_91a3fe1d-7098-46ed-936e-a6306824e877">1,491</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="idf71215cb2874a24921a618be03907d1_D20170101-20170630" decimals="-3" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMzkvZnJhZzoxYTRmYTQzY2FlMjQ0ZmY1YmI1NTA0OGU4MmUwNDI5OC90YWJsZToyYzAzY2EyOWZjZmY0YTBlYWI1YTQ3YzBjNDE2OTZhNy90YWJsZXJhbmdlOjJjMDNjYTI5ZmNmZjRhMGVhYjVhNDdjMGM0MTY5NmE3XzAyMmVBQUFBQkFBQUFBUUFBQUFHQUFBQUJnQUFBQUFBQUFsQkFBQSUzRA_7e524b77-e3dd-4e02-bed8-b7e4be411d8e">831</ix:nonFraction>&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Other (Parts/Rebuilds) - sales</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="ief599674ea0446e69b9a0f2b255556cf_D20180401-20180630" decimals="-3" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMzkvZnJhZzoxYTRmYTQzY2FlMjQ0ZmY1YmI1NTA0OGU4MmUwNDI5OC90YWJsZToyYzAzY2EyOWZjZmY0YTBlYWI1YTQ3YzBjNDE2OTZhNy90YWJsZXJhbmdlOjJjMDNjYTI5ZmNmZjRhMGVhYjVhNDdjMGM0MTY5NmE3XzAyMTJBQUFBQlFBQUFBVUFBQUFCQUFBQUFRQUFBQUFBQUJQYUFBQSUzRA_54a1e2b3-a328-47d7-9561-0cd753094be8">679</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="ib528d352f2364c1cafc0346c9fe028bb_D20170401-20170630" decimals="-3" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMzkvZnJhZzoxYTRmYTQzY2FlMjQ0ZmY1YmI1NTA0OGU4MmUwNDI5OC90YWJsZToyYzAzY2EyOWZjZmY0YTBlYWI1YTQ3YzBjNDE2OTZhNy90YWJsZXJhbmdlOjJjMDNjYTI5ZmNmZjRhMGVhYjVhNDdjMGM0MTY5NmE3XzAyMWNBQUFBQlFBQUFBVUFBQUFEQUFBQUF3QUFBQUFBQUJQaEFBQSUzRA_0d054526-ab6f-41d5-9d88-f05892431a19">866</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="id12b140a9df2449c8c60b49f0e7a174c_D20180101-20180630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMzkvZnJhZzoxYTRmYTQzY2FlMjQ0ZmY1YmI1NTA0OGU4MmUwNDI5OC90YWJsZToyYzAzY2EyOWZjZmY0YTBlYWI1YTQ3YzBjNDE2OTZhNy90YWJsZXJhbmdlOjJjMDNjYTI5ZmNmZjRhMGVhYjVhNDdjMGM0MTY5NmE3XzAyMjNBQUFBQlFBQUFBVUFBQUFFQUFBQUJBQUFBQUFBQUFrNEFBQSUzRA_f31d3445-1fcc-4347-b7e3-ba8a40efd9c9">1,326</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="i30e4baac271244aca8c053a7047b8f68_D20170101-20170630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMzkvZnJhZzoxYTRmYTQzY2FlMjQ0ZmY1YmI1NTA0OGU4MmUwNDI5OC90YWJsZToyYzAzY2EyOWZjZmY0YTBlYWI1YTQ3YzBjNDE2OTZhNy90YWJsZXJhbmdlOjJjMDNjYTI5ZmNmZjRhMGVhYjVhNDdjMGM0MTY5NmE3XzAyMmRBQUFBQlFBQUFBVUFBQUFHQUFBQUJnQUFBQUFBQUFrJTJGQUFBJTNE_45c4240b-25c0-453c-b613-8760a2a879f9">1,593</ix:nonFraction>&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><div style="line-height:100%;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">Service and maintenance </span><sup style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:6.5pt;font-weight:400;line-height:100%;vertical-align:bottom;vertical-align:top;">1</sup></div></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="i8dd14a6624eb4309a15ccb85a55a83a5_D20180401-20180630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMzkvZnJhZzoxYTRmYTQzY2FlMjQ0ZmY1YmI1NTA0OGU4MmUwNDI5OC90YWJsZToyYzAzY2EyOWZjZmY0YTBlYWI1YTQ3YzBjNDE2OTZhNy90YWJsZXJhbmdlOjJjMDNjYTI5ZmNmZjRhMGVhYjVhNDdjMGM0MTY5NmE3XzAyMTdBQUFBQmdBQUFBWUFBQUFCQUFBQUFRQUFBQUFBQUJQZEFBQSUzRA_5199762b-6210-479c-8b92-f4a1676abe93">4,964</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="i1b1e2c6c5cb14ddf8221ae4d34792446_D20170401-20170630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMzkvZnJhZzoxYTRmYTQzY2FlMjQ0ZmY1YmI1NTA0OGU4MmUwNDI5OC90YWJsZToyYzAzY2EyOWZjZmY0YTBlYWI1YTQ3YzBjNDE2OTZhNy90YWJsZXJhbmdlOjJjMDNjYTI5ZmNmZjRhMGVhYjVhNDdjMGM0MTY5NmE3XzAyMWJBQUFBQmdBQUFBWUFBQUFEQUFBQUF3QUFBQUFBQUJQa0FBQSUzRA_ce0e3d70-9283-4f28-ae21-47ef57471040">4,959</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="ic4326a21d1654a30a9790fded0c1907d_D20180101-20180630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMzkvZnJhZzoxYTRmYTQzY2FlMjQ0ZmY1YmI1NTA0OGU4MmUwNDI5OC90YWJsZToyYzAzY2EyOWZjZmY0YTBlYWI1YTQ3YzBjNDE2OTZhNy90YWJsZXJhbmdlOjJjMDNjYTI5ZmNmZjRhMGVhYjVhNDdjMGM0MTY5NmE3XzAyMjRBQUFBQmdBQUFBWUFBQUFFQUFBQUJBQUFBQUFBQUFrNkFBQSUzRA_3d392645-463b-4e8d-84f4-57be2aa369c7">9,801</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="i5622e7a47c5647598f4a7f5c6491fcf5_D20170101-20170630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMzkvZnJhZzoxYTRmYTQzY2FlMjQ0ZmY1YmI1NTA0OGU4MmUwNDI5OC90YWJsZToyYzAzY2EyOWZjZmY0YTBlYWI1YTQ3YzBjNDE2OTZhNy90YWJsZXJhbmdlOjJjMDNjYTI5ZmNmZjRhMGVhYjVhNDdjMGM0MTY5NmE3XzAyMjhBQUFBQmdBQUFBWUFBQUFHQUFBQUJnQUFBQUFBQUFsREFBQSUzRA_dd4b2915-4fe3-44c1-bb63-f72ffc75f52f">10,075</ix:nonFraction>&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Total revenue from contracts with customers</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="i486ae96497a44bee87d62f2f3d814d35_D20180401-20180630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMzkvZnJhZzoxYTRmYTQzY2FlMjQ0ZmY1YmI1NTA0OGU4MmUwNDI5OC90YWJsZToyYzAzY2EyOWZjZmY0YTBlYWI1YTQ3YzBjNDE2OTZhNy90YWJsZXJhbmdlOjJjMDNjYTI5ZmNmZjRhMGVhYjVhNDdjMGM0MTY5NmE3XzAyMTZBQUFBQndBQUFBY0FBQUFCQUFBQUFRQUFBQUFBQUJQY0FBQSUzRA_b4ea7592-bb32-4f2e-867c-f9e3422bfaf4">11,347</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="i201ed1d2fdd042c0bd171af3de0e4482_D20170401-20170630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMzkvZnJhZzoxYTRmYTQzY2FlMjQ0ZmY1YmI1NTA0OGU4MmUwNDI5OC90YWJsZToyYzAzY2EyOWZjZmY0YTBlYWI1YTQ3YzBjNDE2OTZhNy90YWJsZXJhbmdlOjJjMDNjYTI5ZmNmZjRhMGVhYjVhNDdjMGM0MTY5NmE3XzAyMWFBQUFBQndBQUFBY0FBQUFEQUFBQUF3QUFBQUFBQUJQbUFBQSUzRA_556a39cf-4fd3-4810-8324-892213b26182">9,367</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMzkvZnJhZzoxYTRmYTQzY2FlMjQ0ZmY1YmI1NTA0OGU4MmUwNDI5OC90YWJsZToyYzAzY2EyOWZjZmY0YTBlYWI1YTQ3YzBjNDE2OTZhNy90YWJsZXJhbmdlOjJjMDNjYTI5ZmNmZjRhMGVhYjVhNDdjMGM0MTY5NmE3XzAyMjVBQUFBQndBQUFBY0FBQUFFQUFBQUJBQUFBQUFBQUFrOEFBQSUzRA_598839f6-13f3-4398-96cc-4996c60491de">19,182</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="iae1008ff6a854658ab77be281aab8a0c_D20170101-20170630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMzkvZnJhZzoxYTRmYTQzY2FlMjQ0ZmY1YmI1NTA0OGU4MmUwNDI5OC90YWJsZToyYzAzY2EyOWZjZmY0YTBlYWI1YTQ3YzBjNDE2OTZhNy90YWJsZXJhbmdlOjJjMDNjYTI5ZmNmZjRhMGVhYjVhNDdjMGM0MTY5NmE3XzAyMjlBQUFBQndBQUFBY0FBQUFHQUFBQUJnQUFBQUFBQUFsQ0FBQSUzRA_d7a7a29e-96fa-415b-859b-aa7c9512eb8a">21,119</ix:nonFraction>&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Add: non-ASC 606 rental revenue</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="i486ae96497a44bee87d62f2f3d814d35_D20180401-20180630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:RentalIncomeNonoperating" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMzkvZnJhZzoxYTRmYTQzY2FlMjQ0ZmY1YmI1NTA0OGU4MmUwNDI5OC90YWJsZToyYzAzY2EyOWZjZmY0YTBlYWI1YTQ3YzBjNDE2OTZhNy90YWJsZXJhbmdlOjJjMDNjYTI5ZmNmZjRhMGVhYjVhNDdjMGM0MTY5NmE3XzAyZTlBQUFBQ0FBQUFBZ0FBQUFCQUFBQUFRQUFBQUFBQUJQZUFBQSUzRA_7c2df137-07fb-4d8c-a684-9000ebb56728">6,857</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="i201ed1d2fdd042c0bd171af3de0e4482_D20170401-20170630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:RentalIncomeNonoperating" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMzkvZnJhZzoxYTRmYTQzY2FlMjQ0ZmY1YmI1NTA0OGU4MmUwNDI5OC90YWJsZToyYzAzY2EyOWZjZmY0YTBlYWI1YTQ3YzBjNDE2OTZhNy90YWJsZXJhbmdlOjJjMDNjYTI5ZmNmZjRhMGVhYjVhNDdjMGM0MTY5NmE3XzAyZTVBQUFBQ0FBQUFBZ0FBQUFEQUFBQUF3QUFBQUFBQUJQbEFBQSUzRA_37c2e7ce-6064-48fa-b104-a5352b4639d8">6,851</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:RentalIncomeNonoperating" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMzkvZnJhZzoxYTRmYTQzY2FlMjQ0ZmY1YmI1NTA0OGU4MmUwNDI5OC90YWJsZToyYzAzY2EyOWZjZmY0YTBlYWI1YTQ3YzBjNDE2OTZhNy90YWJsZXJhbmdlOjJjMDNjYTI5ZmNmZjRhMGVhYjVhNDdjMGM0MTY5NmE3XzAyZGFBQUFBQ0FBQUFBZ0FBQUFFQUFBQUJBQUFBQUFBQUFrOUFBQSUzRA_96106b66-3cb2-48fb-9356-9abecb7c7532">13,740</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="iae1008ff6a854658ab77be281aab8a0c_D20170101-20170630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:RentalIncomeNonoperating" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMzkvZnJhZzoxYTRmYTQzY2FlMjQ0ZmY1YmI1NTA0OGU4MmUwNDI5OC90YWJsZToyYzAzY2EyOWZjZmY0YTBlYWI1YTQ3YzBjNDE2OTZhNy90YWJsZXJhbmdlOjJjMDNjYTI5ZmNmZjRhMGVhYjVhNDdjMGM0MTY5NmE3XzAyZDZBQUFBQ0FBQUFBZ0FBQUFHQUFBQUJnQUFBQUFBQUFsRUFBQSUzRA_53311ca9-11cf-4c3b-9f24-26e615ba21f1">14,001</ix:nonFraction>&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Total revenue</span></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="i486ae96497a44bee87d62f2f3d814d35_D20180401-20180630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:Revenues" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMzkvZnJhZzoxYTRmYTQzY2FlMjQ0ZmY1YmI1NTA0OGU4MmUwNDI5OC90YWJsZToyYzAzY2EyOWZjZmY0YTBlYWI1YTQ3YzBjNDE2OTZhNy90YWJsZXJhbmdlOjJjMDNjYTI5ZmNmZjRhMGVhYjVhNDdjMGM0MTY5NmE3XzAyZThBQUFBQ1FBQUFBa0FBQUFCQUFBQUFRQUFBQUFBQUJQZkFBQSUzRA_45f3f95a-1961-4f2a-9b17-964a412c5f77">18,204</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="i201ed1d2fdd042c0bd171af3de0e4482_D20170401-20170630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:Revenues" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMzkvZnJhZzoxYTRmYTQzY2FlMjQ0ZmY1YmI1NTA0OGU4MmUwNDI5OC90YWJsZToyYzAzY2EyOWZjZmY0YTBlYWI1YTQ3YzBjNDE2OTZhNy90YWJsZXJhbmdlOjJjMDNjYTI5ZmNmZjRhMGVhYjVhNDdjMGM0MTY5NmE3XzAyZTRBQUFBQ1FBQUFBa0FBQUFEQUFBQUF3QUFBQUFBQUJQbkFBQSUzRA_d36ded5e-d422-4696-9166-2bb79cc5608e">16,218</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:Revenues" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMzkvZnJhZzoxYTRmYTQzY2FlMjQ0ZmY1YmI1NTA0OGU4MmUwNDI5OC90YWJsZToyYzAzY2EyOWZjZmY0YTBlYWI1YTQ3YzBjNDE2OTZhNy90YWJsZXJhbmdlOjJjMDNjYTI5ZmNmZjRhMGVhYjVhNDdjMGM0MTY5NmE3XzAyZGJBQUFBQ1FBQUFBa0FBQUFFQUFBQUJBQUFBQUFBQUFrN0FBQSUzRA_62972f9e-07ec-401f-a2bd-789d51e81441">32,922</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="iae1008ff6a854658ab77be281aab8a0c_D20170101-20170630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:Revenues" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMzkvZnJhZzoxYTRmYTQzY2FlMjQ0ZmY1YmI1NTA0OGU4MmUwNDI5OC90YWJsZToyYzAzY2EyOWZjZmY0YTBlYWI1YTQ3YzBjNDE2OTZhNy90YWJsZXJhbmdlOjJjMDNjYTI5ZmNmZjRhMGVhYjVhNDdjMGM0MTY5NmE3XzAyZDdBQUFBQ1FBQUFBa0FBQUFHQUFBQUJnQUFBQUFBQUFsRkFBQSUzRA_fa6e432c-fe94-4e81-b686-fa49a7f3ad08">35,120</ix:nonFraction>&#160;</span></td></tr></table></div><div style="line-height:120%;text-align:center;"><span><br/></span></div><div style="line-height:120%;text-align:justify;"><sup style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:6.5pt;line-height:120%;vertical-align:bottom;vertical-align:top;">1</sup><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">Service and maintenance includes revenue from servicing our own rental equipment contracted to customers and third party equipment.</span></div></ix:nonNumeric></ix:continuation><div style="line-height:120%;"><span><br/></span></div><div style="position:relative;width:100%;height:45pt;width:100%;"><div style="position:absolute;bottom:0;width:100%;"><div style="text-align:center;-sec-extract:summary;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:115%;vertical-align:bottom;">5</span></div></div></div><hr style="page-break-after:always"></hr><div style="height:45pt;width:100%;"><div><span><br/></span></div></div><ix:continuation id="ib69ce8be5c7747ae802945e46ffad615" continuedAt="iee3215094c51497ca2059e3197d2c994"><div style="line-height:120%;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-style:italic;font-weight:700;line-height:120%;vertical-align:bottom;">Contract Balances</span></div><div style="text-indent:108pt;line-height:120%;"><span><br/></span></div><ix:nonNumeric contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630" name="us-gaap:ContractWithCustomerAssetAndLiabilityTableTextBlock" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMzkvZnJhZzoxYTRmYTQzY2FlMjQ0ZmY1YmI1NTA0OGU4MmUwNDI5OC90ZXh0cmVnaW9uOjFhNGZhNDNjYWUyNDRmZjViYjU1MDQ4ZTgyZTA0Mjk4XzYwNDczMTM5Njc1NjM_49445408-7dc2-455c-8ef0-8c53beb029c0" escape="true"><div style="text-indent:36pt;line-height:120%;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">As of June 30, 2018 and December 31, 2017, we had the following receivables and deferred income from contracts with customers:&#160;</span></div><div style="text-indent:18pt;line-height:120%;"><span><br/></span></div><div style="line-height:120%;text-align:center;"><span><br/></span></div><div style="text-align:center;"><table style="margin-left:auto;margin-right:auto;border-collapse:collapse;text-align:left;text-indent:0pt;display:inline-table;width:99.561404%;"><tr><td style="width:1.0%;"></td><td style="width:62.317181%;"></td><td style="width:1.0%;"></td><td style="width:1.0%;"></td><td style="width:14.593245%;"></td><td style="width:1.0%;"></td><td style="width:1.0%;"></td><td style="width:2.296329%;"></td><td style="width:1.0%;"></td><td style="width:1.0%;"></td><td style="width:14.593245%;"></td><td style="width:1.0%;"></td></tr><tr><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">June 30, 2018</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">December 31, 2017</span></td></tr><tr><td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="9" style="padding-top:2px;padding-bottom:2px;height:15pt;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-style:italic;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">(in thousands)</span></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Accounts Receivable</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;padding-right:1pt;"></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#ffffff;text-align:left;vertical-align:bottom;padding-left:18pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Accounts receivable - contracts with customers</span></td><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="i4a0749d860044c61bf1ca42bfa4d1200_I20180630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:ContractWithCustomerAssetNetCurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMzkvZnJhZzoxYTRmYTQzY2FlMjQ0ZmY1YmI1NTA0OGU4MmUwNDI5OC90YWJsZTpjNWMzMGE5ZWM4YTA0ZTgxYjZlM2NkNDlkZTZhY2FjYi90YWJsZXJhbmdlOmM1YzMwYTllYzhhMDRlODFiNmUzY2Q0OWRlNmFjYWNiXzAxY0FBQUFBd0FBQUFNQUFBQUJBQUFBQVFBQUFBQUFBQWxIQUFBJTNE_8a0a5f9d-4ba1-4a94-b666-b53508a56992">7,001</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="ic4d3c0da31dc4a6d9e6a956840d0f98c_I20171231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:ContractWithCustomerAssetNetCurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMzkvZnJhZzoxYTRmYTQzY2FlMjQ0ZmY1YmI1NTA0OGU4MmUwNDI5OC90YWJsZTpjNWMzMGE5ZWM4YTA0ZTgxYjZlM2NkNDlkZTZhY2FjYi90YWJsZXJhbmdlOmM1YzMwYTllYzhhMDRlODFiNmUzY2Q0OWRlNmFjYWNiXzAxYUFBQUFBd0FBQUFNQUFBQURBQUFBQXdBQUFBQUFBQWxSQUFBJTNE_23413be3-1c49-4bc8-b55c-65507ed003f4">5,454</ix:nonFraction>&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:18pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Accounts receivable - non-ASC 606</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="i4a0749d860044c61bf1ca42bfa4d1200_I20180630" decimals="-3" format="ixt:numdotdecimal" name="ngs:AccountsReceivableExcludingContractsWithCustomerAssetCurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMzkvZnJhZzoxYTRmYTQzY2FlMjQ0ZmY1YmI1NTA0OGU4MmUwNDI5OC90YWJsZTpjNWMzMGE5ZWM4YTA0ZTgxYjZlM2NkNDlkZTZhY2FjYi90YWJsZXJhbmdlOmM1YzMwYTllYzhhMDRlODFiNmUzY2Q0OWRlNmFjYWNiXzAyMTFBQUFBQkFBQUFBUUFBQUFCQUFBQUFRQUFBQUFBQUJQdkFBQSUzRA_4f253406-e9e9-48cd-a7e6-97d9187e5246">2,817</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="ic4d3c0da31dc4a6d9e6a956840d0f98c_I20171231" decimals="-3" format="ixt:numdotdecimal" name="ngs:AccountsReceivableExcludingContractsWithCustomerAssetCurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMzkvZnJhZzoxYTRmYTQzY2FlMjQ0ZmY1YmI1NTA0OGU4MmUwNDI5OC90YWJsZTpjNWMzMGE5ZWM4YTA0ZTgxYjZlM2NkNDlkZTZhY2FjYi90YWJsZXJhbmdlOmM1YzMwYTllYzhhMDRlODFiNmUzY2Q0OWRlNmFjYWNiXzAyMWZBQUFBQkFBQUFBUUFBQUFEQUFBQUF3QUFBQUFBQUJQeEFBQSUzRA_7093bed1-8208-4259-b3dd-bae11c8fb011">3,649</ix:nonFraction>&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#ffffff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Total Accounts Receivable</span></td><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="i4a0749d860044c61bf1ca42bfa4d1200_I20180630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:AccountsReceivableGrossCurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMzkvZnJhZzoxYTRmYTQzY2FlMjQ0ZmY1YmI1NTA0OGU4MmUwNDI5OC90YWJsZTpjNWMzMGE5ZWM4YTA0ZTgxYjZlM2NkNDlkZTZhY2FjYi90YWJsZXJhbmdlOmM1YzMwYTllYzhhMDRlODFiNmUzY2Q0OWRlNmFjYWNiXzAyMTJBQUFBQlFBQUFBVUFBQUFCQUFBQUFRQUFBQUFBQUFsSkFBQSUzRA_a465993b-f1bc-4e69-a91f-7c60cad37498">9,818</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"></td><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="ic4d3c0da31dc4a6d9e6a956840d0f98c_I20171231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:AccountsReceivableGrossCurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMzkvZnJhZzoxYTRmYTQzY2FlMjQ0ZmY1YmI1NTA0OGU4MmUwNDI5OC90YWJsZTpjNWMzMGE5ZWM4YTA0ZTgxYjZlM2NkNDlkZTZhY2FjYi90YWJsZXJhbmdlOmM1YzMwYTllYzhhMDRlODFiNmUzY2Q0OWRlNmFjYWNiXzAyMWNBQUFBQlFBQUFBVUFBQUFEQUFBQUF3QUFBQUFBQUFsVEFBQSUzRA_f36462c1-34d1-49bc-b366-94cfd870f639">9,103</ix:nonFraction>&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Less:Allowance for doubtful accounts</span></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">(<ix:nonFraction unitRef="usd" contextRef="i4a0749d860044c61bf1ca42bfa4d1200_I20180630" decimals="-3" name="us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMzkvZnJhZzoxYTRmYTQzY2FlMjQ0ZmY1YmI1NTA0OGU4MmUwNDI5OC90YWJsZTpjNWMzMGE5ZWM4YTA0ZTgxYjZlM2NkNDlkZTZhY2FjYi90YWJsZXJhbmdlOmM1YzMwYTllYzhhMDRlODFiNmUzY2Q0OWRlNmFjYWNiXzAyMTdBQUFBQmdBQUFBWUFBQUFCQUFBQUFRQUFBQUFBQUFsS0FBQSUzRA_f5183c35-996b-48da-b4c2-deb1b576a779">443</ix:nonFraction>)</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">(<ix:nonFraction unitRef="usd" contextRef="ic4d3c0da31dc4a6d9e6a956840d0f98c_I20171231" decimals="-3" name="us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMzkvZnJhZzoxYTRmYTQzY2FlMjQ0ZmY1YmI1NTA0OGU4MmUwNDI5OC90YWJsZTpjNWMzMGE5ZWM4YTA0ZTgxYjZlM2NkNDlkZTZhY2FjYi90YWJsZXJhbmdlOmM1YzMwYTllYzhhMDRlODFiNmUzY2Q0OWRlNmFjYWNiXzAyMWJBQUFBQmdBQUFBWUFBQUFEQUFBQUF3QUFBQUFBQUFsVUFBQSUzRA_af218f69-4af5-483b-a026-82f016f8a603">569</ix:nonFraction>)</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#ffffff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Total Accounts Receivable, net</span></td><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="i4a0749d860044c61bf1ca42bfa4d1200_I20180630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:AccountsReceivableNetCurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMzkvZnJhZzoxYTRmYTQzY2FlMjQ0ZmY1YmI1NTA0OGU4MmUwNDI5OC90YWJsZTpjNWMzMGE5ZWM4YTA0ZTgxYjZlM2NkNDlkZTZhY2FjYi90YWJsZXJhbmdlOmM1YzMwYTllYzhhMDRlODFiNmUzY2Q0OWRlNmFjYWNiXzAyMTZBQUFBQndBQUFBY0FBQUFCQUFBQUFRQUFBQUFBQUFsTEFBQSUzRA_96bfd2f3-ccda-4ec9-8892-439da204b20a">9,375</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"></td><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="ic4d3c0da31dc4a6d9e6a956840d0f98c_I20171231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:AccountsReceivableNetCurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMzkvZnJhZzoxYTRmYTQzY2FlMjQ0ZmY1YmI1NTA0OGU4MmUwNDI5OC90YWJsZTpjNWMzMGE5ZWM4YTA0ZTgxYjZlM2NkNDlkZTZhY2FjYi90YWJsZXJhbmdlOmM1YzMwYTllYzhhMDRlODFiNmUzY2Q0OWRlNmFjYWNiXzAyMWFBQUFBQndBQUFBY0FBQUFEQUFBQUF3QUFBQUFBQUFsVkFBQSUzRA_8c653f0b-d820-42f0-9ec3-c403b98fc99b">8,534</ix:nonFraction>&#160;</span></td></tr><tr><td colspan="3" style="height:15pt;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="height:15pt;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:3pt double #000000;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="height:15pt;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:3pt double #000000;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="height:15pt;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:3pt double #000000;padding-left:1pt;padding-right:1pt;"></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#ffffff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Deferred income</span></td><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-bottom:3pt double #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-bottom:3pt double #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="i4a0749d860044c61bf1ca42bfa4d1200_I20180630" decimals="-3" name="us-gaap:ContractWithCustomerLiabilityCurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMzkvZnJhZzoxYTRmYTQzY2FlMjQ0ZmY1YmI1NTA0OGU4MmUwNDI5OC90YWJsZTpjNWMzMGE5ZWM4YTA0ZTgxYjZlM2NkNDlkZTZhY2FjYi90YWJsZXJhbmdlOmM1YzMwYTllYzhhMDRlODFiNmUzY2Q0OWRlNmFjYWNiXzAyZThBQUFBQ1FBQUFBa0FBQUFCQUFBQUFRQUFBQUFBQUFsTkFBQSUzRA_ed020b45-20b8-4fc1-a971-c4c5d1279a63">487</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-bottom:3pt double #000000;padding-left:1pt;padding-right:1pt;"></td><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-bottom:3pt double #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-bottom:3pt double #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="ic4d3c0da31dc4a6d9e6a956840d0f98c_I20171231" decimals="-3" name="us-gaap:ContractWithCustomerLiabilityCurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMzkvZnJhZzoxYTRmYTQzY2FlMjQ0ZmY1YmI1NTA0OGU4MmUwNDI5OC90YWJsZTpjNWMzMGE5ZWM4YTA0ZTgxYjZlM2NkNDlkZTZhY2FjYi90YWJsZXJhbmdlOmM1YzMwYTllYzhhMDRlODFiNmUzY2Q0OWRlNmFjYWNiXzAyZTRBQUFBQ1FBQUFBa0FBQUFEQUFBQUF3QUFBQUFBQUFsUEFBQSUzRA_17445983-9c4b-4fbf-b877-868716ee3882">185</ix:nonFraction>&#160;</span></td></tr></table></div></ix:nonNumeric><div style="line-height:120%;text-align:center;"><span><br/></span></div><div style="line-height:120%;"><span><br/></span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">The Company did <ix:nonFraction unitRef="usd" contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630" decimals="INF" format="ixt-sec:numwordsen" name="us-gaap:ContractWithCustomerLiabilityRevenueRecognized" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMzkvZnJhZzoxYTRmYTQzY2FlMjQ0ZmY1YmI1NTA0OGU4MmUwNDI5OC90ZXh0cmVnaW9uOjFhNGZhNDNjYWUyNDRmZjViYjU1MDQ4ZTgyZTA0Mjk4XzU0OTc1NTgyOTA2Mg_726fdcf8-d81e-4e6f-9a27-73c2e8d373c8">no</ix:nonFraction>t&#160;recognize any revenue for the period ended June 30, 2018 that were included in deferred income at the beginning of 2018. For the period ended December 31, 2017, the Company recognized revenue of $<ix:nonFraction unitRef="usd" contextRef="icc50a41eef224f1eaf3b553cb4a66b2d_D20170101-20171231" decimals="-5" format="ixt:numdotdecimal" name="us-gaap:ContractWithCustomerLiabilityRevenueRecognized" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMzkvZnJhZzoxYTRmYTQzY2FlMjQ0ZmY1YmI1NTA0OGU4MmUwNDI5OC90ZXh0cmVnaW9uOjFhNGZhNDNjYWUyNDRmZjViYjU1MDQ4ZTgyZTA0Mjk4XzU0OTc1NTgyOTA0NA_130f5824-0be2-4316-9de3-ac38491ad8b8">1.9</ix:nonFraction> million from amounts related to sales that were included in deferred income at the beginning of 2017.</span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span><br/></span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">The increases (decreases) of accounts receivable and deferred income were primarily due to normal timing differences between our performance and the customers&#8217; payments.</span></div><div style="line-height:120%;text-align:justify;"><span><br/></span></div><div style="line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-style:italic;font-weight:700;line-height:120%;vertical-align:bottom;">Transaction Price Allocated to the Remaining Performance Obligations</span></div><div style="text-indent:72pt;line-height:120%;text-align:justify;"><span><br/></span></div><ix:nonNumeric contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630" name="us-gaap:RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTableTextBlock" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMzkvZnJhZzoxYTRmYTQzY2FlMjQ0ZmY1YmI1NTA0OGU4MmUwNDI5OC90ZXh0cmVnaW9uOjFhNGZhNDNjYWUyNDRmZjViYjU1MDQ4ZTgyZTA0Mjk4XzYwNDczMTM5Njc1NjQ_a3d8d1ed-a26e-48cc-b9c5-a29463933345" continuedAt="id53d9b3d6003462687cb4b2b473feb1c" escape="true"><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">The following table includes estimated revenue expected to be recognized in the future related to performance obligations that are unsatisfied (or partially unsatisfied) at the end of the reporting period:</span></div><div style="line-height:120%;"><span><br/></span></div><div style="line-height:120%;text-align:center;"><span><br/></span></div><div style="text-align:center;"><table style="margin-left:auto;margin-right:auto;border-collapse:collapse;text-align:left;text-indent:0pt;display:inline-table;width:99.415205%;"><tr><td style="width:1.0%;"></td><td style="width:37.117647%;"></td><td style="width:1.0%;"></td><td style="width:1.0%;"></td><td style="width:8.147059%;"></td><td style="width:1.0%;"></td><td style="width:1.0%;"></td><td style="width:8.147059%;"></td><td style="width:1.0%;"></td><td style="width:1.0%;"></td><td style="width:8.147059%;"></td><td style="width:1.0%;"></td><td style="width:1.0%;"></td><td style="width:8.147059%;"></td><td style="width:1.0%;"></td><td style="width:1.0%;"></td><td style="width:8.147059%;"></td><td style="width:1.0%;"></td><td style="width:1.0%;"></td><td style="width:8.147059%;"></td><td style="width:1.0%;"></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-style:italic;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">(in thousands)&#160;</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">2019</span><sup style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:6.5pt;font-weight:400;line-height:100%;vertical-align:bottom;vertical-align:top;">(1)</sup></div></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">2020&#160;</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">2021&#160;</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">2022&#160;</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">2023&#160;</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Total&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Service and Maintenance</span></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="i2f0ae5f9e2fc48399f08a04105626c87_I20180630" decimals="-3" name="us-gaap:RevenueRemainingPerformanceObligation" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMzkvZnJhZzoxYTRmYTQzY2FlMjQ0ZmY1YmI1NTA0OGU4MmUwNDI5OC90YWJsZTpjYWNmZTAxNzhmM2I0NWQ3ODdiYTY0ZDAzYjJjYjIzNC90YWJsZXJhbmdlOmNhY2ZlMDE3OGYzYjQ1ZDc4N2JhNjRkMDNiMmNiMjM0XzAxMkFBQUFBUUFBQUFFQUFBQUJBQUFBQVFBQUFBQUFBQWxhQUFBJTNE_62be9ea0-a41c-48b4-a722-85ae64689e90">750</ix:nonFraction>&#160;</span></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="ia164d1f3c2cd43ab92708fa53e1f7ab5_I20180630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:RevenueRemainingPerformanceObligation" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMzkvZnJhZzoxYTRmYTQzY2FlMjQ0ZmY1YmI1NTA0OGU4MmUwNDI5OC90YWJsZTpjYWNmZTAxNzhmM2I0NWQ3ODdiYTY0ZDAzYjJjYjIzNC90YWJsZXJhbmdlOmNhY2ZlMDE3OGYzYjQ1ZDc4N2JhNjRkMDNiMmNiMjM0XzAxN0FBQUFBUUFBQUFFQUFBQUNBQUFBQWdBQUFBQUFBQWxaQUFBJTNE_91f867e7-4fdb-4afb-b1b1-46c6505c99bc">1,173</ix:nonFraction>&#160;</span></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="i7eb5f87d32b14e489c2a19a41d6dbc3d_I20180630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:RevenueRemainingPerformanceObligation" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMzkvZnJhZzoxYTRmYTQzY2FlMjQ0ZmY1YmI1NTA0OGU4MmUwNDI5OC90YWJsZTpjYWNmZTAxNzhmM2I0NWQ3ODdiYTY0ZDAzYjJjYjIzNC90YWJsZXJhbmdlOmNhY2ZlMDE3OGYzYjQ1ZDc4N2JhNjRkMDNiMmNiMjM0XzAxNkFBQUFBUUFBQUFFQUFBQURBQUFBQXdBQUFBQUFBQWxiQUFBJTNE_11c98585-35eb-45df-8c24-6444f4914c63">1,085</ix:nonFraction>&#160;</span></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="i65a48b1ceaaf40f283ab3bf5f85a07a2_I20180630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:RevenueRemainingPerformanceObligation" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMzkvZnJhZzoxYTRmYTQzY2FlMjQ0ZmY1YmI1NTA0OGU4MmUwNDI5OC90YWJsZTpjYWNmZTAxNzhmM2I0NWQ3ODdiYTY0ZDAzYjJjYjIzNC90YWJsZXJhbmdlOmNhY2ZlMDE3OGYzYjQ1ZDc4N2JhNjRkMDNiMmNiMjM0XzAyMzlBQUFBQVFBQUFBRUFBQUFFQUFBQUJBQUFBQUFBQUFsZEFBQSUzRA_f03d7cf2-d750-4672-b16a-3de805b0b138">1,085</ix:nonFraction>&#160;</span></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="ide7a60d651444069b56bede04e9b292c_I20180630" decimals="-3" name="us-gaap:RevenueRemainingPerformanceObligation" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMzkvZnJhZzoxYTRmYTQzY2FlMjQ0ZmY1YmI1NTA0OGU4MmUwNDI5OC90YWJsZTpjYWNmZTAxNzhmM2I0NWQ3ODdiYTY0ZDAzYjJjYjIzNC90YWJsZXJhbmdlOmNhY2ZlMDE3OGYzYjQ1ZDc4N2JhNjRkMDNiMmNiMjM0XzAyMzhBQUFBQVFBQUFBRUFBQUFGQUFBQUJRQUFBQUFBQUFsY0FBQSUzRA_d2668fb6-765c-4e89-a3f6-1eade52241fa">145</ix:nonFraction>&#160;</span></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="if7eba40cf62f49c68dd9e9e5802ab3a9_I20180630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:RevenueRemainingPerformanceObligation" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMzkvZnJhZzoxYTRmYTQzY2FlMjQ0ZmY1YmI1NTA0OGU4MmUwNDI5OC90YWJsZTpjYWNmZTAxNzhmM2I0NWQ3ODdiYTY0ZDAzYjJjYjIzNC90YWJsZXJhbmdlOmNhY2ZlMDE3OGYzYjQ1ZDc4N2JhNjRkMDNiMmNiMjM0XzAyM2RBQUFBQVFBQUFBRUFBQUFHQUFBQUJnQUFBQUFBQUFsZUFBQSUzRA_f4573a33-58c7-48de-80c1-8954edc16f21">4,238</ix:nonFraction>&#160;</span></td></tr></table></div></ix:nonNumeric><div style="line-height:120%;text-align:center;"><span><br/></span></div><div style="line-height:120%;"><span><br/></span></div><div style="text-indent:36pt;line-height:120%;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"><ix:continuation id="id53d9b3d6003462687cb4b2b473feb1c">(1) For the six months starting July 2019.</ix:continuation>&#160;</span></div><div style="text-indent:36pt;line-height:120%;"><span><br/></span></div><div style="text-indent:36pt;line-height:120%;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">All consideration from contracts with customers is included in the amounts presented above. &#160;</span></div><div style="text-indent:36pt;line-height:120%;"><span><br/></span></div><div style="text-indent:36pt;line-height:120%;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">The Company applies the practical expedient in ASC 606-10-50-14 and does not disclose information about remaining performance obligations that have original expected durations of one year or less. &#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;</span></div><div style="text-indent:36pt;line-height:120%;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">The Company applies the transition practical expedient in ASC 606-10-65-1(f)(3) and does not disclose the amount of the transaction price allocated to the remaining performance obligations and an explanation of when the Company expects to recognize that amount as revenue for 2018.&#160;&#160;</span></div><div style="line-height:120%;"><span><br/></span></div><div style="line-height:120%;"><ix:nonNumeric contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630" name="ngs:CapitalizedContractCostsPolicyPolicyTextBlock" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMzkvZnJhZzoxYTRmYTQzY2FlMjQ0ZmY1YmI1NTA0OGU4MmUwNDI5OC90ZXh0cmVnaW9uOjFhNGZhNDNjYWUyNDRmZjViYjU1MDQ4ZTgyZTA0Mjk4XzU0OTc1NTgxNTQwNDQ_8ef4f860-1448-44af-a626-c00a69680313" continuedAt="ibb47daea6d264228a8f20f2c3b7bf333" escape="true"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-style:italic;font-weight:700;line-height:120%;vertical-align:bottom;">Contract Costs</span><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">&#160;</span></ix:nonNumeric></div><div style="text-indent:90pt;line-height:120%;text-align:justify;"><span><br/></span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"><ix:continuation id="ibb47daea6d264228a8f20f2c3b7bf333">The Company applies the practical expedient in ASC 340-40-25-4 and recognizes the incremental costs of obtaining contracts as an expense when incurred if the amortization period of the assets that the Company otherwise would have recognized is one year or less. These costs are included in selling, general and administrative expense on our consolidated income statement.</ix:continuation> </span></div></ix:continuation><div style="line-height:120%;text-align:justify;"><span><br/></span></div><div style="line-height:120%;text-align:justify;"><span><br/></span></div><div style="position:relative;width:100%;height:45pt;width:100%;"><div style="position:absolute;bottom:0;width:100%;"><div style="text-align:center;-sec-extract:summary;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:115%;vertical-align:bottom;">6</span></div></div></div><hr style="page-break-after:always"></hr><div style="height:45pt;width:100%;"><div><span><br/></span></div></div><ix:continuation id="iee3215094c51497ca2059e3197d2c994"><ix:nonNumeric contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630" name="us-gaap:FairValueOfFinancialInstrumentsPolicy" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMzkvZnJhZzoxYTRmYTQzY2FlMjQ0ZmY1YmI1NTA0OGU4MmUwNDI5OC90ZXh0cmVnaW9uOjFhNGZhNDNjYWUyNDRmZjViYjU1MDQ4ZTgyZTA0Mjk4XzU0OTc1NTgxNTM2NzE_0da6aeff-0b6b-41eb-82d2-f96e30aa122d" escape="true"><div style="line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-style:italic;font-weight:700;line-height:120%;vertical-align:bottom;">Fair Value of Financial Instruments</span></div><div style="line-height:120%;"><span><br/></span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">Our financial instruments consist principally of cash and cash equivalents, accounts receivable, accounts payable, deferred compensation plan (cash portion) and our line of credit.  Pursuant to ASC 820 (Accounting Standards Codification), the fair value of our cash equivalents is determined based on &#8220;Level 1&#8221; inputs, which consist of quoted prices in active markets for identical assets.  We believe that the recorded values of all of our other financial instruments approximate their fair values because of their nature and relatively short maturity dates or durations.</span></div></ix:nonNumeric><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span><br/></span></div><div style="line-height:174%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-style:italic;font-weight:700;line-height:174%;vertical-align:bottom;">Income Taxes</span></div><div style="line-height:174%;text-align:justify;"><span><br/></span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">Deferred tax assets and liabilities are recognized for the future tax consequences attributable to temporary differences between the financial statement carrying amounts of assets and liabilities and their respective tax bases, and operating losses and tax credit carry-forwards.&#160;&#160;Deferred tax assets and liabilities are measured using enacted tax rates expected to apply to taxable income in the years in which those temporary differences are expected to be recovered or settled.</span></div><div style="text-indent:45pt;line-height:120%;text-align:justify;"><span><br/></span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">ASC Topic 740 prescribes a recognition threshold and measurement attribute for the financial statement recognition and measurement of a tax position taken or expected to be taken in a tax return. In order to record any financial statement benefit, we are required to determine, based on technical merits of the position, whether it is more likely than not (a likelihood of more than 50 percent) that a tax position will be sustained upon examination, including resolution of any related appeals or litigation processes. If that step is satisfied, then we must measure the tax position to determine the amount of benefit to recognize in the financial statements. The tax position is measured at the largest amount of the benefit that is greater than 50 percent likely of being realized upon ultimate settlement. We have no uncertain tax positions as of June 30, 2018. </span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span><br/></span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">Our policy regarding income tax interest and penalties is to expense those items as other expense.</span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span><br/></span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">On December&#160;22, 2017, the U.S. government enacted comprehensive tax legislation commonly referred to as the Tax Cuts and Jobs Act (the &#8220;2017 Tax Act&#8221;), which makes broad and complex changes to the U.S. tax code. Certain income tax effects of the 2017 Tax Act are reflected in the Company&#8217;s financial results in accordance with Staff Accounting Bulletin No.&#160;118 (&#8220;SAB 118&#8221;), which provides SEC staff guidance regarding the application of Accounting Standards Codification Topic 740 Income Taxes (&#8220;ASC 740&#8221;). As we do not have all of the necessary information to analyze all income tax effects of the 2017 Tax Act, we will continue to evaluate tax reform and adjust the provisional amounts as additional information is obtained. We expect to complete our detailed analysis no later than the fourth quarter of 2018. </span></div><div style="line-height:120%;"><span><br/></span></div><ix:nonNumeric contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630" name="us-gaap:NewAccountingPronouncementsPolicyPolicyTextBlock" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMzkvZnJhZzoxYTRmYTQzY2FlMjQ0ZmY1YmI1NTA0OGU4MmUwNDI5OC90ZXh0cmVnaW9uOjFhNGZhNDNjYWUyNDRmZjViYjU1MDQ4ZTgyZTA0Mjk4XzU0OTc1NTgxNTM2NzI_48c2eaec-20d9-4f60-a764-28b5729c80dc" escape="true"><div style="line-height:120%;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-style:italic;font-weight:700;line-height:120%;vertical-align:bottom;">Recently Issued Accounting Pronouncements</span></div><div style="line-height:120%;"><span><br/></span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;margin-bottom:12pt;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">On February 25, 2016, the Financial Accounting&#160;Standards Board ("FASB") issued ASU 2016-02, Leases (Topic 842). Under the new guidance, a lessee will be required to recognize assets and liabilities for finance and operating leases with lease terms of more than 12 months. Additionally, this ASU will require disclosures to help investors and other financial statement users better&#160;understand the amount, timing, and uncertainty of cash flows arising from leases, including qualitative and quantitative&#160;requirements. The ASU initially required a modified retrospective transition method where a company applies the new leases standard at the beginning of the earliest period&#160;presented in the&#160;financial&#160;statements, but in July 2018 the FASB issued ASU 2018-11.&#160;ASU 2018-11 added an optional transition method where a company applies the new leases standard at the adoption date and recognizes a cumulative effect adjustment to the opening balance of retained earnings. For public business entities, the amendments are effective for fiscal years beginning after December 15, 2018, including interim periods within those fiscal years, with early adoption permitted. The new standard will be effective during our first quarter ending March 31, 2019. We are in the process of reviewing our leases and evaluating what impact the new standard will have on our accounting policies, internal controls and condensed consolidated balance sheet. We expect there&#160;will be an increase in assets and liabilities on the condensed&#160;consolidated balance sheets at adoption due to recording the right-of-use assets and corresponding&#160;lease liabilities, but do not believe this to be a significant&#160;impact  at this time. We also expect an&#160;increase in our disclosures revolving around leases. We anticipate our review&#160;to be completed in the latter half of 2018.</span></div></ix:nonNumeric><ix:nonNumeric contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630" name="us-gaap:PriorPeriodReclassificationAdjustmentDescription" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMzkvZnJhZzoxYTRmYTQzY2FlMjQ0ZmY1YmI1NTA0OGU4MmUwNDI5OC90ZXh0cmVnaW9uOjFhNGZhNDNjYWUyNDRmZjViYjU1MDQ4ZTgyZTA0Mjk4XzU0OTc1NTgxNTQwMTk_87a617e1-f39c-4821-9da2-9941db68fdad" escape="true"><div style="line-height:120%;text-align:justify;margin-bottom:10pt;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-style:italic;font-weight:700;line-height:120%;vertical-align:bottom;">Reclassification of Prior Period Balances</span></div><div style="text-indent:36pt;line-height:120%;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">Certain reclassifications have been made to prior period amounts to conform to the current-year presentation. These</span></div><div style="line-height:120%;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">reclassifications had no effect on the reported results of operations.</span></div></ix:nonNumeric></ix:continuation><div style="line-height:120%;text-align:justify;margin-bottom:12pt;"><span><br/></span></div><div id="i_0_167"></div><div style="line-height:120%;text-align:justify;"><span><br/></span></div><div style="line-height:120%;text-align:justify;"><span><br/></span></div><div style="position:relative;width:100%;height:45pt;width:100%;"><div style="position:absolute;bottom:0;width:100%;"><div style="text-align:center;-sec-extract:summary;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:115%;vertical-align:bottom;">7</span></div></div></div><hr style="page-break-after:always"></hr><div style="height:45pt;width:100%;"><div><span><br/></span></div></div><div style="line-height:120%;text-align:justify;-sec-extract:summary;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:700;line-height:120%;vertical-align:bottom;">&#160; (2) <ix:nonNumeric contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630" name="us-gaap:DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90ZXh0cmVnaW9uOmYwZTE1OWEwNjBhMDRkMmFiNjRhMWU2OGUyZWI0MDY1XzU0OTc1NTgxNDE2NjE_88c35cc5-990a-4847-93f1-4dc64b6bdbde" continuedAt="i263c26aee38644378e8be114597bab1d" escape="true">Stock-Based Compensation</ix:nonNumeric></span></div><div style="line-height:120%;"><span><br/></span></div><ix:continuation id="i263c26aee38644378e8be114597bab1d" continuedAt="i1514e5c219d94825b0617a5e74cf2a7f"><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-style:italic;line-height:120%;vertical-align:bottom;">Stock Options:</span></div><div style="line-height:120%;"><span><br/></span></div><ix:nonNumeric contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630" name="us-gaap:ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90ZXh0cmVnaW9uOmYwZTE1OWEwNjBhMDRkMmFiNjRhMWU2OGUyZWI0MDY1XzU0OTc1NTgxNDE2NTg_46fd6956-35e5-4216-a0a3-07101b9d239a" escape="true"><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">A summary of option activity under our 1998 Stock Option Plan  as  of December 31, 2017, and changes during the six months ended&#160;June 30, 2018 is presented below.</span></div><div style="line-height:120%;"><span><br/></span></div><div style="line-height:120%;"><span><br/></span></div><div><table style="margin-left:auto;margin-right:auto;border-collapse:collapse;text-align:left;text-indent:0pt;display:inline-table;width:99.269006%;"><tr><td style="width:1.0%;"></td><td style="width:45.128130%;"></td><td style="width:1.0%;"></td><td style="width:1.0%;"></td><td style="width:10.665685%;"></td><td style="width:1.0%;"></td><td style="width:0.1%;"></td><td style="width:0.536377%;"></td><td style="width:0.1%;"></td><td style="width:1.0%;"></td><td style="width:10.665685%;"></td><td style="width:1.0%;"></td><td style="width:0.1%;"></td><td style="width:0.536377%;"></td><td style="width:0.1%;"></td><td style="width:1.0%;"></td><td style="width:10.665685%;"></td><td style="width:1.0%;"></td><td style="width:0.1%;"></td><td style="width:0.536377%;"></td><td style="width:0.1%;"></td><td style="width:1.0%;"></td><td style="width:10.665685%;"></td><td style="width:1.0%;"></td></tr><tr><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">Number</span></div><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">&#160;of</span></div><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">Stock Options</span></div></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">Weighted Average</span></div><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">Exercise</span></div><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">&#160;Price</span></div></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">Weighted&#160;</span></div><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">Average&#160;</span></div><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">Remaining&#160;</span></div><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">Contractual Life (years)</span></div></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">Aggregate&#160;</span></div><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">Intrinsic&#160;</span></div><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">Value</span></div><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-style:italic;font-weight:400;line-height:100%;vertical-align:bottom;">(in thousands)</span></div></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:12pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Outstanding, December 31, 2017</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="shares" contextRef="ic4d3c0da31dc4a6d9e6a956840d0f98c_I20171231" decimals="INF" format="ixt:numdotdecimal" name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90YWJsZTo3OGRkNjAyZDM0OWE0ODlhYTUyNDQ1YTdlNzAxNmRjMS90YWJsZXJhbmdlOjc4ZGQ2MDJkMzQ5YTQ4OWFhNTI0NDVhN2U3MDE2ZGMxXzEtMS0xLTEtODYw_29382785-d13c-4519-bf15-5852fe2cbccc">327,270</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usdPerShare" contextRef="ic4d3c0da31dc4a6d9e6a956840d0f98c_I20171231" decimals="2" name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90YWJsZTo3OGRkNjAyZDM0OWE0ODlhYTUyNDQ1YTdlNzAxNmRjMS90YWJsZXJhbmdlOjc4ZGQ2MDJkMzQ5YTQ4OWFhNTI0NDVhN2U3MDE2ZGMxXzEtMy0xLTEtODYw_76fdf6cf-6111-4024-ab37-0666621d528c">20.21</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonNumeric contextRef="icc50a41eef224f1eaf3b553cb4a66b2d_D20170101-20171231" format="ixt-sec:duryear" name="us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90YWJsZTo3OGRkNjAyZDM0OWE0ODlhYTUyNDQ1YTdlNzAxNmRjMS90YWJsZXJhbmdlOjc4ZGQ2MDJkMzQ5YTQ4OWFhNTI0NDVhN2U3MDE2ZGMxXzEtNS0xLTEtODYw_4ec16215-9311-4d6f-ad5b-b7791bd477af">4.28</ix:nonNumeric></span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="ic4d3c0da31dc4a6d9e6a956840d0f98c_I20171231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90YWJsZTo3OGRkNjAyZDM0OWE0ODlhYTUyNDQ1YTdlNzAxNmRjMS90YWJsZXJhbmdlOjc4ZGQ2MDJkMzQ5YTQ4OWFhNTI0NDVhN2U3MDE2ZGMxXzEtNy0xLTEtODYw_57cec351-665e-4070-a7ee-c11d618fe0e2">2,255</ix:nonFraction>&#160;</span></td></tr><tr><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:12pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Exercised&#160;</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">(<ix:nonFraction unitRef="shares" contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630" decimals="INF" format="ixt:numdotdecimal" name="us-gaap:StockIssuedDuringPeriodSharesStockOptionsExercised" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90YWJsZTo3OGRkNjAyZDM0OWE0ODlhYTUyNDQ1YTdlNzAxNmRjMS90YWJsZXJhbmdlOjc4ZGQ2MDJkMzQ5YTQ4OWFhNTI0NDVhN2U3MDE2ZGMxXzMtMS0xLTEtODYz_17717895-f282-4563-8a69-7d93c0d0565c">8,500</ix:nonFraction>)</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usdPerShare" contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630" decimals="2" name="us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90YWJsZTo3OGRkNjAyZDM0OWE0ODlhYTUyNDQ1YTdlNzAxNmRjMS90YWJsZXJhbmdlOjc4ZGQ2MDJkMzQ5YTQ4OWFhNTI0NDVhN2U3MDE2ZGMxXzMtMy0xLTEtODYz_94adba05-32f3-4f42-8dbf-ef6540ae4a43">18.51</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">&#8212;&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630" decimals="-3" name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90YWJsZTo3OGRkNjAyZDM0OWE0ODlhYTUyNDQ1YTdlNzAxNmRjMS90YWJsZXJhbmdlOjc4ZGQ2MDJkMzQ5YTQ4OWFhNTI0NDVhN2U3MDE2ZGMxXzMtNy0xLTEtODYz_8ca537cb-b3a7-4924-8a1a-b725de4d88c3">86</ix:nonFraction>&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:12pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Canceled/Forfeited&#160;</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">(<ix:nonFraction unitRef="shares" contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630" decimals="INF" name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90YWJsZTo3OGRkNjAyZDM0OWE0ODlhYTUyNDQ1YTdlNzAxNmRjMS90YWJsZXJhbmdlOjc4ZGQ2MDJkMzQ5YTQ4OWFhNTI0NDVhN2U3MDE2ZGMxXzQtMS0xLTEtNDI3MQ_d1d7d197-6804-4244-b220-f7a1118037f7">500</ix:nonFraction>)</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usdPerShare" contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630" decimals="2" name="us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90YWJsZTo3OGRkNjAyZDM0OWE0ODlhYTUyNDQ1YTdlNzAxNmRjMS90YWJsZXJhbmdlOjc4ZGQ2MDJkMzQ5YTQ4OWFhNTI0NDVhN2U3MDE2ZGMxXzQtMy0xLTEtNDI3MQ_f4e88e20-50b0-4e36-a5b5-0c30523c2996">28.15</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">&#8212;&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">&#8212;&#160;</span></td></tr><tr><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:12pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Outstanding, June 30, 2018</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="shares" contextRef="i4a0749d860044c61bf1ca42bfa4d1200_I20180630" decimals="INF" format="ixt:numdotdecimal" name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90YWJsZTo3OGRkNjAyZDM0OWE0ODlhYTUyNDQ1YTdlNzAxNmRjMS90YWJsZXJhbmdlOjc4ZGQ2MDJkMzQ5YTQ4OWFhNTI0NDVhN2U3MDE2ZGMxXzYtMS0xLTEtODY2_fa9284cf-b31f-4021-9c86-6acf5cf34da6">318,270</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usdPerShare" contextRef="i4a0749d860044c61bf1ca42bfa4d1200_I20180630" decimals="2" name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90YWJsZTo3OGRkNjAyZDM0OWE0ODlhYTUyNDQ1YTdlNzAxNmRjMS90YWJsZXJhbmdlOjc4ZGQ2MDJkMzQ5YTQ4OWFhNTI0NDVhN2U3MDE2ZGMxXzYtMy0xLTEtODY2_8eb02f2d-2ede-4f0b-b8ad-322365801c52">20.24</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonNumeric contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630" format="ixt-sec:duryear" name="us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90YWJsZTo3OGRkNjAyZDM0OWE0ODlhYTUyNDQ1YTdlNzAxNmRjMS90YWJsZXJhbmdlOjc4ZGQ2MDJkMzQ5YTQ4OWFhNTI0NDVhN2U3MDE2ZGMxXzYtNS0xLTEtODY2_80251060-82fb-4bd9-b794-a62c8e278424">3.82</ix:nonNumeric></span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="i4a0749d860044c61bf1ca42bfa4d1200_I20180630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90YWJsZTo3OGRkNjAyZDM0OWE0ODlhYTUyNDQ1YTdlNzAxNmRjMS90YWJsZXJhbmdlOjc4ZGQ2MDJkMzQ5YTQ4OWFhNTI0NDVhN2U3MDE2ZGMxXzYtNy0xLTEtODY2_271a5404-4092-4502-98a4-ecd06769add8">1,579</ix:nonFraction>&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:12pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Exercisable, June 30, 2018</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="shares" contextRef="i4a0749d860044c61bf1ca42bfa4d1200_I20180630" decimals="INF" format="ixt:numdotdecimal" name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90YWJsZTo3OGRkNjAyZDM0OWE0ODlhYTUyNDQ1YTdlNzAxNmRjMS90YWJsZXJhbmdlOjc4ZGQ2MDJkMzQ5YTQ4OWFhNTI0NDVhN2U3MDE2ZGMxXzctMS0xLTEtODcy_6dd23b17-22fe-486e-8515-da46c9918fee">296,738</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usdPerShare" contextRef="i4a0749d860044c61bf1ca42bfa4d1200_I20180630" decimals="2" name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90YWJsZTo3OGRkNjAyZDM0OWE0ODlhYTUyNDQ1YTdlNzAxNmRjMS90YWJsZXJhbmdlOjc4ZGQ2MDJkMzQ5YTQ4OWFhNTI0NDVhN2U3MDE2ZGMxXzctMy0xLTEtODcy_333e1510-17cb-46b2-a646-167f414e6ec4">19.67</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonNumeric contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630" format="ixt-sec:duryear" name="us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90YWJsZTo3OGRkNjAyZDM0OWE0ODlhYTUyNDQ1YTdlNzAxNmRjMS90YWJsZXJhbmdlOjc4ZGQ2MDJkMzQ5YTQ4OWFhNTI0NDVhN2U3MDE2ZGMxXzctNS0xLTEtODcy_df17958a-a83b-4eb2-936e-e88a4feadb04">3.47</ix:nonNumeric></span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="i4a0749d860044c61bf1ca42bfa4d1200_I20180630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90YWJsZTo3OGRkNjAyZDM0OWE0ODlhYTUyNDQ1YTdlNzAxNmRjMS90YWJsZXJhbmdlOjc4ZGQ2MDJkMzQ5YTQ4OWFhNTI0NDVhN2U3MDE2ZGMxXzctNy0xLTEtODcy_07422899-75f0-42c0-b133-0b3b992b1998">1,579</ix:nonFraction>&#160;</span></td></tr></table></div></ix:nonNumeric><div style="line-height:120%;"><span><br/></span></div><div style="line-height:120%;text-align:justify;"><span><br/></span></div><ix:nonNumeric contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630" name="us-gaap:ScheduleOfShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeTextBlock" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90ZXh0cmVnaW9uOmYwZTE1OWEwNjBhMDRkMmFiNjRhMWU2OGUyZWI0MDY1XzU0OTc1NTgxNDE2NTk_c74a20d4-a261-4e33-a164-c92a9261a7ed" escape="true"><div style="line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">The following table summarizes information about our stock options outstanding at June 30, 2018:</span></div><div style="line-height:120%;text-align:justify;"><span><br/></span></div><div style="line-height:120%;"><span><br/></span></div><div><table style="margin-left:auto;margin-right:auto;border-collapse:collapse;text-align:left;text-indent:0pt;display:inline-table;width:99.415205%;"><tr><td style="width:1.0%;"></td><td style="width:38.588235%;"></td><td style="width:1.0%;"></td><td style="width:1.0%;"></td><td style="width:9.323529%;"></td><td style="width:1.0%;"></td><td style="width:0.1%;"></td><td style="width:0.535294%;"></td><td style="width:0.1%;"></td><td style="width:1.0%;"></td><td style="width:9.176471%;"></td><td style="width:1.0%;"></td><td style="width:0.1%;"></td><td style="width:0.535294%;"></td><td style="width:0.1%;"></td><td style="width:1.0%;"></td><td style="width:9.323529%;"></td><td style="width:1.0%;"></td><td style="width:0.1%;"></td><td style="width:0.535294%;"></td><td style="width:0.1%;"></td><td style="width:1.0%;"></td><td style="width:9.323529%;"></td><td style="width:1.0%;"></td><td style="width:0.1%;"></td><td style="width:0.535294%;"></td><td style="width:0.1%;"></td><td style="width:1.0%;"></td><td style="width:9.323529%;"></td><td style="width:1.0%;"></td></tr><tr><td colspan="3" rowspan="2" style="padding-top:2px;padding-bottom:2px;height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><div style="line-height:100%;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">&#160;</span></div><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">Range of Exercise Prices</span></div></td><td colspan="15" style="padding-top:2px;padding-bottom:2px;height:15pt;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Options Outstanding&#160;</span></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="9" style="padding-top:2px;padding-bottom:2px;height:15pt;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Options Exercisable&#160;</span></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td></tr><tr><td colspan="3" style="display:none;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Shares&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;padding-right:1pt;"><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">Weighted</span></div><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">Average</span></div><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">Remaining</span></div><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">Contractual</span></div><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">Life (years)</span></div></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;padding-right:1pt;"><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">Weighted</span></div><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">Average</span></div><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">Exercise</span></div><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">Price</span></div></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Shares&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;padding-right:1pt;"><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">Weighted</span></div><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">Average</span></div><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">Exercise</span></div><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">Price</span></div></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:6pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$0.01-15.70</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="shares" contextRef="ib5d6a39927d04594b3aec4244799dab3_I20180630" decimals="INF" format="ixt:numdotdecimal" name="us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90YWJsZTplYThiOGVkMjFkMDM0ZDFjODgxZmFiMDZhNjliMTdlNy90YWJsZXJhbmdlOmVhOGI4ZWQyMWQwMzRkMWM4ODFmYWIwNmE2OWIxN2U3XzItMS0xLTEtODgw_4d3503bf-9485-46fc-978c-2bc568bd04d5">65,852</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonNumeric contextRef="i50eb0c29340e48d991163cc7a6662229_D20180101-20180630" format="ixt-sec:duryear" name="us-gaap:SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageRemainingContractualTerm2" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90YWJsZTplYThiOGVkMjFkMDM0ZDFjODgxZmFiMDZhNjliMTdlNy90YWJsZXJhbmdlOmVhOGI4ZWQyMWQwMzRkMWM4ODFmYWIwNmE2OWIxN2U3XzItMy0xLTEtODgw_06967541-1fda-4d6f-ac43-bd4c0e6eef3c">1.06</ix:nonNumeric></span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usdPerShare" contextRef="ib5d6a39927d04594b3aec4244799dab3_I20180630" decimals="2" name="us-gaap:SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90YWJsZTplYThiOGVkMjFkMDM0ZDFjODgxZmFiMDZhNjliMTdlNy90YWJsZXJhbmdlOmVhOGI4ZWQyMWQwMzRkMWM4ODFmYWIwNmE2OWIxN2U3XzItNS0xLTEtODgw_df054609-8951-432b-90bd-488ead69b970">9.82</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="shares" contextRef="ib5d6a39927d04594b3aec4244799dab3_I20180630" decimals="INF" format="ixt:numdotdecimal" name="us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90YWJsZTplYThiOGVkMjFkMDM0ZDFjODgxZmFiMDZhNjliMTdlNy90YWJsZXJhbmdlOmVhOGI4ZWQyMWQwMzRkMWM4ODFmYWIwNmE2OWIxN2U3XzItNy0xLTEtODgw_eff7d10b-d30c-4a44-b56c-853ce5c7c2c6">65,852</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usdPerShare" contextRef="ib5d6a39927d04594b3aec4244799dab3_I20180630" decimals="2" name="us-gaap:SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90YWJsZTplYThiOGVkMjFkMDM0ZDFjODgxZmFiMDZhNjliMTdlNy90YWJsZXJhbmdlOmVhOGI4ZWQyMWQwMzRkMWM4ODFmYWIwNmE2OWIxN2U3XzItOS0xLTEtODgw_7e4dc658-2613-4b77-9901-36a3183cc9f9">9.82</ix:nonFraction>&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:6pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$15.71-17.81</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="shares" contextRef="ic8e7b7a946fe401a99256e776a0c0c3a_I20180630" decimals="INF" format="ixt:numdotdecimal" name="us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90YWJsZTplYThiOGVkMjFkMDM0ZDFjODgxZmFiMDZhNjliMTdlNy90YWJsZXJhbmdlOmVhOGI4ZWQyMWQwMzRkMWM4ODFmYWIwNmE2OWIxN2U3XzMtMS0xLTEtODgw_a279de22-95b8-4419-b4f3-e9b815df0b3e">67,750</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonNumeric contextRef="idc1af9d8958c4d259f1ccd157ab2adf9_D20180101-20180630" format="ixt-sec:duryear" name="us-gaap:SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageRemainingContractualTerm2" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90YWJsZTplYThiOGVkMjFkMDM0ZDFjODgxZmFiMDZhNjliMTdlNy90YWJsZXJhbmdlOmVhOGI4ZWQyMWQwMzRkMWM4ODFmYWIwNmE2OWIxN2U3XzMtMy0xLTEtODgw_30949cb1-74bf-464a-86fe-9c8efc6df4f9">1.37</ix:nonNumeric></span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usdPerShare" contextRef="ic8e7b7a946fe401a99256e776a0c0c3a_I20180630" decimals="2" name="us-gaap:SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90YWJsZTplYThiOGVkMjFkMDM0ZDFjODgxZmFiMDZhNjliMTdlNy90YWJsZXJhbmdlOmVhOGI4ZWQyMWQwMzRkMWM4ODFmYWIwNmE2OWIxN2U3XzMtNS0xLTEtODgw_d64342f5-693d-40a5-b066-e38461e8ff0f">17.53</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="shares" contextRef="ic8e7b7a946fe401a99256e776a0c0c3a_I20180630" decimals="INF" format="ixt:numdotdecimal" name="us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90YWJsZTplYThiOGVkMjFkMDM0ZDFjODgxZmFiMDZhNjliMTdlNy90YWJsZXJhbmdlOmVhOGI4ZWQyMWQwMzRkMWM4ODFmYWIwNmE2OWIxN2U3XzMtNy0xLTEtODgw_b79ea7b3-8a91-4ca8-a5da-8d67c68eeae1">67,750</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usdPerShare" contextRef="ic8e7b7a946fe401a99256e776a0c0c3a_I20180630" decimals="2" name="us-gaap:SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90YWJsZTplYThiOGVkMjFkMDM0ZDFjODgxZmFiMDZhNjliMTdlNy90YWJsZXJhbmdlOmVhOGI4ZWQyMWQwMzRkMWM4ODFmYWIwNmE2OWIxN2U3XzMtOS0xLTEtODgw_c92614e0-e6b0-4305-861d-653f11c9ec40">17.53</ix:nonFraction>&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:6pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$17.82-20.48</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="shares" contextRef="ia3c028d104e746e38406266e165b017c_I20180630" decimals="INF" format="ixt:numdotdecimal" name="us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90YWJsZTplYThiOGVkMjFkMDM0ZDFjODgxZmFiMDZhNjliMTdlNy90YWJsZXJhbmdlOmVhOGI4ZWQyMWQwMzRkMWM4ODFmYWIwNmE2OWIxN2U3XzQtMS0xLTEtODgw_3cd238a5-1df9-4bea-a292-971f4ab3e426">54,250</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonNumeric contextRef="i1e13495543ba4eb5a035647ba087c172_D20180101-20180630" format="ixt-sec:duryear" name="us-gaap:SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageRemainingContractualTerm2" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90YWJsZTplYThiOGVkMjFkMDM0ZDFjODgxZmFiMDZhNjliMTdlNy90YWJsZXJhbmdlOmVhOGI4ZWQyMWQwMzRkMWM4ODFmYWIwNmE2OWIxN2U3XzQtMy0xLTEtODgw_f23e5308-281a-4388-8da3-42b7cf6ec13e">2.97</ix:nonNumeric></span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usdPerShare" contextRef="ia3c028d104e746e38406266e165b017c_I20180630" decimals="2" name="us-gaap:SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90YWJsZTplYThiOGVkMjFkMDM0ZDFjODgxZmFiMDZhNjliMTdlNy90YWJsZXJhbmdlOmVhOGI4ZWQyMWQwMzRkMWM4ODFmYWIwNmE2OWIxN2U3XzQtNS0xLTEtODgw_8e870512-1da4-4b63-a53a-56319994f3a6">19.39</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="shares" contextRef="ia3c028d104e746e38406266e165b017c_I20180630" decimals="INF" format="ixt:numdotdecimal" name="us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90YWJsZTplYThiOGVkMjFkMDM0ZDFjODgxZmFiMDZhNjliMTdlNy90YWJsZXJhbmdlOmVhOGI4ZWQyMWQwMzRkMWM4ODFmYWIwNmE2OWIxN2U3XzQtNy0xLTEtODgw_af1afa2b-3aff-4ccb-bb98-2833e51a608a">54,250</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usdPerShare" contextRef="ia3c028d104e746e38406266e165b017c_I20180630" decimals="2" name="us-gaap:SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90YWJsZTplYThiOGVkMjFkMDM0ZDFjODgxZmFiMDZhNjliMTdlNy90YWJsZXJhbmdlOmVhOGI4ZWQyMWQwMzRkMWM4ODFmYWIwNmE2OWIxN2U3XzQtOS0xLTEtODgw_9ec83337-9dba-4a70-8405-468cc44384d4">19.39</ix:nonFraction>&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:6pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$20.49-33.36</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="shares" contextRef="i67b51d155e90478b88717cf814ac0480_I20180630" decimals="INF" format="ixt:numdotdecimal" name="us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90YWJsZTplYThiOGVkMjFkMDM0ZDFjODgxZmFiMDZhNjliMTdlNy90YWJsZXJhbmdlOmVhOGI4ZWQyMWQwMzRkMWM4ODFmYWIwNmE2OWIxN2U3XzUtMS0xLTEtODgw_b3348715-2e74-4444-805b-79731ddd1c59">130,418</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonNumeric contextRef="ib975e9ae79a94480869a0195b2e5eb50_D20180101-20180630" format="ixt-sec:duryear" name="us-gaap:SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageRemainingContractualTerm2" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90YWJsZTplYThiOGVkMjFkMDM0ZDFjODgxZmFiMDZhNjliMTdlNy90YWJsZXJhbmdlOmVhOGI4ZWQyMWQwMzRkMWM4ODFmYWIwNmE2OWIxN2U3XzUtMy0xLTEtODgw_b4a72579-3cb9-4c77-9390-692d1c0b0f8d">6.83</ix:nonNumeric></span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usdPerShare" contextRef="i67b51d155e90478b88717cf814ac0480_I20180630" decimals="2" name="us-gaap:SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90YWJsZTplYThiOGVkMjFkMDM0ZDFjODgxZmFiMDZhNjliMTdlNy90YWJsZXJhbmdlOmVhOGI4ZWQyMWQwMzRkMWM4ODFmYWIwNmE2OWIxN2U3XzUtNS0xLTEtODgw_48cc3c61-0aaa-4421-af02-ab3c4b17273c">27.26</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="shares" contextRef="i67b51d155e90478b88717cf814ac0480_I20180630" decimals="INF" format="ixt:numdotdecimal" name="us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90YWJsZTplYThiOGVkMjFkMDM0ZDFjODgxZmFiMDZhNjliMTdlNy90YWJsZXJhbmdlOmVhOGI4ZWQyMWQwMzRkMWM4ODFmYWIwNmE2OWIxN2U3XzUtNy0xLTEtODgw_81edff36-7deb-40b6-8783-b613117b2a59">108,886</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usdPerShare" contextRef="i67b51d155e90478b88717cf814ac0480_I20180630" decimals="2" name="us-gaap:SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90YWJsZTplYThiOGVkMjFkMDM0ZDFjODgxZmFiMDZhNjliMTdlNy90YWJsZXJhbmdlOmVhOGI4ZWQyMWQwMzRkMWM4ODFmYWIwNmE2OWIxN2U3XzUtOS0xLTEtODgw_c5cb6968-09a5-483c-93c7-85eeaf905c20">27.09</ix:nonFraction>&#160;</span></td></tr><tr><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="shares" contextRef="i4a0749d860044c61bf1ca42bfa4d1200_I20180630" decimals="INF" format="ixt:numdotdecimal" name="us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90YWJsZTplYThiOGVkMjFkMDM0ZDFjODgxZmFiMDZhNjliMTdlNy90YWJsZXJhbmdlOmVhOGI4ZWQyMWQwMzRkMWM4ODFmYWIwNmE2OWIxN2U3XzYtMS0xLTEtODgw_956a0dbe-d595-4223-bda9-ec11d347228c">318,270</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonNumeric contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630" format="ixt-sec:duryear" name="us-gaap:SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageRemainingContractualTerm2" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90YWJsZTplYThiOGVkMjFkMDM0ZDFjODgxZmFiMDZhNjliMTdlNy90YWJsZXJhbmdlOmVhOGI4ZWQyMWQwMzRkMWM4ODFmYWIwNmE2OWIxN2U3XzYtMy0xLTEtODgw_a80bf265-b786-451e-a37f-fdd0d914e650">3.82</ix:nonNumeric></span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usdPerShare" contextRef="i4a0749d860044c61bf1ca42bfa4d1200_I20180630" decimals="2" name="us-gaap:SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90YWJsZTplYThiOGVkMjFkMDM0ZDFjODgxZmFiMDZhNjliMTdlNy90YWJsZXJhbmdlOmVhOGI4ZWQyMWQwMzRkMWM4ODFmYWIwNmE2OWIxN2U3XzYtNS0xLTEtODgw_9852bfcf-5150-4eba-ba73-4fbb63226055">20.24</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="shares" contextRef="i4a0749d860044c61bf1ca42bfa4d1200_I20180630" decimals="INF" format="ixt:numdotdecimal" name="us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90YWJsZTplYThiOGVkMjFkMDM0ZDFjODgxZmFiMDZhNjliMTdlNy90YWJsZXJhbmdlOmVhOGI4ZWQyMWQwMzRkMWM4ODFmYWIwNmE2OWIxN2U3XzYtNy0xLTEtODgw_496d09f8-10b3-4f64-b805-f9f609237f32">296,738</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usdPerShare" contextRef="i4a0749d860044c61bf1ca42bfa4d1200_I20180630" decimals="2" name="us-gaap:SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90YWJsZTplYThiOGVkMjFkMDM0ZDFjODgxZmFiMDZhNjliMTdlNy90YWJsZXJhbmdlOmVhOGI4ZWQyMWQwMzRkMWM4ODFmYWIwNmE2OWIxN2U3XzYtOS0xLTEtODgw_4e263289-cf13-4222-b8d7-74612ebc74ba">19.67</ix:nonFraction>&#160;</span></td></tr></table></div></ix:nonNumeric><div style="line-height:120%;"><span><br/></span></div><div style="line-height:120%;text-align:justify;"><span><br/></span></div><ix:nonNumeric contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630" name="us-gaap:ScheduleOfStockOptionsRollForwardTableTextBlock" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90ZXh0cmVnaW9uOmYwZTE1OWEwNjBhMDRkMmFiNjRhMWU2OGUyZWI0MDY1XzU0OTc1NTgxNDE2NjA_eb3dfe73-094b-42a9-9b18-17ca164dd0c4" escape="true"><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">The summary of the status of our unvested stock options as of December 31, 2017 and changes during the six months ended&#160;June 30, 2018 is presented below.</span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span><br/></span></div><div style="line-height:120%;"><span><br/></span></div><div><table style="margin-left:auto;margin-right:auto;border-collapse:collapse;text-align:left;text-indent:0pt;display:inline-table;width:99.561404%;"><tr><td style="width:1.0%;"></td><td style="width:72.008811%;"></td><td style="width:1.0%;"></td><td style="width:1.0%;"></td><td style="width:10.628488%;"></td><td style="width:1.0%;"></td><td style="width:0.1%;"></td><td style="width:0.534214%;"></td><td style="width:0.1%;"></td><td style="width:1.0%;"></td><td style="width:10.628488%;"></td><td style="width:1.0%;"></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><div style="line-height:100%;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">&#160;</span></div><div style="line-height:100%;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">&#160;</span></div><div style="line-height:100%;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">&#160;</span></div><div style="line-height:100%;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">Unvested stock options:</span></div></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Shares&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">Weighted Average</span></div><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">Grant Date Fair Value Per Share</span></div></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Unvested at December 31, 2017</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="shares" contextRef="ic4d3c0da31dc4a6d9e6a956840d0f98c_I20171231" decimals="INF" format="ixt:numdotdecimal" name="us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90YWJsZTo4NDRiZTM5NGJiYTE0MGQyOGRhYzZlZTE3MWI1ODZkOC90YWJsZXJhbmdlOjg0NGJlMzk0YmJhMTQwZDI4ZGFjNmVlMTcxYjU4NmQ4XzEtMS0xLTEtODg4_96c1548d-6173-4c95-8714-1e5570dbfbc4">48,581</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usdPerShare" contextRef="ic4d3c0da31dc4a6d9e6a956840d0f98c_I20171231" decimals="2" name="us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90YWJsZTo4NDRiZTM5NGJiYTE0MGQyOGRhYzZlZTE3MWI1ODZkOC90YWJsZXJhbmdlOjg0NGJlMzk0YmJhMTQwZDI4ZGFjNmVlMTcxYjU4NmQ4XzEtMy0xLTEtODg4_dc52dec6-9017-4056-b8d8-bed8a5cfea69">11.41</ix:nonFraction>&#160;</span></td></tr><tr><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Vested</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">(<ix:nonFraction unitRef="shares" contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630" decimals="INF" format="ixt:numdotdecimal" name="us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedNumberOfShares" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90YWJsZTo4NDRiZTM5NGJiYTE0MGQyOGRhYzZlZTE3MWI1ODZkOC90YWJsZXJhbmdlOjg0NGJlMzk0YmJhMTQwZDI4ZGFjNmVlMTcxYjU4NmQ4XzMtMS0xLTEtODg4_c487933a-bd1a-4d26-aea9-a37f4b1372ad">26,549</ix:nonFraction>)</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usdPerShare" contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630" decimals="2" name="us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedWeightedAverageGrantDateFairValue" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90YWJsZTo4NDRiZTM5NGJiYTE0MGQyOGRhYzZlZTE3MWI1ODZkOC90YWJsZXJhbmdlOjg0NGJlMzk0YmJhMTQwZDI4ZGFjNmVlMTcxYjU4NmQ4XzMtMy0xLTEtODg4_0920d677-a297-407a-be7a-f0f3365bd251">10.97</ix:nonFraction>&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><div style="line-height:100%;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">Canceled/Forfeited</span></div></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">(<ix:nonFraction unitRef="shares" contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630" decimals="INF" name="ngs:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsCanceledOrForfeitedNumberOfShares" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90YWJsZTo4NDRiZTM5NGJiYTE0MGQyOGRhYzZlZTE3MWI1ODZkOC90YWJsZXJhbmdlOjg0NGJlMzk0YmJhMTQwZDI4ZGFjNmVlMTcxYjU4NmQ4XzQtMS0xLTEtODg4_2ed2cf7d-e8df-4ffc-a870-af111ec8c11e">500</ix:nonFraction>)</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usdPerShare" contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630" decimals="2" name="ngs:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsCanceledOrForfeitedWeightedAverageGrantDateFairValue" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90YWJsZTo4NDRiZTM5NGJiYTE0MGQyOGRhYzZlZTE3MWI1ODZkOC90YWJsZXJhbmdlOjg0NGJlMzk0YmJhMTQwZDI4ZGFjNmVlMTcxYjU4NmQ4XzQtMy0xLTEtODg4_1d52ff0e-2d18-4eb1-aab9-fe8bd896e64a">11.93</ix:nonFraction>&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Unvested at June 30, 2018</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="shares" contextRef="i4a0749d860044c61bf1ca42bfa4d1200_I20180630" decimals="INF" format="ixt:numdotdecimal" name="us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90YWJsZTo4NDRiZTM5NGJiYTE0MGQyOGRhYzZlZTE3MWI1ODZkOC90YWJsZXJhbmdlOjg0NGJlMzk0YmJhMTQwZDI4ZGFjNmVlMTcxYjU4NmQ4XzUtMS0xLTEtODg4_9ff4d40f-87c7-4d51-9e3f-a599ddaf30aa">21,532</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usdPerShare" contextRef="i4a0749d860044c61bf1ca42bfa4d1200_I20180630" decimals="2" name="us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90YWJsZTo4NDRiZTM5NGJiYTE0MGQyOGRhYzZlZTE3MWI1ODZkOC90YWJsZXJhbmdlOjg0NGJlMzk0YmJhMTQwZDI4ZGFjNmVlMTcxYjU4NmQ4XzUtMy0xLTEtODg4_6a522295-704c-4c65-bcbe-e43a5d344563">11.93</ix:nonFraction>&#160;</span></td></tr></table></div></ix:nonNumeric><div style="line-height:120%;"><span><br/></span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span><br/></span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">As of June 30, 2018, there was&#160;$<ix:nonFraction unitRef="usd" contextRef="i0e79220b10124ff58fbee0d35a075b41_I20180630" decimals="0" format="ixt:numdotdecimal" name="us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90ZXh0cmVnaW9uOmYwZTE1OWEwNjBhMDRkMmFiNjRhMWU2OGUyZWI0MDY1XzEwOTk1MTE2MzAwOTA_2eccade4-7fcb-436b-acab-1c69c1dba487">192,000</ix:nonFraction>&#160;of unrecognized compensation cost related to unvested options.&#160;&#160;Such cost is expected to be recognized over a weighted-average period of&#160;<ix:nonNumeric contextRef="i17400969f1714964bae0d6c054dc5f1c_D20180101-20180630" format="ixt-sec:durwordsen" name="us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90ZXh0cmVnaW9uOmYwZTE1OWEwNjBhMDRkMmFiNjRhMWU2OGUyZWI0MDY1XzU0OTc1NTgxNjI0NQ_5ec305b5-2591-4ef8-97de-b616e071522f">two years</ix:nonNumeric>.&#160;Total compensation expense for stock options was $<ix:nonFraction unitRef="usd" contextRef="i9912625348f94916bbb57df90b17f9f0_D20180401-20180630" decimals="0" format="ixt:numdotdecimal" name="us-gaap:AllocatedShareBasedCompensationExpense" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90ZXh0cmVnaW9uOmYwZTE1OWEwNjBhMDRkMmFiNjRhMWU2OGUyZWI0MDY1XzI3NDg3NzkwNzE4MTM_7e185f55-a80d-4980-a0f1-477d4ef507e8">97,140</ix:nonFraction> and $<ix:nonFraction unitRef="usd" contextRef="if00c604ae3ff4991a360097594f470b5_D20170401-20170630" decimals="0" format="ixt:numdotdecimal" name="us-gaap:AllocatedShareBasedCompensationExpense" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90ZXh0cmVnaW9uOmYwZTE1OWEwNjBhMDRkMmFiNjRhMWU2OGUyZWI0MDY1XzU0OTc1NTgxNjIyNg_1e576c47-3019-4477-b130-636d899efe2e">207,560</ix:nonFraction>&#160;for the six months ended&#160;June 30, 2018 and 2017, respectively. </span></div></ix:continuation><div style="line-height:120%;text-align:justify;"></div><div style="position:relative;width:100%;height:45pt;width:100%;"><div style="position:absolute;bottom:0;width:100%;"><div style="text-align:center;-sec-extract:summary;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:115%;vertical-align:bottom;">8</span></div></div></div><hr style="page-break-after:always"></hr><div style="height:45pt;width:100%;"><div><span><br/></span></div></div><div style="line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-style:italic;line-height:120%;vertical-align:bottom;"><ix:continuation id="i1514e5c219d94825b0617a5e74cf2a7f" continuedAt="iced581aa981645ec945f53f55db13b8b">Restricted Shares/Units:</ix:continuation></span></div><div style="line-height:120%;"><span><br/></span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"><ix:continuation id="iced581aa981645ec945f53f55db13b8b">In accordance with the Company's employment agreement with Stephen Taylor, the Company's Chief Executive Officer, the Compensation Committee reviewed his performance in determining the issuance of restricted common stock.  Based on this review which included consideration of the Company's 2017 performance, Mr. Taylor, was awarded <ix:nonFraction unitRef="shares" contextRef="ia51991f5de484bc991f61322876b55b7_D20180315-20180315" decimals="INF" format="ixt:numdotdecimal" name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90ZXh0cmVnaW9uOmYwZTE1OWEwNjBhMDRkMmFiNjRhMWU2OGUyZWI0MDY1XzM4NDgyOTA2OTk1OTE_afb81750-0890-4886-8583-43dfaa012d34">84,700</ix:nonFraction>&#160;restricted shares/units on March 15, 2018, which vest over&#160;<span style="-sec-ix-hidden:id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90ZXh0cmVnaW9uOmYwZTE1OWEwNjBhMDRkMmFiNjRhMWU2OGUyZWI0MDY1XzQzOTgwNDY1MTM1NzM_95a248aa-ce92-4bd0-aa44-6f89e7607b6b">three</span>&#160;years, in equal annual installments, beginning March 15, 2019. On March 15, 2018, the Compensation Committee awarded <ix:nonFraction unitRef="shares" contextRef="i0690b16ebf594e5c8556cbd4f269d848_D20180315-20180315" decimals="INF" format="ixt:numdotdecimal" name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90ZXh0cmVnaW9uOmYwZTE1OWEwNjBhMDRkMmFiNjRhMWU2OGUyZWI0MDY1XzM4NDgyOTA2OTk2MDY_663a0bd2-1be7-49a1-a892-a64b42490294">20,000</ix:nonFraction> restricted shares/units to each of G. Larry Lawrence, our CFO, and James Hazlett, our Vice President of Technical Services. The restricted shares to Messrs. Lawrence and Hazlett vest over <span style="-sec-ix-hidden:id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90ZXh0cmVnaW9uOmYwZTE1OWEwNjBhMDRkMmFiNjRhMWU2OGUyZWI0MDY1XzQzOTgwNDY1MTM1OTE_2c8384b9-6fc6-4db0-b133-870c768af47b">three</span> years, in equal annual installments, beginning March 15, 2019.  We also awarded and issued <ix:nonFraction unitRef="shares" contextRef="ifaff7bd9d41045a4a6c4c3e3bdfa5f90_D20180101-20180630" decimals="INF" format="ixt:numdotdecimal" name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90ZXh0cmVnaW9uOmYwZTE1OWEwNjBhMDRkMmFiNjRhMWU2OGUyZWI0MDY1XzM4NDgyOTA2OTk2MTQ_b9a8ceae-9c0e-402f-9cf8-7bb4cf930597">16,288</ix:nonFraction> shares of restricted common stock to the independent members of our Board of Directors as partial payment for 2018 services as directors.  The restricted stock issued to our directors vests over <ix:nonNumeric contextRef="ifaff7bd9d41045a4a6c4c3e3bdfa5f90_D20180101-20180630" format="ixt-sec:durwordsen" name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90ZXh0cmVnaW9uOmYwZTE1OWEwNjBhMDRkMmFiNjRhMWU2OGUyZWI0MDY1XzQzOTgwNDY1MTM1OTc_7ed6716e-1ce6-401e-acc8-a008fd3d5060">one year</ix:nonNumeric>, in quarterly installments, beginning March 31, 2019. Total compensation expense related to restricted awards was $<ix:nonFraction unitRef="usd" contextRef="i5a8c23e656684e91af584dc983fd5bf4_D20180101-20180630" decimals="0" format="ixt:numdotdecimal" name="us-gaap:AllocatedShareBasedCompensationExpense" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90ZXh0cmVnaW9uOmYwZTE1OWEwNjBhMDRkMmFiNjRhMWU2OGUyZWI0MDY1XzM4NDgyOTA2OTk2MjQ_ca144f27-3ff4-4f3d-8f2a-522b2896dfa5">978,432</ix:nonFraction> and $<ix:nonFraction unitRef="usd" contextRef="ic79cc187e1f445d284f73f5b4a8b9917_D20170101-20170630" decimals="0" format="ixt:numdotdecimal" name="us-gaap:AllocatedShareBasedCompensationExpense" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90ZXh0cmVnaW9uOmYwZTE1OWEwNjBhMDRkMmFiNjRhMWU2OGUyZWI0MDY1XzM4NDgyOTA2OTk2Mjc_d4fbd80f-711b-4f33-9dfa-90fe54f932ba">2,209,455</ix:nonFraction> for the six months ended&#160;June 30, 2018 and 2017, respectively.  As of June 30, 2018, there was a total of $<ix:nonFraction unitRef="usd" contextRef="i5035c6c8d5d94c7c8e2d8f88eca3287b_I20180630" decimals="0" format="ixt:numdotdecimal" name="us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90ZXh0cmVnaW9uOmYwZTE1OWEwNjBhMDRkMmFiNjRhMWU2OGUyZWI0MDY1XzM4NDgyOTA2OTk2NDk_45c06f3c-542d-4949-98ce-ba0ce301fb62">3,864,982</ix:nonFraction> of unrecognized compensation expense related to these shares/units which is expected to be recognized over the next&#160;<span style="-sec-ix-hidden:id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90ZXh0cmVnaW9uOmYwZTE1OWEwNjBhMDRkMmFiNjRhMWU2OGUyZWI0MDY1XzQzOTgwNDY1MTM2MDc_082da9f5-91cd-4885-b93e-02c00fab0307">three</span> years.</ix:continuation> </span></div><div style="line-height:120%;"><span><br/></span></div><div id="i_0_194"></div><div style="line-height:120%;"><span><br/></span></div><div style="line-height:120%;-sec-extract:summary;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:700;line-height:120%;vertical-align:bottom;">(3) <ix:nonNumeric contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630" name="us-gaap:InventoryDisclosureTextBlock" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xOTQvZnJhZzozMWNhMDBmNTVhNDE0NTllODg2M2M4MzEyYTg2Mjc2YS90ZXh0cmVnaW9uOjMxY2EwMGY1NWE0MTQ1OWU4ODYzYzgzMTJhODYyNzZhXzU0OTc1NTgxMzk0NzU_b7288421-288e-4781-a8fa-178284f4cb95" continuedAt="i1c6a8910d28441d28c1b04d4352b28df" escape="true">Inventory</ix:nonNumeric></span></div><div style="line-height:120%;"><span><br/></span></div><ix:continuation id="i1c6a8910d28441d28c1b04d4352b28df"><ix:nonNumeric contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630" name="us-gaap:ScheduleOfInventoryCurrentTableTextBlock" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xOTQvZnJhZzozMWNhMDBmNTVhNDE0NTllODg2M2M4MzEyYTg2Mjc2YS90ZXh0cmVnaW9uOjMxY2EwMGY1NWE0MTQ1OWU4ODYzYzgzMTJhODYyNzZhXzU0OTc1NTgxMzk0NzQ_d091c439-f6c6-4986-a19f-0fb16210ef9a" escape="true"><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">Our inventory, net of allowance for obsolescence of $<ix:nonFraction unitRef="usd" contextRef="i4a0749d860044c61bf1ca42bfa4d1200_I20180630" decimals="0" format="ixt:numdotdecimal" name="us-gaap:InventoryValuationReserves" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xOTQvZnJhZzozMWNhMDBmNTVhNDE0NTllODg2M2M4MzEyYTg2Mjc2YS90ZXh0cmVnaW9uOjMxY2EwMGY1NWE0MTQ1OWU4ODYzYzgzMTJhODYyNzZhXzM4NDgyOTA2OTc2OTk_2875ce6c-761b-4881-ad0f-cc5250ecc17b">20,785</ix:nonFraction> and $<ix:nonFraction unitRef="usd" contextRef="ic4d3c0da31dc4a6d9e6a956840d0f98c_I20171231" decimals="0" format="ixt:numdotdecimal" name="us-gaap:InventoryValuationReserves" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xOTQvZnJhZzozMWNhMDBmNTVhNDE0NTllODg2M2M4MzEyYTg2Mjc2YS90ZXh0cmVnaW9uOjMxY2EwMGY1NWE0MTQ1OWU4ODYzYzgzMTJhODYyNzZhXzM4NDgyOTA2OTc3MDg_e6b73ad0-4bc7-4f7a-a697-3ce4d5bdb101">15,000</ix:nonFraction> at June 30, 2018&#160;and December 31, 2017, respectively, consisted of the following amounts:</span></div><div style="line-height:120%;"><span><br/></span></div><div><table style="margin-left:auto;margin-right:auto;border-collapse:collapse;text-align:left;text-indent:0pt;display:inline-table;width:99.707602%;"><tr><td style="width:1.0%;"></td><td style="width:61.929619%;"></td><td style="width:1.0%;"></td><td style="width:1.0%;"></td><td style="width:16.181818%;"></td><td style="width:1.0%;"></td><td style="width:0.1%;"></td><td style="width:0.533138%;"></td><td style="width:0.1%;"></td><td style="width:1.0%;"></td><td style="width:15.155425%;"></td><td style="width:1.0%;"></td></tr><tr><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">June 30, 2018</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">December 31, 2017</span></td></tr><tr><td colspan="3" style="height:13pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="9" style="padding-top:2px;padding-bottom:2px;height:13pt;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-style:italic;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">(in thousands)&#160;</span></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Raw materials - current</span></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="i4a0749d860044c61bf1ca42bfa4d1200_I20180630" decimals="-3" format="ixt:numdotdecimal" name="ngs:InventoryCurrentRawMaterialsNetofReserves" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xOTQvZnJhZzozMWNhMDBmNTVhNDE0NTllODg2M2M4MzEyYTg2Mjc2YS90YWJsZTozZjQyNTQ5ZDk0ZjI0OWQ3ODQzN2YzOTE4ZmRlMTVlYi90YWJsZXJhbmdlOjNmNDI1NDlkOTRmMjQ5ZDc4NDM3ZjM5MThmZGUxNWViXzItMS0xLTEtMTM2OQ_ccf956ab-0e01-4fb2-8714-e500920c9276">19,565</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="ic4d3c0da31dc4a6d9e6a956840d0f98c_I20171231" decimals="-3" format="ixt:numdotdecimal" name="ngs:InventoryCurrentRawMaterialsNetofReserves" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xOTQvZnJhZzozMWNhMDBmNTVhNDE0NTllODg2M2M4MzEyYTg2Mjc2YS90YWJsZTozZjQyNTQ5ZDk0ZjI0OWQ3ODQzN2YzOTE4ZmRlMTVlYi90YWJsZXJhbmdlOjNmNDI1NDlkOTRmMjQ5ZDc4NDM3ZjM5MThmZGUxNWViXzItMy0xLTEtMTM3Mg_1105dfea-068a-4b40-8c29-b8898edbce2f">22,813</ix:nonFraction>&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Raw materials - long term</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="i4a0749d860044c61bf1ca42bfa4d1200_I20180630" decimals="-3" format="ixt:numdotdecimal" name="ngs:InventoryNoncurrentRawMaterialsNetofReserves" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xOTQvZnJhZzozMWNhMDBmNTVhNDE0NTllODg2M2M4MzEyYTg2Mjc2YS90YWJsZTozZjQyNTQ5ZDk0ZjI0OWQ3ODQzN2YzOTE4ZmRlMTVlYi90YWJsZXJhbmdlOjNmNDI1NDlkOTRmMjQ5ZDc4NDM3ZjM5MThmZGUxNWViXzMtMS0xLTEtMTM2OQ_65ef9e4f-9f18-4fbf-9d87-a039ab662efa">3,467</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="ic4d3c0da31dc4a6d9e6a956840d0f98c_I20171231" decimals="-3" format="ixt:numdotdecimal" name="ngs:InventoryNoncurrentRawMaterialsNetofReserves" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xOTQvZnJhZzozMWNhMDBmNTVhNDE0NTllODg2M2M4MzEyYTg2Mjc2YS90YWJsZTozZjQyNTQ5ZDk0ZjI0OWQ3ODQzN2YzOTE4ZmRlMTVlYi90YWJsZXJhbmdlOjNmNDI1NDlkOTRmMjQ5ZDc4NDM3ZjM5MThmZGUxNWViXzMtMy0xLTEtMTM3Mg_77dab6cf-93de-45e9-af18-8fe830d499b5">2,829</ix:nonFraction>&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Finished Goods</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="i4a0749d860044c61bf1ca42bfa4d1200_I20180630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:InventoryFinishedGoodsNetOfReserves" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xOTQvZnJhZzozMWNhMDBmNTVhNDE0NTllODg2M2M4MzEyYTg2Mjc2YS90YWJsZTozZjQyNTQ5ZDk0ZjI0OWQ3ODQzN2YzOTE4ZmRlMTVlYi90YWJsZXJhbmdlOjNmNDI1NDlkOTRmMjQ5ZDc4NDM3ZjM5MThmZGUxNWViXzQtMS0xLTEtMTM2OQ_c896fbfc-4f08-40f4-aa3f-f6462592a864">1,022</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="ic4d3c0da31dc4a6d9e6a956840d0f98c_I20171231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:InventoryFinishedGoodsNetOfReserves" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xOTQvZnJhZzozMWNhMDBmNTVhNDE0NTllODg2M2M4MzEyYTg2Mjc2YS90YWJsZTozZjQyNTQ5ZDk0ZjI0OWQ3ODQzN2YzOTE4ZmRlMTVlYi90YWJsZXJhbmdlOjNmNDI1NDlkOTRmMjQ5ZDc4NDM3ZjM5MThmZGUxNWViXzQtMy0xLTEtMTM3Mg_ca31c1f6-ce26-4fc5-b962-e8463cdc5f39">1,022</ix:nonFraction>&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Work in process&#160;</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="i4a0749d860044c61bf1ca42bfa4d1200_I20180630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:InventoryWorkInProcessNetOfReserves" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xOTQvZnJhZzozMWNhMDBmNTVhNDE0NTllODg2M2M4MzEyYTg2Mjc2YS90YWJsZTozZjQyNTQ5ZDk0ZjI0OWQ3ODQzN2YzOTE4ZmRlMTVlYi90YWJsZXJhbmdlOjNmNDI1NDlkOTRmMjQ5ZDc4NDM3ZjM5MThmZGUxNWViXzUtMS0xLTEtMTM2OQ_b159cd3e-6c1d-45ee-8820-b49efa36dc82">2,455</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="ic4d3c0da31dc4a6d9e6a956840d0f98c_I20171231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:InventoryWorkInProcessNetOfReserves" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xOTQvZnJhZzozMWNhMDBmNTVhNDE0NTllODg2M2M4MzEyYTg2Mjc2YS90YWJsZTozZjQyNTQ5ZDk0ZjI0OWQ3ODQzN2YzOTE4ZmRlMTVlYi90YWJsZXJhbmdlOjNmNDI1NDlkOTRmMjQ5ZDc4NDM3ZjM5MThmZGUxNWViXzUtMy0xLTEtMTM3Mg_d1f21839-a637-4d14-b8d1-42675efd6e76">2,389</ix:nonFraction>&#160;</span></td></tr><tr><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="i4a0749d860044c61bf1ca42bfa4d1200_I20180630" decimals="-3" format="ixt:numdotdecimal" name="ngs:InventoryCurrentAndNoncurrentNet" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xOTQvZnJhZzozMWNhMDBmNTVhNDE0NTllODg2M2M4MzEyYTg2Mjc2YS90YWJsZTozZjQyNTQ5ZDk0ZjI0OWQ3ODQzN2YzOTE4ZmRlMTVlYi90YWJsZXJhbmdlOjNmNDI1NDlkOTRmMjQ5ZDc4NDM3ZjM5MThmZGUxNWViXzYtMS0xLTEtMTM2OQ_b7991a61-269f-4147-a85e-691bfbdabe06">26,509</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="ic4d3c0da31dc4a6d9e6a956840d0f98c_I20171231" decimals="-3" format="ixt:numdotdecimal" name="ngs:InventoryCurrentAndNoncurrentNet" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xOTQvZnJhZzozMWNhMDBmNTVhNDE0NTllODg2M2M4MzEyYTg2Mjc2YS90YWJsZTozZjQyNTQ5ZDk0ZjI0OWQ3ODQzN2YzOTE4ZmRlMTVlYi90YWJsZXJhbmdlOjNmNDI1NDlkOTRmMjQ5ZDc4NDM3ZjM5MThmZGUxNWViXzYtMy0xLTEtMTM3Mg_a57f9722-07ab-461e-ba90-01936522c40f">29,053</ix:nonFraction>&#160;</span></td></tr></table></div></ix:nonNumeric><div style="line-height:120%;"><span><br/></span></div><div style="line-height:120%;"><span><br/></span></div><div style="line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">Our long-term inventory consists of raw materials that remain viable but that the Company does not expect to sell within the year.</span></div><div style="line-height:120%;text-align:justify;"><span><br/></span></div><div style="line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">During the six months ended June 30, 2018 and 2017, there were&#160;<ix:nonFraction unitRef="usd" contextRef="iae1008ff6a854658ab77be281aab8a0c_D20170101-20170630" decimals="INF" format="ixt-sec:numwordsen" name="ngs:InventoryValuationReservesDeductions" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xOTQvZnJhZzozMWNhMDBmNTVhNDE0NTllODg2M2M4MzEyYTg2Mjc2YS90ZXh0cmVnaW9uOjMxY2EwMGY1NWE0MTQ1OWU4ODYzYzgzMTJhODYyNzZhXzM4NDgyOTA2OTc3MTA_53b2e3c4-c6a3-4628-bb77-2003cb8dead6"><ix:nonFraction unitRef="usd" contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630" decimals="INF" format="ixt-sec:numwordsen" name="ngs:InventoryValuationReservesDeductions" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xOTQvZnJhZzozMWNhMDBmNTVhNDE0NTllODg2M2M4MzEyYTg2Mjc2YS90ZXh0cmVnaW9uOjMxY2EwMGY1NWE0MTQ1OWU4ODYzYzgzMTJhODYyNzZhXzM4NDgyOTA2OTc3MTA_96e4ee10-a2ed-4c6e-b084-4da06c046684">no</ix:nonFraction></ix:nonFraction>&#160;write-offs of obsolete inventory against the allowance for obsolescence.</span></div></ix:continuation><div style="line-height:120%;text-align:justify;"><span><br/></span></div><div id="i_0_249"></div><div style="line-height:120%;"><span><br/></span></div><div style="line-height:120%;-sec-extract:summary;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:700;line-height:120%;vertical-align:bottom;">(4) <ix:nonNumeric contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630" name="us-gaap:CompensationAndEmployeeBenefitPlansTextBlock" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8yNDkvZnJhZzphNjRiOGM3OWFhNDY0ZDZhYmYzNmEwZjI3OTBlZDBmMy90ZXh0cmVnaW9uOmE2NGI4Yzc5YWE0NjRkNmFiZjM2YTBmMjc5MGVkMGYzXzU0OTc1NTgxNDA5OTU_3a847bfd-5663-4f46-a45d-84a518a8507d" continuedAt="i80599c3079374c4a8ece621807b5d03d" escape="true">Deferred Compensation Plans</ix:nonNumeric></span></div><div style="line-height:120%;"><span><br/></span></div><ix:continuation id="i80599c3079374c4a8ece621807b5d03d" continuedAt="ib49bfe1c32b740f0b040148e3f7e96c9"><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">The Company has a non-qualified deferred compensation plan for executive officers, directors and certain eligible employees. The assets of the deferred compensation plan are held in a rabbi trust and are subject to additional risk of loss in the event of bankruptcy or insolvency of the Company. The plan allows for deferral of up to <ix:nonFraction unitRef="number" contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630" decimals="INF" name="ngs:DeferredCompensationArrangementwithIndividualMaximumAnnualContributionsPerEmployeePercent" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8yNDkvZnJhZzphNjRiOGM3OWFhNDY0ZDZhYmYzNmEwZjI3OTBlZDBmMy90ZXh0cmVnaW9uOmE2NGI4Yzc5YWE0NjRkNmFiZjM2YTBmMjc5MGVkMGYzXzMyOTg1MzQ4ODUyMjM_b5fe504c-72dc-45f1-beb8-d2e7da90f89c">90</ix:nonFraction>% of a participant&#8217;s base salary, bonus, commissions, director fees and restricted stock unit awards. A Company owned life insurance policy held in a rabbi trust is utilized as a source of funding for the plan. The cash surrender value of the life insurance policy is $<ix:nonFraction unitRef="usd" contextRef="i4a0749d860044c61bf1ca42bfa4d1200_I20180630" decimals="-3" name="us-gaap:LifeInsuranceCorporateOrBankOwnedAmount" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8yNDkvZnJhZzphNjRiOGM3OWFhNDY0ZDZhYmYzNmEwZjI3OTBlZDBmMy90ZXh0cmVnaW9uOmE2NGI4Yzc5YWE0NjRkNmFiZjM2YTBmMjc5MGVkMGYzXzMyOTg1MzQ4ODUyMjU_5cd15b80-8ab2-404a-a787-9a8546dc6f30">1.0</ix:nonFraction>&#160;million and $<ix:nonFraction unitRef="usd" contextRef="ifaf7beb52b3548fcb1b665aeb3553709_I20170630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:LifeInsuranceCorporateOrBankOwnedAmount" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8yNDkvZnJhZzphNjRiOGM3OWFhNDY0ZDZhYmYzNmEwZjI3OTBlZDBmMy90ZXh0cmVnaW9uOmE2NGI4Yzc5YWE0NjRkNmFiZjM2YTBmMjc5MGVkMGYzXzMyOTg1MzQ4ODUyMjc_9c867d26-0405-4801-b71f-b6be7290d95e">754,000</ix:nonFraction> as of June 30, 2018 and 2017, respectively. For the six months ending June 30, 2018, we reported in other (expense) income in the consolidated income statement a loss related to the policy of approximately $<ix:nonFraction unitRef="usd" contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630" decimals="-3" sign="-" format="ixt:numdotdecimal" name="us-gaap:LifeInsuranceCorporateOrBankOwnedChangeInValue" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8yNDkvZnJhZzphNjRiOGM3OWFhNDY0ZDZhYmYzNmEwZjI3OTBlZDBmMy90ZXh0cmVnaW9uOmE2NGI4Yzc5YWE0NjRkNmFiZjM2YTBmMjc5MGVkMGYzXzMyOTg1MzQ4ODUyMjk_274275ab-6bb2-4d3f-b3d3-2d550700c014">55,000</ix:nonFraction> and for the same period in 2017, a gain of approximately $<ix:nonFraction unitRef="usd" contextRef="iae1008ff6a854658ab77be281aab8a0c_D20170101-20170630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:LifeInsuranceCorporateOrBankOwnedChangeInValue" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8yNDkvZnJhZzphNjRiOGM3OWFhNDY0ZDZhYmYzNmEwZjI3OTBlZDBmMy90ZXh0cmVnaW9uOmE2NGI4Yzc5YWE0NjRkNmFiZjM2YTBmMjc5MGVkMGYzXzMyOTg1MzQ4ODUyMzE_f62f69d8-07af-4286-a163-0f6711e98add">17,000</ix:nonFraction>.</span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span><br/></span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">For deferrals of base salary, bonus, commissions and director fees, settlement payments are made to participants in cash, either in a lump sum or in periodic installments. The obligation to pay the deferred compensation and the deferred director fees is adjusted to reflect the positive or negative performance of investment measurement options selected by each participant and was $<ix:nonFraction unitRef="usd" contextRef="i4a0749d860044c61bf1ca42bfa4d1200_I20180630" decimals="-5" format="ixt:numdotdecimal" name="us-gaap:DeferredCompensationArrangementWithIndividualRecordedLiability" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8yNDkvZnJhZzphNjRiOGM3OWFhNDY0ZDZhYmYzNmEwZjI3OTBlZDBmMy90ZXh0cmVnaW9uOmE2NGI4Yzc5YWE0NjRkNmFiZjM2YTBmMjc5MGVkMGYzXzMyOTg1MzQ4ODUyMzM_440fe3d3-613a-4a37-9c85-e97e4039ebd6">1.1</ix:nonFraction> million&#160;and $<ix:nonFraction unitRef="usd" contextRef="ifaf7beb52b3548fcb1b665aeb3553709_I20170630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:DeferredCompensationArrangementWithIndividualRecordedLiability" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8yNDkvZnJhZzphNjRiOGM3OWFhNDY0ZDZhYmYzNmEwZjI3OTBlZDBmMy90ZXh0cmVnaW9uOmE2NGI4Yzc5YWE0NjRkNmFiZjM2YTBmMjc5MGVkMGYzXzMyOTg1MzQ4ODUyMzU_96ebfc3c-6991-492c-be51-cd572653a073">713,000</ix:nonFraction> as of June 30, 2018 and 2017, respectively. The deferred obligation is included in other long-term liabilities in the condensed consolidated balance sheet. </span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span><br/></span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">For deferrals of restricted stock units, the plan does not allow for diversification, therefore, distributions are paid in shares of common stock and the obligation is carried at grant value. As of June 30, 2018,&#160;<ix:nonFraction unitRef="shares" contextRef="i4a0749d860044c61bf1ca42bfa4d1200_I20180630" decimals="INF" format="ixt:numdotdecimal" name="ngs:DeferredCompensationArrangementwithIndividualDeferredRestrictedStock" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8yNDkvZnJhZzphNjRiOGM3OWFhNDY0ZDZhYmYzNmEwZjI3OTBlZDBmMy90ZXh0cmVnaW9uOmE2NGI4Yzc5YWE0NjRkNmFiZjM2YTBmMjc5MGVkMGYzXzMyOTg1MzQ4ODUyMzg_08693910-591e-4ce1-af1a-096bbef92cf6">103,691</ix:nonFraction> unvested restricted stock </span></div></ix:continuation><div style="position:relative;width:100%;height:45pt;width:100%;"><div style="position:absolute;bottom:0;width:100%;"><div style="text-align:center;-sec-extract:summary;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:115%;vertical-align:bottom;">9</span></div></div></div><hr style="page-break-after:always"></hr><div style="height:45pt;width:100%;"><div><span><br/></span></div></div><div style="line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"><ix:continuation id="ib49bfe1c32b740f0b040148e3f7e96c9">units have been deferred of which&#160;<ix:nonFraction unitRef="shares" contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630" decimals="INF" format="ixt:numdotdecimal" name="us-gaap:DeferredCompensationArrangementWithIndividualSharesIssued" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8yNDkvZnJhZzphNjRiOGM3OWFhNDY0ZDZhYmYzNmEwZjI3OTBlZDBmMy90ZXh0cmVnaW9uOmE2NGI4Yzc5YWE0NjRkNmFiZjM2YTBmMjc5MGVkMGYzXzMyOTg1MzQ4ODUyNDA_f15c7035-37d0-4be5-8806-ae23d89f4815">32,936</ix:nonFraction> units have been released and issued to the deferred compensation plan with a&#160;value of $<ix:nonFraction unitRef="usd" contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630" decimals="0" format="ixt:numdotdecimal" name="us-gaap:DeferredCompensationArrangementWithIndividualFairValueOfSharesIssued" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8yNDkvZnJhZzphNjRiOGM3OWFhNDY0ZDZhYmYzNmEwZjI3OTBlZDBmMy90ZXh0cmVnaW9uOmE2NGI4Yzc5YWE0NjRkNmFiZjM2YTBmMjc5MGVkMGYzXzMyOTg1MzQ4ODUyNDI_01ae3ab8-1338-4e2b-b6ed-a55aa00000a9">837,589</ix:nonFraction>.</ix:continuation></span></div><div style="text-indent:18pt;line-height:120%;text-align:justify;"><span><br/></span></div><div id="i_0_276"></div><div style="line-height:120%;text-align:justify;"><span><br/></span></div><div style="line-height:120%;text-align:justify;-sec-extract:summary;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:700;line-height:120%;vertical-align:bottom;">(5) <ix:nonNumeric contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630" name="us-gaap:DebtDisclosureTextBlock" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8yNzYvZnJhZzo5ZWNhOGY3MjMzZjY0MDJmYjUyZjA4NzRkYzcxMzUwZC90ZXh0cmVnaW9uOjllY2E4ZjcyMzNmNjQwMmZiNTJmMDg3NGRjNzEzNTBkXzU0OTc1NTgxNDQ3Mjg_96716bce-4e87-4ffe-8987-e1102d8bc84a" continuedAt="ia7b14cc6d8824c4093d3afb3d83dabf3" escape="true">Credit Facility</ix:nonNumeric></span></div><div style="line-height:120%;text-align:justify;"><span><br/></span></div><ix:continuation id="ia7b14cc6d8824c4093d3afb3d83dabf3" continuedAt="i6ee471ad7cdd4a30b3201618e9b66e07"><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">We have a senior secured revolving credit agreement the ("Amended Credit Agreement") with JP Morgan Chase Bank, N.A (the "Lender") with an aggregate commitment of&#160;$<ix:nonFraction unitRef="usd" contextRef="ie7cfbc6b43db46e09f63047029882524_I20180630" decimals="INF" format="ixt:numdotdecimal" name="us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8yNzYvZnJhZzo5ZWNhOGY3MjMzZjY0MDJmYjUyZjA4NzRkYzcxMzUwZC90ZXh0cmVnaW9uOjllY2E4ZjcyMzNmNjQwMmZiNTJmMDg3NGRjNzEzNTBkXzMyOTg1MzQ4ODg4NDA_4ec5a19f-3ed4-4478-9f28-293fdd2aa63e">30</ix:nonFraction> million, subject to collateral availability. We also have a right to request from the Lender, on an uncommitted basis, an increase of up to $<ix:nonFraction unitRef="usd" contextRef="i2cfb558360254ebbb58258f9ad5a3f6f_D20180101-20180630" decimals="INF" format="ixt:numdotdecimal" name="ngs:LineOfCreditFacilityPotentialIncreaseInBorrowingCapacity" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8yNzYvZnJhZzo5ZWNhOGY3MjMzZjY0MDJmYjUyZjA4NzRkYzcxMzUwZC90ZXh0cmVnaW9uOjllY2E4ZjcyMzNmNjQwMmZiNTJmMDg3NGRjNzEzNTBkXzMyOTg1MzQ4ODg4NTQ_ff9b6d54-954f-4c1a-a8c6-812ef620d21c">20</ix:nonFraction> million on the aggregate commitment (which could potentially increase the commitment amount to&#160;$<ix:nonFraction unitRef="usd" contextRef="ie7cfbc6b43db46e09f63047029882524_I20180630" decimals="INF" format="ixt:numdotdecimal" name="ngs:LineOfCreditFacilityPotentialMaximumBorrowingCapacity" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8yNzYvZnJhZzo5ZWNhOGY3MjMzZjY0MDJmYjUyZjA4NzRkYzcxMzUwZC90ZXh0cmVnaW9uOjllY2E4ZjcyMzNmNjQwMmZiNTJmMDg3NGRjNzEzNTBkXzMyOTg1MzQ4ODg4NTY_d69c1145-6217-4e6e-92f9-bf262eddb746">50</ix:nonFraction> million).  On August 31, 2017, we amended and renewed the Amended Credit Agreement, which was set to expire on December 31, 2017. The Credit Agreement Amendment extended the maturity date to December 31, 2020. No other material revisions were made to the credit facility.</span></div><div style="text-indent:45pt;line-height:120%;text-align:justify;"><span><br/></span></div><div style="line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-style:italic;line-height:120%;vertical-align:bottom;">Borrowing Base</span><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">. At any time before the maturity of the Amended Credit Agreement, we may draw, repay and re-borrow amounts available under the borrowing base up to the maximum aggregate availability discussed above. Generally, the borrowing base equals the sum of (a)&#160;<ix:nonFraction unitRef="number" contextRef="ie7cfbc6b43db46e09f63047029882524_I20180630" decimals="INF" name="ngs:LineOfCreditFacilityCurrentBorrowingCapacityComponentPercentageOfEligibleAccountsReceivable" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8yNzYvZnJhZzo5ZWNhOGY3MjMzZjY0MDJmYjUyZjA4NzRkYzcxMzUwZC90ZXh0cmVnaW9uOjllY2E4ZjcyMzNmNjQwMmZiNTJmMDg3NGRjNzEzNTBkXzMyOTg1MzQ4ODg4ODg_1e03d943-d782-4b9c-a46e-c185e490c2c2">80</ix:nonFraction>%&#160;of our eligible accounts receivable plus (b) &#160;<ix:nonFraction unitRef="number" contextRef="ie7cfbc6b43db46e09f63047029882524_I20180630" decimals="INF" name="ngs:LineOfCreditFacilityCurrentBorrowingCapacityComponentPercentageOfEligibleGeneralInventory" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8yNzYvZnJhZzo5ZWNhOGY3MjMzZjY0MDJmYjUyZjA4NzRkYzcxMzUwZC90ZXh0cmVnaW9uOjllY2E4ZjcyMzNmNjQwMmZiNTJmMDg3NGRjNzEzNTBkXzMyOTg1MzQ4ODg4OTA_17057a0a-0a4f-4735-9747-65d67ab7c3b5">50</ix:nonFraction>%&#160;of the book value of our eligible general inventory (not to exceed <ix:nonFraction unitRef="number" contextRef="ie7cfbc6b43db46e09f63047029882524_I20180630" decimals="INF" name="ngs:LineOfCreditFacilityCurrentBorrowingCapacityAllowableShareOfTotalCommitmentAmountAttributableToGeneralInventoryComponent" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8yNzYvZnJhZzo5ZWNhOGY3MjMzZjY0MDJmYjUyZjA4NzRkYzcxMzUwZC90ZXh0cmVnaW9uOjllY2E4ZjcyMzNmNjQwMmZiNTJmMDg3NGRjNzEzNTBkXzMyOTg1MzQ4ODg4OTI_4519902a-b503-41f3-b371-89910d4dec9a">50</ix:nonFraction>%&#160;of the commitment amount at the time) plus (c) <ix:nonFraction unitRef="number" contextRef="ie7cfbc6b43db46e09f63047029882524_I20180630" decimals="INF" name="ngs:LineOfCreditFacilityCurrentBorrowingCapacityComponentPercentageOfEligibleEquipmentInventory" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8yNzYvZnJhZzo5ZWNhOGY3MjMzZjY0MDJmYjUyZjA4NzRkYzcxMzUwZC90ZXh0cmVnaW9uOjllY2E4ZjcyMzNmNjQwMmZiNTJmMDg3NGRjNzEzNTBkXzMyOTg1MzQ4ODg4OTQ_294d72b3-5c6e-4b0e-8da0-cfb09ed7eff3">75</ix:nonFraction>%&#160;of the book value of our eligible equipment inventory.&#160;The Lender may adjust the borrowing base components if material deviations in the collateral are discovered in future audits of the collateral. We had&#160;$<ix:nonFraction unitRef="usd" contextRef="ie7cfbc6b43db46e09f63047029882524_I20180630" decimals="-5" format="ixt:numdotdecimal" name="us-gaap:LineOfCreditFacilityCurrentBorrowingCapacity" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8yNzYvZnJhZzo5ZWNhOGY3MjMzZjY0MDJmYjUyZjA4NzRkYzcxMzUwZC90ZXh0cmVnaW9uOjllY2E4ZjcyMzNmNjQwMmZiNTJmMDg3NGRjNzEzNTBkXzMyOTg1MzQ4ODg4OTY_e9ed443c-e2ca-499c-87c5-06bcf6482151">29.5</ix:nonFraction> million borrowing base availability at June 30, 2018 under the terms of our Amended Credit Agreement.</span></div><div style="line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">&#160;</span></div><div style="line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-style:italic;line-height:120%;vertical-align:bottom;">Interest and Fees</span><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">.&#160;&#160;Under the terms of the Amended Credit Agreement, we have the option of selecting the applicable variable rate for each revolving loan, or portion thereof, of either (a)&#160;LIBOR multiplied by the Statutory Reserve Rate (as defined in the Amended Credit Agreement), with respect to this rate, for Eurocurrency funding, plus the Applicable Margin (&#8220;LIBOR-based&#8221;), or (b)&#160;CB Floating Rate, which is the Lender's Prime Rate less the Applicable Margin; provided, however, that no more than <ix:nonFraction unitRef="loan" contextRef="ib9173b11a2f2429f9000b630d3de30b1_I20180630" decimals="INF" format="ixt-sec:numwordsen" name="ngs:LineOfCreditFacilityReferenceRateNumberOfAllowableBorrowingsOutstanding" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8yNzYvZnJhZzo5ZWNhOGY3MjMzZjY0MDJmYjUyZjA4NzRkYzcxMzUwZC90ZXh0cmVnaW9uOjllY2E4ZjcyMzNmNjQwMmZiNTJmMDg3NGRjNzEzNTBkXzMyOTg1MzQ4ODg5NTA_8eb28174-a4b9-404b-ad5a-6b76492c30dc">three</ix:nonFraction> LIBOR-based borrowings under the agreement may be outstanding at any one time.&#160;For purposes of the LIBOR-based interest rate, the Applicable Margin is <ix:nonFraction unitRef="number" contextRef="ia9fbf53aa453443983937be128f6949b_D20180101-20180630" decimals="INF" name="us-gaap:DebtInstrumentBasisSpreadOnVariableRate1" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8yNzYvZnJhZzo5ZWNhOGY3MjMzZjY0MDJmYjUyZjA4NzRkYzcxMzUwZC90ZXh0cmVnaW9uOjllY2E4ZjcyMzNmNjQwMmZiNTJmMDg3NGRjNzEzNTBkXzMyOTg1MzQ4ODg5NTI_c7fb22f2-e061-4fa2-80ee-dec7fb9413d6">1.50</ix:nonFraction>%. For purposes of the CB Floating Rate, the Applicable Margin is <ix:nonFraction unitRef="number" contextRef="ie1094797fe3c43f182d8aa48fc411608_D20180101-20180630" decimals="INF" name="us-gaap:DebtInstrumentBasisSpreadOnVariableRate1" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8yNzYvZnJhZzo5ZWNhOGY3MjMzZjY0MDJmYjUyZjA4NzRkYzcxMzUwZC90ZXh0cmVnaW9uOjllY2E4ZjcyMzNmNjQwMmZiNTJmMDg3NGRjNzEzNTBkXzMyOTg1MzQ4ODg5NTQ_7bf28219-a30e-4fdb-9726-05ccf4848c1f">1.50</ix:nonFraction>%. For the six month period ended June 30, 2018, our weighted average interest rate was <ix:nonFraction unitRef="number" contextRef="i2cfb558360254ebbb58258f9ad5a3f6f_D20180101-20180630" decimals="4" name="us-gaap:LineOfCreditFacilityInterestRateDuringPeriod" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8yNzYvZnJhZzo5ZWNhOGY3MjMzZjY0MDJmYjUyZjA4NzRkYzcxMzUwZC90ZXh0cmVnaW9uOjllY2E4ZjcyMzNmNjQwMmZiNTJmMDg3NGRjNzEzNTBkXzMyOTg1MzQ4ODg5NTY_ec8ec3f9-54c2-4a7a-a5fe-e721bc9a3e0e">3.37</ix:nonFraction>%.</span></div><div style="line-height:120%;text-align:justify;"><span><br/></span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">Accrued interest is payable monthly on outstanding principal amounts, provided that accrued interest on LIBOR-based loans is payable at the end of each interest period, but in no event less frequently than quarterly. In addition, fees and expenses are payable in connection with our requests for letters of credit (generally equal to the Applicable Margin for LIBOR-related borrowings multiplied by the face amount of the requested letter of credit) and administrative and legal costs.</span></div><div style="line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">&#160;</span></div><div style="line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-style:italic;line-height:120%;vertical-align:bottom;">Maturity</span><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">. The maturity date of the Amended Credit Agreement is December&#160;31, 2020, at which time all amounts borrowed under the agreement will be due and outstanding letters of credit must be cash collateralized. The agreement may be terminated early upon our request or the occurrence of an event of default.</span></div><div style="line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">&#160;</span></div><div style="line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-style:italic;line-height:120%;vertical-align:bottom;">Security</span><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">. The obligations under the Amended Credit Agreement are secured by a first priority lien on all of our inventory and accounts and leases receivables, along with a first priority lien on a variable number of our leased compressor equipment the book value of which must be maintained at a minimum of <ix:nonFraction unitRef="number" contextRef="id19f0177eb8942f29ee6c46e3ba9d8f6_D20180101-20180630" decimals="INF" name="ngs:LineofCreditFacilityCommitmentCoverageRatio" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8yNzYvZnJhZzo5ZWNhOGY3MjMzZjY0MDJmYjUyZjA4NzRkYzcxMzUwZC90ZXh0cmVnaW9uOjllY2E4ZjcyMzNmNjQwMmZiNTJmMDg3NGRjNzEzNTBkXzMyOTg1MzQ4ODg5ODg_2632e922-7d31-4dc6-9060-64e266be46db">2.00</ix:nonFraction>&#160;to 1.00&#160;commitment coverage ratio (such ratio being equal to (i) the amount of the borrowing base as of such date to (ii) the amount of the commitment as of such date.)</span></div><div style="line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">&#160;</span></div><div style="line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-style:italic;line-height:120%;vertical-align:bottom;">Covenants.</span><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"> The Amended Credit Agreement contains customary representations and warranties, as well as covenants which, among other things, limit our ability to incur additional indebtedness and liens; enter into transactions with affiliates; make acquisitions in excess of certain amounts; pay dividends; redeem or repurchase capital stock or senior notes; make investments or loans; make negative pledges; consolidate, merge or effect asset sales; or change the nature of our business. In addition, we also have certain financial covenants that require us to maintain on a consolidated basis a leverage ratio less than or equal to&#160;<ix:nonFraction unitRef="number" contextRef="ibc68fe2b3be241dfa33b2f8067418d70_D20180101-20180630" decimals="INF" name="ngs:LineofCreditFacilityLeverageRatio" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8yNzYvZnJhZzo5ZWNhOGY3MjMzZjY0MDJmYjUyZjA4NzRkYzcxMzUwZC90ZXh0cmVnaW9uOjllY2E4ZjcyMzNmNjQwMmZiNTJmMDg3NGRjNzEzNTBkXzMyOTg1MzQ4ODg5OTI_1deeed10-209b-483f-bc24-af539503c2a1">2.50</ix:nonFraction>&#160;to 1.00 as of the last day of each fiscal quarter.</span></div><div style="line-height:120%;text-align:justify;"><span><br/></span></div><div style="line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-style:italic;line-height:120%;vertical-align:bottom;">Events of Default and Acceleration.</span><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"> The Amended Credit Agreement contains customary events of default for credit facilities of this size and type, and includes, without limitation, payment defaults; defaults in performance of covenants or other agreements contained in the loan documents; inaccuracies in representations and warranties; certain defaults, termination events or similar events; certain defaults with respect to any other Company indebtedness in excess of $<ix:nonFraction unitRef="usd" contextRef="ie7cfbc6b43db46e09f63047029882524_I20180630" decimals="INF" format="ixt:numdotdecimal" name="ngs:LineOfCreditFacilityDefaultTriggerCertainDefaultsOfOtherCompanyIndebtednessAmount" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8yNzYvZnJhZzo5ZWNhOGY3MjMzZjY0MDJmYjUyZjA4NzRkYzcxMzUwZC90ZXh0cmVnaW9uOjllY2E4ZjcyMzNmNjQwMmZiNTJmMDg3NGRjNzEzNTBkXzMyOTg1MzQ4ODg5OTY_a64c2dde-37d6-4784-b6fa-0035f094406c">50,000</ix:nonFraction>; certain bankruptcy or insolvency events; the rendering of certain judgments in excess of $<ix:nonFraction unitRef="usd" contextRef="ie7cfbc6b43db46e09f63047029882524_I20180630" decimals="INF" format="ixt:numdotdecimal" name="ngs:LineOfCreditFacilityDefaultTriggerRenderingOfCertainJudgmentsAmount" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8yNzYvZnJhZzo5ZWNhOGY3MjMzZjY0MDJmYjUyZjA4NzRkYzcxMzUwZC90ZXh0cmVnaW9uOjllY2E4ZjcyMzNmNjQwMmZiNTJmMDg3NGRjNzEzNTBkXzMyOTg1MzQ4ODg5OTg_b17aa917-8086-402c-92dc-84dcfa432ac3">150,000</ix:nonFraction>; certain ERISA events; certain change in control events and the defectiveness of any liens under the secured revolving credit facility.  Obligations under the Amended Credit Agreement may be accelerated upon the occurrence of an event of default.</span></div><div style="line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">&#160;</span></div></ix:continuation><div style="text-indent:36pt;line-height:120%;text-align:justify;"></div><div style="position:relative;width:100%;height:45pt;width:100%;"><div style="position:absolute;bottom:0;width:100%;"><div style="text-align:center;-sec-extract:summary;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:115%;vertical-align:bottom;">10</span></div></div></div><hr style="page-break-after:always"></hr><div style="height:45pt;width:100%;"><div><span><br/></span></div></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"><ix:continuation id="i6ee471ad7cdd4a30b3201618e9b66e07">As of June 30, 2018, we were in compliance with all covenants in our Amended Credit Agreement.&#160;&#160;A default under our Credit Agreement could trigger the acceleration of our bank debt so that it is immediately due and payable.&#160;&#160;Such default would likely limit our ability to access other credit. At June 30, 2018 and December 31, 2017 our outstanding balance on the line&#160;of credit was $<ix:nonFraction unitRef="usd" contextRef="i3bfdc33954c04e2298ca19dbca0d31bc_I20171231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:LineOfCredit" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8yNzYvZnJhZzo5ZWNhOGY3MjMzZjY0MDJmYjUyZjA4NzRkYzcxMzUwZC90ZXh0cmVnaW9uOjllY2E4ZjcyMzNmNjQwMmZiNTJmMDg3NGRjNzEzNTBkXzMyOTg1MzQ4ODkwMDA_17273cee-33bb-4ac2-8c8d-733ae5a5fc89"><ix:nonFraction unitRef="usd" contextRef="ie7cfbc6b43db46e09f63047029882524_I20180630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:LineOfCredit" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8yNzYvZnJhZzo5ZWNhOGY3MjMzZjY0MDJmYjUyZjA4NzRkYzcxMzUwZC90ZXh0cmVnaW9uOjllY2E4ZjcyMzNmNjQwMmZiNTJmMDg3NGRjNzEzNTBkXzMyOTg1MzQ4ODkwMDA_e1baf409-736e-4472-a22b-603aba7936ae">417,000</ix:nonFraction></ix:nonFraction>.</ix:continuation></span></div><div id="i_0_317"></div><div style="line-height:120%;"><span><br/></span></div><div style="line-height:120%;-sec-extract:summary;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:700;line-height:120%;vertical-align:bottom;">(6)&#160;<ix:nonNumeric contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630" name="us-gaap:EarningsPerShareTextBlock" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zMTcvZnJhZzozZWEyNzY5ODA0MDQ0NGFiOTk4MTM5ZGJhY2NmNWU2OS90ZXh0cmVnaW9uOjNlYTI3Njk4MDQwNDQ0YWI5OTgxMzlkYmFjY2Y1ZTY5XzQ2NzI5MjQ0MTgyMzA0_880bf778-54b8-410b-ae50-32e7f57d9a53" continuedAt="iab693c64e30844a7b5cc73ca46008d81" escape="true">Earnings per Share</ix:nonNumeric></span></div><div style="line-height:120%;"><span><br/></span></div><ix:continuation id="iab693c64e30844a7b5cc73ca46008d81" continuedAt="i8a46e3e7884044eeb19b9f7421f851f1"><ix:nonNumeric contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630" name="us-gaap:ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zMTcvZnJhZzozZWEyNzY5ODA0MDQ0NGFiOTk4MTM5ZGJhY2NmNWU2OS90ZXh0cmVnaW9uOjNlYTI3Njk4MDQwNDQ0YWI5OTgxMzlkYmFjY2Y1ZTY5XzU0OTc1NTgxMzk0MTI_7a1946f6-b885-4498-9a96-c7f01cf4f9af" escape="true"><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">The following table reconciles the numerators and denominators of the basic and diluted earnings per share computation&#160;</span><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-style:italic;line-height:120%;vertical-align:bottom;">(in thousands, except per share data)</span><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">:</span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span><br/></span></div><div style="line-height:120%;text-align:center;"><span><br/></span></div><div style="text-align:center;"><table style="margin-left:auto;margin-right:auto;border-collapse:collapse;text-align:left;text-indent:0pt;display:inline-table;width:99.990000%;"><tr><td style="width:1.0%;"></td><td style="width:39.081871%;"></td><td style="width:1.0%;"></td><td style="width:1.0%;"></td><td style="width:10.573099%;"></td><td style="width:1.0%;"></td><td style="width:1.0%;"></td><td style="width:1.261988%;"></td><td style="width:1.0%;"></td><td style="width:1.0%;"></td><td style="width:10.719298%;"></td><td style="width:1.0%;"></td><td style="width:1.0%;"></td><td style="width:2.139181%;"></td><td style="width:1.0%;"></td><td style="width:1.0%;"></td><td style="width:12.619883%;"></td><td style="width:1.0%;"></td><td style="width:0.1%;"></td><td style="width:0.384795%;"></td><td style="width:0.1%;"></td><td style="width:1.0%;"></td><td style="width:12.619883%;"></td><td style="width:1.0%;"></td></tr><tr><td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="9" style="padding-top:2px;padding-bottom:2px;height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">Three months ended</span></div></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="9" style="padding-top:2px;padding-bottom:2px;height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">Six months ended</span></div></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td></tr><tr><td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="9" style="padding-top:2px;padding-bottom:2px;height:15pt;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">June 30, &#160;</span></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="9" style="padding-top:2px;padding-bottom:2px;height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">June 30,</span></div></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td></tr><tr><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">2018</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">2017</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">2018</span></div></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">2017</span></div></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Numerator:</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;padding-right:1pt;"></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:18pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Net income&#160;</span></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="i486ae96497a44bee87d62f2f3d814d35_D20180401-20180630" decimals="-3" name="us-gaap:NetIncomeLoss" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zMTcvZnJhZzozZWEyNzY5ODA0MDQ0NGFiOTk4MTM5ZGJhY2NmNWU2OS90YWJsZTo5YzljZDc2ZDFmMjc0YjA1OGRjMjZjOTVhNjNlMDdkMi90YWJsZXJhbmdlOjljOWNkNzZkMWYyNzRiMDU4ZGMyNmM5NWE2M2UwN2QyXzQtMS0xLTEtMTAwNA_e411a1c0-7cff-4f65-b78d-209af2705d56">247</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="i201ed1d2fdd042c0bd171af3de0e4482_D20170401-20170630" decimals="-3" name="us-gaap:NetIncomeLoss" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zMTcvZnJhZzozZWEyNzY5ODA0MDQ0NGFiOTk4MTM5ZGJhY2NmNWU2OS90YWJsZTo5YzljZDc2ZDFmMjc0YjA1OGRjMjZjOTVhNjNlMDdkMi90YWJsZXJhbmdlOjljOWNkNzZkMWYyNzRiMDU4ZGMyNmM5NWE2M2UwN2QyXzQtMy0xLTEtMTAwNA_73c0698f-80d3-46ea-9908-4ad841410218">375</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630" decimals="-3" name="us-gaap:NetIncomeLoss" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zMTcvZnJhZzozZWEyNzY5ODA0MDQ0NGFiOTk4MTM5ZGJhY2NmNWU2OS90YWJsZTo5YzljZDc2ZDFmMjc0YjA1OGRjMjZjOTVhNjNlMDdkMi90YWJsZXJhbmdlOjljOWNkNzZkMWYyNzRiMDU4ZGMyNmM5NWE2M2UwN2QyXzQtNS0xLTEtMTAwNA_a54470cf-0cd0-44e8-93f0-928839de9aa0">472</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="iae1008ff6a854658ab77be281aab8a0c_D20170101-20170630" decimals="-3" name="us-gaap:NetIncomeLoss" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zMTcvZnJhZzozZWEyNzY5ODA0MDQ0NGFiOTk4MTM5ZGJhY2NmNWU2OS90YWJsZTo5YzljZDc2ZDFmMjc0YjA1OGRjMjZjOTVhNjNlMDdkMi90YWJsZXJhbmdlOjljOWNkNzZkMWYyNzRiMDU4ZGMyNmM5NWE2M2UwN2QyXzQtNy0xLTEtMTAwNA_bf4c5ba7-6ca1-4b4e-b673-d53a3f4b1f7a">627</ix:nonFraction>&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Denominator for basic net income per common share:</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:3pt double #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:3pt double #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:3pt double #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:3pt double #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:18pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Weighted average common shares outstanding&#160;</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="shares" contextRef="i486ae96497a44bee87d62f2f3d814d35_D20180401-20180630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:WeightedAverageNumberOfSharesOutstandingBasic" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zMTcvZnJhZzozZWEyNzY5ODA0MDQ0NGFiOTk4MTM5ZGJhY2NmNWU2OS90YWJsZTo5YzljZDc2ZDFmMjc0YjA1OGRjMjZjOTVhNjNlMDdkMi90YWJsZXJhbmdlOjljOWNkNzZkMWYyNzRiMDU4ZGMyNmM5NWE2M2UwN2QyXzYtMS0xLTEtMTAwNA_17ac5949-47a5-479f-92db-429b54e79fa4">12,963</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="shares" contextRef="i201ed1d2fdd042c0bd171af3de0e4482_D20170401-20170630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:WeightedAverageNumberOfSharesOutstandingBasic" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zMTcvZnJhZzozZWEyNzY5ODA0MDQ0NGFiOTk4MTM5ZGJhY2NmNWU2OS90YWJsZTo5YzljZDc2ZDFmMjc0YjA1OGRjMjZjOTVhNjNlMDdkMi90YWJsZXJhbmdlOjljOWNkNzZkMWYyNzRiMDU4ZGMyNmM5NWE2M2UwN2QyXzYtMy0xLTEtMTAwNA_00947f67-d06a-4a70-98ae-fb44a465705f">12,831</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="shares" contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:WeightedAverageNumberOfSharesOutstandingBasic" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zMTcvZnJhZzozZWEyNzY5ODA0MDQ0NGFiOTk4MTM5ZGJhY2NmNWU2OS90YWJsZTo5YzljZDc2ZDFmMjc0YjA1OGRjMjZjOTVhNjNlMDdkMi90YWJsZXJhbmdlOjljOWNkNzZkMWYyNzRiMDU4ZGMyNmM5NWE2M2UwN2QyXzYtNS0xLTEtMTAwNA_61785b2f-d4db-4deb-9da6-6d3d35c5cf4a">12,941</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="shares" contextRef="iae1008ff6a854658ab77be281aab8a0c_D20170101-20170630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:WeightedAverageNumberOfSharesOutstandingBasic" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zMTcvZnJhZzozZWEyNzY5ODA0MDQ0NGFiOTk4MTM5ZGJhY2NmNWU2OS90YWJsZTo5YzljZDc2ZDFmMjc0YjA1OGRjMjZjOTVhNjNlMDdkMi90YWJsZXJhbmdlOjljOWNkNzZkMWYyNzRiMDU4ZGMyNmM5NWE2M2UwN2QyXzYtNy0xLTEtMTAwNA_b01cb7f5-700a-4834-9632-b149c178005e">12,818</ix:nonFraction>&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Denominator for diluted net income per share:</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:3pt double #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:3pt double #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:3pt double #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:3pt double #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:18pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Weighted average common shares outstanding</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="shares" contextRef="i486ae96497a44bee87d62f2f3d814d35_D20180401-20180630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:WeightedAverageNumberOfSharesOutstandingBasic" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zMTcvZnJhZzozZWEyNzY5ODA0MDQ0NGFiOTk4MTM5ZGJhY2NmNWU2OS90YWJsZTo5YzljZDc2ZDFmMjc0YjA1OGRjMjZjOTVhNjNlMDdkMi90YWJsZXJhbmdlOjljOWNkNzZkMWYyNzRiMDU4ZGMyNmM5NWE2M2UwN2QyXzgtMS0xLTEtMTAwNA_f47d9f79-6e31-4b4a-9cff-933252fee480">12,963</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="shares" contextRef="i201ed1d2fdd042c0bd171af3de0e4482_D20170401-20170630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:WeightedAverageNumberOfSharesOutstandingBasic" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zMTcvZnJhZzozZWEyNzY5ODA0MDQ0NGFiOTk4MTM5ZGJhY2NmNWU2OS90YWJsZTo5YzljZDc2ZDFmMjc0YjA1OGRjMjZjOTVhNjNlMDdkMi90YWJsZXJhbmdlOjljOWNkNzZkMWYyNzRiMDU4ZGMyNmM5NWE2M2UwN2QyXzgtMy0xLTEtMTAwNA_64112401-860c-48d4-b9ff-764ae6b17ca8">12,831</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="shares" contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:WeightedAverageNumberOfSharesOutstandingBasic" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zMTcvZnJhZzozZWEyNzY5ODA0MDQ0NGFiOTk4MTM5ZGJhY2NmNWU2OS90YWJsZTo5YzljZDc2ZDFmMjc0YjA1OGRjMjZjOTVhNjNlMDdkMi90YWJsZXJhbmdlOjljOWNkNzZkMWYyNzRiMDU4ZGMyNmM5NWE2M2UwN2QyXzgtNS0xLTEtMTAwNA_c0f45b36-73dc-4b9b-a5f3-9a2079135371">12,941</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="shares" contextRef="iae1008ff6a854658ab77be281aab8a0c_D20170101-20170630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:WeightedAverageNumberOfSharesOutstandingBasic" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zMTcvZnJhZzozZWEyNzY5ODA0MDQ0NGFiOTk4MTM5ZGJhY2NmNWU2OS90YWJsZTo5YzljZDc2ZDFmMjc0YjA1OGRjMjZjOTVhNjNlMDdkMi90YWJsZXJhbmdlOjljOWNkNzZkMWYyNzRiMDU4ZGMyNmM5NWE2M2UwN2QyXzgtNy0xLTEtMTAwNA_eb18d3b7-5db7-402a-827e-611083193411">12,818</ix:nonFraction>&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:18pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Dilutive effect of stock options and restricted stock</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="shares" contextRef="i486ae96497a44bee87d62f2f3d814d35_D20180401-20180630" decimals="-3" name="us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zMTcvZnJhZzozZWEyNzY5ODA0MDQ0NGFiOTk4MTM5ZGJhY2NmNWU2OS90YWJsZTo5YzljZDc2ZDFmMjc0YjA1OGRjMjZjOTVhNjNlMDdkMi90YWJsZXJhbmdlOjljOWNkNzZkMWYyNzRiMDU4ZGMyNmM5NWE2M2UwN2QyXzktMS0xLTEtMTAwNA_393b9715-5c85-4ee3-8f1b-1378d54fe6a8">298</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="shares" contextRef="i201ed1d2fdd042c0bd171af3de0e4482_D20170401-20170630" decimals="-3" name="us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zMTcvZnJhZzozZWEyNzY5ODA0MDQ0NGFiOTk4MTM5ZGJhY2NmNWU2OS90YWJsZTo5YzljZDc2ZDFmMjc0YjA1OGRjMjZjOTVhNjNlMDdkMi90YWJsZXJhbmdlOjljOWNkNzZkMWYyNzRiMDU4ZGMyNmM5NWE2M2UwN2QyXzktMy0xLTEtMTAwNA_6d372256-90ff-45a9-afe4-2c8166cde629">299</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="shares" contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630" decimals="-3" name="us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zMTcvZnJhZzozZWEyNzY5ODA0MDQ0NGFiOTk4MTM5ZGJhY2NmNWU2OS90YWJsZTo5YzljZDc2ZDFmMjc0YjA1OGRjMjZjOTVhNjNlMDdkMi90YWJsZXJhbmdlOjljOWNkNzZkMWYyNzRiMDU4ZGMyNmM5NWE2M2UwN2QyXzktNS0xLTEtMTAwNA_864f8f47-cd8a-4cde-9e70-6eeb1e4a2d42">274</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="shares" contextRef="iae1008ff6a854658ab77be281aab8a0c_D20170101-20170630" decimals="-3" name="us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zMTcvZnJhZzozZWEyNzY5ODA0MDQ0NGFiOTk4MTM5ZGJhY2NmNWU2OS90YWJsZTo5YzljZDc2ZDFmMjc0YjA1OGRjMjZjOTVhNjNlMDdkMi90YWJsZXJhbmdlOjljOWNkNzZkMWYyNzRiMDU4ZGMyNmM5NWE2M2UwN2QyXzktNy0xLTEtMTAwNA_8a144281-08fb-4105-8ccf-286c7edc3cf9">275</ix:nonFraction>&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:18pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Diluted weighted average shares</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="shares" contextRef="i486ae96497a44bee87d62f2f3d814d35_D20180401-20180630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zMTcvZnJhZzozZWEyNzY5ODA0MDQ0NGFiOTk4MTM5ZGJhY2NmNWU2OS90YWJsZTo5YzljZDc2ZDFmMjc0YjA1OGRjMjZjOTVhNjNlMDdkMi90YWJsZXJhbmdlOjljOWNkNzZkMWYyNzRiMDU4ZGMyNmM5NWE2M2UwN2QyXzEwLTEtMS0xLTEwMDQ_bda3a00c-d9c4-4f61-8634-48f438c99664">13,261</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="shares" contextRef="i201ed1d2fdd042c0bd171af3de0e4482_D20170401-20170630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zMTcvZnJhZzozZWEyNzY5ODA0MDQ0NGFiOTk4MTM5ZGJhY2NmNWU2OS90YWJsZTo5YzljZDc2ZDFmMjc0YjA1OGRjMjZjOTVhNjNlMDdkMi90YWJsZXJhbmdlOjljOWNkNzZkMWYyNzRiMDU4ZGMyNmM5NWE2M2UwN2QyXzEwLTMtMS0xLTEwMDQ_ddd2a560-bf1c-4444-9db7-d3973860429e">13,130</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="shares" contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zMTcvZnJhZzozZWEyNzY5ODA0MDQ0NGFiOTk4MTM5ZGJhY2NmNWU2OS90YWJsZTo5YzljZDc2ZDFmMjc0YjA1OGRjMjZjOTVhNjNlMDdkMi90YWJsZXJhbmdlOjljOWNkNzZkMWYyNzRiMDU4ZGMyNmM5NWE2M2UwN2QyXzEwLTUtMS0xLTEwMDQ_b8158630-3048-43bf-8fe4-c7deba2234cb">13,215</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="shares" contextRef="iae1008ff6a854658ab77be281aab8a0c_D20170101-20170630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zMTcvZnJhZzozZWEyNzY5ODA0MDQ0NGFiOTk4MTM5ZGJhY2NmNWU2OS90YWJsZTo5YzljZDc2ZDFmMjc0YjA1OGRjMjZjOTVhNjNlMDdkMi90YWJsZXJhbmdlOjljOWNkNzZkMWYyNzRiMDU4ZGMyNmM5NWE2M2UwN2QyXzEwLTctMS0xLTEwMDQ_9ae6f81f-f7e2-4495-9ffd-5278bdd353d0">13,093</ix:nonFraction>&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Earnings per common share:</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:3pt double #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:3pt double #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:3pt double #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:3pt double #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:18pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Basic&#160;</span></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usdPerShare" contextRef="i486ae96497a44bee87d62f2f3d814d35_D20180401-20180630" decimals="2" name="us-gaap:EarningsPerShareBasic" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zMTcvZnJhZzozZWEyNzY5ODA0MDQ0NGFiOTk4MTM5ZGJhY2NmNWU2OS90YWJsZTo5YzljZDc2ZDFmMjc0YjA1OGRjMjZjOTVhNjNlMDdkMi90YWJsZXJhbmdlOjljOWNkNzZkMWYyNzRiMDU4ZGMyNmM5NWE2M2UwN2QyXzAyZjNBQUFBREFBQUFBd0FBQUFCQUFBQUFRQUFBQUFBQUJQSkFBQSUzRA_cd7735fd-eb11-4cec-b1d9-4f204a8042e7">0.02</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usdPerShare" contextRef="i201ed1d2fdd042c0bd171af3de0e4482_D20170401-20170630" decimals="2" name="us-gaap:EarningsPerShareBasic" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zMTcvZnJhZzozZWEyNzY5ODA0MDQ0NGFiOTk4MTM5ZGJhY2NmNWU2OS90YWJsZTo5YzljZDc2ZDFmMjc0YjA1OGRjMjZjOTVhNjNlMDdkMi90YWJsZXJhbmdlOjljOWNkNzZkMWYyNzRiMDU4ZGMyNmM5NWE2M2UwN2QyXzAyZjVBQUFBREFBQUFBd0FBQUFEQUFBQUF3QUFBQUFBQUJQTkFBQSUzRA_c5c88c72-3d5e-4ba5-9db3-1b96ae7be9c9">0.03</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usdPerShare" contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630" decimals="2" name="us-gaap:EarningsPerShareBasic" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zMTcvZnJhZzozZWEyNzY5ODA0MDQ0NGFiOTk4MTM5ZGJhY2NmNWU2OS90YWJsZTo5YzljZDc2ZDFmMjc0YjA1OGRjMjZjOTVhNjNlMDdkMi90YWJsZXJhbmdlOjljOWNkNzZkMWYyNzRiMDU4ZGMyNmM5NWE2M2UwN2QyXzAyY2JBQUFBREFBQUFBd0FBQUFGQUFBQUJRQUFBQUFBQUJQUkFBQSUzRA_b941c3a8-520d-47c2-b06f-dbcb3cb2f94d">0.04</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usdPerShare" contextRef="iae1008ff6a854658ab77be281aab8a0c_D20170101-20170630" decimals="2" name="us-gaap:EarningsPerShareBasic" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zMTcvZnJhZzozZWEyNzY5ODA0MDQ0NGFiOTk4MTM5ZGJhY2NmNWU2OS90YWJsZTo5YzljZDc2ZDFmMjc0YjA1OGRjMjZjOTVhNjNlMDdkMi90YWJsZXJhbmdlOjljOWNkNzZkMWYyNzRiMDU4ZGMyNmM5NWE2M2UwN2QyXzAyY2ZBQUFBREFBQUFBd0FBQUFIQUFBQUJ3QUFBQUFBQUJQVkFBQSUzRA_2858844a-ce41-4c22-9776-fc4fdf4a4eda">0.05</ix:nonFraction>&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:18pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Diluted&#160;</span></td><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usdPerShare" contextRef="i486ae96497a44bee87d62f2f3d814d35_D20180401-20180630" decimals="2" name="us-gaap:EarningsPerShareDiluted" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zMTcvZnJhZzozZWEyNzY5ODA0MDQ0NGFiOTk4MTM5ZGJhY2NmNWU2OS90YWJsZTo5YzljZDc2ZDFmMjc0YjA1OGRjMjZjOTVhNjNlMDdkMi90YWJsZXJhbmdlOjljOWNkNzZkMWYyNzRiMDU4ZGMyNmM5NWE2M2UwN2QyXzAyZjJBQUFBRFFBQUFBMEFBQUFCQUFBQUFRQUFBQUFBQUJQTEFBQSUzRA_bcb7b278-15c2-4315-9edf-1684fc80b91a">0.02</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usdPerShare" contextRef="i201ed1d2fdd042c0bd171af3de0e4482_D20170401-20170630" decimals="2" name="us-gaap:EarningsPerShareDiluted" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zMTcvZnJhZzozZWEyNzY5ODA0MDQ0NGFiOTk4MTM5ZGJhY2NmNWU2OS90YWJsZTo5YzljZDc2ZDFmMjc0YjA1OGRjMjZjOTVhNjNlMDdkMi90YWJsZXJhbmdlOjljOWNkNzZkMWYyNzRiMDU4ZGMyNmM5NWE2M2UwN2QyXzAyZjZBQUFBRFFBQUFBMEFBQUFEQUFBQUF3QUFBQUFBQUJQUEFBQSUzRA_17c71667-78c1-469c-bdfc-2ee489ecbe61">0.03</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usdPerShare" contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630" decimals="2" name="us-gaap:EarningsPerShareDiluted" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zMTcvZnJhZzozZWEyNzY5ODA0MDQ0NGFiOTk4MTM5ZGJhY2NmNWU2OS90YWJsZTo5YzljZDc2ZDFmMjc0YjA1OGRjMjZjOTVhNjNlMDdkMi90YWJsZXJhbmdlOjljOWNkNzZkMWYyNzRiMDU4ZGMyNmM5NWE2M2UwN2QyXzAyYzhBQUFBRFFBQUFBMEFBQUFGQUFBQUJRQUFBQUFBQUJQVEFBQSUzRA_aa47d0a3-5006-4cca-9c22-3cede0ef825c">0.04</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usdPerShare" contextRef="iae1008ff6a854658ab77be281aab8a0c_D20170101-20170630" decimals="2" name="us-gaap:EarningsPerShareDiluted" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zMTcvZnJhZzozZWEyNzY5ODA0MDQ0NGFiOTk4MTM5ZGJhY2NmNWU2OS90YWJsZTo5YzljZDc2ZDFmMjc0YjA1OGRjMjZjOTVhNjNlMDdkMi90YWJsZXJhbmdlOjljOWNkNzZkMWYyNzRiMDU4ZGMyNmM5NWE2M2UwN2QyXzAyY2VBQUFBRFFBQUFBMEFBQUFIQUFBQUJ3QUFBQUFBQUJQWEFBQSUzRA_01557434-a457-4ed3-918c-6f2dc861036d">0.05</ix:nonFraction>&#160;</span></td></tr></table></div></ix:nonNumeric><div style="line-height:120%;text-align:center;"><span><br/></span></div><div style="line-height:120%;text-align:justify;"><span><br/></span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">In the three and six months ended June 30, 2018, options to purchase&#160;<ix:nonFraction unitRef="shares" contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630" decimals="INF" format="ixt:numdotdecimal" name="us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zMTcvZnJhZzozZWEyNzY5ODA0MDQ0NGFiOTk4MTM5ZGJhY2NmNWU2OS90ZXh0cmVnaW9uOjNlYTI3Njk4MDQwNDQ0YWI5OTgxMzlkYmFjY2Y1ZTY5XzMyOTg1MzQ4ODM3ODU_97cee06d-6462-4bea-b092-afbd0b0b97a7"><ix:nonFraction unitRef="shares" contextRef="i486ae96497a44bee87d62f2f3d814d35_D20180401-20180630" decimals="INF" format="ixt:numdotdecimal" name="us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zMTcvZnJhZzozZWEyNzY5ODA0MDQ0NGFiOTk4MTM5ZGJhY2NmNWU2OS90ZXh0cmVnaW9uOjNlYTI3Njk4MDQwNDQ0YWI5OTgxMzlkYmFjY2Y1ZTY5XzMyOTg1MzQ4ODM3ODU_df903c7a-682c-4a8c-abe1-d7af4dbbd180">83,417</ix:nonFraction></ix:nonFraction>&#160;shares of common stock with exercise prices ranging from $<ix:nonFraction unitRef="usdPerShare" contextRef="i44cf146e9b604b5eaabc66941a245877_D20180401-20180630" decimals="2" name="us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zMTcvZnJhZzozZWEyNzY5ODA0MDQ0NGFiOTk4MTM5ZGJhY2NmNWU2OS90ZXh0cmVnaW9uOjNlYTI3Njk4MDQwNDQ0YWI5OTgxMzlkYmFjY2Y1ZTY5XzMyOTg1MzQ4ODM3OTk_6714282b-e8ad-4bac-97b3-00e51e46a5df"><ix:nonFraction unitRef="usdPerShare" contextRef="ic96acdbd8973447fb8b96fd76c1f6c39_D20180101-20180630" decimals="2" name="us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zMTcvZnJhZzozZWEyNzY5ODA0MDQ0NGFiOTk4MTM5ZGJhY2NmNWU2OS90ZXh0cmVnaW9uOjNlYTI3Njk4MDQwNDQ0YWI5OTgxMzlkYmFjY2Y1ZTY5XzMyOTg1MzQ4ODM3OTk_fe3b7e82-05ab-4b4a-bed5-ae8442406b4d">28.15</ix:nonFraction></ix:nonFraction>&#160;to $<ix:nonFraction unitRef="usdPerShare" contextRef="i44cf146e9b604b5eaabc66941a245877_D20180401-20180630" decimals="2" name="us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zMTcvZnJhZzozZWEyNzY5ODA0MDQ0NGFiOTk4MTM5ZGJhY2NmNWU2OS90ZXh0cmVnaW9uOjNlYTI3Njk4MDQwNDQ0YWI5OTgxMzlkYmFjY2Y1ZTY5XzMyOTg1MzQ4ODM4MDE_81195601-b0fc-4314-8b63-c1609a18f82e"><ix:nonFraction unitRef="usdPerShare" contextRef="ic96acdbd8973447fb8b96fd76c1f6c39_D20180101-20180630" decimals="2" name="us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zMTcvZnJhZzozZWEyNzY5ODA0MDQ0NGFiOTk4MTM5ZGJhY2NmNWU2OS90ZXh0cmVnaW9uOjNlYTI3Njk4MDQwNDQ0YWI5OTgxMzlkYmFjY2Y1ZTY5XzMyOTg1MzQ4ODM4MDE_c77d488d-9dd4-44cd-8654-15062a63ddc3">33.36</ix:nonFraction></ix:nonFraction>&#160;were not included in the computation of dilutive income per share, due to their antidilutive effect.</span></div></ix:continuation><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span><br/></span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"><ix:continuation id="i8a46e3e7884044eeb19b9f7421f851f1">In the three and&#160;six months ended June 30, 2017, options to purchase <ix:nonFraction unitRef="shares" contextRef="iae1008ff6a854658ab77be281aab8a0c_D20170101-20170630" decimals="INF" format="ixt:numdotdecimal" name="us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zMTcvZnJhZzozZWEyNzY5ODA0MDQ0NGFiOTk4MTM5ZGJhY2NmNWU2OS90ZXh0cmVnaW9uOjNlYTI3Njk4MDQwNDQ0YWI5OTgxMzlkYmFjY2Y1ZTY5XzU0OTc1NTgxNDA2OTk_9a29b14b-5b2e-4c75-9498-e7027279fb80"><ix:nonFraction unitRef="shares" contextRef="i201ed1d2fdd042c0bd171af3de0e4482_D20170401-20170630" decimals="INF" format="ixt:numdotdecimal" name="us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zMTcvZnJhZzozZWEyNzY5ODA0MDQ0NGFiOTk4MTM5ZGJhY2NmNWU2OS90ZXh0cmVnaW9uOjNlYTI3Njk4MDQwNDQ0YWI5OTgxMzlkYmFjY2Y1ZTY5XzU0OTc1NTgxNDA2OTY_da1585a3-58cc-4606-8abf-9a9dc9d9c577">83,917</ix:nonFraction></ix:nonFraction> shares of common stock with exercise prices ranging from $<ix:nonFraction unitRef="usdPerShare" contextRef="i2137dbcd383a404e8d7dd86d9f294431_D20170101-20170630" decimals="2" name="us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zMTcvZnJhZzozZWEyNzY5ODA0MDQ0NGFiOTk4MTM5ZGJhY2NmNWU2OS90ZXh0cmVnaW9uOjNlYTI3Njk4MDQwNDQ0YWI5OTgxMzlkYmFjY2Y1ZTY5XzU0OTc1NTgxNDA2OTc_9bd4e1c6-3e09-4784-a93e-8d0b290d09de"><ix:nonFraction unitRef="usdPerShare" contextRef="ib7103fd1db234a2bbbc50936b157fd64_D20170401-20170630" decimals="2" name="us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zMTcvZnJhZzozZWEyNzY5ODA0MDQ0NGFiOTk4MTM5ZGJhY2NmNWU2OS90ZXh0cmVnaW9uOjNlYTI3Njk4MDQwNDQ0YWI5OTgxMzlkYmFjY2Y1ZTY5XzU0OTc1NTgxNDA3MDA_d87412d1-f980-4fae-80b6-a95c3340ef19">28.15</ix:nonFraction></ix:nonFraction> to $<ix:nonFraction unitRef="usdPerShare" contextRef="ib7103fd1db234a2bbbc50936b157fd64_D20170401-20170630" decimals="2" name="us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zMTcvZnJhZzozZWEyNzY5ODA0MDQ0NGFiOTk4MTM5ZGJhY2NmNWU2OS90ZXh0cmVnaW9uOjNlYTI3Njk4MDQwNDQ0YWI5OTgxMzlkYmFjY2Y1ZTY5XzU0OTc1NTgxNDA3MDE_5b754f9e-33f0-4d01-a08d-6fe146e8bcf8"><ix:nonFraction unitRef="usdPerShare" contextRef="i2137dbcd383a404e8d7dd86d9f294431_D20170101-20170630" decimals="2" name="us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zMTcvZnJhZzozZWEyNzY5ODA0MDQ0NGFiOTk4MTM5ZGJhY2NmNWU2OS90ZXh0cmVnaW9uOjNlYTI3Njk4MDQwNDQ0YWI5OTgxMzlkYmFjY2Y1ZTY5XzU0OTc1NTgxNDA2OTg_39c8bf97-9e63-4436-b122-d30842cdc600">33.36</ix:nonFraction></ix:nonFraction> were not included in the computation of dilutive income per share, due to their antidilutive effect.</ix:continuation>&#160;</span></div><div style="line-height:120%;text-align:justify;"><span><br/></span></div><div id="i_0_344"></div><div style="line-height:120%;text-align:justify;"><span><br/></span></div><div style="line-height:120%;text-align:justify;-sec-extract:summary;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:700;line-height:120%;vertical-align:bottom;">(7) <ix:nonNumeric contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630" name="us-gaap:SegmentReportingDisclosureTextBlock" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90ZXh0cmVnaW9uOjM1YTkyNmRiN2ZmNjQ4ZTFhYzUyZjdlNjdiOWNjZTFhXzYwNDczMTM5NTgwODk_0686cdd0-2447-4171-a1f5-f7dfd402a692" continuedAt="i9fd7bf7ac7d341ffba0c95b66f144291" escape="true">Segment Information</ix:nonNumeric></span></div><ix:continuation id="i9fd7bf7ac7d341ffba0c95b66f144291" continuedAt="i75d6d0e029c94098a3cced1b42b4237c"><div style="line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">&#160;</span></div><ix:nonNumeric contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630" name="us-gaap:SegmentReportingPolicyPolicyTextBlock" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90ZXh0cmVnaW9uOjM1YTkyNmRiN2ZmNjQ4ZTFhYzUyZjdlNjdiOWNjZTFhXzU0OTc1NTgxNDEzODk_2d318e62-bf6c-41b6-8a38-0d8a93501307" continuedAt="iad42f251d91240949cc5b8a60ed67e46" escape="true"><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">ASC 280-10-50, &#8220;Operating Segments", defines the characteristics of an operating segment as: a) being engaged in business activity from which it may earn revenue and incur expenses, b) being reviewed by the Company's chief operating decision maker (CODM) for decisions about resources to be allocated and assess its performance and c) having discrete financial information.&#160;&#160;Although we look at our products to analyze the nature of our revenue, other financial information, such as certain costs and expenses, net income and EBITDA are not captured or analyzed by these categories.&#160;&#160;Our CODM does not make resource allocation decisions or access the performance of the business based on these categories, but rather in the aggregate. Based on this, management believes that it operates in&#160;<ix:nonFraction unitRef="segment" contextRef="i486ae96497a44bee87d62f2f3d814d35_D20180401-20180630" decimals="INF" format="ixt-sec:numwordsen" name="us-gaap:NumberOfOperatingSegments" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90ZXh0cmVnaW9uOjM1YTkyNmRiN2ZmNjQ4ZTFhYzUyZjdlNjdiOWNjZTFhXzMyOTg1MzQ4ODU4MTg_eeac46fe-8470-4408-aa90-b38bbcd85f25">one</ix:nonFraction>&#160;business segment.</span></div><div style="line-height:120%;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">&#160; </span></div><div style="text-indent:45pt;line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">In their analysis of product lines as potential operating segments, management also considered ASC 280-10-50-11, &#8220;Aggregation Criteria&#8221;, which allows for the aggregation of operating segments if the segments have similar economic characteristics and if the segments are similar in each of the following areas: </span></div><div style="line-height:120%;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">&#160; </span></div><div style="text-indent:-18pt;padding-left:36pt;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">&#8226;    The nature of the products and services;</span></div><div style="line-height:120%;"><span><br/></span></div><div style="text-indent:-18pt;padding-left:36pt;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">&#8226;    The nature of the production processes; </span></div></ix:nonNumeric></ix:continuation><div style="line-height:120%;"><span><br/></span></div><div style="position:relative;width:100%;height:45pt;width:100%;"><div style="position:absolute;bottom:0;width:100%;"><div style="text-align:center;-sec-extract:summary;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:115%;vertical-align:bottom;">11</span></div></div></div><hr style="page-break-after:always"></hr><div style="height:45pt;width:100%;"><div><span><br/></span></div></div><ix:continuation id="i75d6d0e029c94098a3cced1b42b4237c"><ix:continuation id="iad42f251d91240949cc5b8a60ed67e46"><div style="text-indent:-18pt;padding-left:36pt;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">&#8226;    The type or class of customer for their products and services; </span></div><div style="line-height:120%;"><span><br/></span></div><div style="text-indent:-18pt;padding-left:36pt;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">&#8226;    The methods used to distribute their products or provide their services; and</span></div><div style="line-height:120%;"><span><br/></span></div><div style="text-indent:-18pt;padding-left:36pt;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">&#8226;    The nature of the regulatory environment, if applicable.</span></div><div style="line-height:120%;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">&#160; </span></div><ix:nonNumeric contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630" name="us-gaap:ScheduleOfSegmentReportingInformationBySegmentTextBlock" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90ZXh0cmVnaW9uOjM1YTkyNmRiN2ZmNjQ4ZTFhYzUyZjdlNjdiOWNjZTFhXzYwNDczMTM5NTgwOTA_8e25f5db-9495-46fd-9c14-b2035697e456" escape="true"><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">We are engaged in the business of designing and manufacturing compressors and flares. Our compressors and flares are sold and rented to our customers. In addition, we provide service and maintenance on compressors in our fleet and to third parties.  These business activities are similar in all geographic areas.&#160;&#160;Our manufacturing  process is essentially the same for the entire Company and is performed in-house at our facilities in Midland, Texas and Tulsa, Oklahoma.&#160;&#160;Our customers primarily consist of entities in the business of producing natural gas and crude oil.&#160;&#160;The maintenance and service of our products is consistent across the entire Company and is performed via an internal fleet of vehicles.&#160;&#160;The regulatory environment is similar in every jurisdiction in that the most impacting regulations and practices are the result of federal energy policy.&#160;&#160;In addition, the economic characteristics of each customer arrangement are similar in that we maintain policies at the corporate level.</span></div><div style="line-height:120%;text-align:center;"><span><br/></span></div><div style="line-height:120%;"><span><br/></span></div><div><table style="margin-left:auto;margin-right:auto;border-collapse:collapse;text-align:left;text-indent:0pt;display:inline-table;width:99.415205%;"><tr><td style="width:1.0%;"></td><td style="width:44.617647%;"></td><td style="width:1.0%;"></td><td style="width:1.0%;"></td><td style="width:8.000000%;"></td><td style="width:1.0%;"></td><td style="width:0.1%;"></td><td style="width:0.535294%;"></td><td style="width:0.1%;"></td><td style="width:1.0%;"></td><td style="width:6.970588%;"></td><td style="width:1.0%;"></td><td style="width:0.1%;"></td><td style="width:0.535294%;"></td><td style="width:0.1%;"></td><td style="width:1.0%;"></td><td style="width:9.470588%;"></td><td style="width:1.0%;"></td><td style="width:0.1%;"></td><td style="width:0.535294%;"></td><td style="width:0.1%;"></td><td style="width:1.0%;"></td><td style="width:8.000000%;"></td><td style="width:1.0%;"></td><td style="width:0.1%;"></td><td style="width:0.535294%;"></td><td style="width:0.1%;"></td><td style="width:1.0%;"></td><td style="width:8.000000%;"></td><td style="width:1.0%;"></td></tr><tr><td colspan="30" style="padding-top:2px;padding-bottom:2px;height:14pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:700;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">For the three months ended June 30, 2018 (in thousands):&#160;</span></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td></tr><tr><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Rental&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Sales&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Service &amp; Maintenance&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Corporate&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Total&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Revenue&#160;</span></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="i9233ec8328ea4b0a99565d735d384d4e_D20180401-20180630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:Revenues" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTpiZDY0NmJhNTEyNGI0NGFlYTBlYzg4ZGRkNzNiMDgyNC90YWJsZXJhbmdlOmJkNjQ2YmE1MTI0YjQ0YWVhMGVjODhkZGQ3M2IwODI0XzItMS0xLTEtMTAwOA_ca8f82b5-41cf-4685-9b1b-4a54d964c27c">11,427</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="i1e76e585074743348f526a9ae178ae91_D20180401-20180630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:Revenues" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTpiZDY0NmJhNTEyNGI0NGFlYTBlYzg4ZGRkNzNiMDgyNC90YWJsZXJhbmdlOmJkNjQ2YmE1MTI0YjQ0YWVhMGVjODhkZGQ3M2IwODI0XzItMy0xLTEtMTAxNQ_27fa552c-e57f-4324-b4ce-d3a4e6ee212b">6,383</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="i8dd14a6624eb4309a15ccb85a55a83a5_D20180401-20180630" decimals="-3" name="us-gaap:Revenues" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTpiZDY0NmJhNTEyNGI0NGFlYTBlYzg4ZGRkNzNiMDgyNC90YWJsZXJhbmdlOmJkNjQ2YmE1MTI0YjQ0YWVhMGVjODhkZGQ3M2IwODI0XzItNS0xLTEtMTAxMg_96fb99ab-4516-4635-ac74-1d79e5f417ce">394</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="i3218d69f2dd948ef91d6f52103907513_D20180401-20180630" decimals="-3" format="ixt:zerodash" name="us-gaap:Revenues" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTpiZDY0NmJhNTEyNGI0NGFlYTBlYzg4ZGRkNzNiMDgyNC90YWJsZXJhbmdlOmJkNjQ2YmE1MTI0YjQ0YWVhMGVjODhkZGQ3M2IwODI0XzItOS0xLTEtMTAxMw_44d86e46-5f17-477a-9aab-890a69d8ecd5">&#8212;</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="i486ae96497a44bee87d62f2f3d814d35_D20180401-20180630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:Revenues" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTpiZDY0NmJhNTEyNGI0NGFlYTBlYzg4ZGRkNzNiMDgyNC90YWJsZXJhbmdlOmJkNjQ2YmE1MTI0YjQ0YWVhMGVjODhkZGQ3M2IwODI0XzAyNGJBQUFBQWdBQUFBSUFBQUFMQUFBQUN3QUFBQUFBQUFtZ0FBQSUzRA_a58b94f6-1d8b-4194-8d72-4f1f351d2cad">18,204</ix:nonFraction>&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Operating costs and corporate expenses</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="i9233ec8328ea4b0a99565d735d384d4e_D20180401-20180630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:CostsAndExpenses" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTpiZDY0NmJhNTEyNGI0NGFlYTBlYzg4ZGRkNzNiMDgyNC90YWJsZXJhbmdlOmJkNjQ2YmE1MTI0YjQ0YWVhMGVjODhkZGQ3M2IwODI0XzMtMS0xLTEtMTAwOA_a00bce21-8650-442e-b207-0ccade22b523">5,195</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="i1e76e585074743348f526a9ae178ae91_D20180401-20180630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:CostsAndExpenses" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTpiZDY0NmJhNTEyNGI0NGFlYTBlYzg4ZGRkNzNiMDgyNC90YWJsZXJhbmdlOmJkNjQ2YmE1MTI0YjQ0YWVhMGVjODhkZGQ3M2IwODI0XzMtMy0xLTEtMTAxNQ_c4c445f1-5196-4138-8749-ebcb67eb1baa">4,924</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="i8dd14a6624eb4309a15ccb85a55a83a5_D20180401-20180630" decimals="-3" name="us-gaap:CostsAndExpenses" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTpiZDY0NmJhNTEyNGI0NGFlYTBlYzg4ZGRkNzNiMDgyNC90YWJsZXJhbmdlOmJkNjQ2YmE1MTI0YjQ0YWVhMGVjODhkZGQ3M2IwODI0XzMtNS0xLTEtMTAxMg_14791419-4a7f-4ea4-b0cc-10175dcf8872">101</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="i3218d69f2dd948ef91d6f52103907513_D20180401-20180630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:CostsAndExpenses" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTpiZDY0NmJhNTEyNGI0NGFlYTBlYzg4ZGRkNzNiMDgyNC90YWJsZXJhbmdlOmJkNjQ2YmE1MTI0YjQ0YWVhMGVjODhkZGQ3M2IwODI0XzMtOS0xLTEtMTAxMw_796c6563-f0ea-4f1d-a850-76e7f63ec0bc">7,758</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="i486ae96497a44bee87d62f2f3d814d35_D20180401-20180630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:CostsAndExpenses" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTpiZDY0NmJhNTEyNGI0NGFlYTBlYzg4ZGRkNzNiMDgyNC90YWJsZXJhbmdlOmJkNjQ2YmE1MTI0YjQ0YWVhMGVjODhkZGQ3M2IwODI0XzAyNGFBQUFBQXdBQUFBTUFBQUFMQUFBQUN3QUFBQUFBQUFtaEFBQSUzRA_4c32be12-6b50-4129-95fb-26b316c7fb64">17,978</ix:nonFraction>&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><div style="line-height:100%;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">Total other income, net</span></div></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="i9233ec8328ea4b0a99565d735d384d4e_D20180401-20180630" decimals="-3" format="ixt:zerodash" name="us-gaap:NonoperatingIncomeExpense" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTpiZDY0NmJhNTEyNGI0NGFlYTBlYzg4ZGRkNzNiMDgyNC90YWJsZXJhbmdlOmJkNjQ2YmE1MTI0YjQ0YWVhMGVjODhkZGQ3M2IwODI0XzQtMS0xLTEtMTAwOA_4b796d06-acd5-4a92-bb23-47bf51caae7d">&#8212;</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="i1e76e585074743348f526a9ae178ae91_D20180401-20180630" decimals="-3" format="ixt:zerodash" name="us-gaap:NonoperatingIncomeExpense" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTpiZDY0NmJhNTEyNGI0NGFlYTBlYzg4ZGRkNzNiMDgyNC90YWJsZXJhbmdlOmJkNjQ2YmE1MTI0YjQ0YWVhMGVjODhkZGQ3M2IwODI0XzQtMy0xLTEtMTAxNQ_16a60e97-bc3b-4797-a3ce-9a8f252bca7c">&#8212;</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="i8dd14a6624eb4309a15ccb85a55a83a5_D20180401-20180630" decimals="-3" format="ixt:zerodash" name="us-gaap:NonoperatingIncomeExpense" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTpiZDY0NmJhNTEyNGI0NGFlYTBlYzg4ZGRkNzNiMDgyNC90YWJsZXJhbmdlOmJkNjQ2YmE1MTI0YjQ0YWVhMGVjODhkZGQ3M2IwODI0XzQtNS0xLTEtMTAxMg_e8e8157e-d313-44f8-bd5d-f93366c4a69d">&#8212;</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="i3218d69f2dd948ef91d6f52103907513_D20180401-20180630" decimals="-3" name="us-gaap:NonoperatingIncomeExpense" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTpiZDY0NmJhNTEyNGI0NGFlYTBlYzg4ZGRkNzNiMDgyNC90YWJsZXJhbmdlOmJkNjQ2YmE1MTI0YjQ0YWVhMGVjODhkZGQ3M2IwODI0XzQtOS0xLTEtMTAxMw_5cc45377-720b-4b9a-8c83-bb822f8a1592">75</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="i486ae96497a44bee87d62f2f3d814d35_D20180401-20180630" decimals="-3" name="us-gaap:NonoperatingIncomeExpense" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTpiZDY0NmJhNTEyNGI0NGFlYTBlYzg4ZGRkNzNiMDgyNC90YWJsZXJhbmdlOmJkNjQ2YmE1MTI0YjQ0YWVhMGVjODhkZGQ3M2IwODI0XzAyNzVBQUFBQkFBQUFBUUFBQUFMQUFBQUN3QUFBQUFBQUFtZkFBQSUzRA_7c555657-36aa-4d1d-91f1-74d0ef0ce810">75</ix:nonFraction>&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Income before provision for&#160;income taxes&#160;</span></td><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="i9233ec8328ea4b0a99565d735d384d4e_D20180401-20180630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTpiZDY0NmJhNTEyNGI0NGFlYTBlYzg4ZGRkNzNiMDgyNC90YWJsZXJhbmdlOmJkNjQ2YmE1MTI0YjQ0YWVhMGVjODhkZGQ3M2IwODI0XzUtMS0xLTEtMTAwOA_e9bcbece-36e0-4c95-a575-d36c0579599a">6,232</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="i1e76e585074743348f526a9ae178ae91_D20180401-20180630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTpiZDY0NmJhNTEyNGI0NGFlYTBlYzg4ZGRkNzNiMDgyNC90YWJsZXJhbmdlOmJkNjQ2YmE1MTI0YjQ0YWVhMGVjODhkZGQ3M2IwODI0XzUtMy0xLTEtMTAxNQ_c5ec8eb9-bc44-4a74-a7e5-21e170caf6bf">1,459</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="i8dd14a6624eb4309a15ccb85a55a83a5_D20180401-20180630" decimals="-3" name="us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTpiZDY0NmJhNTEyNGI0NGFlYTBlYzg4ZGRkNzNiMDgyNC90YWJsZXJhbmdlOmJkNjQ2YmE1MTI0YjQ0YWVhMGVjODhkZGQ3M2IwODI0XzUtNS0xLTEtMTAxMg_15429472-2a47-4d6d-9623-2d8dc8fddd01">293</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">(<ix:nonFraction unitRef="usd" contextRef="i3218d69f2dd948ef91d6f52103907513_D20180401-20180630" decimals="-3" sign="-" format="ixt:numdotdecimal" name="us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTpiZDY0NmJhNTEyNGI0NGFlYTBlYzg4ZGRkNzNiMDgyNC90YWJsZXJhbmdlOmJkNjQ2YmE1MTI0YjQ0YWVhMGVjODhkZGQ3M2IwODI0XzUtOS0xLTEtMTAxMw_8ac012f6-0409-406c-a258-f2ff3baedf36">7,683</ix:nonFraction>)</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="i486ae96497a44bee87d62f2f3d814d35_D20180401-20180630" decimals="-3" name="us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTpiZDY0NmJhNTEyNGI0NGFlYTBlYzg4ZGRkNzNiMDgyNC90YWJsZXJhbmdlOmJkNjQ2YmE1MTI0YjQ0YWVhMGVjODhkZGQ3M2IwODI0XzAyNzRBQUFBQlFBQUFBVUFBQUFMQUFBQUN3QUFBQUFBQUFtaUFBQSUzRA_662ac16a-341c-4653-b9a1-f87dfcb52234">301</ix:nonFraction>&#160;</span></td></tr></table></div><div style="line-height:120%;"><span><br/></span></div><div style="line-height:120%;"><span><br/></span></div><div style="line-height:120%;"><span><br/></span></div><div><table style="margin-left:auto;margin-right:auto;border-collapse:collapse;text-align:left;text-indent:0pt;display:inline-table;width:99.269006%;"><tr><td style="width:1.0%;"></td><td style="width:44.833579%;"></td><td style="width:1.0%;"></td><td style="width:1.0%;"></td><td style="width:7.720177%;"></td><td style="width:1.0%;"></td><td style="width:0.1%;"></td><td style="width:0.536377%;"></td><td style="width:0.1%;"></td><td style="width:1.0%;"></td><td style="width:7.572901%;"></td><td style="width:1.0%;"></td><td style="width:0.1%;"></td><td style="width:0.536377%;"></td><td style="width:0.1%;"></td><td style="width:1.0%;"></td><td style="width:10.371134%;"></td><td style="width:1.0%;"></td><td style="width:0.1%;"></td><td style="width:0.536377%;"></td><td style="width:0.1%;"></td><td style="width:1.0%;"></td><td style="width:7.720177%;"></td><td style="width:1.0%;"></td><td style="width:0.1%;"></td><td style="width:0.536377%;"></td><td style="width:0.1%;"></td><td style="width:1.0%;"></td><td style="width:6.836524%;"></td><td style="width:1.0%;"></td></tr><tr><td colspan="30" style="padding-top:2px;padding-bottom:2px;height:14pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:700;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">For the three months ended June 30, 2017 (in thousands):</span></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td></tr><tr><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Rental&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Sales&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Service &amp; Maintenance&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Corporate&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Total&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Revenue</span></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="ieaf988f1c6f048e1963fca6b1c19ea41_D20170401-20170630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:Revenues" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTo0MDcwMjNlOTIzNjQ0ODIxYmIzMTEwODJhZmI3ZDVhNy90YWJsZXJhbmdlOjQwNzAyM2U5MjM2NDQ4MjFiYjMxMTA4MmFmYjdkNWE3XzItMS0xLTEtMTAxNg_7b94ba53-1b80-49da-89fe-a2fbb6634811">11,420</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="ic41b647ca9b1443a81e7bc58ee05824a_D20170401-20170630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:Revenues" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTo0MDcwMjNlOTIzNjQ0ODIxYmIzMTEwODJhZmI3ZDVhNy90YWJsZXJhbmdlOjQwNzAyM2U5MjM2NDQ4MjFiYjMxMTA4MmFmYjdkNWE3XzItMy0xLTEtMTAxNw_d388300a-9e64-4a98-918a-684f54cfbe50">4,407</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="i1b1e2c6c5cb14ddf8221ae4d34792446_D20170401-20170630" decimals="-3" name="us-gaap:Revenues" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTo0MDcwMjNlOTIzNjQ0ODIxYmIzMTEwODJhZmI3ZDVhNy90YWJsZXJhbmdlOjQwNzAyM2U5MjM2NDQ4MjFiYjMxMTA4MmFmYjdkNWE3XzItNS0xLTEtMTAyMA_215f8ba9-f682-4418-b7b1-dcc47a548ef7">391</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="idb424c1002514921a168381082fb3d29_D20170401-20170630" decimals="-3" format="ixt:zerodash" name="us-gaap:Revenues" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTo0MDcwMjNlOTIzNjQ0ODIxYmIzMTEwODJhZmI3ZDVhNy90YWJsZXJhbmdlOjQwNzAyM2U5MjM2NDQ4MjFiYjMxMTA4MmFmYjdkNWE3XzItOS0xLTEtMTAyMQ_cdabfcc2-ca32-429d-9d84-fac83abccb02">&#8212;</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="i201ed1d2fdd042c0bd171af3de0e4482_D20170401-20170630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:Revenues" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTo0MDcwMjNlOTIzNjQ0ODIxYmIzMTEwODJhZmI3ZDVhNy90YWJsZXJhbmdlOjQwNzAyM2U5MjM2NDQ4MjFiYjMxMTA4MmFmYjdkNWE3XzAyNGJBQUFBQWdBQUFBSUFBQUFMQUFBQUN3QUFBQUFBQUFtbEFBQSUzRA_b9b326b1-b6d9-4c96-9642-712c49ecc45d">16,218</ix:nonFraction>&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Operating costs and corporate expenses</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="ieaf988f1c6f048e1963fca6b1c19ea41_D20170401-20170630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:CostsAndExpenses" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTo0MDcwMjNlOTIzNjQ0ODIxYmIzMTEwODJhZmI3ZDVhNy90YWJsZXJhbmdlOjQwNzAyM2U5MjM2NDQ4MjFiYjMxMTA4MmFmYjdkNWE3XzMtMS0xLTEtMTAxNg_de42c6a8-e52b-4e85-9062-dbcfa3467367">4,255</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="ic41b647ca9b1443a81e7bc58ee05824a_D20170401-20170630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:CostsAndExpenses" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTo0MDcwMjNlOTIzNjQ0ODIxYmIzMTEwODJhZmI3ZDVhNy90YWJsZXJhbmdlOjQwNzAyM2U5MjM2NDQ4MjFiYjMxMTA4MmFmYjdkNWE3XzMtMy0xLTEtMTAxNw_cb036cf5-1fa3-48fa-9eb5-f82e9d196002">3,745</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="i1b1e2c6c5cb14ddf8221ae4d34792446_D20170401-20170630" decimals="-3" name="us-gaap:CostsAndExpenses" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTo0MDcwMjNlOTIzNjQ0ODIxYmIzMTEwODJhZmI3ZDVhNy90YWJsZXJhbmdlOjQwNzAyM2U5MjM2NDQ4MjFiYjMxMTA4MmFmYjdkNWE3XzMtNS0xLTEtMTAyMA_1156270e-c8a7-439c-bb30-5c67aa4927da">104</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="idb424c1002514921a168381082fb3d29_D20170401-20170630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:CostsAndExpenses" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTo0MDcwMjNlOTIzNjQ0ODIxYmIzMTEwODJhZmI3ZDVhNy90YWJsZXJhbmdlOjQwNzAyM2U5MjM2NDQ4MjFiYjMxMTA4MmFmYjdkNWE3XzMtOS0xLTEtMTAyMQ_aa09b12f-2852-490a-9eae-8a427ae30794">7,700</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="i201ed1d2fdd042c0bd171af3de0e4482_D20170401-20170630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:CostsAndExpenses" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTo0MDcwMjNlOTIzNjQ0ODIxYmIzMTEwODJhZmI3ZDVhNy90YWJsZXJhbmdlOjQwNzAyM2U5MjM2NDQ4MjFiYjMxMTA4MmFmYjdkNWE3XzAyNGFBQUFBQXdBQUFBTUFBQUFMQUFBQUN3QUFBQUFBQUFta0FBQSUzRA_6a424e86-4982-4b92-b3d7-42c240010ed3">15,804</ix:nonFraction>&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Total other income, net</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="ieaf988f1c6f048e1963fca6b1c19ea41_D20170401-20170630" decimals="-3" format="ixt:zerodash" name="us-gaap:NonoperatingIncomeExpense" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTo0MDcwMjNlOTIzNjQ0ODIxYmIzMTEwODJhZmI3ZDVhNy90YWJsZXJhbmdlOjQwNzAyM2U5MjM2NDQ4MjFiYjMxMTA4MmFmYjdkNWE3XzQtMS0xLTEtMTAxNg_4b52d583-cd17-474c-acbe-78036c1f0ce6">&#8212;</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="ic41b647ca9b1443a81e7bc58ee05824a_D20170401-20170630" decimals="-3" format="ixt:zerodash" name="us-gaap:NonoperatingIncomeExpense" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTo0MDcwMjNlOTIzNjQ0ODIxYmIzMTEwODJhZmI3ZDVhNy90YWJsZXJhbmdlOjQwNzAyM2U5MjM2NDQ4MjFiYjMxMTA4MmFmYjdkNWE3XzQtMy0xLTEtMTAxNw_8cfaa113-8915-4233-ada6-c35673674404">&#8212;</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="i1b1e2c6c5cb14ddf8221ae4d34792446_D20170401-20170630" decimals="-3" format="ixt:zerodash" name="us-gaap:NonoperatingIncomeExpense" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTo0MDcwMjNlOTIzNjQ0ODIxYmIzMTEwODJhZmI3ZDVhNy90YWJsZXJhbmdlOjQwNzAyM2U5MjM2NDQ4MjFiYjMxMTA4MmFmYjdkNWE3XzQtNS0xLTEtMTAyMA_6541b76f-891c-4191-af99-844bf162a0c3">&#8212;</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="idb424c1002514921a168381082fb3d29_D20170401-20170630" decimals="-3" name="us-gaap:NonoperatingIncomeExpense" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTo0MDcwMjNlOTIzNjQ0ODIxYmIzMTEwODJhZmI3ZDVhNy90YWJsZXJhbmdlOjQwNzAyM2U5MjM2NDQ4MjFiYjMxMTA4MmFmYjdkNWE3XzQtOS0xLTEtMTAyMQ_c344cc97-e617-4e24-a77f-915be8b28724">1</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="i201ed1d2fdd042c0bd171af3de0e4482_D20170401-20170630" decimals="-3" name="us-gaap:NonoperatingIncomeExpense" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTo0MDcwMjNlOTIzNjQ0ODIxYmIzMTEwODJhZmI3ZDVhNy90YWJsZXJhbmdlOjQwNzAyM2U5MjM2NDQ4MjFiYjMxMTA4MmFmYjdkNWE3XzAyNzVBQUFBQkFBQUFBUUFBQUFMQUFBQUN3QUFBQUFBQUFtbUFBQSUzRA_82e0961a-69cf-46af-9f93-bf63f1013fcc">1</ix:nonFraction>&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Income before provision for&#160;&#160;income taxes&#160;</span></td><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="ieaf988f1c6f048e1963fca6b1c19ea41_D20170401-20170630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTo0MDcwMjNlOTIzNjQ0ODIxYmIzMTEwODJhZmI3ZDVhNy90YWJsZXJhbmdlOjQwNzAyM2U5MjM2NDQ4MjFiYjMxMTA4MmFmYjdkNWE3XzUtMS0xLTEtMTAxNg_a0b54be9-bb5b-4e58-af86-9e6740a21671">7,165</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="ic41b647ca9b1443a81e7bc58ee05824a_D20170401-20170630" decimals="-3" name="us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTo0MDcwMjNlOTIzNjQ0ODIxYmIzMTEwODJhZmI3ZDVhNy90YWJsZXJhbmdlOjQwNzAyM2U5MjM2NDQ4MjFiYjMxMTA4MmFmYjdkNWE3XzUtMy0xLTEtMTAxNw_2db3539c-11a3-4b2d-ad67-3f3fd99bbe3c">662</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="i1b1e2c6c5cb14ddf8221ae4d34792446_D20170401-20170630" decimals="-3" name="us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTo0MDcwMjNlOTIzNjQ0ODIxYmIzMTEwODJhZmI3ZDVhNy90YWJsZXJhbmdlOjQwNzAyM2U5MjM2NDQ4MjFiYjMxMTA4MmFmYjdkNWE3XzUtNS0xLTEtMTAyMA_a1892b7c-ed77-4336-8916-5c0386af784a">287</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">(<ix:nonFraction unitRef="usd" contextRef="idb424c1002514921a168381082fb3d29_D20170401-20170630" decimals="-3" sign="-" format="ixt:numdotdecimal" name="us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTo0MDcwMjNlOTIzNjQ0ODIxYmIzMTEwODJhZmI3ZDVhNy90YWJsZXJhbmdlOjQwNzAyM2U5MjM2NDQ4MjFiYjMxMTA4MmFmYjdkNWE3XzUtOS0xLTEtMTAyMQ_4ea12afa-ab2c-4fbd-a4d4-0fb68b15b84d">7,699</ix:nonFraction>)</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="i201ed1d2fdd042c0bd171af3de0e4482_D20170401-20170630" decimals="-3" name="us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTo0MDcwMjNlOTIzNjQ0ODIxYmIzMTEwODJhZmI3ZDVhNy90YWJsZXJhbmdlOjQwNzAyM2U5MjM2NDQ4MjFiYjMxMTA4MmFmYjdkNWE3XzAyNzRBQUFBQlFBQUFBVUFBQUFMQUFBQUN3QUFBQUFBQUFtbkFBQSUzRA_f0cc0e1d-d25a-4edf-9141-02be1ac78d11">415</ix:nonFraction>&#160;</span></td></tr></table></div><div style="line-height:120%;"><span><br/></span></div><div style="line-height:120%;"><span><br/></span></div><div style="margin-bottom:6pt;"><table style="margin-left:auto;margin-right:auto;border-collapse:collapse;text-align:left;text-indent:0pt;display:inline-table;width:98.538012%;"><tr><td style="width:1.0%;"></td><td style="width:44.884273%;"></td><td style="width:1.0%;"></td><td style="width:1.0%;"></td><td style="width:7.643917%;"></td><td style="width:1.0%;"></td><td style="width:0.1%;"></td><td style="width:0.393472%;"></td><td style="width:0.1%;"></td><td style="width:1.0%;"></td><td style="width:7.643917%;"></td><td style="width:1.0%;"></td><td style="width:0.1%;"></td><td style="width:0.393472%;"></td><td style="width:0.1%;"></td><td style="width:1.0%;"></td><td style="width:10.462908%;"></td><td style="width:1.0%;"></td><td style="width:0.1%;"></td><td style="width:0.393472%;"></td><td style="width:0.1%;"></td><td style="width:1.0%;"></td><td style="width:7.940653%;"></td><td style="width:1.0%;"></td><td style="width:0.1%;"></td><td style="width:0.393472%;"></td><td style="width:0.1%;"></td><td style="width:1.0%;"></td><td style="width:7.050445%;"></td><td style="width:1.0%;"></td></tr><tr><td colspan="30" style="padding-top:2px;padding-bottom:2px;height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:700;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">For the six months ended June 30, 2018 (in thousands):&#160;</span></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td></tr><tr><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Rental&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Sales&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Service &amp; Maintenance&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Corporate&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Total&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Revenue&#160;</span></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="iec3930dca82d483abc7e8533620171ab_D20180101-20180630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:Revenues" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTo4MTM2NjhiNjNhMzY0YzIxYWU2YTJmOTRhN2UwMzE0NS90YWJsZXJhbmdlOjgxMzY2OGI2M2EzNjRjMjFhZTZhMmY5NGE3ZTAzMTQ1XzAxZEFBQUFBZ0FBQUFJQUFBQUJBQUFBQVFBQUFBQUFBQlFmQUFBJTNE_4517d65f-d58c-423c-b54a-3d854c01536e">22,898</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="ib77640796b1a4e97a4506dac60977119_D20180101-20180630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:Revenues" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTo4MTM2NjhiNjNhMzY0YzIxYWU2YTJmOTRhN2UwMzE0NS90YWJsZXJhbmdlOjgxMzY2OGI2M2EzNjRjMjFhZTZhMmY5NGE3ZTAzMTQ1XzAxOUFBQUFBZ0FBQUFJQUFBQURBQUFBQXdBQUFBQUFBQlFnQUFBJTNE_ed6395c2-e9e8-4f5c-9007-4ace6b62d5bd">9,381</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="ic4326a21d1654a30a9790fded0c1907d_D20180101-20180630" decimals="-3" name="us-gaap:Revenues" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTo4MTM2NjhiNjNhMzY0YzIxYWU2YTJmOTRhN2UwMzE0NS90YWJsZXJhbmdlOjgxMzY2OGI2M2EzNjRjMjFhZTZhMmY5NGE3ZTAzMTQ1XzAyMzdBQUFBQWdBQUFBSUFBQUFGQUFBQUJRQUFBQUFBQUJRbUFBQSUzRA_52268a02-0d0d-4999-a757-eefd0a150c6b">643</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="i95afdea5a0544e90a6353ce180b7143e_D20180101-20180630" decimals="-3" format="ixt:zerodash" name="us-gaap:Revenues" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTo4MTM2NjhiNjNhMzY0YzIxYWU2YTJmOTRhN2UwMzE0NS90YWJsZXJhbmdlOjgxMzY2OGI2M2EzNjRjMjFhZTZhMmY5NGE3ZTAzMTQ1XzAyNDdBQUFBQWdBQUFBSUFBQUFKQUFBQUNRQUFBQUFBQUJRbkFBQSUzRA_500524ed-34c0-4a3a-9225-6be6ada4a4f3">&#8212;</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$<ix:nonFraction unitRef="usd" contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:Revenues" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTo4MTM2NjhiNjNhMzY0YzIxYWU2YTJmOTRhN2UwMzE0NS90YWJsZXJhbmdlOjgxMzY2OGI2M2EzNjRjMjFhZTZhMmY5NGE3ZTAzMTQ1XzAyNGJBQUFBQWdBQUFBSUFBQUFMQUFBQUN3QUFBQUFBQUJRYkFBQSUzRA_f20adf5c-aae8-49e3-b875-509d99a0f100">32,922</ix:nonFraction>&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Operating costs and corporate expenses&#160;</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="iec3930dca82d483abc7e8533620171ab_D20180101-20180630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:CostsAndExpenses" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTo4MTM2NjhiNjNhMzY0YzIxYWU2YTJmOTRhN2UwMzE0NS90YWJsZXJhbmdlOjgxMzY2OGI2M2EzNjRjMjFhZTZhMmY5NGE3ZTAzMTQ1XzAxY0FBQUFBd0FBQUFNQUFBQUJBQUFBQVFBQUFBQUFBQlFkQUFBJTNE_621b813a-5ddf-4757-a8ed-824cff932240">9,899</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="ib77640796b1a4e97a4506dac60977119_D20180101-20180630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:CostsAndExpenses" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTo4MTM2NjhiNjNhMzY0YzIxYWU2YTJmOTRhN2UwMzE0NS90YWJsZXJhbmdlOjgxMzY2OGI2M2EzNjRjMjFhZTZhMmY5NGE3ZTAzMTQ1XzAxYUFBQUFBd0FBQUFNQUFBQURBQUFBQXdBQUFBQUFBQlFrQUFBJTNE_f221ad7f-0716-458c-8759-b15681871807">7,115</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="ic4326a21d1654a30a9790fded0c1907d_D20180101-20180630" decimals="-3" name="us-gaap:CostsAndExpenses" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTo4MTM2NjhiNjNhMzY0YzIxYWU2YTJmOTRhN2UwMzE0NS90YWJsZXJhbmdlOjgxMzY2OGI2M2EzNjRjMjFhZTZhMmY5NGE3ZTAzMTQ1XzAyMzRBQUFBQXdBQUFBTUFBQUFGQUFBQUJRQUFBQUFBQUJRb0FBQSUzRA_71754a9e-3081-48b8-8807-35df30d9bf88">166</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="i95afdea5a0544e90a6353ce180b7143e_D20180101-20180630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:CostsAndExpenses" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTo4MTM2NjhiNjNhMzY0YzIxYWU2YTJmOTRhN2UwMzE0NS90YWJsZXJhbmdlOjgxMzY2OGI2M2EzNjRjMjFhZTZhMmY5NGE3ZTAzMTQ1XzAyNDZBQUFBQXdBQUFBTUFBQUFKQUFBQUNRQUFBQUFBQUJRcUFBQSUzRA_9d64fe79-bd2e-4930-b1e5-1fee53504fac">15,166</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:CostsAndExpenses" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTo4MTM2NjhiNjNhMzY0YzIxYWU2YTJmOTRhN2UwMzE0NS90YWJsZXJhbmdlOjgxMzY2OGI2M2EzNjRjMjFhZTZhMmY5NGE3ZTAzMTQ1XzAyNGFBQUFBQXdBQUFBTUFBQUFMQUFBQUN3QUFBQUFBQUJRYUFBQSUzRA_dc148e1e-29f9-424f-bd8e-9d709d3d8c21">32,346</ix:nonFraction>&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Total other income, net&#160;</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="iec3930dca82d483abc7e8533620171ab_D20180101-20180630" decimals="-3" format="ixt:zerodash" name="us-gaap:NonoperatingIncomeExpense" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTo4MTM2NjhiNjNhMzY0YzIxYWU2YTJmOTRhN2UwMzE0NS90YWJsZXJhbmdlOjgxMzY2OGI2M2EzNjRjMjFhZTZhMmY5NGE3ZTAzMTQ1XzAyMTFBQUFBQkFBQUFBUUFBQUFCQUFBQUFRQUFBQUFBQUJRakFBQSUzRA_2ffd6d56-4c9f-48f3-ad87-9f9551de18f8">&#8212;</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="ib77640796b1a4e97a4506dac60977119_D20180101-20180630" decimals="-3" format="ixt:zerodash" name="us-gaap:NonoperatingIncomeExpense" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTo4MTM2NjhiNjNhMzY0YzIxYWU2YTJmOTRhN2UwMzE0NS90YWJsZXJhbmdlOjgxMzY2OGI2M2EzNjRjMjFhZTZhMmY5NGE3ZTAzMTQ1XzAyMWZBQUFBQkFBQUFBUUFBQUFEQUFBQUF3QUFBQUFBQUJRaUFBQSUzRA_2467cea7-b9ca-43fb-8541-41bc0b7194ca">&#8212;</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="ic4326a21d1654a30a9790fded0c1907d_D20180101-20180630" decimals="-3" format="ixt:zerodash" name="us-gaap:NonoperatingIncomeExpense" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTo4MTM2NjhiNjNhMzY0YzIxYWU2YTJmOTRhN2UwMzE0NS90YWJsZXJhbmdlOjgxMzY2OGI2M2EzNjRjMjFhZTZhMmY5NGE3ZTAzMTQ1XzAyMjFBQUFBQkFBQUFBUUFBQUFGQUFBQUJRQUFBQUFBQUJRcEFBQSUzRA_fd51a097-9908-404f-9560-6e91a27fcaea">&#8212;</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">(<ix:nonFraction unitRef="usd" contextRef="i95afdea5a0544e90a6353ce180b7143e_D20180101-20180630" decimals="-3" sign="-" name="us-gaap:NonoperatingIncomeExpense" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTo4MTM2NjhiNjNhMzY0YzIxYWU2YTJmOTRhN2UwMzE0NS90YWJsZXJhbmdlOjgxMzY2OGI2M2EzNjRjMjFhZTZhMmY5NGE3ZTAzMTQ1XzAyNzlBQUFBQkFBQUFBUUFBQUFKQUFBQUNRQUFBQUFBQUJRdEFBQSUzRA_e7510284-febb-41bf-b95e-bdbfe5c6300e">1</ix:nonFraction>)</span></td><td colspan="3" style="background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">(<ix:nonFraction unitRef="usd" contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630" decimals="-3" sign="-" name="us-gaap:NonoperatingIncomeExpense" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTo4MTM2NjhiNjNhMzY0YzIxYWU2YTJmOTRhN2UwMzE0NS90YWJsZXJhbmdlOjgxMzY2OGI2M2EzNjRjMjFhZTZhMmY5NGE3ZTAzMTQ1XzAyNzVBQUFBQkFBQUFBUUFBQUFMQUFBQUN3QUFBQUFBQUJRY0FBQSUzRA_a8cdda6f-58d1-4132-a006-4cc8e2d576dc">1</ix:nonFraction>)</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Income before provision for&#160;income taxes&#160;</span></td><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="iec3930dca82d483abc7e8533620171ab_D20180101-20180630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTo4MTM2NjhiNjNhMzY0YzIxYWU2YTJmOTRhN2UwMzE0NS90YWJsZXJhbmdlOjgxMzY2OGI2M2EzNjRjMjFhZTZhMmY5NGE3ZTAzMTQ1XzAyMTJBQUFBQlFBQUFBVUFBQUFCQUFBQUFRQUFBQUFBQUJRaEFBQSUzRA_90c10f34-7b99-4631-8cff-7f7b5967a143">12,999</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="ib77640796b1a4e97a4506dac60977119_D20180101-20180630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTo4MTM2NjhiNjNhMzY0YzIxYWU2YTJmOTRhN2UwMzE0NS90YWJsZXJhbmdlOjgxMzY2OGI2M2EzNjRjMjFhZTZhMmY5NGE3ZTAzMTQ1XzAyMWNBQUFBQlFBQUFBVUFBQUFEQUFBQUF3QUFBQUFBQUJRbEFBQSUzRA_efbee27f-7600-492b-97c1-07e94b3d0b9a">2,266</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="ic4326a21d1654a30a9790fded0c1907d_D20180101-20180630" decimals="-3" name="us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTo4MTM2NjhiNjNhMzY0YzIxYWU2YTJmOTRhN2UwMzE0NS90YWJsZXJhbmdlOjgxMzY2OGI2M2EzNjRjMjFhZTZhMmY5NGE3ZTAzMTQ1XzAyMjJBQUFBQlFBQUFBVUFBQUFGQUFBQUJRQUFBQUFBQUJRc0FBQSUzRA_6b445d3f-d262-4f29-897f-743ea1b22ac8">477</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">(<ix:nonFraction unitRef="usd" contextRef="i95afdea5a0544e90a6353ce180b7143e_D20180101-20180630" decimals="-3" sign="-" format="ixt:numdotdecimal" name="us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTo4MTM2NjhiNjNhMzY0YzIxYWU2YTJmOTRhN2UwMzE0NS90YWJsZXJhbmdlOjgxMzY2OGI2M2EzNjRjMjFhZTZhMmY5NGE3ZTAzMTQ1XzAyNzhBQUFBQlFBQUFBVUFBQUFKQUFBQUNRQUFBQUFBQUJRckFBQSUzRA_d9e65f6d-4d50-4ecc-abd7-742d17c2b52b">15,167</ix:nonFraction>)</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630" decimals="-3" name="us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTo4MTM2NjhiNjNhMzY0YzIxYWU2YTJmOTRhN2UwMzE0NS90YWJsZXJhbmdlOjgxMzY2OGI2M2EzNjRjMjFhZTZhMmY5NGE3ZTAzMTQ1XzAyNzRBQUFBQlFBQUFBVUFBQUFMQUFBQUN3QUFBQUFBQUJRZUFBQSUzRA_793ce056-c764-4c06-93b5-2bfab9299a42">575</ix:nonFraction>&#160;</span></td></tr></table></div><div style="line-height:120%;"><span><br/></span></div><div style="line-height:120%;"><span><br/></span></div><div style="margin-bottom:6pt;"><table style="margin-left:auto;margin-right:auto;border-collapse:collapse;text-align:left;text-indent:0pt;display:inline-table;width:98.830409%;"><tr><td style="width:1.0%;"></td><td style="width:44.745562%;"></td><td style="width:1.0%;"></td><td style="width:1.0%;"></td><td style="width:7.615385%;"></td><td style="width:1.0%;"></td><td style="width:0.1%;"></td><td style="width:0.391716%;"></td><td style="width:0.1%;"></td><td style="width:1.0%;"></td><td style="width:7.615385%;"></td><td style="width:1.0%;"></td><td style="width:0.1%;"></td><td style="width:0.391716%;"></td><td style="width:0.1%;"></td><td style="width:1.0%;"></td><td style="width:10.426036%;"></td><td style="width:1.0%;"></td><td style="width:0.1%;"></td><td style="width:0.391716%;"></td><td style="width:0.1%;"></td><td style="width:1.0%;"></td><td style="width:7.615385%;"></td><td style="width:1.0%;"></td><td style="width:0.1%;"></td><td style="width:0.391716%;"></td><td style="width:0.1%;"></td><td style="width:1.0%;"></td><td style="width:7.615385%;"></td><td style="width:1.0%;"></td></tr><tr><td colspan="30" style="padding-top:2px;padding-bottom:2px;height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:700;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">For the six months ended June 30, 2017 (in thousands):&#160;</span></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td></tr><tr><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Rental&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Sales&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Service &amp; Maintenance&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Corporate&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Total&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Revenue&#160;</span></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="idf9e1e6d34464276a9572275cc9988b6_D20170101-20170630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:Revenues" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTo3YzEzYjY5ZGJjNGQ0YTg5YmM2MzAxMzNiZmFiNjhjMS90YWJsZXJhbmdlOjdjMTNiNjlkYmM0ZDRhODliYzYzMDEzM2JmYWI2OGMxXzAxZEFBQUFBZ0FBQUFJQUFBQUJBQUFBQVFBQUFBQUFBQlF5QUFBJTNE_63e3b0aa-0639-4700-80c2-5d01126397db">23,342</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="i44a643d49418457e97713bb4b14fab1f_D20170101-20170630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:Revenues" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTo3YzEzYjY5ZGJjNGQ0YTg5YmM2MzAxMzNiZmFiNjhjMS90YWJsZXJhbmdlOjdjMTNiNjlkYmM0ZDRhODliYzYzMDEzM2JmYWI2OGMxXzAxOUFBQUFBZ0FBQUFJQUFBQURBQUFBQXdBQUFBQUFBQlExQUFBJTNE_ee368e02-b885-4196-83c6-256ec1c87c52">11,044</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="i5622e7a47c5647598f4a7f5c6491fcf5_D20170101-20170630" decimals="-3" name="us-gaap:Revenues" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTo3YzEzYjY5ZGJjNGQ0YTg5YmM2MzAxMzNiZmFiNjhjMS90YWJsZXJhbmdlOjdjMTNiNjlkYmM0ZDRhODliYzYzMDEzM2JmYWI2OGMxXzAyMzdBQUFBQWdBQUFBSUFBQUFGQUFBQUJRQUFBQUFBQUJRN0FBQSUzRA_022acdc8-ca0d-4a38-94c2-9408ecf4af16">734</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="i612e71ffb1ab4fc48a2ff71513fb2924_D20170101-20170630" decimals="-3" format="ixt:zerodash" name="us-gaap:Revenues" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTo3YzEzYjY5ZGJjNGQ0YTg5YmM2MzAxMzNiZmFiNjhjMS90YWJsZXJhbmdlOjdjMTNiNjlkYmM0ZDRhODliYzYzMDEzM2JmYWI2OGMxXzAyNDdBQUFBQWdBQUFBSUFBQUFKQUFBQUNRQUFBQUFBQUJSQUFBQSUzRA_5ae3e63e-ec91-4099-95bb-1215bb7c12e4">&#8212;</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$<ix:nonFraction unitRef="usd" contextRef="iae1008ff6a854658ab77be281aab8a0c_D20170101-20170630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:Revenues" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTo3YzEzYjY5ZGJjNGQ0YTg5YmM2MzAxMzNiZmFiNjhjMS90YWJsZXJhbmdlOjdjMTNiNjlkYmM0ZDRhODliYzYzMDEzM2JmYWI2OGMxXzAyNGJBQUFBQWdBQUFBSUFBQUFMQUFBQUN3QUFBQUFBQUJReEFBQSUzRA_17e542a1-3842-4228-98b6-85544762b6bb">35,120</ix:nonFraction>&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Operating costs and corporate expenses&#160;</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="idf9e1e6d34464276a9572275cc9988b6_D20170101-20170630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:CostsAndExpenses" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTo3YzEzYjY5ZGJjNGQ0YTg5YmM2MzAxMzNiZmFiNjhjMS90YWJsZXJhbmdlOjdjMTNiNjlkYmM0ZDRhODliYzYzMDEzM2JmYWI2OGMxXzAxY0FBQUFBd0FBQUFNQUFBQUJBQUFBQVFBQUFBQUFBQlF6QUFBJTNE_3b0a0384-9917-40e5-9dbe-be850a779491">8,923</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="i44a643d49418457e97713bb4b14fab1f_D20170101-20170630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:CostsAndExpenses" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTo3YzEzYjY5ZGJjNGQ0YTg5YmM2MzAxMzNiZmFiNjhjMS90YWJsZXJhbmdlOjdjMTNiNjlkYmM0ZDRhODliYzYzMDEzM2JmYWI2OGMxXzAxYUFBQUFBd0FBQUFNQUFBQURBQUFBQXdBQUFBQUFBQlE1QUFBJTNE_809f4868-8de0-4fd8-a335-7f4ca94078b5">9,168</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="i5622e7a47c5647598f4a7f5c6491fcf5_D20170101-20170630" decimals="-3" name="us-gaap:CostsAndExpenses" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTo3YzEzYjY5ZGJjNGQ0YTg5YmM2MzAxMzNiZmFiNjhjMS90YWJsZXJhbmdlOjdjMTNiNjlkYmM0ZDRhODliYzYzMDEzM2JmYWI2OGMxXzAyMzRBQUFBQXdBQUFBTUFBQUFGQUFBQUJRQUFBQUFBQUJRJTJGQUFBJTNE_e3d88780-78ac-4b84-89e6-4345bc727b7a">198</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="i612e71ffb1ab4fc48a2ff71513fb2924_D20170101-20170630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:CostsAndExpenses" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTo3YzEzYjY5ZGJjNGQ0YTg5YmM2MzAxMzNiZmFiNjhjMS90YWJsZXJhbmdlOjdjMTNiNjlkYmM0ZDRhODliYzYzMDEzM2JmYWI2OGMxXzAyNDZBQUFBQXdBQUFBTUFBQUFKQUFBQUNRQUFBQUFBQUJROUFBQSUzRA_0d3a2900-0d06-4938-b0a2-4743b49c9666">16,074</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="iae1008ff6a854658ab77be281aab8a0c_D20170101-20170630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:CostsAndExpenses" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTo3YzEzYjY5ZGJjNGQ0YTg5YmM2MzAxMzNiZmFiNjhjMS90YWJsZXJhbmdlOjdjMTNiNjlkYmM0ZDRhODliYzYzMDEzM2JmYWI2OGMxXzAyNGFBQUFBQXdBQUFBTUFBQUFMQUFBQUN3QUFBQUFBQUJRd0FBQSUzRA_42c99055-4262-41ea-8a1e-2a2ce5a45c87">34,363</ix:nonFraction>&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Total other income, net&#160;</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="idf9e1e6d34464276a9572275cc9988b6_D20170101-20170630" decimals="-3" format="ixt:zerodash" name="us-gaap:NonoperatingIncomeExpense" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTo3YzEzYjY5ZGJjNGQ0YTg5YmM2MzAxMzNiZmFiNjhjMS90YWJsZXJhbmdlOjdjMTNiNjlkYmM0ZDRhODliYzYzMDEzM2JmYWI2OGMxXzAyMTFBQUFBQkFBQUFBUUFBQUFCQUFBQUFRQUFBQUFBQUJRNEFBQSUzRA_2201d802-bf40-452d-9b53-0ca3c598bab8">&#8212;</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="i44a643d49418457e97713bb4b14fab1f_D20170101-20170630" decimals="-3" format="ixt:zerodash" name="us-gaap:NonoperatingIncomeExpense" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTo3YzEzYjY5ZGJjNGQ0YTg5YmM2MzAxMzNiZmFiNjhjMS90YWJsZXJhbmdlOjdjMTNiNjlkYmM0ZDRhODliYzYzMDEzM2JmYWI2OGMxXzAyMWZBQUFBQkFBQUFBUUFBQUFEQUFBQUF3QUFBQUFBQUJRMkFBQSUzRA_d36519cb-1ac8-43c1-889d-5581ff611fd6">&#8212;</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="i5622e7a47c5647598f4a7f5c6491fcf5_D20170101-20170630" decimals="-3" format="ixt:zerodash" name="us-gaap:NonoperatingIncomeExpense" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTo3YzEzYjY5ZGJjNGQ0YTg5YmM2MzAxMzNiZmFiNjhjMS90YWJsZXJhbmdlOjdjMTNiNjlkYmM0ZDRhODliYzYzMDEzM2JmYWI2OGMxXzAyMjFBQUFBQkFBQUFBUUFBQUFGQUFBQUJRQUFBQUFBQUJROEFBQSUzRA_f3662118-78e7-44fd-a93d-cc6f431addac">&#8212;</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="i612e71ffb1ab4fc48a2ff71513fb2924_D20170101-20170630" decimals="-3" name="us-gaap:NonoperatingIncomeExpense" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTo3YzEzYjY5ZGJjNGQ0YTg5YmM2MzAxMzNiZmFiNjhjMS90YWJsZXJhbmdlOjdjMTNiNjlkYmM0ZDRhODliYzYzMDEzM2JmYWI2OGMxXzAyNzlBQUFBQkFBQUFBUUFBQUFKQUFBQUNRQUFBQUFBQUJSQkFBQSUzRA_7dfc7119-8f52-4e3b-a846-801f8606c8ec">2</ix:nonFraction>&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="iae1008ff6a854658ab77be281aab8a0c_D20170101-20170630" decimals="-3" name="us-gaap:NonoperatingIncomeExpense" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTo3YzEzYjY5ZGJjNGQ0YTg5YmM2MzAxMzNiZmFiNjhjMS90YWJsZXJhbmdlOjdjMTNiNjlkYmM0ZDRhODliYzYzMDEzM2JmYWI2OGMxXzAyNzVBQUFBQkFBQUFBUUFBQUFMQUFBQUN3QUFBQUFBQUJRdkFBQSUzRA_c6c85bcb-bb57-4a9d-ae0c-cece966a26fa">2</ix:nonFraction>&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Income before provision for&#160;income taxes&#160;</span></td><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="idf9e1e6d34464276a9572275cc9988b6_D20170101-20170630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTo3YzEzYjY5ZGJjNGQ0YTg5YmM2MzAxMzNiZmFiNjhjMS90YWJsZXJhbmdlOjdjMTNiNjlkYmM0ZDRhODliYzYzMDEzM2JmYWI2OGMxXzAyMTJBQUFBQlFBQUFBVUFBQUFCQUFBQUFRQUFBQUFBQUJRM0FBQSUzRA_4a1019df-e4ac-483d-adb7-f6f14f00964d">14,419</ix:nonFraction>&#160;</span></td><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">&#8212;&#160;</span></td><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="i44a643d49418457e97713bb4b14fab1f_D20170101-20170630" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTo3YzEzYjY5ZGJjNGQ0YTg5YmM2MzAxMzNiZmFiNjhjMS90YWJsZXJhbmdlOjdjMTNiNjlkYmM0ZDRhODliYzYzMDEzM2JmYWI2OGMxXzAyMWNBQUFBQlFBQUFBVUFBQUFEQUFBQUF3QUFBQUFBQUJRNkFBQSUzRA_535f4196-50cb-4a82-a4ea-40840a596955">1,876</ix:nonFraction>&#160;</span></td><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">&#8212;&#160;</span></td><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="i5622e7a47c5647598f4a7f5c6491fcf5_D20170101-20170630" decimals="-3" name="us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTo3YzEzYjY5ZGJjNGQ0YTg5YmM2MzAxMzNiZmFiNjhjMS90YWJsZXJhbmdlOjdjMTNiNjlkYmM0ZDRhODliYzYzMDEzM2JmYWI2OGMxXzAyMjJBQUFBQlFBQUFBVUFBQUFGQUFBQUJRQUFBQUFBQUJSQ0FBQSUzRA_a1878f82-f453-46e9-8f80-0b5043392a3b">536</ix:nonFraction>&#160;</span></td><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">&#8212;&#160;</span></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">(<ix:nonFraction unitRef="usd" contextRef="i612e71ffb1ab4fc48a2ff71513fb2924_D20170101-20170630" decimals="-3" sign="-" format="ixt:numdotdecimal" name="us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTo3YzEzYjY5ZGJjNGQ0YTg5YmM2MzAxMzNiZmFiNjhjMS90YWJsZXJhbmdlOjdjMTNiNjlkYmM0ZDRhODliYzYzMDEzM2JmYWI2OGMxXzAyNzhBQUFBQlFBQUFBVUFBQUFKQUFBQUNRQUFBQUFBQUJRJTJCQUFBJTNE_e3547337-d5ce-45c9-9785-c1826c972dfb">16,072</ix:nonFraction>)</span></td><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">&#8212;&#160;</span></td><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonFraction unitRef="usd" contextRef="iae1008ff6a854658ab77be281aab8a0c_D20170101-20170630" decimals="-3" name="us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTo3YzEzYjY5ZGJjNGQ0YTg5YmM2MzAxMzNiZmFiNjhjMS90YWJsZXJhbmdlOjdjMTNiNjlkYmM0ZDRhODliYzYzMDEzM2JmYWI2OGMxXzAyNzRBQUFBQlFBQUFBVUFBQUFMQUFBQUN3QUFBQUFBQUJRMEFBQSUzRA_ad1f8f0c-7905-4a32-b827-121fd2f0d364">759</ix:nonFraction>&#160;</span></td></tr></table></div></ix:nonNumeric></ix:continuation></ix:continuation><div style="line-height:120%;"><span><br/></span></div><div style="position:relative;width:100%;height:45pt;width:100%;"><div style="position:absolute;bottom:0;width:100%;"><div style="text-align:center;-sec-extract:summary;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:115%;vertical-align:bottom;">12</span></div></div></div><hr style="page-break-after:always"></hr><div style="height:45pt;width:100%;"><div><span><br/></span></div></div><div style="line-height:120%;"><span><br/></span></div><div id="i_0_371"></div><div style="line-height:120%;"><span><br/></span></div><div style="line-height:120%;-sec-extract:summary;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:700;line-height:120%;vertical-align:bottom;">(8)&#160;&#160;<ix:nonNumeric contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630" name="us-gaap:LegalMattersAndContingenciesTextBlock" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNzEvZnJhZzo1ZDVmYTE5NGM4ZGM0MTMzYTAzMDEwMDRiNDhiOWI4My90ZXh0cmVnaW9uOjVkNWZhMTk0YzhkYzQxMzNhMDMwMTAwNGI0OGI5YjgzXzU0OTc1NTgxMzk2ODQ_29422ffd-f49d-4f26-8eb9-8bdbcaa97a15" continuedAt="i035948495400454a8a059e8736ee6987" escape="true">Commitments and Contingencies</ix:nonNumeric></span></div><div style="line-height:120%;"><span><br/></span></div><ix:continuation id="i035948495400454a8a059e8736ee6987"><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">From time to time, we are a party to various legal proceedings in the ordinary course of our business.&#160;&#160;While management is unable to predict the ultimate outcome of these actions, it believes that any ultimate liability arising from these actions will not have a material adverse effect on our financial position, results of operations or cash flow.&#160; We are not currently a party to any material legal proceedings, and we are not aware of any threatened material litigation. </span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span><br/></span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">The Company also has a contractual obligation related to the construction of a new corporate office of approximately&#160;$<ix:nonFraction unitRef="usd" contextRef="i4a0749d860044c61bf1ca42bfa4d1200_I20180630" decimals="-5" format="ixt:numdotdecimal" name="us-gaap:ContractualObligation" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNzEvZnJhZzo1ZDVmYTE5NGM4ZGM0MTMzYTAzMDEwMDRiNDhiOWI4My90ZXh0cmVnaW9uOjVkNWZhMTk0YzhkYzQxMzNhMDMwMTAwNGI0OGI5YjgzXzMyOTg1MzQ4ODQxMDg_c99434a6-dfd7-4040-8c0d-1b71b1b479d9">8.9</ix:nonFraction> million, financed by cash on hand. Construction of a new office began in late 2017 and is expected to be completed in early 2019.</span></div></ix:continuation><div style="line-height:120%;text-align:justify;"><span><br/></span></div><div id="i_0_384"></div><div style="line-height:120%;"><span><br/></span></div><div style="line-height:120%;-sec-extract:summary;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:700;line-height:120%;vertical-align:bottom;">Item 2.&#160;&#160;&#160;Management&#8217;s Discussion and Analysis of Financial Condition and Results of Operations</span></div><div style="line-height:120%;"><span><br/></span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-style:italic;line-height:120%;vertical-align:bottom;">The discussion and analysis of our financial</span><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:700;line-height:120%;vertical-align:bottom;">&#160;</span><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-style:italic;line-height:120%;vertical-align:bottom;">condition and results of operations are based on, and should be read in conjunction with, our condensed, consolidated financial statements and the related notes included elsewhere in this report and&#160;&#160;in our&#160;Annual Report on Form 10-K for the year ended December&#160;31, 2017&#160;filed with the SEC.</span></div><div style="line-height:120%;"><span><br/></span></div><div style="line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:700;line-height:120%;vertical-align:bottom;">Overview</span></div><div style="line-height:120%;"><span><br/></span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">We fabricate, manufacture, rent, and sell natural gas compressors and related equipment. Our primary focus is on the rental of natural gas compressors. Our rental contracts generally provide for initial terms of six to 24 months. After the initial term of our rental contracts, many of our customers have continued to rent our compressors on a month-to-month basis. Rental amounts are billed monthly in advance and include maintenance of the rented compressors. As of June 30, 2018, we had 1,247 natural gas compressors totaling 194,948 horsepower rented to 88 customers compared to 1,248 natural gas compressors totaling 179,366 horsepower rented to 76 customers at June 30, 2017. </span></div><div style="line-height:120%;"><span><br/></span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">We also fabricate natural gas compressors for sale to our customers, designing compressors to meet unique specifications dictated by well pressures, production characteristics, and particular applications for which compression is sought. Fabrication of compressors involves our purchase of engines, compressors, coolers, and other components, and our assembling of these components on skids for delivery to customer locations. The major components of our compressors packages are acquired through periodic purchase orders placed with third-party suppliers on an &#8220;as needed&#8221; basis, which presently require&#160;lead times&#160;between three&#160;to&#160;six&#160;months with delivery dates scheduled to coincide with our estimated production schedules. Although we do not have formal continuing supply contracts with any major supplier, we believe we have adequate alternative sources available. In the past, we have not experienced any sudden and dramatic increases in the prices of the major components for our compressors. However, the occurrence of such an event could have a material adverse effect on the results of our operations and financial condition, particularly if we were unable to increase our rental rates and sales prices proportionate to any such component price increases.</span></div><div style="line-height:120%;text-align:justify;"><span><br/></span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">We also manufacture a proprietary line of compressor frames, cylinders and parts, known as our CiP (Cylinder-in-Plane) product line. We use finished CiP component products in the fabrication of compressor units for sale or rental by us or sell the finished component products to other compressor fabricators. We also design, fabricate, sell, install, and service flare stacks and related ignition and control devices for onshore and offshore incineration of gas compounds such as hydrogen sulfide, carbon dioxide, natural gas and liquefied petroleum gases. To provide customer support for our compressor and flare sales businesses, we stock varying levels of replacement parts at our Midland, Texas facility and at field service locations. We also provide an exchange and rebuild program for screw compressors and maintain an inventory of new and used compressors to facilitate this business.</span></div><div style="line-height:120%;"><span><br/></span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">We provide service and maintenance to our customers under written maintenance contracts or on an as-required basis in the absence of a service contract. Formal maintenance agreements typically have terms of&#160;six months to one year and require payment of a monthly fee.</span></div><div style="line-height:120%;"><span><br/></span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">The oil and natural gas equipment rental and services industry is cyclical in nature. The most critical factor in assessing the outlook for the industry is the worldwide supply and demand for natural gas and crude oil and the corresponding changes in commodity prices. As demand and prices increase, oil and natural gas producers increase their capital expenditures for drilling, </span></div><div style="position:relative;width:100%;height:45pt;width:100%;"><div style="position:absolute;bottom:0;width:100%;"><div style="text-align:center;-sec-extract:summary;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:115%;vertical-align:bottom;">13</span></div></div></div><hr style="page-break-after:always"></hr><div style="height:45pt;width:100%;"><div><span><br/></span></div></div><div style="line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">development and production activities. Generally, the increased capital expenditures ultimately result in greater revenues and profits for services and equipment companies.</span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span><br/></span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">In general, we expect our overall business activity and revenues to track the level of activity in the oil and natural gas industry, with changes in domestic natural gas production and consumption levels and prices affecting our business marginally more than changes in crude oil and condensate production and consumption levels and prices. However, in recent years we have increased our rental and sales in the non-conventional oil shale plays which are more dependent on crude oil prices. With this shift towards oil-associated gas production the demand for overall&#160;compression services and products is driven by two general factors; declining reservoir pressure in maturing natural gas producing fields, especially non-conventional production, and an increased focus by producers on artificial lift applications; e.g., production enhancement with compression assisted gas lift. These type of applications have historically been serviced by wellhead size compressors, and continue&#160;to be, but there has also been an economic move by our customers towards centralized drilling and production&#160;facilities&#160;which have increased the market need for larger horsepower compressor packages. We recognized this need over the past two to three years and have been shifting our cash and fabrication resources&#160;towards designing, fabricating and renting gas compressor packages that range from 400 horsepower up to 1380 horsepower. While this is a response to market conditions and trends, it also provides us with the opportunity to compete as a full-line compression provider.</span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span><br/></span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">We typically experience a decline in demand during periods of low crude oil and natural gas prices. Low crude oil and natural gas prices experienced throughout 2016 continued into mid-2017. In the latter half of 2017, we began to see an increase in oil prices and activity that has continued into 2018. We anticipate a continuation of these increased prices and activity in E&amp;P companies for the remainder of 2018. While the continuation of this increased activity is uncertain, we believe the long-tem trend in our market is favorable. </span></div><div style="line-height:120%;text-align:justify;"><span><br/></span></div><div id="i_0_397"></div><div style="line-height:120%;text-align:justify;"><span><br/></span></div><div style="line-height:120%;text-align:justify;-sec-extract:summary;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:700;line-height:120%;vertical-align:bottom;"> Results of Operations</span></div><div style="line-height:120%;"><span><br/></span></div><div style="line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-style:italic;font-weight:700;line-height:120%;vertical-align:bottom;">Three months ended&#160;June 30, 2018, compared to the three months ended&#160;June 30, 2017.</span></div><div style="line-height:120%;"><span><br/></span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">The table below shows our revenues and percentage of total revenues of each of our product lines for the three months ended&#160;June 30, 2018 and 2017.</span></div><div style="line-height:120%;"><span><br/></span></div><div style="line-height:120%;"><span><br/></span></div><div><table style="margin-left:auto;margin-right:auto;border-collapse:collapse;text-align:left;text-indent:0pt;display:inline-table;width:99.415205%;"><tr><td style="width:1.0%;"></td><td style="width:48.735294%;"></td><td style="width:1.0%;"></td><td style="width:1.0%;"></td><td style="width:11.676471%;"></td><td style="width:1.0%;"></td><td style="width:1.0%;"></td><td style="width:7.705882%;"></td><td style="width:1.0%;"></td><td style="width:1.0%;"></td><td style="width:2.300000%;"></td><td style="width:1.0%;"></td><td style="width:1.0%;"></td><td style="width:11.676471%;"></td><td style="width:1.0%;"></td><td style="width:1.0%;"></td><td style="width:7.705882%;"></td><td style="width:1.0%;"></td></tr><tr><td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="15" style="padding-top:2px;padding-bottom:2px;height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">Revenue Three months ended June 30,</span></div></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td></tr><tr><td colspan="3" style="height:12pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="15" style="padding-top:2px;padding-bottom:2px;height:12pt;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-style:italic;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">(in thousands)</span></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td></tr><tr><td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="6" style="padding-top:2px;padding-bottom:2px;height:15pt;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">2018</span></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="display:none;"></td><td colspan="6" style="padding-top:2px;padding-bottom:2px;height:15pt;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">2017</span></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Rental&#160;</span></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">11,427&#160;</span></td><td colspan="3" style="display:none;"></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;padding-right:0%;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">63&#160;</span></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">%</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="display:none;"></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">11,420&#160;</span></td><td colspan="3" style="display:none;"></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;padding-right:0%;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">71&#160;</span></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">%</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Sales&#160;</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">6,383&#160;</span></td><td colspan="3" style="display:none;"></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:0%;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">35&#160;</span></td><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">%</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">4,407&#160;</span></td><td colspan="3" style="display:none;"></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:0%;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">27&#160;</span></td><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">%</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Service and Maintenance&#160;</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">394&#160;</span></td><td colspan="3" style="display:none;"></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:0%;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">2&#160;</span></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">%</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">391&#160;</span></td><td colspan="3" style="display:none;"></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:0%;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">2&#160;</span></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">%</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Total&#160;</span></td><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">18,204&#160;</span></td><td colspan="3" style="display:none;"></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="display:none;"></td><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">16,218&#160;</span></td><td colspan="3" style="display:none;"></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td></tr></table></div><div style="line-height:120%;"><span><br/></span></div><div style="line-height:120%;text-align:center;"><span><br/></span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">Total revenue increased to $18.2 million from $16.2 million, or&#160;12%, for the three months ended&#160;June 30, 2018, compared to the same period ended June 30, 2017. The increase is mainly a result of the fluctuation in sales due to the timing of industry activity.</span></div><div style="line-height:120%;"><span><br/></span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">Rental revenue held steady at $11.4 million&#160;for the three months ended&#160;June 30, 2018 and 2017. We ended the quarter with 2,557&#160;compressor packages in our fleet, up from 2,531 units at June 30, 2017.&#160;&#160;The rental fleet had a utilization of 48.8% as of June 30, 2018 compared to 49.3% utilization as of June 30, 2017.  The drop in utilization is mainly the result of compressor rental units being returned due to customers shifting operations to more profitable basins. We have experienced some relief in the number of sets versus returns&#160;in recent&#160;months.  In the event that oil and natural gas prices remain steady or continued to increase, we expect to see an increase in the utilization of our fleet.</span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span><br/></span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">Sales revenue increased to $6.4 million from $4.4 million for the three months ended&#160;June 30, 2018 compared to the same period ended June 30, 2017.&#160;This increase is the result of fluctuations in timing of industry activity related to capital projects. We believe this timing is reflective of the typical sales cycle, resulting in fluctuating compressor unit sales to third parties from our Tulsa and Midland operations. We also had an increase in our flares product line during this comparative period, due to customer demand.</span></div><div style="line-height:120%;text-align:justify;"><span><br/></span></div><div style="position:relative;width:100%;height:45pt;width:100%;"><div style="position:absolute;bottom:0;width:100%;"><div style="text-align:center;-sec-extract:summary;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:115%;vertical-align:bottom;">14</span></div></div></div><hr style="page-break-after:always"></hr><div style="height:45pt;width:100%;"><div><span><br/></span></div></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">Our overall operating income decreased to&#160;$226,000 compared to $414,000 for the three months ended&#160;June 30, 2018 and June 30, 2017, respectively. Operating margin percentage also dropped to&#160;1% from&#160;3% for the three months ended&#160;June 30, 2018 and June 30, 2017, respectively. The lower operating margin was due a mix shift in revenues from higher margin rentals to lower margin sales.</span></div><div style="line-height:120%;text-align:justify;"><span><br/></span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">Selling, general, and administrative expense decreased&#160;slightly to $2.3 million&#160;from $2.4 million&#160;for the three months ended&#160;June 30, 2018, and June 30, 2017.</span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">&#160;</span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">Depreciation and amortization expense was relatively flat at $5.4 million&#160;for the three&#160;months ended&#160;June 30, 2018, compared to $5.3 million&#160;for the period ended June 30, 2017.&#160;&#160;This slight increase is the result of larger horsepower units being added to the fleet.&#160;We added 31 units (approximately 21,000 horsepower) to our fleet over the past 12 months.  Twenty-two of these were 400 horsepower or larger; representing 97% of the horsepower added.</span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span><br/></span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">Provision for income tax was $54,000 and $40,000&#160;for the three months ended&#160;June 30, 2018 and June 30, 2017, respectively. The increase in the provision is due to a change in effective tax rate between the two periods.</span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span><br/></span></div><div id="i_0_410"></div><div style="line-height:120%;text-align:justify;"><span><br/></span></div><div style="line-height:120%;text-align:justify;-sec-extract:summary;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-style:italic;font-weight:700;line-height:120%;vertical-align:bottom;">Six months ended June 30, 2018, compared to the six months ended June 30, 2017.</span></div><div style="line-height:120%;"><span><br/></span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">The table below shows our revenues and percentage of total revenues of each of our product lines for the six months ended June 30, 2018 and 2017.</span></div><div style="line-height:120%;"><span><br/></span></div><div style="line-height:120%;"><span><br/></span></div><div><table style="margin-left:auto;margin-right:auto;border-collapse:collapse;text-align:left;text-indent:0pt;display:inline-table;width:99.269006%;"><tr><td style="width:1.0%;"></td><td style="width:47.042710%;"></td><td style="width:1.0%;"></td><td style="width:1.0%;"></td><td style="width:11.696613%;"></td><td style="width:1.0%;"></td><td style="width:0.1%;"></td><td style="width:0.536377%;"></td><td style="width:0.1%;"></td><td style="width:1.0%;"></td><td style="width:7.720177%;"></td><td style="width:1.0%;"></td><td style="width:1.0%;"></td><td style="width:2.450957%;"></td><td style="width:1.0%;"></td><td style="width:1.0%;"></td><td style="width:11.696613%;"></td><td style="width:1.0%;"></td><td style="width:0.1%;"></td><td style="width:0.536377%;"></td><td style="width:0.1%;"></td><td style="width:1.0%;"></td><td style="width:7.720177%;"></td><td style="width:1.0%;"></td></tr><tr><td colspan="3" style="height:25pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="21" style="padding-top:2px;padding-bottom:2px;height:25pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">Revenue Six months ended June 30,</span></div></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td></tr><tr><td colspan="3" style="height:12pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="21" style="padding-top:2px;padding-bottom:2px;height:12pt;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-style:italic;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">(in thousands)</span></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td></tr><tr><td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="9" style="padding-top:2px;padding-bottom:2px;height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">2018</span></div></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="9" style="padding-top:2px;padding-bottom:2px;height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">2017</span></div></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Rental</span></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">22,898&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;padding-right:1pt;"></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;padding-right:0%;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">70&#160;</span></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">%</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">23,342&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;padding-right:1pt;"></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;padding-right:0%;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">67&#160;</span></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">%</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Sales</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">9,381&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:0%;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">28&#160;</span></td><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">%</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">11,044&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:0%;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">31&#160;</span></td><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">%</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Service and Maintenance</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">643&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:0%;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">2&#160;</span></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">%</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">734&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:0%;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">2&#160;</span></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">%</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Total</span></td><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">32,922&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">35,120&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td></tr><tr><td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:3pt double #000000;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:3pt double #000000;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td></tr></table></div><div style="line-height:120%;"><span><br/></span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span><br/></span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">Total revenue decreased to $32.9 million from $35.1 million, or 6%, for the six months ended June 30, 2018, compared to the same period ended June 30, 2017. The decrease is mainly a result of the fluctuation in sales due to the timing of industry activity.</span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span><br/></span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">Rental revenue decreased&#160;slightly to $22.9 million from $23.3 million for the six months ended June&#160;30, 2018, compared to the same period ended June&#160;30, 2017.&#160;&#160;This decrease is the result of  the relative&#160;price of units returned to the units going into service.&#160;We ended the quarter with 2,557 compressor packages in our rental fleet up from 2,531 units at June&#160;30, 2017.&#160;&#160;The rental fleet had a utilization of 48.8%, as of June&#160;30, 2018 compared to 49.3% utilization as of June&#160;30, 2017. The drop in utilization is mainly the result of compressor rental units being returned due to customers shifting operations to more profitable basins. We have experienced some relief in the number of sets versus returns in recent months. In the event that oil and natural gas prices increase, we should see incremental utilization of our fleet.</span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span><br/></span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">Sales revenue decreased to $9.4 million from $11.0 million for the six months ended June&#160;30, 2018, compared to the same period ended June 30, 2017.&#160;&#160;This decrease is the result of the fluctuations in  timing of industry activity related to capital projects.  We believe this timing is reflective of the typical sales cycle, resulting in fluctuating compressor unit sales to third parties from our Tulsa and Midland operations. There was an offsetting&#160;increase in demand for flares during this comparative period, due to customer demand.</span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span><br/></span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">Our overall operating income decreased to $576,000 from $757,000 for the six months ended June&#160;30, 2018 and June 30, 2017, respectively. Operating margin percentage decrease to 2% for the six months ended June 30, 2018 and June 30, 2017. The low operating margin was due to the decrease in revenue discussed above.&#160;</span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span><br/></span></div><div style="position:relative;width:100%;height:45pt;width:100%;"><div style="position:absolute;bottom:0;width:100%;"><div style="text-align:center;-sec-extract:summary;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:115%;vertical-align:bottom;">15</span></div></div></div><hr style="page-break-after:always"></hr><div style="height:45pt;width:100%;"><div><span><br/></span></div></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">Selling, general, and administrative expense decreased to $4.3 million from $5.4 million, for the six months ended June 30, 2018, as compared to the same period ended June 30, 2017, primarily due to a $1.1 million decrease in stock compensation expense.</span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">&#160;</span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">Depreciation and amortization expense increased to $10.8 million for the six months ended June 30, 2018, compared to $10.6 million for the period ended&#160;June 30, 2017.&#160;&#160;This slight increase is the result of larger horsepower units being added to the fleet. We added 31 units (approximately 21,000 horsepower) to our fleet over the past 12 months.  Twenty-two of these were 400 horsepower or larger; representing 97% of the horsepower added.</span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span><br/></span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">Provision for income tax decreased to $103,000 from $132,000 and is the result of the decrease in taxable income.</span></div><div style="line-height:120%;"><span><br/></span></div><div id="i_0_424"></div><div style="line-height:120%;"><span><br/></span></div><div style="line-height:120%;-sec-extract:summary;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:700;line-height:120%;vertical-align:bottom;">Liquidity and Capital Resources</span></div><div style="line-height:120%;"><span><br/></span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">Our working capital positions as of June 30, 2018 and December 31, 2017 are set forth below:</span></div><div style="line-height:120%;"><span><br/></span></div><div style="line-height:120%;"><span><br/></span></div><div><table style="margin-left:auto;margin-right:auto;border-collapse:collapse;text-align:left;text-indent:0pt;display:inline-table;width:99.707602%;"><tr><td style="width:1.0%;"></td><td style="width:70.873900%;"></td><td style="width:1.0%;"></td><td style="width:1.0%;"></td><td style="width:11.489736%;"></td><td style="width:1.0%;"></td><td style="width:0.1%;"></td><td style="width:0.533138%;"></td><td style="width:0.1%;"></td><td style="width:1.0%;"></td><td style="width:10.903226%;"></td><td style="width:1.0%;"></td></tr><tr><td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" rowspan="2" style="padding-top:2px;padding-bottom:2px;height:15pt;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">June 30, <br/>2018</span></td><td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" rowspan="2" style="padding-top:2px;padding-bottom:2px;height:15pt;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">December 31, <br/>2017&#160;</span></td></tr><tr><td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="display:none;"></td></tr><tr><td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="9" style="padding-top:2px;padding-bottom:2px;height:15pt;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-style:italic;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">(in thousands)&#160;</span></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Current Assets:&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:18pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Cash and cash equivalents&#160;</span></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">62,490&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">69,208&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:18pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Trade accounts receivable, net&#160;</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">9,375&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">8,534&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:18pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Inventory</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">23,042&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">26,224&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:18pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Prepaid income taxes&#160;</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">3,177&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">3,443&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:18pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Prepaid expenses and other&#160;</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">762&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">817&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:30pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Total current assets&#160;</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:top;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">98,846&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:top;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">108,226&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Current Liabilities:&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td></tr><tr><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:18pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Accounts payable&#160;</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">801&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">4,162&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:18pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Accrued liabilities&#160;</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">2,140&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">3,106&#160;</span></td></tr><tr><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:18pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Deferred income&#160;</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">487&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">185&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:18pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Total current liabilities&#160;</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:top;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">3,428&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:top;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">7,453&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:30pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Total working capital&#160;</span></td><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">95,418&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">100,773&#160;</span></td></tr></table></div><div style="line-height:120%;"><span><br/></span></div><div style="line-height:120%;"><span><br/></span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">For the six months ended&#160;June 30, 2018, we invested $16.9 million in property and equipment. During these six months, we&#8217;ve added $11.0 million in new equipment to our rental fleet, $3.2 million in payments related to the construction of our new corporate office and $582,000 in vehicles. Our investment in property and equipment also includes any changes between work in progress related to rental fleet jobs started and completed during the period, this change was an increase to the property and equipment of $2.0 million. Even though we have idle rental equipment, at times we do not have the specific type of equipment that our customers require, therefore we have to build new equipment to satisfy their needs. &#160;We financed this activity with cash flow from operations and cash on hand.  </span></div><div style="line-height:120%;text-align:justify;"><span><br/></span></div><div style="line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-style:italic;line-height:120%;vertical-align:bottom;">Cash flows</span></div><div style="line-height:120%;"><span><br/></span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">At June 30, 2018, we had cash and cash equivalents of $62.5 million&#160;compared to $69.2 million&#160;at December 31, 2017.&#160;&#160;Our cash flow from operations of $10.9 million&#160;was offset by capital expenditures of $16.9 million, during the six months ended&#160;June 30, 2018.&#160;&#160;We had working capital of $95.4 million&#160;at June 30, 2018 compared to $100.8 million&#160;at December 31, 2017.  On June 30, 2018 and December 31, 2017, we had outstanding debt of $417,000, which is all related to our line of credit. We had positive net cash flow from operating activities of $10.9 million&#160;during the first six months of 2018 compared to $11.1 million for the first six months of 2017.&#160;&#160;The cash flow from operations of $10.9 million was primarily the result of the net income of $472,000 and the non-cash items of depreciation of $10.8 million, $1.1 million related to the </span></div><div style="position:relative;width:100%;height:45pt;width:100%;"><div style="position:absolute;bottom:0;width:100%;"><div style="text-align:center;-sec-extract:summary;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:115%;vertical-align:bottom;">16</span></div></div></div><hr style="page-break-after:always"></hr><div style="height:45pt;width:100%;"><div><span><br/></span></div></div><div style="line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">expenses associated with stock-based compensation, and a decrease in cash flows related to working capital and other of $1.5 million.</span></div><div style="line-height:120%;text-align:justify;"><span><br/></span></div><div style="line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-style:italic;line-height:120%;vertical-align:bottom;">Strategy</span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span><br/></span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">For the remainder of the fiscal year 2018, our overall plan is to continue monitoring and holding expenses in line with the anticipated level of activity, fabricate rental fleet equipment only in direct response to market requirements, emphasize marketing of our idle gas compressor units and limit bank borrowing in line with market conditions.&#160;&#160;For the remainder of  2018, our forecasted capital expenditures will be directly dependent upon our customers&#8217; compression requirements and are not anticipated to exceed our internally generated cash flows and cash on hand.&#160;&#160;Any required capital will be for additions to our compressor rental fleet and/or addition or replacement of service vehicles.&#160;&#160;We believe that cash flows from operations, our current cash position and our line of credit will be sufficient to satisfy our capital and liquidity requirements for the foreseeable future.&#160;&#160;We may require additional capital to fund any unanticipated expenditures, including any acquisitions of other businesses, although that capital, beyond our line of credit, as discussed below may not be available to us when we need it or on acceptable terms.&#160;</span></div><div style="line-height:120%;text-align:justify;"><span><br/></span></div><div style="line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-style:italic;line-height:120%;vertical-align:bottom;">Bank Borrowings</span></div><div style="line-height:120%;"><span><br/></span></div><div style="text-indent:45pt;line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">We have a senior secured revolving credit agreement the ("Amended Credit Agreement") with JP Morgan Chase Bank, N.A. (the "Lender") with an aggregate commitment of&#160;$30 million, subject to collateral availability. We also have a right to request from the lender, on an uncommitted basis, an increase of up to $20 million on the aggregate commitment (which could potentially increase the commitment amount to $50 million). On August 31, 2017, we amended and renewed the Amended Credit Agreement, which was set to expire on December 31, 2017. The Credit Agreement Amendment extended the maturity date to December 31, 2020. No other material revisions were made to the credit facility.</span></div><div style="text-indent:45pt;line-height:120%;"><span><br/></span></div><div style="line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-style:italic;line-height:120%;vertical-align:bottom;">Borrowing Base</span><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">.  At any time before the maturity of the Amended Credit Agreement, we may draw, repay and re-borrow amounts available under the borrowing base up to the maximum aggregate availability discussed above. Generally, the borrowing base equals the sum of (a) 80% of our eligible accounts receivable plus (b) 50% of the book value of our eligible general inventory (not to exceed 50% of the commitment amount at the time) plus (c) 75% of the book value of our eligible equipment inventory.&#160;The Lender may adjust the borrowing base components if material deviations in the collateral are discovered in future audits of the collateral. We had $29.5 million borrowing base availability at June 30, 2018, under the terms of our Amended Credit Agreement.</span></div><div style="line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">&#160;</span></div><div style="line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-style:italic;line-height:120%;vertical-align:bottom;">Interest and Fees</span><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">.&#160;&#160;Under the terms of the Amended Credit Agreement, we have the option of selecting the applicable variable rate for each revolving loan, or portion thereof, of either (a)&#160;LIBOR multiplied by the Statutory Reserve Rate (as defined in the Amended Credit Agreement), with respect to this rate, for Eurocurrency funding, plus the Applicable Margin (&#8220;LIBOR-based&#8221;), or (b)&#160;CB Floating Rate, which is the Lender's Prime Rate less the Applicable Margin; provided, however, that no more than three LIBOR-based borrowings under the agreement may be outstanding at any one time.&#160;For purposes of the LIBOR-based interest rate, the Applicable Margin is 1.50%. For purposes of the CB Floating Rate, the Applicable Margin is 1.50%. For the six month period ended June 30, 2018, our weighted average interest rate was 3.37%.</span></div><div style="line-height:120%;"><span><br/></span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">Accrued interest is payable monthly on outstanding principal amounts, provided that accrued interest on LIBOR-based loans is payable at the end of each interest period, but in no event less frequently than quarterly. In addition, fees and expenses are payable in connection with our requests for letters of credit (generally equal to the Applicable Margin for LIBOR-related borrowings multiplied by the face amount of the requested letter of credit) and administrative and legal costs.</span></div><div style="line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">&#160;</span></div><div style="line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-style:italic;line-height:120%;vertical-align:bottom;">Maturity</span><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">. The maturity date of the Amended Credit Agreement is December&#160;31, 2020, at which time all amounts borrowed under the agreement will be due and outstanding letters of credit must be cash collateralized. The agreement may be terminated early upon our request or the occurrence of an event of default. </span></div><div style="line-height:120%;text-align:justify;"><span><br/></span></div><div style="line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-style:italic;line-height:120%;vertical-align:bottom;">Security</span><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">. The obligations under the Amended Credit Agreement are secured by a first priority lien on all of our inventory and accounts and leases receivables, along with a first priority lien on a variable number of our leased compressor equipment the book value of must be maintained at a minimum of 2.00 to 1.00 commitment coverage ratio (such ratio being equal to (i) the amount of the borrowing base as of such date to (ii) the amount of the commitment as of such date.)</span></div><div style="line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">&#160;</span></div><div style="line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-style:italic;line-height:120%;vertical-align:bottom;">Covenants.</span><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"> The Amended Credit Agreement contains customary representations and warranties, as well as covenants which, among other things, limit our ability to incur additional indebtedness and liens; enter into transactions with affiliates; make acquisitions in excess of certain amounts; pay dividends; redeem or repurchase capital stock or senior notes; make investments </span></div><div style="position:relative;width:100%;height:45pt;width:100%;"><div style="position:absolute;bottom:0;width:100%;"><div style="text-align:center;-sec-extract:summary;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:115%;vertical-align:bottom;">17</span></div></div></div><hr style="page-break-after:always"></hr><div style="height:45pt;width:100%;"><div><span><br/></span></div></div><div style="line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">or loans; make negative pledges; consolidate, merge or effect asset sales; or change the nature of our business. In addition, we also have certain financial covenants that require us to maintain on a consolidated basis a leverage ratio less than or equal to 2.50 to 1.00 as of the last day of each fiscal quarter.</span></div><div style="line-height:120%;text-align:justify;"><span><br/></span></div><div style="line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-style:italic;line-height:120%;vertical-align:bottom;">Events of Default and Acceleration.</span><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"> The Amended Credit Agreement contains customary events of default for credit facilities of this size and type, and includes, without limitation, payment defaults; defaults in performance of covenants or other agreements contained in the loan documents; inaccuracies in representations and warranties; certain defaults, termination events or similar events; certain defaults with respect to any other Company indebtedness in excess of $50,000; certain bankruptcy or insolvency events; the rendering of certain judgments in excess of $150,000; certain ERISA events; certain change in control events and the defectiveness of any liens under the secured revolving credit facility.  Obligations under the Amended Credit Agreement may be accelerated upon the occurrence of an event of default.</span></div><div style="line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">&#160;</span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">As of June 30, 2018, we were in compliance with all covenants in our Amended Credit Agreement.&#160;&#160;A default under our Credit Agreement could trigger the acceleration of our bank debt so that it is immediately due and payable.&#160;&#160;Such default would likely limit our ability to access other credit. At June 30, 2018, our balance on the line of credit was $417,000.</span></div><div style="line-height:120%;text-align:justify;"><span><br/></span></div><div style="line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-style:italic;line-height:120%;vertical-align:bottom;">Contractual Obligations and Commitments</span></div><div style="line-height:120%;"><span><br/></span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">We have contractual obligations and commitments that affect the results of operations, financial condition and liquidity.&#160;The following table is a summary of our significant cash contractual obligations as of June 30, 2018:</span></div><div style="line-height:120%;"><span><br/></span></div><div><table style="margin-left:auto;margin-right:auto;border-collapse:collapse;text-align:left;text-indent:0pt;display:inline-table;width:99.269006%;"><tr><td style="width:1.0%;"></td><td style="width:42.477172%;"></td><td style="width:1.0%;"></td><td style="width:0.1%;"></td><td style="width:0.536377%;"></td><td style="width:0.1%;"></td><td style="width:1.0%;"></td><td style="width:6.247423%;"></td><td style="width:1.0%;"></td><td style="width:0.1%;"></td><td style="width:0.536377%;"></td><td style="width:0.1%;"></td><td style="width:1.0%;"></td><td style="width:5.952872%;"></td><td style="width:1.0%;"></td><td style="width:0.1%;"></td><td style="width:0.536377%;"></td><td style="width:0.1%;"></td><td style="width:1.0%;"></td><td style="width:5.805596%;"></td><td style="width:1.0%;"></td><td style="width:0.1%;"></td><td style="width:0.536377%;"></td><td style="width:0.1%;"></td><td style="width:1.0%;"></td><td style="width:6.836524%;"></td><td style="width:1.0%;"></td><td style="width:0.1%;"></td><td style="width:0.536377%;"></td><td style="width:0.1%;"></td><td style="width:1.0%;"></td><td style="width:7.425626%;"></td><td style="width:1.0%;"></td><td style="width:0.1%;"></td><td style="width:0.536377%;"></td><td style="width:0.1%;"></td><td style="width:1.0%;"></td><td style="width:6.836524%;"></td><td style="width:1.0%;"></td></tr><tr><td colspan="3" style="height:24pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="height:24pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="33" style="padding-top:2px;padding-bottom:2px;height:24pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:top;padding-left:1pt;padding-right:1pt;"><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:700;line-height:100%;vertical-align:bottom;">Obligations Due in Period</span></div><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:700;line-height:100%;vertical-align:bottom;">(</span><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-style:italic;font-weight:700;line-height:100%;vertical-align:bottom;">in thousands)</span></div></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Cash Contractual Obligations&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">2018 </span><sup style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:6.5pt;font-weight:400;line-height:100%;vertical-align:bottom;vertical-align:top;">(1)</sup></div></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">2019</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">2020</span></div></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">2021</span></div></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Thereafter&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Total&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Line of credit (secured)&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">&#8212;&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">&#8212;&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">417&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">&#8212;&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">&#8212;&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">417&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><div style="line-height:100%;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">Interest on line of credit</span><sup style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:6.5pt;font-weight:400;line-height:100%;vertical-align:bottom;vertical-align:top;">(2)</sup></div></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">8&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">17&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">17&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">&#8212;&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">&#8212;&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">42&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><div style="line-height:100%;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">Purchase obligations</span><sup style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:6.5pt;font-weight:400;line-height:100%;vertical-align:bottom;vertical-align:top;">(3)</sup></div></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">275&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">300&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">300&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">302&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">&#8212;&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">1,177&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Other long-term liabilities&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">&#8212;&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">&#8212;&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">&#8212;&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">74&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">&#8212;&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">74&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Facilities and office leases&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">272&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">137&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">17&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">1&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">&#8212;&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">427&#160;</span></td></tr><tr><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td></tr><tr><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:6pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Total&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">555&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">454&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">751&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">377&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">&#8212;&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">2,137&#160;</span></td></tr></table></div><div style="line-height:120%;"><span><br/></span></div><div style="line-height:120%;"><span><br/></span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">The Company also has a contractual obligation related to the construction of a new corporate office of approximately $8.9&#160;million, which we intend to fiance by cash on hand. Construction of a new office began in late 2017 and is expected to be completed in early 2019.</span></div><div style="line-height:120%;"><span><br/></span></div><div style="margin-bottom:3pt;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">1.    For the six months remaining in 2018.</span></div><div style="margin-bottom:3pt;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">2.    Assumes an interest rate of 4.0% and no additional borrowings.</span></div><div style="margin-bottom:3pt;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">3.    Vendor exclusive purchase agreement related to paint and coatings.</span></div><div id="i_0_438"></div><div style="line-height:120%;text-align:justify;"><span><br/></span></div><div style="position:relative;width:100%;height:45pt;width:100%;"><div style="position:absolute;bottom:0;width:100%;"><div style="text-align:center;-sec-extract:summary;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:115%;vertical-align:bottom;">18</span></div></div></div><hr style="page-break-after:always"></hr><div style="height:45pt;width:100%;"><div><span><br/></span></div></div><div style="line-height:120%;text-align:justify;-sec-extract:summary;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:700;line-height:120%;vertical-align:bottom;">Critical Accounting Policies and Practices</span></div><div style="line-height:120%;"><span><br/></span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">There have been no changes in the critical accounting policies disclosed in the Company's Form 10-K for the year ended December 31, 2017. </span></div><div style="line-height:120%;"><span><br/></span></div><div style="line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:700;line-height:120%;vertical-align:bottom;">Recently Issued Accounting Pronouncements</span></div><div style="line-height:120%;text-align:justify;"><span><br/></span></div><div style="line-height:120%;text-align:justify;"><span><br/></span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;margin-bottom:12pt;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">On February 25, 2016, the Financial Accounting Standards Board ("FASB") issued ASU 2016-02, Leases (Topic 842). Under the new guidance, a lessee will be required to recognize assets and liabilities for finance and operating leases with lease terms of more than 12 months. Additionally, this ASU will require disclosures to help investors and other financial statement users better understand the amount, timing, and uncertainty of cash flows arising from leases, including qualitative and quantitative requirements. The ASU initially required a modified retrospective transition method where a company applies the new leases standard at the beginning of the earliest period presented in the financial statements, but in July 2018 the FASB issued ASU 2018-11. ASU 2018-11 added an optional transition method where a company applies the new leases standard at the adoption date and recognizes a cumulative effect adjustment to the opening balance of retained earnings. For public business entities, the amendments are effective for fiscal years beginning after December 15, 2018, including interim periods within those fiscal years, with early adoption permitted. The new standard will be effective during our first quarter ending March 31, 2019. We are in the process of reviewing our leases and evaluating what impact the new standard will have on our accounting policies, internal controls and condensed consolidated balance sheet. We expect there will be an increase in assets and liabilities on the condensed consolidated balance sheets at adoption due to recording the right-of-use assets and corresponding lease liabilities, but do not believe this to be a significant impact  at this time. We also expect an increase in our disclosures revolving around leases. We anticipate our review to be completed in the latter half of 2018</span></div><div style="line-height:120%;text-align:justify;margin-bottom:12pt;"><span><br/></span></div><div style="line-height:120%;text-align:justify;margin-bottom:12pt;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:700;line-height:120%;vertical-align:bottom;">Off-Balance Sheet Arrangements</span></div><div style="line-height:120%;"><span><br/></span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">From time-to-time, we enter into off-balance sheet arrangements and transactions that can give rise to off-balance sheet obligations.&#160;&#160;As of June 30, 2018, the off-balance sheet arrangements and transactions that we have entered into include operating lease agreements and purchase agreements.&#160;&#160;We do not believe that these arrangements are reasonably likely to materially affect our liquidity, availability of, or requirements for, capital resources.</span></div><div style="line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">&#160;</span></div><div style="line-height:120%;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:700;line-height:120%;vertical-align:bottom;">Special Note Regarding Forward-Looking Statements</span></div><div style="line-height:120%;"><span><br/></span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">Except for historical information contained herein, the statements in this report are forward-looking and made pursuant to the safe harbor provisions of the Private Securities Litigation Reform Act of 1995.&#160;&#160;Forward-looking statements involve known and unknown risks and uncertainties, which may cause our actual results in future periods to differ materially from forecasted results.&#160;&#160;Those risks include, among other things, the loss of market share through competition or otherwise; the introduction of competing technologies by other companies; a prolonged, substantial reduction in oil and natural gas prices which could cause a decline in the demand for our products and services; and new governmental safety, health and environmental regulations which could require us to make significant capital expenditures.  The forward-looking statements included in this Form 10-Q are only made as of the date of this report, and we undertake no obligation to publicly update such forward-looking statements to reflect subsequent events or circumstances.  A discussion of these and other risk factors is included in our Annual Report on Form 10-K for the year ended December 31, 2017 filed with the SEC.</span></div><div style="line-height:120%;"><span><br/></span></div><div id="i_0_452"></div><div style="line-height:120%;-sec-extract:summary;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:700;line-height:120%;vertical-align:bottom;">Item 3.&#160;&#160;&#160;Quantitative and Qualitative Disclosures about Market Risk</span></div><div style="line-height:120%;"><span><br/></span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">There have been no changes in the market risks disclosed in the Company's Form 10-K for the year ended December 31, 2017.</span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span><br/></span></div><div id="i_0_465"></div><div style="line-height:120%;text-align:justify;"><span><br/></span></div><div style="line-height:120%;text-align:justify;-sec-extract:summary;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:700;line-height:120%;vertical-align:bottom;">Item 4.&#160;&#160;Controls and Procedures</span></div><div style="line-height:120%;text-align:justify;"><span><br/></span></div><div style="line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:700;line-height:120%;vertical-align:bottom;">Evaluation of Disclosure Controls and Procedures.</span></div><div style="text-indent:36pt;padding-left:36pt;line-height:120%;text-align:justify;"><span><br/></span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"></div><div style="position:relative;width:100%;height:45pt;width:100%;"><div style="position:absolute;bottom:0;width:100%;"><div style="text-align:center;-sec-extract:summary;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:115%;vertical-align:bottom;">19</span></div></div></div><hr style="page-break-after:always"></hr><div style="height:45pt;width:100%;"><div><span><br/></span></div></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">An evaluation was carried out under the supervision and with the participation of our management, including our President and Chief Executive Officer and our Vice President and Principal Accounting Officer, of the effectiveness of the design and of our &#8220;disclosure controls and procedures&#8221; (as such term is defined in Rules 13a-15(e) and 15d-15(e) of the Securities Exchange Act of 1934, as amended or, the &#8220;Exchange Act&#8221;) as of the end of the period covered by this report pursuant to Exchange Act Rule 13a-15.&#160;&#160;Based upon that evaluation, the President and Chief Executive Officer and our Vice President and Principal Accounting Officer have concluded that our disclosure controls and procedures as of the end of the period covered by this report were effective to ensure that information required to be disclosed by us in the reports filed or submitted by us under the Exchange Act is recorded, processed, summarized, and reported within the time periods specified in the SEC&#8217;s rules and forms.&#160;&#160;These include controls and procedures designed to ensure that information required to be disclosed by us in such reports is accumulated and communicated to our management, including our principal executive and financial officers as appropriate to allow timely decisions regarding required disclosures.&#160;&#160;Due to the inherent limitations of control systems, not all misstatements or omissions may be detected.&#160;&#160;Those inherent limitations include the realities that judgments in decision-making can be faulty and that breakdowns can occur because of simple errors or mistakes.&#160;&#160;Additionally, controls could be circumvented by the individual acts of some persons or by collusion of two or more people.&#160;&#160;Our controls and procedures can only provide reasonable, not absolute, assurance that the above objectives have been met.</span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span><br/></span></div><div style="line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:700;line-height:120%;vertical-align:bottom;">Changes in Internal Controls.</span></div><div style="text-indent:36pt;padding-left:36pt;line-height:120%;text-align:justify;"><span><br/></span></div><div style="text-indent:27pt;padding-right:3pt;line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">On January 1, 2018, the Company adopted ASU No. 2014-09, Revenue from Contracts with Customers using the modified retrospective method of transition applied to all contracts. This ASU formed ASC 606, Revenue from Contracts with Customers ("ASC 606"), which supersedes nearly all existing revenue recognition guidance under U.S. GAAP and includes a five step process to recognize revenues when promised goods or services are transferred to customers in an amount that reflects the consideration to which an entity expects to be entitled for those goods or services.</span></div><div style="line-height:120%;text-align:justify;"><span><br/></span></div><div style="text-indent:27pt;padding-right:3pt;line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">During the first quarter of 2018, we added internal control processes over financial reporting as a result of the adoption of ASC 606. There have been no other changes in our internal control over financial reporting that occurred during our fiscal quarter ended June 30, 2018, that have materially affected, or are reasonably likely to materially affect, our internal control over financial reporting.</span></div><div style="text-indent:27pt;padding-right:3pt;line-height:120%;text-align:justify;"><span><br/></span></div><div id="i_0_478"></div><div style="line-height:120%;text-align:justify;-sec-extract:summary;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:700;line-height:120%;vertical-align:bottom;">PART II &#8211; OTHER INFORMATION</span></div><div style="line-height:120%;text-align:justify;"><span><br/></span></div><div id="i_0_491"></div><div style="line-height:120%;text-align:justify;"><span><br/></span></div><div style="line-height:120%;text-align:justify;-sec-extract:summary;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:700;line-height:120%;vertical-align:bottom;">Item 1.&#160;&#160;Legal Proceedings</span></div><div style="line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">&#160;</span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">From time to time, we are a party to various  legal proceedings in the ordinary course of our business.&#160;While management is unable to predict the ultimate outcome of these actions, it believes that any ultimate liability arising from these actions will not have a material adverse effect on our financial position, results of operations or cash flow.&#160; We are not currently a party to any material legal proceedings and we are not aware of any threatened litigation.</span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span><br/></span></div><div id="i_0_504"></div><div style="line-height:120%;text-align:justify;-sec-extract:summary;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:700;line-height:120%;vertical-align:bottom;">Item 1A.&#160;&#160;Risk Factors</span></div><div style="line-height:120%;"><span><br/></span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">Please refer to and read &#8220;Risk Factors&#8221; in our Annual Report on Form 10-K for the fiscal year ended December 31, 2017 for a discussion of the risks associated with our Company and industry.</span></div><div id="i_0_517"></div><div style="line-height:120%;text-align:justify;-sec-extract:summary;"></div><div style="position:relative;width:100%;height:45pt;width:100%;"><div style="position:absolute;bottom:0;width:100%;"><div style="text-align:center;-sec-extract:summary;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:115%;vertical-align:bottom;">20</span></div></div></div><hr style="page-break-after:always"></hr><div style="height:45pt;width:100%;"><div><span><br/></span></div></div><div style="line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:700;line-height:120%;vertical-align:bottom;">Item 6.&#160;&#160; Exhibits</span></div><div style="line-height:120%;"><span><br/></span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">The following exhibits are filed herewith or incorporated herein by reference, as indicated:</span></div><div style="line-height:120%;text-align:center;"><span><br/></span></div><div style="line-height:120%;text-align:center;"><span><br/></span></div><div style="text-align:center;"><table style="margin-left:auto;margin-right:auto;border-collapse:collapse;text-align:left;text-indent:0pt;display:inline-table;width:95.906433%;"><tr><td style="width:1.0%;"></td><td style="width:8.670732%;"></td><td style="width:1.0%;"></td><td style="width:1.0%;"></td><td style="width:87.329268%;"></td><td style="width:1.0%;"></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Exhibit No.</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Description</span></td></tr><tr><td colspan="3" style="height:7pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td><td colspan="3" style="height:7pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"></span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:top;padding-left:1pt;padding-right:1pt;"><div style="line-height:100%;"><span style="background-color:rgb(255,255,255, 0.0);color:#0000FF;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;text-decoration: underline;vertical-align:bottom;"><a style="background-color:rgb(255,255,255, 0.0);color:#0000FF;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;text-decoration: underline;vertical-align:bottom;" href="http://www.sec.gov/Archives/edgar/data/1084991/000101054904000711/natural10qsbex31093004.txt">3.1</a></span></div></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:top;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Articles of Incorporation, as amended (Incorporated by reference to Exhibit 3.1 of the 10-QSB filed and dated November 10, 2004)</span></td></tr><tr><td colspan="3" style="height:8pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="height:8pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:top;padding-left:1pt;padding-right:1pt;"><div style="line-height:100%;"><span style="background-color:rgb(255,255,255, 0.0);color:#0000FF;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;text-decoration: underline;vertical-align:bottom;"><a style="background-color:rgb(255,255,255, 0.0);color:#0000FF;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;text-decoration: underline;vertical-align:bottom;-sec-extract:exhibit;" href="http://www.sec.gov/Archives/edgar/data/1084991/000108499116000073/bylaws.htm">3.2</a></span></div></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:top;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Bylaws as amended (Incorporated by reference to Exhibit 3.1 of the Registrant's current report on form 8-K filed with the Securities and Exchange Commission on June 21, 2016.</span></td></tr><tr><td colspan="3" style="height:7pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="height:7pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td></tr></table></div><div style="line-height:120%;text-align:center;"><span><br/></span></div><div style="line-height:120%;text-align:center;"><span><br/></span></div><div style="text-align:center;"><table style="margin-left:auto;margin-right:auto;border-collapse:collapse;text-align:left;text-indent:0pt;display:inline-table;width:95.906433%;"><tr><td style="width:1.0%;"></td><td style="width:8.670732%;"></td><td style="width:1.0%;"></td><td style="width:1.0%;"></td><td style="width:87.329268%;"></td><td style="width:1.0%;"></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:top;padding-left:1pt;padding-right:1pt;"><div style="line-height:100%;"><span style="background-color:rgb(255,255,255, 0.0);color:#0000FF;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;text-decoration: underline;vertical-align:bottom;"><a style="background-color:rgb(255,255,255, 0.0);color:#0000FF;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;text-decoration: underline;vertical-align:bottom;-sec-extract:exhibit;" href="http://www.sec.gov/Archives/edgar/data/1084991/000108499118000011/ngs-ex1015leastextension.htm">10.1</a></span></div></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:top;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Lease Agreement, dated January 9, 2018, between WNB Tower, LTD and Natural Gas Services Group, Inc. (Incorporated by reference to Exhibit 10.15 of the Registrant&#8217;s&#160;&#160;Form 10-K for the fiscal year ended December 31, 2017 and filed with the Securities and Exchange Commission on March 9, 2018.)</span></td></tr><tr><td colspan="3" style="height:8pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="height:8pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:top;padding-left:1pt;padding-right:1pt;"><div style="line-height:100%;"><span style="background-color:rgb(255,255,255, 0.0);color:#0000FF;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;text-decoration: underline;vertical-align:bottom;"><a style="background-color:rgb(255,255,255, 0.0);color:#0000FF;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;text-decoration: underline;vertical-align:bottom;-sec-extract:exhibit;" href="http://www.sec.gov/Archives/edgar/data/1084991/000108499114000028/ex991.htm">10.2</a></span></div></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:top;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">2009 Restricted Stock/Unit Plan, as amended (Incorporated by reference to Exhibit 99.1 of the Registrant&#8217;s Current Report on Form 8-K dated June 3, 2014 and filed with the Securities and Exchange Commission on June 6, 2014.)</span></td></tr><tr><td colspan="3" style="height:8pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="height:8pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:top;padding-left:1pt;padding-right:1pt;"><div style="line-height:100%;"><span style="background-color:rgb(255,255,255, 0.0);color:#0000FF;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;text-decoration: underline;vertical-align:bottom;"><a style="background-color:rgb(255,255,255, 0.0);color:#0000FF;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;text-decoration: underline;vertical-align:bottom;-sec-extract:exhibit;" href="http://www.sec.gov/Archives/edgar/data/1084991/000108499116000073/a1998stockplanamendedandre.htm">10.3</a></span></div></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:top;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Stock Option Plan, as amended and restated (Incorporated by reference to Exhibit 10.1 of the Registrant&#8217;s Current Report on Form 8-K filed with the Securities and Exchange Commission on June 21, 2016.)</span></td></tr><tr><td colspan="3" style="height:8pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="height:8pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:top;padding-left:1pt;padding-right:1pt;"><div style="line-height:100%;"><span style="background-color:rgb(255,255,255, 0.0);color:#0000FF;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;text-decoration: underline;vertical-align:bottom;"><a style="background-color:rgb(255,255,255, 0.0);color:#0000FF;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;text-decoration: underline;vertical-align:bottom;-sec-extract:exhibit;" href="http://www.sec.gov/Archives/edgar/data/1084991/000108499114000047/creditagrmnt.htm">10.4</a></span></div></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:top;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Credit Agreement between Natural Gas Services Group, Inc. and JPMorgan Chase Bank, N.A., dated December 10, 2010 (Incorporated by reference to Exhibit 10.1 of the Registrant&#8217;s Current Report on Form 8-K filed with the Securities and Exchange Commission on November 24, 2014.)</span></td></tr><tr><td colspan="3" style="height:8pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="height:8pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:top;padding-left:1pt;padding-right:1pt;"><div style="line-height:100%;"><span style="background-color:rgb(255,255,255, 0.0);color:#0000FF;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;text-decoration: underline;vertical-align:bottom;"><a style="background-color:rgb(255,255,255, 0.0);color:#0000FF;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;text-decoration: underline;vertical-align:bottom;-sec-extract:exhibit;" href="http://www.sec.gov/Archives/edgar/data/1084991/000108499117000058/fifthamendmentofcreditagre.htm">10.5</a></span></div></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:top;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Fifth Amendment of Credit Agreement between Natural Gas Services Group, Inc. and JPMorgan Chase Bank, N.A., dated August 31, 2017 (Incorporated by reference to Exhibit 10.2 of the Registrant's Current report on Form 8-K filed with the Securities and Exchange Commission on September 7, 2017.)</span></td></tr><tr><td colspan="3" style="height:8pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="height:8pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:top;padding-left:1pt;padding-right:1pt;"><div style="line-height:100%;"><span style="background-color:rgb(255,255,255, 0.0);color:#0000FF;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;text-decoration: underline;vertical-align:bottom;"><a style="background-color:rgb(255,255,255, 0.0);color:#0000FF;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;text-decoration: underline;vertical-align:bottom;-sec-extract:exhibit;" href="http://www.sec.gov/Archives/edgar/data/1084991/000108499110000035/exhibit10-2.htm">10.6</a></span></div></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:top;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Security Agreement between Natural Gas Services Group, Inc. and JPMorgan Chase Bank, N.A., dated December 10, 2010 (Incorporated by reference to Exhibit 10.2 of the Registrant&#8217;s Current Report on Form 8-K filed with the Securities and Exchange Commission on December 16, 2011.)</span></td></tr><tr><td colspan="3" style="height:8pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="height:8pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:top;padding-left:1pt;padding-right:1pt;"><div style="line-height:100%;"><span style="background-color:rgb(255,255,255, 0.0);color:#0000FF;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;text-decoration: underline;vertical-align:bottom;"><a style="background-color:rgb(255,255,255, 0.0);color:#0000FF;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;text-decoration: underline;vertical-align:bottom;-sec-extract:exhibit;" href="http://www.sec.gov/Archives/edgar/data/1084991/000108499117000058/fourthamendmentofsecuritya.htm">10.7</a></span></div></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:top;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Fourth Security Agreement between Natural Gas Services Group, Inc. and JPMorgan Chase Bank, N.A., dated August 31, 2017 (Incorporated by reference to Exhibit 10.1 of the Registrant&#8217;s Current Report on Form 8-K filed with the Securities and Exchange Commission on September 7, 2017.)</span></td></tr><tr><td colspan="3" style="height:8pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="height:8pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:top;padding-left:1pt;padding-right:1pt;"><div style="line-height:100%;"><span style="background-color:rgb(255,255,255, 0.0);color:#0000FF;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;text-decoration: underline;vertical-align:bottom;"><a style="background-color:rgb(255,255,255, 0.0);color:#0000FF;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;text-decoration: underline;vertical-align:bottom;-sec-extract:exhibit;" href="http://www.sec.gov/Archives/edgar/data/1084991/000108499114000047/promissory.htm">10.8</a></span></div></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:top;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Promissory Note in the aggregate amount of $30,000,000 issued to JPMorgan Chase Bank, N.A., dated August 31, 2017, in connection with the revolving credit line under the Credit Agreement with JPMorgan Chase Bank, N.A. (Incorporated by reference to Exhibit 10.3 of the Registrant&#8217;s Current Report on Form 8-K filed with the Securities and Exchange Commission on September 7, 2017.)</span></td></tr><tr><td colspan="3" style="height:8pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="height:8pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:top;padding-left:1pt;padding-right:1pt;"><div style="line-height:100%;"><span style="background-color:rgb(255,255,255, 0.0);color:#0000FF;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;text-decoration: underline;vertical-align:bottom;"><a style="background-color:rgb(255,255,255, 0.0);color:#0000FF;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;text-decoration: underline;vertical-align:bottom;-sec-extract:exhibit;" href="http://www.sec.gov/Archives/edgar/data/1084991/000108499115000014/exhibit101sctagreement42715.htm">10.9</a></span></div></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Amended and restated Employment Agreement dated April 27, 2015 between Natural Gas Services Group, Inc. and Stephen C. Taylor (Incorporated by reference to Exhibit 10.1 of the Registrant&#8217;s Current Report on Form 8-K filed with the Securities and Exchange Commission on April 29, 2015.)</span></td></tr><tr><td colspan="3" style="height:8pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="height:8pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:top;padding-left:1pt;padding-right:1pt;"><div style="line-height:100%;"><span style="background-color:rgb(255,255,255, 0.0);color:#0000FF;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;text-decoration: underline;vertical-align:bottom;"><a style="background-color:rgb(255,255,255, 0.0);color:#0000FF;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;text-decoration: underline;vertical-align:bottom;-sec-extract:exhibit;" href="http://www.sec.gov/Archives/edgar/data/1084991/000108499116000060/deferredcompplan.htm">10.10</a></span></div></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:top;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">The Executive Nonqualified Excess Plan Adoption Agreement, referred to as the Nonqualified Deferred Compensation Plan (Incorporated by reference to Exhibit 10.11 of the Registrant's Quarterly report on Form 10-Q filed with the Securities and Exchange Commission on May 6, 2016.)</span></td></tr></table></div><div style="line-height:120%;text-align:center;"><span><br/></span></div><div style="line-height:120%;text-align:center;"><span><br/></span></div><div style="line-height:120%;text-align:center;"><span><br/></span></div><div style="line-height:120%;text-align:center;"><span><br/></span></div><div style="position:relative;width:100%;height:45pt;width:100%;"><div style="position:absolute;bottom:0;width:100%;"><div style="text-align:center;-sec-extract:summary;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:115%;vertical-align:bottom;">21</span></div></div></div><hr style="page-break-after:always"></hr><div style="height:45pt;width:100%;"><div><span><br/></span></div></div><div style="text-align:center;"><table style="margin-left:auto;margin-right:auto;border-collapse:collapse;text-align:left;text-indent:0pt;display:inline-table;width:95.906433%;"><tr><td style="width:1.0%;"></td><td style="width:8.670732%;"></td><td style="width:1.0%;"></td><td style="width:1.0%;"></td><td style="width:87.329268%;"></td><td style="width:1.0%;"></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><div style="line-height:100%;"><span style="background-color:rgb(255,255,255, 0.0);color:#0000FF;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;text-decoration: underline;vertical-align:bottom;"><a style="background-color:rgb(255,255,255, 0.0);color:#0000FF;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;text-decoration: underline;vertical-align:bottom;-sec-extract:exhibit;" href="http://www.sec.gov/Archives/edgar/data/1084991/000108499112000041/a101annualincentivebonuspl.htm">10.11</a></span></div></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:top;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Annual Incentive Bonus Plan (Incorporated by reference to Exhibit 10.1 of the Registrant's Current Report on Form 8-K filed with the Securities and Exchange Commission December 18, 2012.)</span></td></tr><tr><td colspan="3" style="height:7pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="height:7pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:top;padding-left:1pt;padding-right:1pt;"><div style="line-height:100%;"><span style="background-color:rgb(255,255,255, 0.0);color:#0000FF;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;text-decoration: underline;vertical-align:bottom;"><a style="background-color:rgb(255,255,255, 0.0);color:#0000FF;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;text-decoration: underline;vertical-align:bottom;-sec-extract:exhibit;" href="ngs-063018xex311.htm">*31.1</a></span></div></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:top;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Certification of Chief Executive Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002</span></td></tr><tr><td colspan="3" style="height:7pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="height:7pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:top;padding-left:1pt;padding-right:1pt;"><div style="line-height:100%;"><span style="background-color:rgb(255,255,255, 0.0);color:#0000FF;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;text-decoration: underline;vertical-align:bottom;"><a style="background-color:rgb(255,255,255, 0.0);color:#0000FF;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;text-decoration: underline;vertical-align:bottom;-sec-extract:exhibit;" href="ngs-063018xex312.htm">*31.2</a></span></div></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:top;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Certification of Principal Accounting Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002</span></td></tr><tr><td colspan="3" style="height:7pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="height:7pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:top;padding-left:1pt;padding-right:1pt;"><div style="line-height:100%;"><span style="background-color:rgb(255,255,255, 0.0);color:#0000FF;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;text-decoration: underline;vertical-align:bottom;"><a style="background-color:rgb(255,255,255, 0.0);color:#0000FF;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;text-decoration: underline;vertical-align:bottom;-sec-extract:exhibit;" href="ngs-063018xex321.htm">*32.1</a></span></div></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:top;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Certification of Chief Executive Officer pursuant to Section 906 of the Sarbanes-Oxley Act of 2002</span></td></tr><tr><td colspan="3" style="height:7pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="height:7pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:top;padding-left:1pt;padding-right:1pt;"><div style="line-height:100%;"><span style="background-color:rgb(255,255,255, 0.0);color:#0000FF;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;text-decoration: underline;vertical-align:bottom;"><a style="background-color:rgb(255,255,255, 0.0);color:#0000FF;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;text-decoration: underline;vertical-align:bottom;-sec-extract:exhibit;" href="ngs-063018xex322.htm">*32.2</a></span></div></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:top;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Certification of Principal Accounting Officer pursuant to Section 906 of the Sarbanes-Oxley Act of 2002</span></td></tr><tr><td colspan="3" style="height:7pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="height:7pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:top;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">101.INS</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:top;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">XBRL Instance Document</span></td></tr><tr><td colspan="3" style="height:7pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="height:7pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:top;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">101.SCH</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:top;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">XBRL Taxonomy Extension Schema Document</span></td></tr><tr><td colspan="3" style="height:7pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="height:7pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:top;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">101.CAL</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:top;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">XBRL Taxonomy Extension Calculation Linkbase Document</span></td></tr><tr><td colspan="3" style="height:7pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="height:7pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:top;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">101.DEF</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:top;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">XBRL Taxonomy Extension Definition Linkbase Document</span></td></tr><tr><td colspan="3" style="height:7pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="height:7pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:top;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">101.LAB</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:top;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">XBRL Taxonomy Extension Label Linkbase Document</span></td></tr><tr><td colspan="3" style="height:7pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="height:7pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:top;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">101.PRE</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:top;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">XBRL Taxonomy Extension Presentation Linkbase Document</span></td></tr><tr><td colspan="3" style="height:7pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="height:7pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td></tr><tr><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:top;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">* Filed herewith.</span></td></tr></table></div><div style="line-height:120%;text-align:center;"><span><br/></span></div><div style="line-height:120%;text-align:center;"><span><br/></span></div><div style="line-height:120%;"><span><br/></span></div><div id="i_0_546"></div><div style="line-height:120%;text-align:center;-sec-extract:summary;"></div><div style="position:relative;width:100%;height:45pt;width:100%;"><div style="position:absolute;bottom:0;width:100%;"><div style="text-align:center;-sec-extract:summary;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:115%;vertical-align:bottom;">22</span></div></div></div><hr style="page-break-after:always"></hr><div style="height:45pt;width:100%;"><div><span><br/></span></div></div><div style="line-height:120%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:700;line-height:120%;vertical-align:bottom;">SIGNATURES</span></div><div style="line-height:120%;"><span><br/></span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.</span></div><div style="line-height:120%;"><span><br/></span></div><div style="line-height:120%;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">NATURAL GAS SERVICES GROUP, INC.</span></div><div style="line-height:120%;"><span><br/></span></div><div style="line-height:120%;"><span><br/></span></div><div style="line-height:120%;"><span><br/></span></div><div><table style="margin-left:auto;margin-right:auto;border-collapse:collapse;text-align:left;text-indent:0pt;display:inline-table;width:99.707602%;"><tr><td style="width:1.0%;"></td><td style="width:42.134897%;"></td><td style="width:1.0%;"></td><td style="width:1.0%;"></td><td style="width:3.865103%;"></td><td style="width:1.0%;"></td><td style="width:1.0%;"></td><td style="width:42.134897%;"></td><td style="width:1.0%;"></td><td style="width:1.0%;"></td><td style="width:3.865103%;"></td><td style="width:1.0%;"></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:top;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">/s/ Stephen C. Taylor&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:top;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">/s/ G. Larry Lawrence&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:top;border-top:2pt solid #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Stephen C. Taylor&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:top;border-top:2pt solid #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">G. Larry Lawrence&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:top;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">President and Chief Executive Officer&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:top;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Vice President and Chief Financial Officer&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:top;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">(Principal Executive Officer)&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:top;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">(Principal Accounting Officer)&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td></tr></table></div><div style="line-height:120%;"><span><br/></span></div><div style="line-height:120%;"><span><br/></span></div><div style="line-height:120%;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">August&#160;9, 2018&#160;</span></div><div style="line-height:120%;"><span><br/></span></div><div style="line-height:120%;"><span><br/></span></div></body></html>
</XBRL>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-31.1
<SEQUENCE>2
<FILENAME>ngs-063018xex311.htm
<TEXT>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html><head>
<!-- Document created using Wdesk -->
<!-- Copyright 2018 Workiva -->
<title>Document</title></head><body><div id="i_0_21"></div><div style="height:45pt;width:100%;"><div><font><br></font></div></div><div style="text-align:right;"><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:115%;vertical-align:bottom;">Exhibit 31.1</font></div><div><font><br></font></div><div style="text-align:center;"><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:115%;vertical-align:bottom;">Certifications</font></div><div><font><br></font></div><div><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:115%;vertical-align:bottom;">I, Stephen C. Taylor, certify that&#58;</font></div><div><font><br></font></div><div style="text-indent:-36pt;padding-left:36pt;"><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:115%;vertical-align:bottom;">1.    </font><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:115%;vertical-align:bottom;">I have reviewed this Quarterly Report on Form 10-Q of Natural Gas Services Group, Inc&#59;</font></div><div style="text-indent:-36pt;"><font><br></font></div><div style="text-indent:-36pt;padding-left:36pt;"><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:115%;vertical-align:bottom;">1.    </font><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:115%;vertical-align:bottom;">Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report&#59;</font></div><div style="text-indent:-36pt;"><font><br></font></div><div style="text-indent:-36pt;padding-left:36pt;"><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:115%;vertical-align:bottom;">1.    </font><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:115%;vertical-align:bottom;">Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report&#59;</font></div><div style="text-indent:-36pt;"><font><br></font></div><div style="text-indent:-36pt;padding-left:36pt;"><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:115%;vertical-align:bottom;">1.    </font><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:115%;vertical-align:bottom;">The registrant's other certifying officer(s) and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f) for the registrant and have&#58;</font></div><div><font><br></font></div><div style="text-indent:-18pt;padding-left:72pt;"><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:115%;vertical-align:bottom;">a.    </font><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:115%;vertical-align:bottom;">Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared&#59;</font></div><div style="padding-left:36pt;"><font><br></font></div><div style="text-indent:-18pt;padding-left:72pt;"><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:115%;vertical-align:bottom;">a.    </font><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:115%;vertical-align:bottom;">Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles&#59;</font></div><div style="padding-left:36pt;"><font><br></font></div><div style="text-indent:-18pt;padding-left:72pt;"><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:115%;vertical-align:bottom;">a.    </font><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:115%;vertical-align:bottom;">Evaluated the effectiveness of the registrant's disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation&#59; and</font></div><div style="padding-left:36pt;"><font><br></font></div><div style="text-indent:-18pt;padding-left:72pt;"><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:115%;vertical-align:bottom;">a.    </font><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:115%;vertical-align:bottom;">Disclosed in this report any change in the registrant's internal control over financial reporting that occurred during the registrant's most recent fiscal quarter (the registrant's fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant's internal control over financial reporting&#59; and</font></div><div><font><br></font></div><div style="text-indent:-36pt;padding-left:36pt;"><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:115%;vertical-align:bottom;">5.</font><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:115%;vertical-align:bottom;">&#160;</font><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:115%;vertical-align:bottom;">The registrant's other certifying officer(s) and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant's auditors and the audit committee of the registrant's board of directors (or persons performing the equivalent functions)&#58;</font></div><div><font><br></font></div><div style="text-indent:-18pt;padding-left:72pt;"><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:115%;vertical-align:bottom;">a.    </font><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:115%;vertical-align:bottom;">All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant's ability to record, process, summarize and report financial information&#59; and</font></div><div style="padding-left:36pt;"><font><br></font></div><div style="text-indent:-18pt;padding-left:72pt;"><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:115%;vertical-align:bottom;">a.    </font><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:115%;vertical-align:bottom;">Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant's internal control over financial reporting.</font></div><div style="padding-left:36pt;"><font><br></font></div><div style="margin-bottom:6pt;"><table style="margin-left:auto;margin-right:auto;border-collapse:collapse;text-align:left;text-indent:0pt;display:inline-table;width:99.853801%;"><tr><td style="width:1.0%;"></td><td style="width:4.442167%;"></td><td style="width:1.0%;"></td><td style="width:1.0%;"></td><td style="width:27.868228%;"></td><td style="width:1.0%;"></td><td style="width:1.0%;"></td><td style="width:2.538799%;"></td><td style="width:1.0%;"></td><td style="width:1.0%;"></td><td style="width:39.142020%;"></td><td style="width:1.0%;"></td><td style="width:1.0%;"></td><td style="width:16.008785%;"></td><td style="width:1.0%;"></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><font style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Dated&#58;&#160;</font></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><font style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">August 9, 2018</font></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><font style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"></font></td><td colspan="6" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><font style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Natural Gas Services Group, Inc.&#160;</font></td><td colspan="3" style="display:none;"></td></tr><tr><td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><font style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"></font></td><td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><font style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"></font></td><td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><font style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"></font></td><td colspan="6" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><font style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"></font></td><td colspan="3" style="display:none;"></td></tr><tr><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><font style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"></font></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><font style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"></font></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><font style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">By&#58;&#160;</font></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><font style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">&#47;s&#47; Stephen C. Taylor&#160;</font></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><font style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"></font></td></tr><tr><td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><font style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"></font></td><td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><font style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"></font></td><td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><font style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"></font></td><td colspan="6" style="padding-top:2px;padding-bottom:2px;height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:2pt solid #000;padding-left:1pt;padding-right:1pt;"><font style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Stephen C. Taylor,&#160;</font></td><td colspan="3" style="display:none;"></td></tr><tr><td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><font style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"></font></td><td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><font style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"></font></td><td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><font style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"></font></td><td colspan="6" style="padding-top:2px;padding-bottom:2px;height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><font style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">President, CEO and Chairman of the Board of Directors&#160;</font></td><td colspan="3" style="display:none;"></td></tr><tr><td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><font style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"></font></td><td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><font style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"></font></td><td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><font style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"></font></td><td colspan="6" style="padding-top:2px;padding-bottom:2px;height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><font style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">(Principal Executive Officer)&#160;</font></td><td colspan="3" style="display:none;"></td></tr></table></div><div><font><br></font></div><div style="position:relative;width:100%;height:45pt;width:100%;"><div style="position:absolute;bottom:0;width:100%;"><div><font><br></font></div></div></div></body></html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-31.2
<SEQUENCE>3
<FILENAME>ngs-063018xex312.htm
<TEXT>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html><head>
<!-- Document created using Wdesk -->
<!-- Copyright 2018 Workiva -->
<title>Document</title></head><body><div id="i_0_21"></div><div style="height:45pt;width:100%;"><div><font><br></font></div></div><div style="text-align:right;"><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:115%;vertical-align:bottom;">Exhibit 31.2</font></div><div><font><br></font></div><div style="text-align:center;"><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:115%;vertical-align:bottom;">Certifications</font></div><div><font><br></font></div><div><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:115%;vertical-align:bottom;">I, G. Larry Lawrence, certify that&#58;</font></div><div><font><br></font></div><div><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:115%;vertical-align:bottom;">1.</font><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:115%;vertical-align:bottom;">&#160;</font><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:115%;vertical-align:bottom;">I have reviewed this Quarterly Report on Form 10-Q of Natural Gas Services Group, Inc&#59;</font></div><div><font><br></font></div><div><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:115%;vertical-align:bottom;">2.</font><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:115%;vertical-align:bottom;">&#160;</font><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:115%;vertical-align:bottom;">Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report&#59;</font></div><div><font><br></font></div><div><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:115%;vertical-align:bottom;">3.</font><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:115%;vertical-align:bottom;">&#160;</font><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:115%;vertical-align:bottom;">Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report&#59;</font></div><div><font><br></font></div><div><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:115%;vertical-align:bottom;">4.</font><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:115%;vertical-align:bottom;">&#160;</font><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:115%;vertical-align:bottom;">The registrant's other certifying officer(s) and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f) for the registrant and have&#58;</font></div><div><font><br></font></div><div><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:115%;vertical-align:bottom;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;</font><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:115%;vertical-align:bottom;">(a)</font><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:115%;vertical-align:bottom;">&#160;</font><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:115%;vertical-align:bottom;">Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared&#59;</font></div><div><font><br></font></div><div><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:115%;vertical-align:bottom;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;</font><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:115%;vertical-align:bottom;">(b)</font><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:115%;vertical-align:bottom;">&#160;</font><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:115%;vertical-align:bottom;">Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles&#59;</font></div><div><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:115%;vertical-align:bottom;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;</font><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:115%;vertical-align:bottom;">(c)</font><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:115%;vertical-align:bottom;">&#160;</font><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:115%;vertical-align:bottom;">Evaluated the effectiveness of the registrant's disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation&#59; and</font></div><div><font><br></font></div><div><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:115%;vertical-align:bottom;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;</font><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:115%;vertical-align:bottom;">(d)</font><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:115%;vertical-align:bottom;">&#160;</font><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:115%;vertical-align:bottom;">Disclosed in this report any change in the registrant's internal control over financial reporting that occurred during the registrant's most recent fiscal quarter (the registrant's fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant's internal control over financial reporting&#59; and</font></div><div><font><br></font></div><div><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:115%;vertical-align:bottom;">5.</font><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:115%;vertical-align:bottom;">&#160;</font><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:115%;vertical-align:bottom;">The registrant's other certifying officer(s) and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant's auditors and the audit committee of the registrant's board of directors (or persons performing the equivalent functions)&#58;</font></div><div><font><br></font></div><div><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:115%;vertical-align:bottom;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;</font><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:115%;vertical-align:bottom;">(a)</font><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:115%;vertical-align:bottom;">&#160;</font><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:115%;vertical-align:bottom;">All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant's ability to record, process, summarize and report financial information&#59; and</font></div><div><font><br></font></div><div><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:115%;vertical-align:bottom;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;</font><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:115%;vertical-align:bottom;">(b)</font><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:115%;vertical-align:bottom;">&#160;</font><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:115%;vertical-align:bottom;">Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant's internal control over financial reporting.</font></div><div><font><br></font></div><div><font><br></font></div><div style="margin-bottom:6pt;"><table style="margin-left:auto;margin-right:auto;border-collapse:collapse;text-align:left;text-indent:0pt;display:inline-table;width:99.853801%;"><tr><td style="width:1.0%;"></td><td style="width:4.442167%;"></td><td style="width:1.0%;"></td><td style="width:1.0%;"></td><td style="width:27.868228%;"></td><td style="width:1.0%;"></td><td style="width:1.0%;"></td><td style="width:2.538799%;"></td><td style="width:1.0%;"></td><td style="width:1.0%;"></td><td style="width:39.142020%;"></td><td style="width:1.0%;"></td><td style="width:1.0%;"></td><td style="width:16.008785%;"></td><td style="width:1.0%;"></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><font style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Dated&#58;&#160;</font></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><font style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">August 9, 2018</font></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><font style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"></font></td><td colspan="6" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><font style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Natural Gas Services Group, Inc.&#160;</font></td><td colspan="3" style="display:none;"></td></tr><tr><td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><font style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"></font></td><td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><font style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"></font></td><td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><font style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"></font></td><td colspan="6" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><font style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"></font></td><td colspan="3" style="display:none;"></td></tr><tr><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><font style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"></font></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><font style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"></font></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><font style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">By&#58;&#160;</font></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><font style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">&#47;s&#47; G. Larry Lawrence&#160;</font></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><font style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"></font></td></tr><tr><td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><font style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"></font></td><td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><font style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"></font></td><td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><font style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"></font></td><td colspan="6" style="padding-top:2px;padding-bottom:2px;height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:2pt solid #000;padding-left:1pt;padding-right:1pt;"><font style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">G. Larry Lawrence&#160;</font></td><td colspan="3" style="display:none;"></td></tr><tr><td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><font style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"></font></td><td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><font style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"></font></td><td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><font style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"></font></td><td colspan="6" style="padding-top:2px;padding-bottom:2px;height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><font style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Vice President, Chief Financial Officer&#160;</font></td><td colspan="3" style="display:none;"></td></tr><tr><td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><font style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"></font></td><td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><font style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"></font></td><td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><font style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"></font></td><td colspan="6" style="padding-top:2px;padding-bottom:2px;height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><font style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">(Principal Accounting Officer)&#160;</font></td><td colspan="3" style="display:none;"></td></tr></table></div><div><font><br></font></div><div style="position:relative;width:100%;height:45pt;width:100%;"><div style="position:absolute;bottom:0;width:100%;"><div><font><br></font></div></div></div></body></html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-32.1
<SEQUENCE>4
<FILENAME>ngs-063018xex321.htm
<TEXT>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html><head>
<!-- Document created using Wdesk -->
<!-- Copyright 2018 Workiva -->
<title>Document</title></head><body><div id="i_0_21"></div><div style="height:45pt;width:100%;"><div><font><br></font></div></div><div style="text-align:right;"><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:115%;vertical-align:bottom;">Exhibit 32.1</font></div><div><font><br></font></div><div><font><br></font></div><div style="text-align:center;"><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:700;line-height:115%;vertical-align:bottom;">CERTIFICATION PURSUANT TO</font></div><div style="text-align:center;"><font><br></font></div><div style="text-align:center;"><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:700;line-height:115%;vertical-align:bottom;">18 U.S.C. &#167;1350,</font></div><div style="text-align:center;"><font><br></font></div><div style="text-align:center;"><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:700;line-height:115%;vertical-align:bottom;">AS ADOPTED PURSUANT TO</font></div><div style="text-align:center;"><font><br></font></div><div style="text-align:center;"><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:700;line-height:115%;vertical-align:bottom;">SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002</font></div><div style="text-align:center;"><font><br></font></div><div><font><br></font></div><div><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:115%;vertical-align:bottom;">In connection with the Quarterly Report of Natural Gas Services Group, Inc. (the &#8220;Company&#8221;) on Form 10-Q for the period ended June&#160;30, 2018 as filed with the Securities and Exchange Commission on the date hereof (the &#8220;Report&#8221;), I, Stephen C. Taylor, Chief Executive Officer of the Company, certify, pursuant to 18 U.S.C. &#167;1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that&#58;</font></div><div><font><br></font></div><div><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:115%;vertical-align:bottom;">1.</font><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:115%;vertical-align:bottom;">&#160;</font><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:115%;vertical-align:bottom;">The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended&#59; and</font></div><div><font><br></font></div><div><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:115%;vertical-align:bottom;">2.</font><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:115%;vertical-align:bottom;">&#160;</font><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:115%;vertical-align:bottom;">The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.</font></div><div><font><br></font></div><div><font><br></font></div><div style="margin-bottom:6pt;"><table style="margin-left:auto;margin-right:auto;border-collapse:collapse;text-align:left;text-indent:0pt;display:inline-table;width:99.984408%;"><tr><td style="width:1.0%;"></td><td style="width:4.432749%;"></td><td style="width:1.0%;"></td><td style="width:1.0%;"></td><td style="width:27.824561%;"></td><td style="width:1.0%;"></td><td style="width:1.0%;"></td><td style="width:2.532164%;"></td><td style="width:1.0%;"></td><td style="width:1.0%;"></td><td style="width:36.888889%;"></td><td style="width:1.0%;"></td><td style="width:1.0%;"></td><td style="width:18.321637%;"></td><td style="width:1.0%;"></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><font style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Dated&#58;&#160;</font></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><font style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">August 9, 2018</font></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><font style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"></font></td><td colspan="6" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><font style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Natural Gas Services Group, Inc.&#160;</font></td><td colspan="3" style="display:none;"></td></tr><tr><td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><font style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"></font></td><td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><font style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"></font></td><td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><font style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"></font></td><td colspan="6" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><font style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"></font></td><td colspan="3" style="display:none;"></td></tr><tr><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><font style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"></font></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><font style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"></font></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><font style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">By&#58;&#160;</font></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><font style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">&#47;s&#47; Stephen C. Taylor&#160;</font></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><font style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"></font></td></tr><tr><td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><font style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"></font></td><td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><font style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"></font></td><td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><font style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"></font></td><td colspan="6" style="padding-top:2px;padding-bottom:2px;height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:2pt solid #000;padding-left:1pt;padding-right:1pt;"><font style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Stephen C. Taylor,&#160;</font></td><td colspan="3" style="display:none;"></td></tr><tr><td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><font style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"></font></td><td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><font style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"></font></td><td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><font style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"></font></td><td colspan="6" style="padding-top:2px;padding-bottom:2px;height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><font style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">President, CEO and Chairman of the Board of Directors&#160;</font></td><td colspan="3" style="display:none;"></td></tr><tr><td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><font style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"></font></td><td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><font style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"></font></td><td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><font style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"></font></td><td colspan="6" style="padding-top:2px;padding-bottom:2px;height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><font style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">(Principal Executive Officer)&#160;</font></td><td colspan="3" style="display:none;"></td></tr></table></div><div><font><br></font></div><div><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:115%;vertical-align:bottom;">The foregoing certification is being furnished solely to accompany the Report pursuant to 18 U.S.C. &#167; 1350, and is not being filed for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, and is not to be incorporated by reference into any filing of the Company, whether made before or after the date hereof, regardless of any general incorporation language in such filing.</font></div><div><font><br></font></div><div style="position:relative;width:100%;height:45pt;width:100%;"><div style="position:absolute;bottom:0;width:100%;"><div><font><br></font></div></div></div></body></html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-32.2
<SEQUENCE>5
<FILENAME>ngs-063018xex322.htm
<TEXT>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html><head>
<!-- Document created using Wdesk -->
<!-- Copyright 2018 Workiva -->
<title>Document</title></head><body><div id="i_0_21"></div><div style="height:45pt;width:100%;"><div><font><br></font></div></div><div style="text-align:right;"><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:115%;vertical-align:bottom;">Exhibit 32.2</font></div><div><font><br></font></div><div><font><br></font></div><div><font><br></font></div><div style="text-align:center;"><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:700;line-height:115%;vertical-align:bottom;">CERTIFICATION PURSUANT TO</font></div><div style="text-align:center;"><font><br></font></div><div style="text-align:center;"><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:700;line-height:115%;vertical-align:bottom;">18 U.S.C. &#167;1350,</font></div><div style="text-align:center;"><font><br></font></div><div style="text-align:center;"><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:700;line-height:115%;vertical-align:bottom;">AS ADOPTED PURSUANT TO</font></div><div style="text-align:center;"><font><br></font></div><div style="text-align:center;"><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:700;line-height:115%;vertical-align:bottom;">SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002</font></div><div><font><br></font></div><div><font><br></font></div><div><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:115%;vertical-align:bottom;">In connection with the Quarterly Report of Natural Gas Services Group, Inc. (the &#8220;Company&#8221;) on Form 10-Q for the period ended June&#160;30, 2018 as filed with the Securities and Exchange Commission on the date hereof (the &#8220;Report&#8221;), I, G. Larry Lawrence, Chief Financial Officer of the Company, certify, pursuant to 18 U.S.C. &#167;1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that&#58;</font></div><div><font><br></font></div><div><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:115%;vertical-align:bottom;">1.</font><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:115%;vertical-align:bottom;">&#160;</font><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:115%;vertical-align:bottom;">The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended&#59; and</font></div><div><font><br></font></div><div><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:115%;vertical-align:bottom;">2.</font><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:115%;vertical-align:bottom;">&#160;</font><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:115%;vertical-align:bottom;">The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.</font></div><div><font><br></font></div><div><font><br></font></div><div style="margin-bottom:6pt;"><table style="margin-left:auto;margin-right:auto;border-collapse:collapse;text-align:left;text-indent:0pt;display:inline-table;width:99.990000%;"><tr><td style="width:1.0%;"></td><td style="width:4.432749%;"></td><td style="width:1.0%;"></td><td style="width:1.0%;"></td><td style="width:27.824561%;"></td><td style="width:1.0%;"></td><td style="width:1.0%;"></td><td style="width:2.532164%;"></td><td style="width:1.0%;"></td><td style="width:1.0%;"></td><td style="width:36.888889%;"></td><td style="width:1.0%;"></td><td style="width:1.0%;"></td><td style="width:18.321637%;"></td><td style="width:1.0%;"></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><font style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Dated&#58;&#160;</font></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><font style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">August 9, 2018</font></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><font style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"></font></td><td colspan="6" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><font style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Natural Gas Services Group, Inc.&#160;</font></td><td colspan="3" style="display:none;"></td></tr><tr><td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><font style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"></font></td><td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><font style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"></font></td><td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><font style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"></font></td><td colspan="6" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><font style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"></font></td><td colspan="3" style="display:none;"></td></tr><tr><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><font style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"></font></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><font style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"></font></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><font style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">By&#58;&#160;</font></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><font style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">&#47;s&#47; G. Larry Lawrence&#160;</font></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><font style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"></font></td></tr><tr><td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><font style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"></font></td><td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><font style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"></font></td><td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><font style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"></font></td><td colspan="6" style="padding-top:2px;padding-bottom:2px;height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:2pt solid #000;padding-left:1pt;padding-right:1pt;"><font style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">G. Larry Lawrence,&#160;</font></td><td colspan="3" style="display:none;"></td></tr><tr><td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><font style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"></font></td><td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><font style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"></font></td><td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><font style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"></font></td><td colspan="6" style="padding-top:2px;padding-bottom:2px;height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><font style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Vice President and Chief Financial Officer&#160;</font></td><td colspan="3" style="display:none;"></td></tr><tr><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><font style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"></font></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><font style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"></font></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><font style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"></font></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><font style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">(Principle Accounting Officer)&#160;</font></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><font style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"></font></td></tr></table></div><div><font><br></font></div><div><font><br></font></div><div><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:115%;vertical-align:bottom;">The foregoing certification is being furnished solely to accompany the Report pursuant to 18 U.S.C. &#167; 1350, and is not being filed for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, and is not to be incorporated by reference into any filing of the Company, whether made before or after the date hereof, regardless of any general incorporation language in such filing.</font></div><div><font><br></font></div><div style="position:relative;width:100%;height:45pt;width:100%;"><div style="position:absolute;bottom:0;width:100%;"><div><font><br></font></div></div></div></body></html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-101.SCH
<SEQUENCE>6
<FILENAME>ngs-20180630.xsd
<DESCRIPTION>XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT
<TEXT>
<XBRL>
<?xml version="1.0" encoding="UTF-8"?>

<!--XBRL Document Created with Wdesk from Workiva-->
<!--Copyright 2017 Workiva-->
<!--r:099b662c-2119-4203-8f6b-49ac0226745a,g:9b7f8944-7e58-44f0-88c3-cc8518166311-->
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:ngs="http://naturalgaservices.com/20180630" xmlns:xbrli="http://www.xbrl.org/2003/instance" xmlns:nonnum="http://www.xbrl.org/dtr/type/non-numeric" xmlns:num="http://www.xbrl.org/dtr/type/numeric" xmlns:link="http://www.xbrl.org/2003/linkbase" attributeFormDefault="unqualified" elementFormDefault="qualified" targetNamespace="http://naturalgaservices.com/20180630">
  <xs:import namespace="http://fasb.org/us-gaap/2017-01-31" schemaLocation="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd"/>
  <xs:import namespace="http://www.w3.org/1999/xlink" schemaLocation="http://www.xbrl.org/2003/xlink-2003-12-31.xsd"/>
  <xs:import namespace="http://www.xbrl.org/2003/instance" schemaLocation="http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd"/>
  <xs:import namespace="http://www.xbrl.org/2003/linkbase" schemaLocation="http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd"/>
  <xs:import namespace="http://www.xbrl.org/dtr/type/non-numeric" schemaLocation="http://www.xbrl.org/dtr/type/nonNumeric-2009-12-16.xsd"/>
  <xs:import namespace="http://www.xbrl.org/dtr/type/numeric" schemaLocation="http://www.xbrl.org/dtr/type/numeric-2009-12-16.xsd"/>
  <xs:import namespace="http://xbrl.sec.gov/dei/2014-01-31" schemaLocation="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd"/>
  <xs:element id="ngs_RangeOneMember" abstract="true" name="RangeOneMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="ngs_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsCanceledOrForfeitedWeightedAverageGrantDateFairValue" abstract="false" name="SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsCanceledOrForfeitedWeightedAverageGrantDateFairValue" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="num:perShareItemType"/>
  <xs:element id="ngs_LineOfCreditFacilityDefaultTriggerRenderingOfCertainJudgmentsAmount" abstract="false" name="LineOfCreditFacilityDefaultTriggerRenderingOfCertainJudgmentsAmount" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ngs_VicePresidentofTechnicalServicesMember" abstract="true" name="VicePresidentofTechnicalServicesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="ngs_DocumentAndEntityInformationAbstract" abstract="true" name="DocumentAndEntityInformationAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="ngs_InventoryCurrentRawMaterialsNetofReserves" abstract="false" name="InventoryCurrentRawMaterialsNetofReserves" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ngs_LineOfCreditFacilityPotentialIncreaseInBorrowingCapacity" abstract="false" name="LineOfCreditFacilityPotentialIncreaseInBorrowingCapacity" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ngs_TransferOfRentalEquipmentToInventory" abstract="false" name="TransferOfRentalEquipmentToInventory" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ngs_EmployeeServiceShareBasedCompensationNonvestedAwardsStockOptionsWeightedAverageGrantDateFairValueRollForward" abstract="true" name="EmployeeServiceShareBasedCompensationNonvestedAwardsStockOptionsWeightedAverageGrantDateFairValueRollForward" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="ngs_CompressorRelatedMember" abstract="true" name="CompressorRelatedMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="ngs_InventoryNoncurrentRawMaterialsNetofReserves" abstract="false" name="InventoryNoncurrentRawMaterialsNetofReserves" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ngs_LineOfCreditFacilityCurrentBorrowingCapacityComponentPercentageOfEligibleAccountsReceivable" abstract="false" name="LineOfCreditFacilityCurrentBorrowingCapacityComponentPercentageOfEligibleAccountsReceivable" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="num:percentItemType"/>
  <xs:element id="ngs_LineOfCreditFacilityCurrentBorrowingCapacityAllowableShareOfTotalCommitmentAmountAttributableToGeneralInventoryComponent" abstract="false" name="LineOfCreditFacilityCurrentBorrowingCapacityAllowableShareOfTotalCommitmentAmountAttributableToGeneralInventoryComponent" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="num:percentItemType"/>
  <xs:element id="ngs_CapitalizedContractCostsPolicyPolicyTextBlock" abstract="false" name="CapitalizedContractCostsPolicyPolicyTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType"/>
  <xs:element id="ngs_CbFloatingRateMember" abstract="true" name="CbFloatingRateMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="ngs_LineOfCreditFacilityPotentialMaximumBorrowingCapacity" abstract="false" name="LineOfCreditFacilityPotentialMaximumBorrowingCapacity" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ngs_IncreaseDecreaseInContractWithCustomerLiability" abstract="false" name="IncreaseDecreaseInContractWithCustomerLiability" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ngs_LineOfCreditFacilityCurrentBorrowingCapacityComponentPercentageOfEligibleGeneralInventory" abstract="false" name="LineOfCreditFacilityCurrentBorrowingCapacityComponentPercentageOfEligibleGeneralInventory" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="num:percentItemType"/>
  <xs:element id="ngs_LineofCreditFacilityCommitmentCoverageRatio" abstract="false" name="LineofCreditFacilityCommitmentCoverageRatio" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="ngs_LineOfCreditFacilityDefaultTriggerCertainDefaultsOfOtherCompanyIndebtednessAmount" abstract="false" name="LineOfCreditFacilityDefaultTriggerCertainDefaultsOfOtherCompanyIndebtednessAmount" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ngs_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsIntrinsicValueRollForward" abstract="true" name="ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsIntrinsicValueRollForward" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="ngs_InventoryValuationReservesDeductions" abstract="false" name="InventoryValuationReservesDeductions" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ngs_LineOfCreditFacilityCurrentBorrowingCapacityComponentPercentageOfEligibleEquipmentInventory" abstract="false" name="LineOfCreditFacilityCurrentBorrowingCapacityComponentPercentageOfEligibleEquipmentInventory" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="num:percentItemType"/>
  <xs:element id="ngs_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsWeightedAverageRemainingContractualTermAbstract" abstract="true" name="ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsWeightedAverageRemainingContractualTermAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="ngs_ServiceandMaintenanceMember" abstract="true" name="ServiceandMaintenanceMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="ngs_LineofCreditFacilityLeverageRatio" abstract="false" name="LineofCreditFacilityLeverageRatio" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="ngs_IntangibleAssetsAccumulatedAmortization" abstract="false" name="IntangibleAssetsAccumulatedAmortization" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ngs_OtherPartsRebuildsMember" abstract="true" name="OtherPartsRebuildsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="ngs_SalesServiceLineMember" abstract="true" name="SalesServiceLineMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="ngs_RevenueFromContractWithCustomerPolicyTextBlock" abstract="false" name="RevenueFromContractWithCustomerPolicyTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType"/>
  <xs:element id="ngs_LineOfCreditFacilityReferenceRateNumberOfAllowableBorrowingsOutstanding" abstract="false" name="LineOfCreditFacilityReferenceRateNumberOfAllowableBorrowingsOutstanding" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="ngs_AccountsReceivableExcludingContractsWithCustomerAssetCurrent" abstract="false" name="AccountsReceivableExcludingContractsWithCustomerAssetCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ngs_BillandHoldArrangementMember" abstract="true" name="BillandHoldArrangementMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="ngs_AccumulatedDepreciationRentalEquipment" abstract="false" name="AccumulatedDepreciationRentalEquipment" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ngs_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsCanceledOrForfeitedNumberOfShares" abstract="false" name="SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsCanceledOrForfeitedNumberOfShares" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="ngs_RentalMember" abstract="true" name="RentalMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="ngs_InventoryCurrentAndNoncurrentNet" abstract="false" name="InventoryCurrentAndNoncurrentNet" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ngs_ProceedsFromPurchaseCommitmentDiscountNet" abstract="false" name="ProceedsFromPurchaseCommitmentDiscountNet" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ngs_RangeThreeMember" abstract="true" name="RangeThreeMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="ngs_RangeTwoMember" abstract="true" name="RangeTwoMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="ngs_EmployeeServiceShareBasedCompensationNonvestedAwardsStockOptionsOutstandingRollForward" abstract="true" name="EmployeeServiceShareBasedCompensationNonvestedAwardsStockOptionsOutstandingRollForward" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="ngs_WeightedAverageSharesOutstandingBasicAndDilutedAbstract" abstract="true" name="WeightedAverageSharesOutstandingBasicAndDilutedAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="ngs_FlaresRelatedMember" abstract="true" name="FlaresRelatedMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="ngs_ProductSalesMember" abstract="true" name="ProductSalesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="ngs_AntidilutiveEffectMember" abstract="true" name="AntidilutiveEffectMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="ngs_DeferredCompensationArrangementwithIndividualMaximumAnnualContributionsPerEmployeePercent" abstract="false" name="DeferredCompensationArrangementwithIndividualMaximumAnnualContributionsPerEmployeePercent" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="num:percentItemType"/>
  <xs:element id="ngs_RentalEquipmentNet" abstract="false" name="RentalEquipmentNet" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ngs_DeferredCompensationArrangementwithIndividualDeferredRestrictedStock" abstract="false" name="DeferredCompensationArrangementwithIndividualDeferredRestrictedStock" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="ngs_RangeFourMember" abstract="true" name="RangeFourMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:annotation>
    <xs:appinfo>
      <link:linkbaseRef xmlns:xlink="http://www.w3.org/1999/xlink" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="ngs-20180630_cal.xml" xlink:role="http://www.xbrl.org/2003/role/calculationLinkbaseRef" xlink:type="simple"/>
      <link:linkbaseRef xmlns:xlink="http://www.w3.org/1999/xlink" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="ngs-20180630_def.xml" xlink:role="http://www.xbrl.org/2003/role/definitionLinkbaseRef" xlink:type="simple"/>
      <link:linkbaseRef xmlns:xlink="http://www.w3.org/1999/xlink" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="ngs-20180630_lab.xml" xlink:role="http://www.xbrl.org/2003/role/labelLinkbaseRef" xlink:type="simple"/>
      <link:linkbaseRef xmlns:xlink="http://www.w3.org/1999/xlink" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="ngs-20180630_pre.xml" xlink:role="http://www.xbrl.org/2003/role/presentationLinkbaseRef" xlink:type="simple"/>
      <link:roleType id="DocumentandEntityInformation" roleURI="http://naturalgaservices.com/role/DocumentandEntityInformation">
        <link:definition>0001001 - Document - Document and Entity Information</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CondensedConsolidatedBalanceSheetsUnaudited" roleURI="http://naturalgaservices.com/role/CondensedConsolidatedBalanceSheetsUnaudited">
        <link:definition>1002002 - Statement - Condensed Consolidated Balance Sheets (Unaudited)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CondensedConsolidatedBalanceSheetsUnauditedParentheticals" roleURI="http://naturalgaservices.com/role/CondensedConsolidatedBalanceSheetsUnauditedParentheticals">
        <link:definition>1003003 - Statement - Condensed Consolidated Balance Sheets (Unaudited) (Parentheticals)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CondensedConsolidatedIncomeStatementsUnaudited" roleURI="http://naturalgaservices.com/role/CondensedConsolidatedIncomeStatementsUnaudited">
        <link:definition>1004004 - Statement - Condensed Consolidated Income Statements (Unaudited)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CondensedConsolidatedStatementsofCashFlowsUnaudited" roleURI="http://naturalgaservices.com/role/CondensedConsolidatedStatementsofCashFlowsUnaudited">
        <link:definition>1005005 - Statement - Condensed Consolidated Statements of Cash Flows (Unaudited)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="BasisofPresentationandSummaryofSignificantAccountingPolicies" roleURI="http://naturalgaservices.com/role/BasisofPresentationandSummaryofSignificantAccountingPolicies">
        <link:definition>2106101 - Disclosure - Basis of Presentation and Summary of Significant Accounting Policies</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="BasisofPresentationandSummaryofSignificantAccountingPoliciesPolicies" roleURI="http://naturalgaservices.com/role/BasisofPresentationandSummaryofSignificantAccountingPoliciesPolicies">
        <link:definition>2207201 - Disclosure - Basis of Presentation and Summary of Significant Accounting Policies (Policies)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="BasisofPresentationandSummaryofSignificantAccountingPoliciesTables" roleURI="http://naturalgaservices.com/role/BasisofPresentationandSummaryofSignificantAccountingPoliciesTables">
        <link:definition>2308301 - Disclosure - Basis of Presentation and Summary of Significant Accounting Policies (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="BasisofPresentationandSummaryofSignificantAccountingPoliciesDetails" roleURI="http://naturalgaservices.com/role/BasisofPresentationandSummaryofSignificantAccountingPoliciesDetails">
        <link:definition>2409401 - Disclosure - Basis of Presentation and Summary of Significant Accounting Policies (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="BasisofPresentationandSummaryofSignificantAccountingPoliciesDisaggregationofRevenueDetails" roleURI="http://naturalgaservices.com/role/BasisofPresentationandSummaryofSignificantAccountingPoliciesDisaggregationofRevenueDetails">
        <link:definition>2410402 - Disclosure - Basis of Presentation and Summary of Significant Accounting Policies Disaggregation of Revenue (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="BasisofPresentationandSummaryofSignificantAccountingPoliciesContractBalancesDetails" roleURI="http://naturalgaservices.com/role/BasisofPresentationandSummaryofSignificantAccountingPoliciesContractBalancesDetails">
        <link:definition>2411403 - Disclosure - Basis of Presentation and Summary of Significant Accounting Policies Contract Balances (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="BasisofPresentationandSummaryofSignificantAccountingPoliciesTransactionPriceAllocatedtotheRemainingPerformanceObligationsDetails" roleURI="http://naturalgaservices.com/role/BasisofPresentationandSummaryofSignificantAccountingPoliciesTransactionPriceAllocatedtotheRemainingPerformanceObligationsDetails">
        <link:definition>2412404 - Disclosure - Basis of Presentation and Summary of Significant Accounting Policies Transaction Price Allocated to the Remaining Performance Obligations (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="StockBasedCompensation" roleURI="http://naturalgaservices.com/role/StockBasedCompensation">
        <link:definition>2113102 - Disclosure - Stock-Based Compensation</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="StockBasedCompensationTables" roleURI="http://naturalgaservices.com/role/StockBasedCompensationTables">
        <link:definition>2314302 - Disclosure - Stock-Based Compensation (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="StockBasedCompensationStockOptionActivityDetails" roleURI="http://naturalgaservices.com/role/StockBasedCompensationStockOptionActivityDetails">
        <link:definition>2415405 - Disclosure - Stock-Based Compensation - Stock Option Activity (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="StockBasedCompensationStockOptionsOutstandingDetails" roleURI="http://naturalgaservices.com/role/StockBasedCompensationStockOptionsOutstandingDetails">
        <link:definition>2416406 - Disclosure - Stock-Based Compensation - Stock Options Outstanding (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="StockBasedCompensationSummaryofUnvestedStockOptionsDetails" roleURI="http://naturalgaservices.com/role/StockBasedCompensationSummaryofUnvestedStockOptionsDetails">
        <link:definition>2417407 - Disclosure - Stock-Based Compensation - Summary of Unvested Stock Options (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="StockBasedCompensationRestrictedStockDetails" roleURI="http://naturalgaservices.com/role/StockBasedCompensationRestrictedStockDetails">
        <link:definition>2418408 - Disclosure - Stock-Based Compensation - Restricted Stock (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="Inventory" roleURI="http://naturalgaservices.com/role/Inventory">
        <link:definition>2119103 - Disclosure - Inventory</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="InventoryTables" roleURI="http://naturalgaservices.com/role/InventoryTables">
        <link:definition>2320303 - Disclosure - Inventory (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="InventoryDetails" roleURI="http://naturalgaservices.com/role/InventoryDetails">
        <link:definition>2421409 - Disclosure - Inventory (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DeferredCompensationPlans" roleURI="http://naturalgaservices.com/role/DeferredCompensationPlans">
        <link:definition>2122104 - Disclosure - Deferred Compensation Plans</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DeferredCompensationPlansDetails" roleURI="http://naturalgaservices.com/role/DeferredCompensationPlansDetails">
        <link:definition>2423410 - Disclosure - Deferred Compensation Plans (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CreditFacility" roleURI="http://naturalgaservices.com/role/CreditFacility">
        <link:definition>2124105 - Disclosure - Credit Facility</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CreditFacilityDetails" roleURI="http://naturalgaservices.com/role/CreditFacilityDetails">
        <link:definition>2425411 - Disclosure - Credit Facility (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EarningsperShare" roleURI="http://naturalgaservices.com/role/EarningsperShare">
        <link:definition>2126106 - Disclosure - Earnings per Share</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EarningsperShareTables" roleURI="http://naturalgaservices.com/role/EarningsperShareTables">
        <link:definition>2327304 - Disclosure - Earnings per Share (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EarningsperShareBasicandDilutedDetails" roleURI="http://naturalgaservices.com/role/EarningsperShareBasicandDilutedDetails">
        <link:definition>2428412 - Disclosure - Earnings per Share - Basic and Diluted (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SegmentInformation" roleURI="http://naturalgaservices.com/role/SegmentInformation">
        <link:definition>2129107 - Disclosure - Segment Information</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SegmentInformationTables" roleURI="http://naturalgaservices.com/role/SegmentInformationTables">
        <link:definition>2330305 - Disclosure - Segment Information (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SegmentInformationDetails" roleURI="http://naturalgaservices.com/role/SegmentInformationDetails">
        <link:definition>2431413 - Disclosure - Segment Information (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CommitmentsandContingencies" roleURI="http://naturalgaservices.com/role/CommitmentsandContingencies">
        <link:definition>2132108 - Disclosure - Commitments and Contingencies</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CommitmentsandContingenciesDetails" roleURI="http://naturalgaservices.com/role/CommitmentsandContingenciesDetails">
        <link:definition>2433414 - Disclosure - Commitments and Contingencies (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
    </xs:appinfo>
  </xs:annotation>
</xs:schema>
</XBRL>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-101.CAL
<SEQUENCE>7
<FILENAME>ngs-20180630_cal.xml
<DESCRIPTION>XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT
<TEXT>
<XBRL>
<?xml version="1.0" encoding="UTF-8"?>

<!--XBRL Document Created with Wdesk from Workiva-->
<!--Copyright 2017 Workiva-->
<!--r:099b662c-2119-4203-8f6b-49ac0226745a,g:9b7f8944-7e58-44f0-88c3-cc8518166311-->
<link:linkbase xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <link:roleRef roleURI="http://naturalgaservices.com/role/DocumentandEntityInformation" xlink:type="simple" xlink:href="ngs-20180630.xsd#DocumentandEntityInformation"/>
  <link:calculationLink xlink:role="http://naturalgaservices.com/role/DocumentandEntityInformation" xlink:type="extended"/>
  <link:roleRef roleURI="http://naturalgaservices.com/role/CondensedConsolidatedBalanceSheetsUnaudited" xlink:type="simple" xlink:href="ngs-20180630.xsd#CondensedConsolidatedBalanceSheetsUnaudited"/>
  <link:calculationLink xlink:role="http://naturalgaservices.com/role/CondensedConsolidatedBalanceSheetsUnaudited" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsCurrent_0982eae1-3f21-475e-85d0-ed96ea2dc3a5" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AssetsCurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_62cdc595-d41c-44c9-a5f6-b622966d64c9" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_0982eae1-3f21-475e-85d0-ed96ea2dc3a5" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_62cdc595-d41c-44c9-a5f6-b622966d64c9" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableNetCurrent_a6a42797-1a5d-41ad-9838-793e032a0b98" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AccountsReceivableNetCurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_0982eae1-3f21-475e-85d0-ed96ea2dc3a5" xlink:to="loc_us-gaap_AccountsReceivableNetCurrent_a6a42797-1a5d-41ad-9838-793e032a0b98" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryNet_9d06d578-3801-4891-8d34-bfeac94ef058" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InventoryNet"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_0982eae1-3f21-475e-85d0-ed96ea2dc3a5" xlink:to="loc_us-gaap_InventoryNet_9d06d578-3801-4891-8d34-bfeac94ef058" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PrepaidTaxes_be41fef5-bd4b-46ff-9f98-f684a6f90445" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PrepaidTaxes"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_0982eae1-3f21-475e-85d0-ed96ea2dc3a5" xlink:to="loc_us-gaap_PrepaidTaxes_be41fef5-bd4b-46ff-9f98-f684a6f90445" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_3dbaf13e-6ca5-4f20-bb83-c238f6c87182" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PrepaidExpenseAndOtherAssetsCurrent"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_0982eae1-3f21-475e-85d0-ed96ea2dc3a5" xlink:to="loc_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_3dbaf13e-6ca5-4f20-bb83-c238f6c87182" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquity_0a29a562-87a6-429a-8ea3-45269aaeffc7" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquity"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Liabilities_24bb6502-5816-40a3-95ba-b145968b9d49" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_Liabilities"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_0a29a562-87a6-429a-8ea3-45269aaeffc7" xlink:to="loc_us-gaap_Liabilities_24bb6502-5816-40a3-95ba-b145968b9d49" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_a92383fd-6dac-440f-aa64-19f2030743dd" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StockholdersEquity"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_0a29a562-87a6-429a-8ea3-45269aaeffc7" xlink:to="loc_us-gaap_StockholdersEquity_a92383fd-6dac-440f-aa64-19f2030743dd" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommitmentsAndContingencies_297f2c19-4260-4d43-b683-b517136d7be5" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CommitmentsAndContingencies"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_0a29a562-87a6-429a-8ea3-45269aaeffc7" xlink:to="loc_us-gaap_CommitmentsAndContingencies_297f2c19-4260-4d43-b683-b517136d7be5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrent_a5ed8a42-be96-4bf6-bffd-adc5e34ddf79" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LiabilitiesCurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsPayableCurrent_1a550d71-423d-4fda-9177-00463a69729b" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AccountsPayableCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_a5ed8a42-be96-4bf6-bffd-adc5e34ddf79" xlink:to="loc_us-gaap_AccountsPayableCurrent_1a550d71-423d-4fda-9177-00463a69729b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccruedLiabilitiesCurrent_8e3ef032-940b-47f8-88ef-688ba66d4dd4" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AccruedLiabilitiesCurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_a5ed8a42-be96-4bf6-bffd-adc5e34ddf79" xlink:to="loc_us-gaap_AccruedLiabilitiesCurrent_8e3ef032-940b-47f8-88ef-688ba66d4dd4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerLiabilityCurrent_5247b28d-eb42-44ce-bb11-39a0dc634754" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ContractWithCustomerLiabilityCurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_a5ed8a42-be96-4bf6-bffd-adc5e34ddf79" xlink:to="loc_us-gaap_ContractWithCustomerLiabilityCurrent_5247b28d-eb42-44ce-bb11-39a0dc634754" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Liabilities_59f59f9f-47e2-4a60-b645-22d8127709e1" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_Liabilities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrent_a482a48c-1178-46cc-b90b-a2fdcb8e9ddb" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LiabilitiesCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_59f59f9f-47e2-4a60-b645-22d8127709e1" xlink:to="loc_us-gaap_LiabilitiesCurrent_a482a48c-1178-46cc-b90b-a2fdcb8e9ddb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxLiabilitiesNet_9b65b565-4079-44ea-b1bf-0442e3f7e693" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DeferredIncomeTaxLiabilitiesNet"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_59f59f9f-47e2-4a60-b645-22d8127709e1" xlink:to="loc_us-gaap_DeferredIncomeTaxLiabilitiesNet_9b65b565-4079-44ea-b1bf-0442e3f7e693" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLiabilitiesNoncurrent_e4a1bad3-a395-4a3a-9fad-b1f9376880c2" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherLiabilitiesNoncurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_59f59f9f-47e2-4a60-b645-22d8127709e1" xlink:to="loc_us-gaap_OtherLiabilitiesNoncurrent_e4a1bad3-a395-4a3a-9fad-b1f9376880c2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermLineOfCredit_7efd26cf-ac4d-4ff3-a952-177f0ffc057b" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LongTermLineOfCredit"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_59f59f9f-47e2-4a60-b645-22d8127709e1" xlink:to="loc_us-gaap_LongTermLineOfCredit_7efd26cf-ac4d-4ff3-a952-177f0ffc057b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Assets_15e0653f-93ec-4f06-8731-c3113f5e3da4" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_Assets"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsCurrent_20aa74c5-eef7-4139-aad8-c4ee72cd6120" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AssetsCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_15e0653f-93ec-4f06-8731-c3113f5e3da4" xlink:to="loc_us-gaap_AssetsCurrent_20aa74c5-eef7-4139-aad8-c4ee72cd6120" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_ngs_RentalEquipmentNet_bbda077b-82bd-4974-abbd-24199121e5a8" xlink:href="ngs-20180630.xsd#ngs_RentalEquipmentNet"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_15e0653f-93ec-4f06-8731-c3113f5e3da4" xlink:to="loc_ngs_RentalEquipmentNet_bbda077b-82bd-4974-abbd-24199121e5a8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentOtherNet_10160cfc-4870-4e4a-b8b1-6062c8228447" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PropertyPlantAndEquipmentOtherNet"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_15e0653f-93ec-4f06-8731-c3113f5e3da4" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentOtherNet_10160cfc-4870-4e4a-b8b1-6062c8228447" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Goodwill_ac935956-50fc-4557-b203-9cee5c0264d1" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_Goodwill"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_15e0653f-93ec-4f06-8731-c3113f5e3da4" xlink:to="loc_us-gaap_Goodwill_ac935956-50fc-4557-b203-9cee5c0264d1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_43277568-7fe1-4919-b3bd-a5302919be81" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IntangibleAssetsNetExcludingGoodwill"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_15e0653f-93ec-4f06-8731-c3113f5e3da4" xlink:to="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_43277568-7fe1-4919-b3bd-a5302919be81" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetsNoncurrent_af70edb2-1dc5-4c80-9c82-32d4963d80cc" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherAssetsNoncurrent"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_15e0653f-93ec-4f06-8731-c3113f5e3da4" xlink:to="loc_us-gaap_OtherAssetsNoncurrent_af70edb2-1dc5-4c80-9c82-32d4963d80cc" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryNoncurrent_136ec9e0-de3d-49d8-aaf0-9f4373885427" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InventoryNoncurrent"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_15e0653f-93ec-4f06-8731-c3113f5e3da4" xlink:to="loc_us-gaap_InventoryNoncurrent_136ec9e0-de3d-49d8-aaf0-9f4373885427" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_b383bcd9-9dfa-4acb-826b-5a471a28de80" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StockholdersEquity"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockValue_8465ce48-91c7-457f-b8fd-78f4ef335f8c" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PreferredStockValue"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_b383bcd9-9dfa-4acb-826b-5a471a28de80" xlink:to="loc_us-gaap_PreferredStockValue_8465ce48-91c7-457f-b8fd-78f4ef335f8c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockValue_cb2bd23b-65c7-43fc-ad84-dc1935841436" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CommonStockValue"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_b383bcd9-9dfa-4acb-826b-5a471a28de80" xlink:to="loc_us-gaap_CommonStockValue_cb2bd23b-65c7-43fc-ad84-dc1935841436" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdditionalPaidInCapitalCommonStock_c7f8f791-e055-4812-bb87-e9baa753fe7e" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AdditionalPaidInCapitalCommonStock"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_b383bcd9-9dfa-4acb-826b-5a471a28de80" xlink:to="loc_us-gaap_AdditionalPaidInCapitalCommonStock_c7f8f791-e055-4812-bb87-e9baa753fe7e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedEarningsAccumulatedDeficit_a9089cfb-cc59-4ba6-928c-21c16de35dae" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RetainedEarningsAccumulatedDeficit"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_b383bcd9-9dfa-4acb-826b-5a471a28de80" xlink:to="loc_us-gaap_RetainedEarningsAccumulatedDeficit_a9089cfb-cc59-4ba6-928c-21c16de35dae" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://naturalgaservices.com/role/CondensedConsolidatedBalanceSheetsUnauditedParentheticals" xlink:type="simple" xlink:href="ngs-20180630.xsd#CondensedConsolidatedBalanceSheetsUnauditedParentheticals"/>
  <link:calculationLink xlink:role="http://naturalgaservices.com/role/CondensedConsolidatedBalanceSheetsUnauditedParentheticals" xlink:type="extended"/>
  <link:roleRef roleURI="http://naturalgaservices.com/role/CondensedConsolidatedIncomeStatementsUnaudited" xlink:type="simple" xlink:href="ngs-20180630.xsd#CondensedConsolidatedIncomeStatementsUnaudited"/>
  <link:calculationLink xlink:role="http://naturalgaservices.com/role/CondensedConsolidatedIncomeStatementsUnaudited" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_82bd7862-8cd3-4124-aaac-c5bfdebaf566" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OperatingIncomeLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Revenues_89cdc07d-4cc1-4831-ba38-c2f1853983ef" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_Revenues"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_82bd7862-8cd3-4124-aaac-c5bfdebaf566" xlink:to="loc_us-gaap_Revenues_89cdc07d-4cc1-4831-ba38-c2f1853983ef" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostsAndExpenses_4db12213-c9f2-4d98-9e7b-916e59011dee" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CostsAndExpenses"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_82bd7862-8cd3-4124-aaac-c5bfdebaf566" xlink:to="loc_us-gaap_CostsAndExpenses_4db12213-c9f2-4d98-9e7b-916e59011dee" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_7ece59d1-c572-43fe-aab4-a55ca35e8445" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NetIncomeLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_36a64b63-3312-4576-a4ae-e6ad22ae4435" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_7ece59d1-c572-43fe-aab4-a55ca35e8445" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_36a64b63-3312-4576-a4ae-e6ad22ae4435" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_fbc9cd95-db18-4f8e-b684-9a0ba1b5a204" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_7ece59d1-c572-43fe-aab4-a55ca35e8445" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_fbc9cd95-db18-4f8e-b684-9a0ba1b5a204" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NonoperatingIncomeExpense_f74ea3f3-4e54-4ff3-8bdf-2a07c834621e" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NonoperatingIncomeExpense"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestExpense_f1322291-7c58-490d-9c6a-04a8447c8bfa" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InterestExpense"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NonoperatingIncomeExpense_f74ea3f3-4e54-4ff3-8bdf-2a07c834621e" xlink:to="loc_us-gaap_InterestExpense_f1322291-7c58-490d-9c6a-04a8447c8bfa" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNonoperatingIncomeExpense_fa63e734-8e34-4f39-afc3-1f2852585571" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherNonoperatingIncomeExpense"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NonoperatingIncomeExpense_f74ea3f3-4e54-4ff3-8bdf-2a07c834621e" xlink:to="loc_us-gaap_OtherNonoperatingIncomeExpense_fa63e734-8e34-4f39-afc3-1f2852585571" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostsAndExpenses_a8135b09-4834-4fb5-936c-e2817f0fd907" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CostsAndExpenses"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DirectCostsOfLeasedAndRentedPropertyOrEquipment_0d572325-6534-45ac-b5ed-4a304e9b0440" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DirectCostsOfLeasedAndRentedPropertyOrEquipment"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_a8135b09-4834-4fb5-936c-e2817f0fd907" xlink:to="loc_us-gaap_DirectCostsOfLeasedAndRentedPropertyOrEquipment_0d572325-6534-45ac-b5ed-4a304e9b0440" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherCostOfOperatingRevenue_b429ae89-d1d4-43a7-9366-6f5b01a8e2b5" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherCostOfOperatingRevenue"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_a8135b09-4834-4fb5-936c-e2817f0fd907" xlink:to="loc_us-gaap_OtherCostOfOperatingRevenue_b429ae89-d1d4-43a7-9366-6f5b01a8e2b5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherCostOfServices_bdb58d65-1ed3-427b-b76e-72789c52b363" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherCostOfServices"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_a8135b09-4834-4fb5-936c-e2817f0fd907" xlink:to="loc_us-gaap_OtherCostOfServices_bdb58d65-1ed3-427b-b76e-72789c52b363" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SellingGeneralAndAdministrativeExpense_6d1714ec-664e-4c5f-ac52-2a91bb696edd" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SellingGeneralAndAdministrativeExpense"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_a8135b09-4834-4fb5-936c-e2817f0fd907" xlink:to="loc_us-gaap_SellingGeneralAndAdministrativeExpense_6d1714ec-664e-4c5f-ac52-2a91bb696edd" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DepreciationDepletionAndAmortization_816db43b-de88-40a4-ba82-41283f55c008" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DepreciationDepletionAndAmortization"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_a8135b09-4834-4fb5-936c-e2817f0fd907" xlink:to="loc_us-gaap_DepreciationDepletionAndAmortization_816db43b-de88-40a4-ba82-41283f55c008" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_a4104b68-8e71-4e78-9850-ffb7fc1dd07e" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_2ef13e17-ff51-4fc3-9c8f-bb3cb3c0ed75" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OperatingIncomeLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_a4104b68-8e71-4e78-9850-ffb7fc1dd07e" xlink:to="loc_us-gaap_OperatingIncomeLoss_2ef13e17-ff51-4fc3-9c8f-bb3cb3c0ed75" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NonoperatingIncomeExpense_63af1c2c-d6ed-4a5e-93e0-26bc857ef4d4" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NonoperatingIncomeExpense"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_a4104b68-8e71-4e78-9850-ffb7fc1dd07e" xlink:to="loc_us-gaap_NonoperatingIncomeExpense_63af1c2c-d6ed-4a5e-93e0-26bc857ef4d4" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://naturalgaservices.com/role/CondensedConsolidatedStatementsofCashFlowsUnaudited" xlink:type="simple" xlink:href="ngs-20180630.xsd#CondensedConsolidatedStatementsofCashFlowsUnaudited"/>
  <link:calculationLink xlink:role="http://naturalgaservices.com/role/CondensedConsolidatedStatementsofCashFlowsUnaudited" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_943b3f08-07a0-47a3-a3c3-3c5aad0627d0" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_ngs_ProceedsFromPurchaseCommitmentDiscountNet_ddc09b0c-519e-4c4f-89db-9a21a5b53711" xlink:href="ngs-20180630.xsd#ngs_ProceedsFromPurchaseCommitmentDiscountNet"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_943b3f08-07a0-47a3-a3c3-3c5aad0627d0" xlink:to="loc_ngs_ProceedsFromPurchaseCommitmentDiscountNet_ddc09b0c-519e-4c4f-89db-9a21a5b53711" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromStockOptionsExercised_a4329858-b10a-4028-813f-ec8aed569c87" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProceedsFromStockOptionsExercised"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_943b3f08-07a0-47a3-a3c3-3c5aad0627d0" xlink:to="loc_us-gaap_ProceedsFromStockOptionsExercised_a4329858-b10a-4028-813f-ec8aed569c87" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_b72c9ea2-1b05-4483-aa7a-405a5c431830" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_943b3f08-07a0-47a3-a3c3-3c5aad0627d0" xlink:to="loc_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_b72c9ea2-1b05-4483-aa7a-405a5c431830" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_f568b796-48b9-4ecc-913a-50372b7bc206" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_c52a5924-2d5d-4d80-b11e-10921344081d" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_f568b796-48b9-4ecc-913a-50372b7bc206" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_c52a5924-2d5d-4d80-b11e-10921344081d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_8b3ec82c-076d-4dec-814f-43912102c55f" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_f568b796-48b9-4ecc-913a-50372b7bc206" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_8b3ec82c-076d-4dec-814f-43912102c55f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_fa7a2f2a-8780-4353-a3a9-85935b988132" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_f568b796-48b9-4ecc-913a-50372b7bc206" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_fa7a2f2a-8780-4353-a3a9-85935b988132" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_3a3da0d9-c917-48a2-8f29-748418a184ad" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_6751fec0-7533-44bf-b693-9f36f3b8e518" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NetIncomeLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_3a3da0d9-c917-48a2-8f29-748418a184ad" xlink:to="loc_us-gaap_NetIncomeLoss_6751fec0-7533-44bf-b693-9f36f3b8e518" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DepreciationDepletionAndAmortization_db65bc34-c4c7-44c8-983d-e725ff281540" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DepreciationDepletionAndAmortization"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_3a3da0d9-c917-48a2-8f29-748418a184ad" xlink:to="loc_us-gaap_DepreciationDepletionAndAmortization_db65bc34-c4c7-44c8-983d-e725ff281540" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_cdb1aa69-f18d-4b3e-9fb7-932b857319a4" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DeferredIncomeTaxExpenseBenefit"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_3a3da0d9-c917-48a2-8f29-748418a184ad" xlink:to="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_cdb1aa69-f18d-4b3e-9fb7-932b857319a4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensation_72a6f446-5805-4514-b949-a610fa7639c0" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensation"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_3a3da0d9-c917-48a2-8f29-748418a184ad" xlink:to="loc_us-gaap_ShareBasedCompensation_72a6f446-5805-4514-b949-a610fa7639c0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProvisionForDoubtfulAccounts_87ede102-5820-43d2-8489-3ebac2892a1f" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProvisionForDoubtfulAccounts"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_3a3da0d9-c917-48a2-8f29-748418a184ad" xlink:to="loc_us-gaap_ProvisionForDoubtfulAccounts_87ede102-5820-43d2-8489-3ebac2892a1f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainLossOnDispositionOfAssets_9ae199b9-0201-4105-ab1a-6cd1880d61f4" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_GainLossOnDispositionOfAssets"/>
    <link:calculationArc order="6" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_3a3da0d9-c917-48a2-8f29-748418a184ad" xlink:to="loc_us-gaap_GainLossOnDispositionOfAssets_9ae199b9-0201-4105-ab1a-6cd1880d61f4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LifeInsuranceCorporateOrBankOwnedChangeInValue_b58091b6-d39f-4c17-847c-aa8bba11b95a" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LifeInsuranceCorporateOrBankOwnedChangeInValue"/>
    <link:calculationArc order="7" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_3a3da0d9-c917-48a2-8f29-748418a184ad" xlink:to="loc_us-gaap_LifeInsuranceCorporateOrBankOwnedChangeInValue_b58091b6-d39f-4c17-847c-aa8bba11b95a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsReceivable_3441cc6d-a780-4f6b-b809-4aae4aa5d92e" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsReceivable"/>
    <link:calculationArc order="8" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_3a3da0d9-c917-48a2-8f29-748418a184ad" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsReceivable_3441cc6d-a780-4f6b-b809-4aae4aa5d92e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInInventories_9813002a-9d58-465a-8636-765d78afa6c0" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncreaseDecreaseInInventories"/>
    <link:calculationArc order="9" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_3a3da0d9-c917-48a2-8f29-748418a184ad" xlink:to="loc_us-gaap_IncreaseDecreaseInInventories_9813002a-9d58-465a-8636-765d78afa6c0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_573d4b44-0d4d-43e3-8a60-2aaf27f4d6bd" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets"/>
    <link:calculationArc order="10" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_3a3da0d9-c917-48a2-8f29-748418a184ad" xlink:to="loc_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_573d4b44-0d4d-43e3-8a60-2aaf27f4d6bd" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_4c350081-79e0-4843-96be-71f681a58dd3" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities"/>
    <link:calculationArc order="11" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_3a3da0d9-c917-48a2-8f29-748418a184ad" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_4c350081-79e0-4843-96be-71f681a58dd3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_ngs_IncreaseDecreaseInContractWithCustomerLiability_1be2e2a3-c8f0-4b6b-a762-bf844efe0111" xlink:href="ngs-20180630.xsd#ngs_IncreaseDecreaseInContractWithCustomerLiability"/>
    <link:calculationArc order="12" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_3a3da0d9-c917-48a2-8f29-748418a184ad" xlink:to="loc_ngs_IncreaseDecreaseInContractWithCustomerLiability_1be2e2a3-c8f0-4b6b-a762-bf844efe0111" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherCurrentAssets_078b6bbc-5cb6-4ab5-b92f-eb3f36f74029" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncreaseDecreaseInOtherCurrentAssets"/>
    <link:calculationArc order="13" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_3a3da0d9-c917-48a2-8f29-748418a184ad" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherCurrentAssets_078b6bbc-5cb6-4ab5-b92f-eb3f36f74029" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_6911d204-241e-428d-bbb2-7cb7db229fce" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_c5768b3d-b029-46c1-9261-c0805894be1d" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_6911d204-241e-428d-bbb2-7cb7db229fce" xlink:to="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_c5768b3d-b029-46c1-9261-c0805894be1d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_1dde2563-b06e-4245-9f6b-e3c54a68d24e" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_6911d204-241e-428d-bbb2-7cb7db229fce" xlink:to="loc_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_1dde2563-b06e-4245-9f6b-e3c54a68d24e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireLifeInsurancePolicies_1560a8cf-319b-4ea1-8c43-90e38c7a7d28" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PaymentsToAcquireLifeInsurancePolicies"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_6911d204-241e-428d-bbb2-7cb7db229fce" xlink:to="loc_us-gaap_PaymentsToAcquireLifeInsurancePolicies_1560a8cf-319b-4ea1-8c43-90e38c7a7d28" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://naturalgaservices.com/role/BasisofPresentationandSummaryofSignificantAccountingPolicies" xlink:type="simple" xlink:href="ngs-20180630.xsd#BasisofPresentationandSummaryofSignificantAccountingPolicies"/>
  <link:calculationLink xlink:role="http://naturalgaservices.com/role/BasisofPresentationandSummaryofSignificantAccountingPolicies" xlink:type="extended"/>
  <link:roleRef roleURI="http://naturalgaservices.com/role/BasisofPresentationandSummaryofSignificantAccountingPoliciesPolicies" xlink:type="simple" xlink:href="ngs-20180630.xsd#BasisofPresentationandSummaryofSignificantAccountingPoliciesPolicies"/>
  <link:calculationLink xlink:role="http://naturalgaservices.com/role/BasisofPresentationandSummaryofSignificantAccountingPoliciesPolicies" xlink:type="extended"/>
  <link:roleRef roleURI="http://naturalgaservices.com/role/BasisofPresentationandSummaryofSignificantAccountingPoliciesTables" xlink:type="simple" xlink:href="ngs-20180630.xsd#BasisofPresentationandSummaryofSignificantAccountingPoliciesTables"/>
  <link:calculationLink xlink:role="http://naturalgaservices.com/role/BasisofPresentationandSummaryofSignificantAccountingPoliciesTables" xlink:type="extended"/>
  <link:roleRef roleURI="http://naturalgaservices.com/role/BasisofPresentationandSummaryofSignificantAccountingPoliciesDetails" xlink:type="simple" xlink:href="ngs-20180630.xsd#BasisofPresentationandSummaryofSignificantAccountingPoliciesDetails"/>
  <link:calculationLink xlink:role="http://naturalgaservices.com/role/BasisofPresentationandSummaryofSignificantAccountingPoliciesDetails" xlink:type="extended"/>
  <link:roleRef roleURI="http://naturalgaservices.com/role/BasisofPresentationandSummaryofSignificantAccountingPoliciesDisaggregationofRevenueDetails" xlink:type="simple" xlink:href="ngs-20180630.xsd#BasisofPresentationandSummaryofSignificantAccountingPoliciesDisaggregationofRevenueDetails"/>
  <link:calculationLink xlink:role="http://naturalgaservices.com/role/BasisofPresentationandSummaryofSignificantAccountingPoliciesDisaggregationofRevenueDetails" xlink:type="extended"/>
  <link:roleRef roleURI="http://naturalgaservices.com/role/BasisofPresentationandSummaryofSignificantAccountingPoliciesContractBalancesDetails" xlink:type="simple" xlink:href="ngs-20180630.xsd#BasisofPresentationandSummaryofSignificantAccountingPoliciesContractBalancesDetails"/>
  <link:calculationLink xlink:role="http://naturalgaservices.com/role/BasisofPresentationandSummaryofSignificantAccountingPoliciesContractBalancesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableGrossCurrent_00bededf-88d9-45da-9504-b62f2caf84c5" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AccountsReceivableGrossCurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerAssetNetCurrent_3d0f735d-99da-478f-ab17-96e04507da74" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ContractWithCustomerAssetNetCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccountsReceivableGrossCurrent_00bededf-88d9-45da-9504-b62f2caf84c5" xlink:to="loc_us-gaap_ContractWithCustomerAssetNetCurrent_3d0f735d-99da-478f-ab17-96e04507da74" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_ngs_AccountsReceivableExcludingContractsWithCustomerAssetCurrent_3ef20829-ea40-4b16-9d08-35f4a9533f7a" xlink:href="ngs-20180630.xsd#ngs_AccountsReceivableExcludingContractsWithCustomerAssetCurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccountsReceivableGrossCurrent_00bededf-88d9-45da-9504-b62f2caf84c5" xlink:to="loc_ngs_AccountsReceivableExcludingContractsWithCustomerAssetCurrent_3ef20829-ea40-4b16-9d08-35f4a9533f7a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableNetCurrent_eff1654f-4faa-4bba-8516-9cbfe256f672" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AccountsReceivableNetCurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableGrossCurrent_17298da7-c043-4312-b410-d3bf9df809d0" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AccountsReceivableGrossCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccountsReceivableNetCurrent_eff1654f-4faa-4bba-8516-9cbfe256f672" xlink:to="loc_us-gaap_AccountsReceivableGrossCurrent_17298da7-c043-4312-b410-d3bf9df809d0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_8d2cd29c-b776-400d-9bd7-f4d39347e203" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccountsReceivableNetCurrent_eff1654f-4faa-4bba-8516-9cbfe256f672" xlink:to="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_8d2cd29c-b776-400d-9bd7-f4d39347e203" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://naturalgaservices.com/role/BasisofPresentationandSummaryofSignificantAccountingPoliciesTransactionPriceAllocatedtotheRemainingPerformanceObligationsDetails" xlink:type="simple" xlink:href="ngs-20180630.xsd#BasisofPresentationandSummaryofSignificantAccountingPoliciesTransactionPriceAllocatedtotheRemainingPerformanceObligationsDetails"/>
  <link:calculationLink xlink:role="http://naturalgaservices.com/role/BasisofPresentationandSummaryofSignificantAccountingPoliciesTransactionPriceAllocatedtotheRemainingPerformanceObligationsDetails" xlink:type="extended"/>
  <link:roleRef roleURI="http://naturalgaservices.com/role/StockBasedCompensation" xlink:type="simple" xlink:href="ngs-20180630.xsd#StockBasedCompensation"/>
  <link:calculationLink xlink:role="http://naturalgaservices.com/role/StockBasedCompensation" xlink:type="extended"/>
  <link:roleRef roleURI="http://naturalgaservices.com/role/StockBasedCompensationTables" xlink:type="simple" xlink:href="ngs-20180630.xsd#StockBasedCompensationTables"/>
  <link:calculationLink xlink:role="http://naturalgaservices.com/role/StockBasedCompensationTables" xlink:type="extended"/>
  <link:roleRef roleURI="http://naturalgaservices.com/role/StockBasedCompensationStockOptionActivityDetails" xlink:type="simple" xlink:href="ngs-20180630.xsd#StockBasedCompensationStockOptionActivityDetails"/>
  <link:calculationLink xlink:role="http://naturalgaservices.com/role/StockBasedCompensationStockOptionActivityDetails" xlink:type="extended"/>
  <link:roleRef roleURI="http://naturalgaservices.com/role/StockBasedCompensationStockOptionsOutstandingDetails" xlink:type="simple" xlink:href="ngs-20180630.xsd#StockBasedCompensationStockOptionsOutstandingDetails"/>
  <link:calculationLink xlink:role="http://naturalgaservices.com/role/StockBasedCompensationStockOptionsOutstandingDetails" xlink:type="extended"/>
  <link:roleRef roleURI="http://naturalgaservices.com/role/StockBasedCompensationSummaryofUnvestedStockOptionsDetails" xlink:type="simple" xlink:href="ngs-20180630.xsd#StockBasedCompensationSummaryofUnvestedStockOptionsDetails"/>
  <link:calculationLink xlink:role="http://naturalgaservices.com/role/StockBasedCompensationSummaryofUnvestedStockOptionsDetails" xlink:type="extended"/>
  <link:roleRef roleURI="http://naturalgaservices.com/role/StockBasedCompensationRestrictedStockDetails" xlink:type="simple" xlink:href="ngs-20180630.xsd#StockBasedCompensationRestrictedStockDetails"/>
  <link:calculationLink xlink:role="http://naturalgaservices.com/role/StockBasedCompensationRestrictedStockDetails" xlink:type="extended"/>
  <link:roleRef roleURI="http://naturalgaservices.com/role/Inventory" xlink:type="simple" xlink:href="ngs-20180630.xsd#Inventory"/>
  <link:calculationLink xlink:role="http://naturalgaservices.com/role/Inventory" xlink:type="extended"/>
  <link:roleRef roleURI="http://naturalgaservices.com/role/InventoryTables" xlink:type="simple" xlink:href="ngs-20180630.xsd#InventoryTables"/>
  <link:calculationLink xlink:role="http://naturalgaservices.com/role/InventoryTables" xlink:type="extended"/>
  <link:roleRef roleURI="http://naturalgaservices.com/role/InventoryDetails" xlink:type="simple" xlink:href="ngs-20180630.xsd#InventoryDetails"/>
  <link:calculationLink xlink:role="http://naturalgaservices.com/role/InventoryDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_ngs_InventoryCurrentAndNoncurrentNet_93f58e11-74e5-4c59-a0f4-ae1717a1f47c" xlink:href="ngs-20180630.xsd#ngs_InventoryCurrentAndNoncurrentNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_ngs_InventoryCurrentRawMaterialsNetofReserves_37671dbd-96db-4a23-ab85-c74bac2285c1" xlink:href="ngs-20180630.xsd#ngs_InventoryCurrentRawMaterialsNetofReserves"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_ngs_InventoryCurrentAndNoncurrentNet_93f58e11-74e5-4c59-a0f4-ae1717a1f47c" xlink:to="loc_ngs_InventoryCurrentRawMaterialsNetofReserves_37671dbd-96db-4a23-ab85-c74bac2285c1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_ngs_InventoryNoncurrentRawMaterialsNetofReserves_3761b757-bb6a-4d08-9e31-4e6b4e01315f" xlink:href="ngs-20180630.xsd#ngs_InventoryNoncurrentRawMaterialsNetofReserves"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_ngs_InventoryCurrentAndNoncurrentNet_93f58e11-74e5-4c59-a0f4-ae1717a1f47c" xlink:to="loc_ngs_InventoryNoncurrentRawMaterialsNetofReserves_3761b757-bb6a-4d08-9e31-4e6b4e01315f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryFinishedGoodsNetOfReserves_a4b39fff-fe3a-4c5b-b801-1ae031271248" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InventoryFinishedGoodsNetOfReserves"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_ngs_InventoryCurrentAndNoncurrentNet_93f58e11-74e5-4c59-a0f4-ae1717a1f47c" xlink:to="loc_us-gaap_InventoryFinishedGoodsNetOfReserves_a4b39fff-fe3a-4c5b-b801-1ae031271248" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryWorkInProcessNetOfReserves_38cd14a2-0278-4029-af6b-cf458691d6b6" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InventoryWorkInProcessNetOfReserves"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_ngs_InventoryCurrentAndNoncurrentNet_93f58e11-74e5-4c59-a0f4-ae1717a1f47c" xlink:to="loc_us-gaap_InventoryWorkInProcessNetOfReserves_38cd14a2-0278-4029-af6b-cf458691d6b6" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://naturalgaservices.com/role/DeferredCompensationPlans" xlink:type="simple" xlink:href="ngs-20180630.xsd#DeferredCompensationPlans"/>
  <link:calculationLink xlink:role="http://naturalgaservices.com/role/DeferredCompensationPlans" xlink:type="extended"/>
  <link:roleRef roleURI="http://naturalgaservices.com/role/DeferredCompensationPlansDetails" xlink:type="simple" xlink:href="ngs-20180630.xsd#DeferredCompensationPlansDetails"/>
  <link:calculationLink xlink:role="http://naturalgaservices.com/role/DeferredCompensationPlansDetails" xlink:type="extended"/>
  <link:roleRef roleURI="http://naturalgaservices.com/role/CreditFacility" xlink:type="simple" xlink:href="ngs-20180630.xsd#CreditFacility"/>
  <link:calculationLink xlink:role="http://naturalgaservices.com/role/CreditFacility" xlink:type="extended"/>
  <link:roleRef roleURI="http://naturalgaservices.com/role/CreditFacilityDetails" xlink:type="simple" xlink:href="ngs-20180630.xsd#CreditFacilityDetails"/>
  <link:calculationLink xlink:role="http://naturalgaservices.com/role/CreditFacilityDetails" xlink:type="extended"/>
  <link:roleRef roleURI="http://naturalgaservices.com/role/EarningsperShare" xlink:type="simple" xlink:href="ngs-20180630.xsd#EarningsperShare"/>
  <link:calculationLink xlink:role="http://naturalgaservices.com/role/EarningsperShare" xlink:type="extended"/>
  <link:roleRef roleURI="http://naturalgaservices.com/role/EarningsperShareTables" xlink:type="simple" xlink:href="ngs-20180630.xsd#EarningsperShareTables"/>
  <link:calculationLink xlink:role="http://naturalgaservices.com/role/EarningsperShareTables" xlink:type="extended"/>
  <link:roleRef roleURI="http://naturalgaservices.com/role/EarningsperShareBasicandDilutedDetails" xlink:type="simple" xlink:href="ngs-20180630.xsd#EarningsperShareBasicandDilutedDetails"/>
  <link:calculationLink xlink:role="http://naturalgaservices.com/role/EarningsperShareBasicandDilutedDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_39cbcd71-390f-4851-b863-00d30102d0d6" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_2bf7982c-c35f-4d60-95fb-1459df3b5ea7" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_39cbcd71-390f-4851-b863-00d30102d0d6" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_2bf7982c-c35f-4d60-95fb-1459df3b5ea7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_5a7a84b7-c03b-41c2-90b4-166272664c97" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_39cbcd71-390f-4851-b863-00d30102d0d6" xlink:to="loc_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_5a7a84b7-c03b-41c2-90b4-166272664c97" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://naturalgaservices.com/role/SegmentInformation" xlink:type="simple" xlink:href="ngs-20180630.xsd#SegmentInformation"/>
  <link:calculationLink xlink:role="http://naturalgaservices.com/role/SegmentInformation" xlink:type="extended"/>
  <link:roleRef roleURI="http://naturalgaservices.com/role/SegmentInformationTables" xlink:type="simple" xlink:href="ngs-20180630.xsd#SegmentInformationTables"/>
  <link:calculationLink xlink:role="http://naturalgaservices.com/role/SegmentInformationTables" xlink:type="extended"/>
  <link:roleRef roleURI="http://naturalgaservices.com/role/SegmentInformationDetails" xlink:type="simple" xlink:href="ngs-20180630.xsd#SegmentInformationDetails"/>
  <link:calculationLink xlink:role="http://naturalgaservices.com/role/SegmentInformationDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_8b598c2f-a045-408a-8e9c-435165cc2d93" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Revenues_35bd17d6-d4f2-431f-b0ed-298bf3cb3553" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_Revenues"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_8b598c2f-a045-408a-8e9c-435165cc2d93" xlink:to="loc_us-gaap_Revenues_35bd17d6-d4f2-431f-b0ed-298bf3cb3553" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NonoperatingIncomeExpense_afd3ded7-3472-4315-831f-0dcdf2600655" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NonoperatingIncomeExpense"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_8b598c2f-a045-408a-8e9c-435165cc2d93" xlink:to="loc_us-gaap_NonoperatingIncomeExpense_afd3ded7-3472-4315-831f-0dcdf2600655" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostsAndExpenses_d0c1da99-08e5-433a-8fd5-ffe36c30601d" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CostsAndExpenses"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_8b598c2f-a045-408a-8e9c-435165cc2d93" xlink:to="loc_us-gaap_CostsAndExpenses_d0c1da99-08e5-433a-8fd5-ffe36c30601d" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://naturalgaservices.com/role/CommitmentsandContingencies" xlink:type="simple" xlink:href="ngs-20180630.xsd#CommitmentsandContingencies"/>
  <link:calculationLink xlink:role="http://naturalgaservices.com/role/CommitmentsandContingencies" xlink:type="extended"/>
  <link:roleRef roleURI="http://naturalgaservices.com/role/CommitmentsandContingenciesDetails" xlink:type="simple" xlink:href="ngs-20180630.xsd#CommitmentsandContingenciesDetails"/>
  <link:calculationLink xlink:role="http://naturalgaservices.com/role/CommitmentsandContingenciesDetails" xlink:type="extended"/>
</link:linkbase>
</XBRL>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-101.DEF
<SEQUENCE>8
<FILENAME>ngs-20180630_def.xml
<DESCRIPTION>XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT
<TEXT>
<XBRL>
<?xml version="1.0" encoding="UTF-8"?>

<!--XBRL Document Created with Wdesk from Workiva-->
<!--Copyright 2017 Workiva-->
<!--r:099b662c-2119-4203-8f6b-49ac0226745a,g:9b7f8944-7e58-44f0-88c3-cc8518166311-->
<link:linkbase xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/all" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#all"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#hypercube-dimension"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-default"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-domain"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/domain-member" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#domain-member"/>
  <link:roleRef roleURI="http://naturalgaservices.com/role/DocumentandEntityInformation" xlink:type="simple" xlink:href="ngs-20180630.xsd#DocumentandEntityInformation"/>
  <link:definitionLink xlink:role="http://naturalgaservices.com/role/DocumentandEntityInformation" xlink:type="extended" id="ib275ebe7227844f98f6f921ec7d292d7_968abb71-d5f7-4b55-974b-1e18d5af3dc7"/>
  <link:roleRef roleURI="http://naturalgaservices.com/role/CondensedConsolidatedBalanceSheetsUnaudited" xlink:type="simple" xlink:href="ngs-20180630.xsd#CondensedConsolidatedBalanceSheetsUnaudited"/>
  <link:definitionLink xlink:role="http://naturalgaservices.com/role/CondensedConsolidatedBalanceSheetsUnaudited" xlink:type="extended" id="i476242a4bcc74380a6b5edd7cbd14a16_616d3af3-8ba1-4ed3-897c-cf4250d12810"/>
  <link:roleRef roleURI="http://naturalgaservices.com/role/CondensedConsolidatedBalanceSheetsUnauditedParentheticals" xlink:type="simple" xlink:href="ngs-20180630.xsd#CondensedConsolidatedBalanceSheetsUnauditedParentheticals"/>
  <link:definitionLink xlink:role="http://naturalgaservices.com/role/CondensedConsolidatedBalanceSheetsUnauditedParentheticals" xlink:type="extended" id="i2df411ecf0c24caab9d782a786bd51bc_ac84c8d9-3661-492f-bae7-afe33d1fe8b7"/>
  <link:roleRef roleURI="http://naturalgaservices.com/role/CondensedConsolidatedIncomeStatementsUnaudited" xlink:type="simple" xlink:href="ngs-20180630.xsd#CondensedConsolidatedIncomeStatementsUnaudited"/>
  <link:definitionLink xlink:role="http://naturalgaservices.com/role/CondensedConsolidatedIncomeStatementsUnaudited" xlink:type="extended" id="i1384abf55ac541f0a46fed2e2728431e_223e5d35-fc1b-48f5-9a08-56f4b7605d4a">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementLineItems_eff0df03-fe91-40a7-9203-cbb312e84cf2" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StatementLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementTable_5c407a8b-4c91-471e-9305-3c3116b298d3" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StatementTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_eff0df03-fe91-40a7-9203-cbb312e84cf2" xlink:to="loc_us-gaap_StatementTable_5c407a8b-4c91-471e-9305-3c3116b298d3" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProductOrServiceAxis_616ae575-f72e-44ad-82b2-0507e37a913c" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProductOrServiceAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_5c407a8b-4c91-471e-9305-3c3116b298d3" xlink:to="loc_us-gaap_ProductOrServiceAxis_616ae575-f72e-44ad-82b2-0507e37a913c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProductsAndServicesDomain_3f37ff59-c28f-4671-95b6-cf97c9e19673_default" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ProductOrServiceAxis_616ae575-f72e-44ad-82b2-0507e37a913c" xlink:to="loc_us-gaap_ProductsAndServicesDomain_3f37ff59-c28f-4671-95b6-cf97c9e19673_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProductsAndServicesDomain_3f37ff59-c28f-4671-95b6-cf97c9e19673" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ProductOrServiceAxis_616ae575-f72e-44ad-82b2-0507e37a913c" xlink:to="loc_us-gaap_ProductsAndServicesDomain_3f37ff59-c28f-4671-95b6-cf97c9e19673" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_ngs_RentalMember_68a2d2e2-e696-49c5-b915-bf93bd52c472" xlink:href="ngs-20180630.xsd#ngs_RentalMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ProductsAndServicesDomain_3f37ff59-c28f-4671-95b6-cf97c9e19673" xlink:to="loc_ngs_RentalMember_68a2d2e2-e696-49c5-b915-bf93bd52c472" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_ngs_ProductSalesMember_ebe156b7-cb44-44ff-b278-3d493ce1ca66" xlink:href="ngs-20180630.xsd#ngs_ProductSalesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ProductsAndServicesDomain_3f37ff59-c28f-4671-95b6-cf97c9e19673" xlink:to="loc_ngs_ProductSalesMember_ebe156b7-cb44-44ff-b278-3d493ce1ca66" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_ngs_ServiceandMaintenanceMember_ecaaf797-3c85-4881-9dc8-8a7f526ad777" xlink:href="ngs-20180630.xsd#ngs_ServiceandMaintenanceMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ProductsAndServicesDomain_3f37ff59-c28f-4671-95b6-cf97c9e19673" xlink:to="loc_ngs_ServiceandMaintenanceMember_ecaaf797-3c85-4881-9dc8-8a7f526ad777" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SalesRevenueNetAbstract_73225d48-8f28-4b46-8460-3834a9abfc02" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SalesRevenueNetAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_eff0df03-fe91-40a7-9203-cbb312e84cf2" xlink:to="loc_us-gaap_SalesRevenueNetAbstract_73225d48-8f28-4b46-8460-3834a9abfc02" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Revenues_4261cb56-86dd-4837-b8e7-a81ca904ade5" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_Revenues"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SalesRevenueNetAbstract_73225d48-8f28-4b46-8460-3834a9abfc02" xlink:to="loc_us-gaap_Revenues_4261cb56-86dd-4837-b8e7-a81ca904ade5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostsAndExpensesAbstract_ac736f12-fd7f-41c0-b6c8-937e8929acc9" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CostsAndExpensesAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_eff0df03-fe91-40a7-9203-cbb312e84cf2" xlink:to="loc_us-gaap_CostsAndExpensesAbstract_ac736f12-fd7f-41c0-b6c8-937e8929acc9" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DirectCostsOfLeasedAndRentedPropertyOrEquipment_8e89a018-b3bf-445f-9142-3c2aa09e31a3" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DirectCostsOfLeasedAndRentedPropertyOrEquipment"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CostsAndExpensesAbstract_ac736f12-fd7f-41c0-b6c8-937e8929acc9" xlink:to="loc_us-gaap_DirectCostsOfLeasedAndRentedPropertyOrEquipment_8e89a018-b3bf-445f-9142-3c2aa09e31a3" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherCostOfOperatingRevenue_8fedd52a-933f-4ad7-a555-8443681af7ee" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherCostOfOperatingRevenue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CostsAndExpensesAbstract_ac736f12-fd7f-41c0-b6c8-937e8929acc9" xlink:to="loc_us-gaap_OtherCostOfOperatingRevenue_8fedd52a-933f-4ad7-a555-8443681af7ee" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherCostOfServices_aa83b796-023e-40f4-9cf8-bd0a1bf5f330" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherCostOfServices"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CostsAndExpensesAbstract_ac736f12-fd7f-41c0-b6c8-937e8929acc9" xlink:to="loc_us-gaap_OtherCostOfServices_aa83b796-023e-40f4-9cf8-bd0a1bf5f330" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SellingGeneralAndAdministrativeExpense_1d50b09b-7dd6-40db-a6d6-67e9572a9559" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SellingGeneralAndAdministrativeExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CostsAndExpensesAbstract_ac736f12-fd7f-41c0-b6c8-937e8929acc9" xlink:to="loc_us-gaap_SellingGeneralAndAdministrativeExpense_1d50b09b-7dd6-40db-a6d6-67e9572a9559" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DepreciationDepletionAndAmortization_aaf52154-eef2-4ad1-ba6f-44a7af75a26e" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DepreciationDepletionAndAmortization"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CostsAndExpensesAbstract_ac736f12-fd7f-41c0-b6c8-937e8929acc9" xlink:to="loc_us-gaap_DepreciationDepletionAndAmortization_aaf52154-eef2-4ad1-ba6f-44a7af75a26e" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostsAndExpenses_d8ec0fa3-d572-400e-8dc3-8bed018a3995" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CostsAndExpenses"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CostsAndExpensesAbstract_ac736f12-fd7f-41c0-b6c8-937e8929acc9" xlink:to="loc_us-gaap_CostsAndExpenses_d8ec0fa3-d572-400e-8dc3-8bed018a3995" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_462f303e-f95a-4fff-8b25-e059eee9703b" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OperatingIncomeLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_eff0df03-fe91-40a7-9203-cbb312e84cf2" xlink:to="loc_us-gaap_OperatingIncomeLoss_462f303e-f95a-4fff-8b25-e059eee9703b" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NonoperatingIncomeExpenseAbstract_7ea91318-a3ce-43cb-a07c-27031d1053d2" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NonoperatingIncomeExpenseAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_eff0df03-fe91-40a7-9203-cbb312e84cf2" xlink:to="loc_us-gaap_NonoperatingIncomeExpenseAbstract_7ea91318-a3ce-43cb-a07c-27031d1053d2" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestExpense_597d7b5b-6ccc-45e7-ae32-effadbc59cda" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InterestExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NonoperatingIncomeExpenseAbstract_7ea91318-a3ce-43cb-a07c-27031d1053d2" xlink:to="loc_us-gaap_InterestExpense_597d7b5b-6ccc-45e7-ae32-effadbc59cda" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNonoperatingIncomeExpense_bab37722-b4a9-496d-b104-ca77e1c2a52e" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherNonoperatingIncomeExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NonoperatingIncomeExpenseAbstract_7ea91318-a3ce-43cb-a07c-27031d1053d2" xlink:to="loc_us-gaap_OtherNonoperatingIncomeExpense_bab37722-b4a9-496d-b104-ca77e1c2a52e" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NonoperatingIncomeExpense_26728967-3685-4e6a-8048-f7a3e9eb5975" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NonoperatingIncomeExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NonoperatingIncomeExpenseAbstract_7ea91318-a3ce-43cb-a07c-27031d1053d2" xlink:to="loc_us-gaap_NonoperatingIncomeExpense_26728967-3685-4e6a-8048-f7a3e9eb5975" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_22636a64-3ef8-467d-b553-5dd73526f3ee" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_eff0df03-fe91-40a7-9203-cbb312e84cf2" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_22636a64-3ef8-467d-b553-5dd73526f3ee" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_58aa07eb-2e44-40f4-9281-ce680da0b3d5" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_eff0df03-fe91-40a7-9203-cbb312e84cf2" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_58aa07eb-2e44-40f4-9281-ce680da0b3d5" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_697556f8-fe33-4a76-9047-24e09cd326d3" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NetIncomeLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_eff0df03-fe91-40a7-9203-cbb312e84cf2" xlink:to="loc_us-gaap_NetIncomeLoss_697556f8-fe33-4a76-9047-24e09cd326d3" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareAbstract_982e8f32-2d41-47e6-8637-b3344d1df64a" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EarningsPerShareAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_eff0df03-fe91-40a7-9203-cbb312e84cf2" xlink:to="loc_us-gaap_EarningsPerShareAbstract_982e8f32-2d41-47e6-8637-b3344d1df64a" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareBasic_9ba2fe14-a376-4d0d-9c01-2b54359af06b" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EarningsPerShareBasic"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EarningsPerShareAbstract_982e8f32-2d41-47e6-8637-b3344d1df64a" xlink:to="loc_us-gaap_EarningsPerShareBasic_9ba2fe14-a376-4d0d-9c01-2b54359af06b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareDiluted_2187fdbf-13c7-48ed-90be-a694cac32bfb" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EarningsPerShareDiluted"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EarningsPerShareAbstract_982e8f32-2d41-47e6-8637-b3344d1df64a" xlink:to="loc_us-gaap_EarningsPerShareDiluted_2187fdbf-13c7-48ed-90be-a694cac32bfb" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_ngs_WeightedAverageSharesOutstandingBasicAndDilutedAbstract_f996f702-4dd7-4935-96c4-a06393851ffb" xlink:href="ngs-20180630.xsd#ngs_WeightedAverageSharesOutstandingBasicAndDilutedAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_eff0df03-fe91-40a7-9203-cbb312e84cf2" xlink:to="loc_ngs_WeightedAverageSharesOutstandingBasicAndDilutedAbstract_f996f702-4dd7-4935-96c4-a06393851ffb" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_9b67724d-df09-4bed-bfc7-712598ccca4a" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ngs_WeightedAverageSharesOutstandingBasicAndDilutedAbstract_f996f702-4dd7-4935-96c4-a06393851ffb" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_9b67724d-df09-4bed-bfc7-712598ccca4a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_0aa363cb-dacf-471e-8784-39d1e1ebbc99" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ngs_WeightedAverageSharesOutstandingBasicAndDilutedAbstract_f996f702-4dd7-4935-96c4-a06393851ffb" xlink:to="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_0aa363cb-dacf-471e-8784-39d1e1ebbc99" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://naturalgaservices.com/role/CondensedConsolidatedStatementsofCashFlowsUnaudited" xlink:type="simple" xlink:href="ngs-20180630.xsd#CondensedConsolidatedStatementsofCashFlowsUnaudited"/>
  <link:definitionLink xlink:role="http://naturalgaservices.com/role/CondensedConsolidatedStatementsofCashFlowsUnaudited" xlink:type="extended" id="i43846e76e73f49f08b32acfd12a5caaf_a0771c86-6371-4eb7-a0df-ea2cfc7cae78"/>
  <link:roleRef roleURI="http://naturalgaservices.com/role/BasisofPresentationandSummaryofSignificantAccountingPolicies" xlink:type="simple" xlink:href="ngs-20180630.xsd#BasisofPresentationandSummaryofSignificantAccountingPolicies"/>
  <link:definitionLink xlink:role="http://naturalgaservices.com/role/BasisofPresentationandSummaryofSignificantAccountingPolicies" xlink:type="extended" id="i1361dba64ac64225bdaaa96338ade99a_7303709d-1673-41aa-8913-2c25bd5cf5dd"/>
  <link:roleRef roleURI="http://naturalgaservices.com/role/BasisofPresentationandSummaryofSignificantAccountingPoliciesPolicies" xlink:type="simple" xlink:href="ngs-20180630.xsd#BasisofPresentationandSummaryofSignificantAccountingPoliciesPolicies"/>
  <link:definitionLink xlink:role="http://naturalgaservices.com/role/BasisofPresentationandSummaryofSignificantAccountingPoliciesPolicies" xlink:type="extended" id="i80dbe5ce658e479e946bd02e66f76a32_49877fe4-138c-43ad-8829-bd00d74db55f"/>
  <link:roleRef roleURI="http://naturalgaservices.com/role/BasisofPresentationandSummaryofSignificantAccountingPoliciesTables" xlink:type="simple" xlink:href="ngs-20180630.xsd#BasisofPresentationandSummaryofSignificantAccountingPoliciesTables"/>
  <link:definitionLink xlink:role="http://naturalgaservices.com/role/BasisofPresentationandSummaryofSignificantAccountingPoliciesTables" xlink:type="extended" id="iccf742228da5449cbe58b1ddeb408f1b_cd974332-de03-47ed-a671-bb0c22c5eeb9"/>
  <link:roleRef roleURI="http://naturalgaservices.com/role/BasisofPresentationandSummaryofSignificantAccountingPoliciesDetails" xlink:type="simple" xlink:href="ngs-20180630.xsd#BasisofPresentationandSummaryofSignificantAccountingPoliciesDetails"/>
  <link:definitionLink xlink:role="http://naturalgaservices.com/role/BasisofPresentationandSummaryofSignificantAccountingPoliciesDetails" xlink:type="extended" id="ie1380a78b5f54bbdac361aa469784098_4caddcaa-4c0c-464b-8c92-8adbd842b88b">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EntityWideInformationRevenueFromExternalCustomerLineItems_16bf82ef-6be4-4b00-8884-2cfda3975491" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EntityWideInformationRevenueFromExternalCustomerLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTable_c41d3402-2557-4307-b11b-f8d9941e12b0" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_EntityWideInformationRevenueFromExternalCustomerLineItems_16bf82ef-6be4-4b00-8884-2cfda3975491" xlink:to="loc_us-gaap_ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTable_c41d3402-2557-4307-b11b-f8d9941e12b0" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TypeOfArrangementAxis_2d9de175-9d11-4587-b470-a02107b10bd5" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_TypeOfArrangementAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTable_c41d3402-2557-4307-b11b-f8d9941e12b0" xlink:to="loc_us-gaap_TypeOfArrangementAxis_2d9de175-9d11-4587-b470-a02107b10bd5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ArrangementsAndNonarrangementTransactionsMember_1f28eda2-6821-4ad1-b156-b48b97030892_default" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ArrangementsAndNonarrangementTransactionsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_TypeOfArrangementAxis_2d9de175-9d11-4587-b470-a02107b10bd5" xlink:to="loc_us-gaap_ArrangementsAndNonarrangementTransactionsMember_1f28eda2-6821-4ad1-b156-b48b97030892_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ArrangementsAndNonarrangementTransactionsMember_1f28eda2-6821-4ad1-b156-b48b97030892" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ArrangementsAndNonarrangementTransactionsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_TypeOfArrangementAxis_2d9de175-9d11-4587-b470-a02107b10bd5" xlink:to="loc_us-gaap_ArrangementsAndNonarrangementTransactionsMember_1f28eda2-6821-4ad1-b156-b48b97030892" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_ngs_BillandHoldArrangementMember_190cd6e3-209c-43d5-be71-1f1337eb11d6" xlink:href="ngs-20180630.xsd#ngs_BillandHoldArrangementMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ArrangementsAndNonarrangementTransactionsMember_1f28eda2-6821-4ad1-b156-b48b97030892" xlink:to="loc_ngs_BillandHoldArrangementMember_190cd6e3-209c-43d5-be71-1f1337eb11d6" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Revenues_c3eaa914-2700-4aec-8d08-a995f3718a1f" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_Revenues"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EntityWideInformationRevenueFromExternalCustomerLineItems_16bf82ef-6be4-4b00-8884-2cfda3975491" xlink:to="loc_us-gaap_Revenues_c3eaa914-2700-4aec-8d08-a995f3718a1f" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://naturalgaservices.com/role/BasisofPresentationandSummaryofSignificantAccountingPoliciesDisaggregationofRevenueDetails" xlink:type="simple" xlink:href="ngs-20180630.xsd#BasisofPresentationandSummaryofSignificantAccountingPoliciesDisaggregationofRevenueDetails"/>
  <link:definitionLink xlink:role="http://naturalgaservices.com/role/BasisofPresentationandSummaryofSignificantAccountingPoliciesDisaggregationofRevenueDetails" xlink:type="extended" id="ic29426b3e39c469b9db74c2b5d6e9d14_40ba9ae4-6514-459f-b5fe-1233953c5569">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisaggregationOfRevenueLineItems_5908fa56-9b74-4a95-9440-06d473313a2c" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DisaggregationOfRevenueLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisaggregationOfRevenueTable_b69555eb-0da8-4352-982b-83a383aeffef" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DisaggregationOfRevenueTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_5908fa56-9b74-4a95-9440-06d473313a2c" xlink:to="loc_us-gaap_DisaggregationOfRevenueTable_b69555eb-0da8-4352-982b-83a383aeffef" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProductOrServiceAxis_64bbe697-4764-4696-97ab-cdb6284b3cdb" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProductOrServiceAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_b69555eb-0da8-4352-982b-83a383aeffef" xlink:to="loc_us-gaap_ProductOrServiceAxis_64bbe697-4764-4696-97ab-cdb6284b3cdb" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProductsAndServicesDomain_d7ac6b9b-a24e-40e4-828d-4ac63f961cb8_default" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ProductOrServiceAxis_64bbe697-4764-4696-97ab-cdb6284b3cdb" xlink:to="loc_us-gaap_ProductsAndServicesDomain_d7ac6b9b-a24e-40e4-828d-4ac63f961cb8_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProductsAndServicesDomain_d7ac6b9b-a24e-40e4-828d-4ac63f961cb8" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ProductOrServiceAxis_64bbe697-4764-4696-97ab-cdb6284b3cdb" xlink:to="loc_us-gaap_ProductsAndServicesDomain_d7ac6b9b-a24e-40e4-828d-4ac63f961cb8" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_ngs_CompressorRelatedMember_ba24c71c-274a-4d04-9573-239746ea8094" xlink:href="ngs-20180630.xsd#ngs_CompressorRelatedMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ProductsAndServicesDomain_d7ac6b9b-a24e-40e4-828d-4ac63f961cb8" xlink:to="loc_ngs_CompressorRelatedMember_ba24c71c-274a-4d04-9573-239746ea8094" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_ngs_FlaresRelatedMember_538339e6-25a2-4a8a-8cfa-b9d8e2d6b353" xlink:href="ngs-20180630.xsd#ngs_FlaresRelatedMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ProductsAndServicesDomain_d7ac6b9b-a24e-40e4-828d-4ac63f961cb8" xlink:to="loc_ngs_FlaresRelatedMember_538339e6-25a2-4a8a-8cfa-b9d8e2d6b353" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_ngs_OtherPartsRebuildsMember_61e86a5e-1807-43fe-a2f4-d7fd70315e52" xlink:href="ngs-20180630.xsd#ngs_OtherPartsRebuildsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ProductsAndServicesDomain_d7ac6b9b-a24e-40e4-828d-4ac63f961cb8" xlink:to="loc_ngs_OtherPartsRebuildsMember_61e86a5e-1807-43fe-a2f4-d7fd70315e52" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_ngs_ServiceandMaintenanceMember_04eeb52e-7c5d-4d7d-87f8-c6955bc62738" xlink:href="ngs-20180630.xsd#ngs_ServiceandMaintenanceMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ProductsAndServicesDomain_d7ac6b9b-a24e-40e4-828d-4ac63f961cb8" xlink:to="loc_ngs_ServiceandMaintenanceMember_04eeb52e-7c5d-4d7d-87f8-c6955bc62738" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_6436034d-26c3-4e90-bd99-9bf293d3c07c" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_5908fa56-9b74-4a95-9440-06d473313a2c" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_6436034d-26c3-4e90-bd99-9bf293d3c07c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RentalIncomeNonoperating_eebdbf7a-a2cf-40dc-a20e-bca2ab5e60d6" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RentalIncomeNonoperating"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_5908fa56-9b74-4a95-9440-06d473313a2c" xlink:to="loc_us-gaap_RentalIncomeNonoperating_eebdbf7a-a2cf-40dc-a20e-bca2ab5e60d6" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Revenues_cd2d1eba-8ca4-4ba5-b01f-61a950b55dc8" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_Revenues"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_5908fa56-9b74-4a95-9440-06d473313a2c" xlink:to="loc_us-gaap_Revenues_cd2d1eba-8ca4-4ba5-b01f-61a950b55dc8" xlink:type="arc" order="3"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://naturalgaservices.com/role/BasisofPresentationandSummaryofSignificantAccountingPoliciesContractBalancesDetails" xlink:type="simple" xlink:href="ngs-20180630.xsd#BasisofPresentationandSummaryofSignificantAccountingPoliciesContractBalancesDetails"/>
  <link:definitionLink xlink:role="http://naturalgaservices.com/role/BasisofPresentationandSummaryofSignificantAccountingPoliciesContractBalancesDetails" xlink:type="extended" id="i7672d96b6c934a899a0a9e764e13a053_7137eb54-c078-43d8-91f6-c648abc42158"/>
  <link:roleRef roleURI="http://naturalgaservices.com/role/BasisofPresentationandSummaryofSignificantAccountingPoliciesTransactionPriceAllocatedtotheRemainingPerformanceObligationsDetails" xlink:type="simple" xlink:href="ngs-20180630.xsd#BasisofPresentationandSummaryofSignificantAccountingPoliciesTransactionPriceAllocatedtotheRemainingPerformanceObligationsDetails"/>
  <link:definitionLink xlink:role="http://naturalgaservices.com/role/BasisofPresentationandSummaryofSignificantAccountingPoliciesTransactionPriceAllocatedtotheRemainingPerformanceObligationsDetails" xlink:type="extended" id="id749e137820b4f368a4df44ac3a24b44_2234576b-5e2a-41c0-bc01-a22181a09988">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems_29d3c24b-2f61-4db1-a668-d59f763f75a4" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable_aac85455-e1c9-4a33-b52d-341b5f13d134" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems_29d3c24b-2f61-4db1-a668-d59f763f75a4" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable_aac85455-e1c9-4a33-b52d-341b5f13d134" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis_8e4e46fb-69f7-4da9-8d0f-63fdb86a372e" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable_aac85455-e1c9-4a33-b52d-341b5f13d134" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis_8e4e46fb-69f7-4da9-8d0f-63fdb86a372e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligation_e05bd8ef-edf2-4686-9932-9f66e9986e3d" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RevenueRemainingPerformanceObligation"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems_29d3c24b-2f61-4db1-a668-d59f763f75a4" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligation_e05bd8ef-edf2-4686-9932-9f66e9986e3d" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://naturalgaservices.com/role/StockBasedCompensation" xlink:type="simple" xlink:href="ngs-20180630.xsd#StockBasedCompensation"/>
  <link:definitionLink xlink:role="http://naturalgaservices.com/role/StockBasedCompensation" xlink:type="extended" id="i70c5862c09eb4ffb985ca3cf59352bc9_f0c65c2a-97f2-4eba-a7fa-4a65c0d651cb"/>
  <link:roleRef roleURI="http://naturalgaservices.com/role/StockBasedCompensationTables" xlink:type="simple" xlink:href="ngs-20180630.xsd#StockBasedCompensationTables"/>
  <link:definitionLink xlink:role="http://naturalgaservices.com/role/StockBasedCompensationTables" xlink:type="extended" id="i6fb91a264e594470926eaf79f130915a_d4d537ee-5550-481c-9a21-d3fe60a6bbe5"/>
  <link:roleRef roleURI="http://naturalgaservices.com/role/StockBasedCompensationStockOptionActivityDetails" xlink:type="simple" xlink:href="ngs-20180630.xsd#StockBasedCompensationStockOptionActivityDetails"/>
  <link:definitionLink xlink:role="http://naturalgaservices.com/role/StockBasedCompensationStockOptionActivityDetails" xlink:type="extended" id="i269eccb51c2e4a48832c4d6b5f6d43d0_1b5b8a03-7b24-48c2-a3fa-43617922ff77"/>
  <link:roleRef roleURI="http://naturalgaservices.com/role/StockBasedCompensationStockOptionsOutstandingDetails" xlink:type="simple" xlink:href="ngs-20180630.xsd#StockBasedCompensationStockOptionsOutstandingDetails"/>
  <link:definitionLink xlink:role="http://naturalgaservices.com/role/StockBasedCompensationStockOptionsOutstandingDetails" xlink:type="extended" id="i24f62ccca08e45f48dffa0bc9474275e_0ac42622-405c-4f29-93e7-a46382e3cb99">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLineItems_e6d94ad2-e05a-4c62-9b5c-6855d3e928de" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeTable_0ce059ce-0ba7-41c2-90bd-3dea713e8199" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLineItems_e6d94ad2-e05a-4c62-9b5c-6855d3e928de" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeTable_0ce059ce-0ba7-41c2-90bd-3dea713e8199" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis_bfc59abc-a47f-456d-b63d-39b58f189e1d" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeTable_0ce059ce-0ba7-41c2-90bd-3dea713e8199" xlink:to="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis_bfc59abc-a47f-456d-b63d-39b58f189e1d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain_419f7073-a9cd-4a0e-8b6c-9f13c9bfa7fa_default" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis_bfc59abc-a47f-456d-b63d-39b58f189e1d" xlink:to="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain_419f7073-a9cd-4a0e-8b6c-9f13c9bfa7fa_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain_419f7073-a9cd-4a0e-8b6c-9f13c9bfa7fa" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis_bfc59abc-a47f-456d-b63d-39b58f189e1d" xlink:to="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain_419f7073-a9cd-4a0e-8b6c-9f13c9bfa7fa" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_ngs_RangeOneMember_f65f420f-2043-4105-b3f3-2e98a31dc278" xlink:href="ngs-20180630.xsd#ngs_RangeOneMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain_419f7073-a9cd-4a0e-8b6c-9f13c9bfa7fa" xlink:to="loc_ngs_RangeOneMember_f65f420f-2043-4105-b3f3-2e98a31dc278" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_ngs_RangeTwoMember_8b54194c-9638-4c4b-ac18-e870bc67204d" xlink:href="ngs-20180630.xsd#ngs_RangeTwoMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain_419f7073-a9cd-4a0e-8b6c-9f13c9bfa7fa" xlink:to="loc_ngs_RangeTwoMember_8b54194c-9638-4c4b-ac18-e870bc67204d" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_ngs_RangeThreeMember_e61185ab-49d3-4077-a4c4-23616c9218ec" xlink:href="ngs-20180630.xsd#ngs_RangeThreeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain_419f7073-a9cd-4a0e-8b6c-9f13c9bfa7fa" xlink:to="loc_ngs_RangeThreeMember_e61185ab-49d3-4077-a4c4-23616c9218ec" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_ngs_RangeFourMember_4f6c4a24-a2ed-49f3-a6e3-99b6e8478eec" xlink:href="ngs-20180630.xsd#ngs_RangeFourMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain_419f7073-a9cd-4a0e-8b6c-9f13c9bfa7fa" xlink:to="loc_ngs_RangeFourMember_4f6c4a24-a2ed-49f3-a6e3-99b6e8478eec" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit_aacd391c-6a32-4343-9b39-3cca587a7f76" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLineItems_e6d94ad2-e05a-4c62-9b5c-6855d3e928de" xlink:to="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit_aacd391c-6a32-4343-9b39-3cca587a7f76" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit_ed95dc83-4ab5-4f8e-9952-777d9ac4190f" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLineItems_e6d94ad2-e05a-4c62-9b5c-6855d3e928de" xlink:to="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit_ed95dc83-4ab5-4f8e-9952-777d9ac4190f" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions_8e69651a-e762-4885-92b9-68cec6de4605" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLineItems_e6d94ad2-e05a-4c62-9b5c-6855d3e928de" xlink:to="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions_8e69651a-e762-4885-92b9-68cec6de4605" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageRemainingContractualTerm2_a8d34061-842b-4751-adf6-82b45f30cc18" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageRemainingContractualTerm2"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLineItems_e6d94ad2-e05a-4c62-9b5c-6855d3e928de" xlink:to="loc_us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageRemainingContractualTerm2_a8d34061-842b-4751-adf6-82b45f30cc18" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1_05db51d0-9751-4474-9f33-4c7d3e34328c" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLineItems_e6d94ad2-e05a-4c62-9b5c-6855d3e928de" xlink:to="loc_us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1_05db51d0-9751-4474-9f33-4c7d3e34328c" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions_e2829226-376c-459e-81ca-7c7c5d3c6136" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLineItems_e6d94ad2-e05a-4c62-9b5c-6855d3e928de" xlink:to="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions_e2829226-376c-459e-81ca-7c7c5d3c6136" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1_449cd21e-63d1-481c-9e05-918982d8419b" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLineItems_e6d94ad2-e05a-4c62-9b5c-6855d3e928de" xlink:to="loc_us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1_449cd21e-63d1-481c-9e05-918982d8419b" xlink:type="arc" order="7"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://naturalgaservices.com/role/StockBasedCompensationSummaryofUnvestedStockOptionsDetails" xlink:type="simple" xlink:href="ngs-20180630.xsd#StockBasedCompensationSummaryofUnvestedStockOptionsDetails"/>
  <link:definitionLink xlink:role="http://naturalgaservices.com/role/StockBasedCompensationSummaryofUnvestedStockOptionsDetails" xlink:type="extended" id="i91d6798968464201b3a6dac55363cc96_4e96d881-b576-4b67-926f-c121a9d3ba29">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_253dde57-e521-488f-9adb-0c8990f8fd69" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_3b4b3ddd-8da3-4904-ba98-25e667324dc1" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_253dde57-e521-488f-9adb-0c8990f8fd69" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_3b4b3ddd-8da3-4904-ba98-25e667324dc1" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AwardTypeAxis_ed95de89-2d30-4c93-bdae-435c78ec6e96" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AwardTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_3b4b3ddd-8da3-4904-ba98-25e667324dc1" xlink:to="loc_us-gaap_AwardTypeAxis_ed95de89-2d30-4c93-bdae-435c78ec6e96" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_85e38024-2a92-4d29-9b99-b6c57f39a635_default" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AwardTypeAxis_ed95de89-2d30-4c93-bdae-435c78ec6e96" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_85e38024-2a92-4d29-9b99-b6c57f39a635_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_85e38024-2a92-4d29-9b99-b6c57f39a635" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AwardTypeAxis_ed95de89-2d30-4c93-bdae-435c78ec6e96" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_85e38024-2a92-4d29-9b99-b6c57f39a635" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeStockOptionMember_33f0f146-56a4-463b-8db9-4de6a0aeb419" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EmployeeStockOptionMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_85e38024-2a92-4d29-9b99-b6c57f39a635" xlink:to="loc_us-gaap_EmployeeStockOptionMember_33f0f146-56a4-463b-8db9-4de6a0aeb419" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_ngs_EmployeeServiceShareBasedCompensationNonvestedAwardsStockOptionsOutstandingRollForward_1b782333-3ab6-4274-8327-9ba885f53668" xlink:href="ngs-20180630.xsd#ngs_EmployeeServiceShareBasedCompensationNonvestedAwardsStockOptionsOutstandingRollForward"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_253dde57-e521-488f-9adb-0c8990f8fd69" xlink:to="loc_ngs_EmployeeServiceShareBasedCompensationNonvestedAwardsStockOptionsOutstandingRollForward_1b782333-3ab6-4274-8327-9ba885f53668" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares_b5f64f1b-a8a4-4e9a-a5e6-249fbfdc1a8d" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ngs_EmployeeServiceShareBasedCompensationNonvestedAwardsStockOptionsOutstandingRollForward_1b782333-3ab6-4274-8327-9ba885f53668" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares_b5f64f1b-a8a4-4e9a-a5e6-249fbfdc1a8d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedNumberOfShares_dae39ebf-7672-4685-b3e0-7735743a9411" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedNumberOfShares"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ngs_EmployeeServiceShareBasedCompensationNonvestedAwardsStockOptionsOutstandingRollForward_1b782333-3ab6-4274-8327-9ba885f53668" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedNumberOfShares_dae39ebf-7672-4685-b3e0-7735743a9411" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_ngs_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsCanceledOrForfeitedNumberOfShares_f4d48aaa-88e5-4997-a2eb-c365e4d09390" xlink:href="ngs-20180630.xsd#ngs_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsCanceledOrForfeitedNumberOfShares"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ngs_EmployeeServiceShareBasedCompensationNonvestedAwardsStockOptionsOutstandingRollForward_1b782333-3ab6-4274-8327-9ba885f53668" xlink:to="loc_ngs_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsCanceledOrForfeitedNumberOfShares_f4d48aaa-88e5-4997-a2eb-c365e4d09390" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares_0699513a-bb96-44db-b2ef-b555c016d8d7" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares"/>
    <link:loc xlink:type="locator" xlink:label="loc_ngs_EmployeeServiceShareBasedCompensationNonvestedAwardsStockOptionsWeightedAverageGrantDateFairValueRollForward_93c544fe-93e1-48da-9fff-add2e57dc908" xlink:href="ngs-20180630.xsd#ngs_EmployeeServiceShareBasedCompensationNonvestedAwardsStockOptionsWeightedAverageGrantDateFairValueRollForward"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_253dde57-e521-488f-9adb-0c8990f8fd69" xlink:to="loc_ngs_EmployeeServiceShareBasedCompensationNonvestedAwardsStockOptionsWeightedAverageGrantDateFairValueRollForward_93c544fe-93e1-48da-9fff-add2e57dc908" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue_41d79675-f29d-42e8-9a7c-f492b80c6e3e" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ngs_EmployeeServiceShareBasedCompensationNonvestedAwardsStockOptionsWeightedAverageGrantDateFairValueRollForward_93c544fe-93e1-48da-9fff-add2e57dc908" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue_41d79675-f29d-42e8-9a7c-f492b80c6e3e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedWeightedAverageGrantDateFairValue_d3c96791-503e-4d8a-9496-0621737a23e6" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedWeightedAverageGrantDateFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ngs_EmployeeServiceShareBasedCompensationNonvestedAwardsStockOptionsWeightedAverageGrantDateFairValueRollForward_93c544fe-93e1-48da-9fff-add2e57dc908" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedWeightedAverageGrantDateFairValue_d3c96791-503e-4d8a-9496-0621737a23e6" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_ngs_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsCanceledOrForfeitedWeightedAverageGrantDateFairValue_7db99f44-aa4f-4903-9b5c-38363e8fedab" xlink:href="ngs-20180630.xsd#ngs_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsCanceledOrForfeitedWeightedAverageGrantDateFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ngs_EmployeeServiceShareBasedCompensationNonvestedAwardsStockOptionsWeightedAverageGrantDateFairValueRollForward_93c544fe-93e1-48da-9fff-add2e57dc908" xlink:to="loc_ngs_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsCanceledOrForfeitedWeightedAverageGrantDateFairValue_7db99f44-aa4f-4903-9b5c-38363e8fedab" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue_37ef57bb-d65b-4747-9c34-d06daafbccbc" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions_66014e43-a071-444f-ae82-6151e30d19d8" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_253dde57-e521-488f-9adb-0c8990f8fd69" xlink:to="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions_66014e43-a071-444f-ae82-6151e30d19d8" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_c3e1557d-5b59-4ac2-82fa-364a7cb64f15" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_253dde57-e521-488f-9adb-0c8990f8fd69" xlink:to="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_c3e1557d-5b59-4ac2-82fa-364a7cb64f15" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllocatedShareBasedCompensationExpense_0f1813e0-1969-43b4-9381-30b78f3a86ab" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AllocatedShareBasedCompensationExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_253dde57-e521-488f-9adb-0c8990f8fd69" xlink:to="loc_us-gaap_AllocatedShareBasedCompensationExpense_0f1813e0-1969-43b4-9381-30b78f3a86ab" xlink:type="arc" order="5"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://naturalgaservices.com/role/StockBasedCompensationRestrictedStockDetails" xlink:type="simple" xlink:href="ngs-20180630.xsd#StockBasedCompensationRestrictedStockDetails"/>
  <link:definitionLink xlink:role="http://naturalgaservices.com/role/StockBasedCompensationRestrictedStockDetails" xlink:type="extended" id="i9ee61ad7c04845aa903757228e303e25_2b39567b-3806-4334-b431-0e47139e9919">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_e4eb36b2-0965-4c11-887e-28fc76bebdab" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_47f26556-10bb-4988-83d2-0202c83a6ab0" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_e4eb36b2-0965-4c11-887e-28fc76bebdab" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_47f26556-10bb-4988-83d2-0202c83a6ab0" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TitleOfIndividualAxis_0cee0976-34ba-44bd-90d2-0ee88b6a6dfd" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_TitleOfIndividualAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_47f26556-10bb-4988-83d2-0202c83a6ab0" xlink:to="loc_us-gaap_TitleOfIndividualAxis_0cee0976-34ba-44bd-90d2-0ee88b6a6dfd" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TitleOfIndividualWithRelationshipToEntityDomain_d487865c-f47c-4e9b-9402-8ba880029dfb_default" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_TitleOfIndividualWithRelationshipToEntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_TitleOfIndividualAxis_0cee0976-34ba-44bd-90d2-0ee88b6a6dfd" xlink:to="loc_us-gaap_TitleOfIndividualWithRelationshipToEntityDomain_d487865c-f47c-4e9b-9402-8ba880029dfb_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TitleOfIndividualWithRelationshipToEntityDomain_d487865c-f47c-4e9b-9402-8ba880029dfb" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_TitleOfIndividualWithRelationshipToEntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_TitleOfIndividualAxis_0cee0976-34ba-44bd-90d2-0ee88b6a6dfd" xlink:to="loc_us-gaap_TitleOfIndividualWithRelationshipToEntityDomain_d487865c-f47c-4e9b-9402-8ba880029dfb" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ChiefExecutiveOfficerMember_03902202-6307-4b89-af89-d62c921cb6e8" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ChiefExecutiveOfficerMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TitleOfIndividualWithRelationshipToEntityDomain_d487865c-f47c-4e9b-9402-8ba880029dfb" xlink:to="loc_us-gaap_ChiefExecutiveOfficerMember_03902202-6307-4b89-af89-d62c921cb6e8" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ChiefFinancialOfficerMember_60d7c39f-b5cf-4cbb-840e-5db33d04fefe" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ChiefFinancialOfficerMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TitleOfIndividualWithRelationshipToEntityDomain_d487865c-f47c-4e9b-9402-8ba880029dfb" xlink:to="loc_us-gaap_ChiefFinancialOfficerMember_60d7c39f-b5cf-4cbb-840e-5db33d04fefe" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_ngs_VicePresidentofTechnicalServicesMember_2a53cee1-c157-45ab-9cde-fbee9579570b" xlink:href="ngs-20180630.xsd#ngs_VicePresidentofTechnicalServicesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TitleOfIndividualWithRelationshipToEntityDomain_d487865c-f47c-4e9b-9402-8ba880029dfb" xlink:to="loc_ngs_VicePresidentofTechnicalServicesMember_2a53cee1-c157-45ab-9cde-fbee9579570b" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DirectorMember_37336025-19f9-4867-84ca-e60414590854" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DirectorMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TitleOfIndividualWithRelationshipToEntityDomain_d487865c-f47c-4e9b-9402-8ba880029dfb" xlink:to="loc_us-gaap_DirectorMember_37336025-19f9-4867-84ca-e60414590854" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AwardTypeAxis_11710d33-3be3-4c90-9d39-4ca3154d3c3e" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AwardTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_47f26556-10bb-4988-83d2-0202c83a6ab0" xlink:to="loc_us-gaap_AwardTypeAxis_11710d33-3be3-4c90-9d39-4ca3154d3c3e" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_e44367ec-f48d-4d13-9945-b9a59ddabf8a_default" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AwardTypeAxis_11710d33-3be3-4c90-9d39-4ca3154d3c3e" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_e44367ec-f48d-4d13-9945-b9a59ddabf8a_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_e44367ec-f48d-4d13-9945-b9a59ddabf8a" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AwardTypeAxis_11710d33-3be3-4c90-9d39-4ca3154d3c3e" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_e44367ec-f48d-4d13-9945-b9a59ddabf8a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedStockMember_e22a95b6-7178-4694-ae51-a0b6156895ef" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RestrictedStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_e44367ec-f48d-4d13-9945-b9a59ddabf8a" xlink:to="loc_us-gaap_RestrictedStockMember_e22a95b6-7178-4694-ae51-a0b6156895ef" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_b2ba14c5-74f3-4214-abaf-fe1129afd7ab" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_e4eb36b2-0965-4c11-887e-28fc76bebdab" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_b2ba14c5-74f3-4214-abaf-fe1129afd7ab" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_67723918-a2ae-415f-888b-ff0a292692f7" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_e4eb36b2-0965-4c11-887e-28fc76bebdab" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_67723918-a2ae-415f-888b-ff0a292692f7" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllocatedShareBasedCompensationExpense_c3bb4723-a78a-4ab1-a0b1-b4b05745c6fc" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AllocatedShareBasedCompensationExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_e4eb36b2-0965-4c11-887e-28fc76bebdab" xlink:to="loc_us-gaap_AllocatedShareBasedCompensationExpense_c3bb4723-a78a-4ab1-a0b1-b4b05745c6fc" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_bda47c55-9f51-496b-9f53-7d650581c60f" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_e4eb36b2-0965-4c11-887e-28fc76bebdab" xlink:to="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_bda47c55-9f51-496b-9f53-7d650581c60f" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_2ba69079-9cf4-4425-9681-c14d504a5704" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_e4eb36b2-0965-4c11-887e-28fc76bebdab" xlink:to="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_2ba69079-9cf4-4425-9681-c14d504a5704" xlink:type="arc" order="5"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://naturalgaservices.com/role/Inventory" xlink:type="simple" xlink:href="ngs-20180630.xsd#Inventory"/>
  <link:definitionLink xlink:role="http://naturalgaservices.com/role/Inventory" xlink:type="extended" id="i1a6deb3cdf8a47599bbd843f04531d1e_a5bde7f5-93eb-44c0-8b3f-3032330bdd50"/>
  <link:roleRef roleURI="http://naturalgaservices.com/role/InventoryTables" xlink:type="simple" xlink:href="ngs-20180630.xsd#InventoryTables"/>
  <link:definitionLink xlink:role="http://naturalgaservices.com/role/InventoryTables" xlink:type="extended" id="i615c5628021e4a1596e52656166866a0_6ec757fc-9fc1-4632-960e-9e4619508070"/>
  <link:roleRef roleURI="http://naturalgaservices.com/role/InventoryDetails" xlink:type="simple" xlink:href="ngs-20180630.xsd#InventoryDetails"/>
  <link:definitionLink xlink:role="http://naturalgaservices.com/role/InventoryDetails" xlink:type="extended" id="i8bf49bb6f8fe4970924a69bd7c4df6c1_bc14457d-4056-4810-9a1a-ab794f6f3c5d"/>
  <link:roleRef roleURI="http://naturalgaservices.com/role/DeferredCompensationPlans" xlink:type="simple" xlink:href="ngs-20180630.xsd#DeferredCompensationPlans"/>
  <link:definitionLink xlink:role="http://naturalgaservices.com/role/DeferredCompensationPlans" xlink:type="extended" id="i7494da04ce904f44aa0b89009d98dc61_ccf1f8ee-a6dc-45f1-882b-b90db07fd458"/>
  <link:roleRef roleURI="http://naturalgaservices.com/role/DeferredCompensationPlansDetails" xlink:type="simple" xlink:href="ngs-20180630.xsd#DeferredCompensationPlansDetails"/>
  <link:definitionLink xlink:role="http://naturalgaservices.com/role/DeferredCompensationPlansDetails" xlink:type="extended" id="i4687e48023d2453f9500d96654ab5dcf_e2686c19-4079-44f0-a2b5-a82b794760d8"/>
  <link:roleRef roleURI="http://naturalgaservices.com/role/CreditFacility" xlink:type="simple" xlink:href="ngs-20180630.xsd#CreditFacility"/>
  <link:definitionLink xlink:role="http://naturalgaservices.com/role/CreditFacility" xlink:type="extended" id="iac78d5b775814644bc2ca07b15881f8a_b63b4a62-490d-48f9-9d0d-957ea61106df"/>
  <link:roleRef roleURI="http://naturalgaservices.com/role/CreditFacilityDetails" xlink:type="simple" xlink:href="ngs-20180630.xsd#CreditFacilityDetails"/>
  <link:definitionLink xlink:role="http://naturalgaservices.com/role/CreditFacilityDetails" xlink:type="extended" id="ib7ef6a9af3d24b3a8c995ce415e80c14_4a506bfd-f287-4837-a96b-16c6c5133bd0">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityLineItems_e502ef03-82a4-47b3-95e1-c88700c357ba" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LineOfCreditFacilityLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityTable_10710f8b-f2a0-45d6-9da3-6ab4801a4b1b" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LineOfCreditFacilityTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_e502ef03-82a4-47b3-95e1-c88700c357ba" xlink:to="loc_us-gaap_LineOfCreditFacilityTable_10710f8b-f2a0-45d6-9da3-6ab4801a4b1b" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RangeAxis_6ee16fe2-73eb-4082-b738-7f625f3157ca" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RangeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LineOfCreditFacilityTable_10710f8b-f2a0-45d6-9da3-6ab4801a4b1b" xlink:to="loc_us-gaap_RangeAxis_6ee16fe2-73eb-4082-b738-7f625f3157ca" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RangeMember_c1cd2a08-32a4-46e5-a0a4-5c312993c6a7_default" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RangeAxis_6ee16fe2-73eb-4082-b738-7f625f3157ca" xlink:to="loc_us-gaap_RangeMember_c1cd2a08-32a4-46e5-a0a4-5c312993c6a7_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RangeMember_c1cd2a08-32a4-46e5-a0a4-5c312993c6a7" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RangeAxis_6ee16fe2-73eb-4082-b738-7f625f3157ca" xlink:to="loc_us-gaap_RangeMember_c1cd2a08-32a4-46e5-a0a4-5c312993c6a7" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MinimumMember_7844f3ee-639b-400a-8b88-41c53582d0ac" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_MinimumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RangeMember_c1cd2a08-32a4-46e5-a0a4-5c312993c6a7" xlink:to="loc_us-gaap_MinimumMember_7844f3ee-639b-400a-8b88-41c53582d0ac" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MaximumMember_4a1728a9-2fa6-46e3-ab82-e050631d5b51" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_MaximumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RangeMember_c1cd2a08-32a4-46e5-a0a4-5c312993c6a7" xlink:to="loc_us-gaap_MaximumMember_4a1728a9-2fa6-46e3-ab82-e050631d5b51" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableRateAxis_bbb2dc23-a4f5-498b-b41f-5ade07997290" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_VariableRateAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LineOfCreditFacilityTable_10710f8b-f2a0-45d6-9da3-6ab4801a4b1b" xlink:to="loc_us-gaap_VariableRateAxis_bbb2dc23-a4f5-498b-b41f-5ade07997290" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableRateDomain_a4e4502d-1b60-47d9-bd4a-48865d02320b_default" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_VariableRateDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_VariableRateAxis_bbb2dc23-a4f5-498b-b41f-5ade07997290" xlink:to="loc_us-gaap_VariableRateDomain_a4e4502d-1b60-47d9-bd4a-48865d02320b_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableRateDomain_a4e4502d-1b60-47d9-bd4a-48865d02320b" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_VariableRateDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_VariableRateAxis_bbb2dc23-a4f5-498b-b41f-5ade07997290" xlink:to="loc_us-gaap_VariableRateDomain_a4e4502d-1b60-47d9-bd4a-48865d02320b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LondonInterbankOfferedRateLIBORMember_b3ec8ee2-5766-4def-aa58-aa0679d2a0da" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LondonInterbankOfferedRateLIBORMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VariableRateDomain_a4e4502d-1b60-47d9-bd4a-48865d02320b" xlink:to="loc_us-gaap_LondonInterbankOfferedRateLIBORMember_b3ec8ee2-5766-4def-aa58-aa0679d2a0da" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_ngs_CbFloatingRateMember_14f85aa0-2d0a-4290-ade1-0575bc3abe3a" xlink:href="ngs-20180630.xsd#ngs_CbFloatingRateMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VariableRateDomain_a4e4502d-1b60-47d9-bd4a-48865d02320b" xlink:to="loc_ngs_CbFloatingRateMember_14f85aa0-2d0a-4290-ade1-0575bc3abe3a" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityAxis_636ba6b8-6ff4-4d74-be59-4ad8b51a0e61" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CreditFacilityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LineOfCreditFacilityTable_10710f8b-f2a0-45d6-9da3-6ab4801a4b1b" xlink:to="loc_us-gaap_CreditFacilityAxis_636ba6b8-6ff4-4d74-be59-4ad8b51a0e61" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_38a76ba8-184e-4cd4-9df2-ff1848ddffb9_default" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CreditFacilityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_CreditFacilityAxis_636ba6b8-6ff4-4d74-be59-4ad8b51a0e61" xlink:to="loc_us-gaap_CreditFacilityDomain_38a76ba8-184e-4cd4-9df2-ff1848ddffb9_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_38a76ba8-184e-4cd4-9df2-ff1848ddffb9" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CreditFacilityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_CreditFacilityAxis_636ba6b8-6ff4-4d74-be59-4ad8b51a0e61" xlink:to="loc_us-gaap_CreditFacilityDomain_38a76ba8-184e-4cd4-9df2-ff1848ddffb9" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevolvingCreditFacilityMember_b0a2d035-9fbf-4d46-b030-b17c219afefb" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RevolvingCreditFacilityMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CreditFacilityDomain_38a76ba8-184e-4cd4-9df2-ff1848ddffb9" xlink:to="loc_us-gaap_RevolvingCreditFacilityMember_b0a2d035-9fbf-4d46-b030-b17c219afefb" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_6a9877fa-266f-4f4f-b4c1-17720d483e39" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_e502ef03-82a4-47b3-95e1-c88700c357ba" xlink:to="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_6a9877fa-266f-4f4f-b4c1-17720d483e39" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_ngs_LineOfCreditFacilityPotentialIncreaseInBorrowingCapacity_7ae28542-f1de-4caa-b00c-2cb608b08024" xlink:href="ngs-20180630.xsd#ngs_LineOfCreditFacilityPotentialIncreaseInBorrowingCapacity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_e502ef03-82a4-47b3-95e1-c88700c357ba" xlink:to="loc_ngs_LineOfCreditFacilityPotentialIncreaseInBorrowingCapacity_7ae28542-f1de-4caa-b00c-2cb608b08024" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_ngs_LineOfCreditFacilityPotentialMaximumBorrowingCapacity_04985948-89f4-4443-966d-9037d583094d" xlink:href="ngs-20180630.xsd#ngs_LineOfCreditFacilityPotentialMaximumBorrowingCapacity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_e502ef03-82a4-47b3-95e1-c88700c357ba" xlink:to="loc_ngs_LineOfCreditFacilityPotentialMaximumBorrowingCapacity_04985948-89f4-4443-966d-9037d583094d" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_ngs_LineOfCreditFacilityCurrentBorrowingCapacityComponentPercentageOfEligibleAccountsReceivable_5e05175d-481d-4696-9a75-925e4ca843d8" xlink:href="ngs-20180630.xsd#ngs_LineOfCreditFacilityCurrentBorrowingCapacityComponentPercentageOfEligibleAccountsReceivable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_e502ef03-82a4-47b3-95e1-c88700c357ba" xlink:to="loc_ngs_LineOfCreditFacilityCurrentBorrowingCapacityComponentPercentageOfEligibleAccountsReceivable_5e05175d-481d-4696-9a75-925e4ca843d8" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_ngs_LineOfCreditFacilityCurrentBorrowingCapacityComponentPercentageOfEligibleGeneralInventory_ccb05a58-565a-4b0f-adec-02050f2d0967" xlink:href="ngs-20180630.xsd#ngs_LineOfCreditFacilityCurrentBorrowingCapacityComponentPercentageOfEligibleGeneralInventory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_e502ef03-82a4-47b3-95e1-c88700c357ba" xlink:to="loc_ngs_LineOfCreditFacilityCurrentBorrowingCapacityComponentPercentageOfEligibleGeneralInventory_ccb05a58-565a-4b0f-adec-02050f2d0967" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_ngs_LineOfCreditFacilityCurrentBorrowingCapacityAllowableShareOfTotalCommitmentAmountAttributableToGeneralInventoryComponent_bdf102a2-248d-4246-ac82-397ad1062e5d" xlink:href="ngs-20180630.xsd#ngs_LineOfCreditFacilityCurrentBorrowingCapacityAllowableShareOfTotalCommitmentAmountAttributableToGeneralInventoryComponent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_e502ef03-82a4-47b3-95e1-c88700c357ba" xlink:to="loc_ngs_LineOfCreditFacilityCurrentBorrowingCapacityAllowableShareOfTotalCommitmentAmountAttributableToGeneralInventoryComponent_bdf102a2-248d-4246-ac82-397ad1062e5d" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_ngs_LineOfCreditFacilityCurrentBorrowingCapacityComponentPercentageOfEligibleEquipmentInventory_b09e8ed3-648f-4bb1-a0c0-20e218ba95d4" xlink:href="ngs-20180630.xsd#ngs_LineOfCreditFacilityCurrentBorrowingCapacityComponentPercentageOfEligibleEquipmentInventory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_e502ef03-82a4-47b3-95e1-c88700c357ba" xlink:to="loc_ngs_LineOfCreditFacilityCurrentBorrowingCapacityComponentPercentageOfEligibleEquipmentInventory_b09e8ed3-648f-4bb1-a0c0-20e218ba95d4" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity_d26535c5-9c26-4149-a43d-1de1f7129fd3" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_e502ef03-82a4-47b3-95e1-c88700c357ba" xlink:to="loc_us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity_d26535c5-9c26-4149-a43d-1de1f7129fd3" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_ngs_LineOfCreditFacilityReferenceRateNumberOfAllowableBorrowingsOutstanding_47d8ce18-65c5-466d-88e4-5929debe254b" xlink:href="ngs-20180630.xsd#ngs_LineOfCreditFacilityReferenceRateNumberOfAllowableBorrowingsOutstanding"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_e502ef03-82a4-47b3-95e1-c88700c357ba" xlink:to="loc_ngs_LineOfCreditFacilityReferenceRateNumberOfAllowableBorrowingsOutstanding_47d8ce18-65c5-466d-88e4-5929debe254b" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_31a1421c-7a37-4cf5-95c3-1df51edd8c38" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DebtInstrumentBasisSpreadOnVariableRate1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_e502ef03-82a4-47b3-95e1-c88700c357ba" xlink:to="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_31a1421c-7a37-4cf5-95c3-1df51edd8c38" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityInterestRateDuringPeriod_a2401648-1637-44da-b3d9-6dff56568fbc" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LineOfCreditFacilityInterestRateDuringPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_e502ef03-82a4-47b3-95e1-c88700c357ba" xlink:to="loc_us-gaap_LineOfCreditFacilityInterestRateDuringPeriod_a2401648-1637-44da-b3d9-6dff56568fbc" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_ngs_LineofCreditFacilityCommitmentCoverageRatio_f8909b1a-46ad-4ae7-a5fa-748d14d689b0" xlink:href="ngs-20180630.xsd#ngs_LineofCreditFacilityCommitmentCoverageRatio"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_e502ef03-82a4-47b3-95e1-c88700c357ba" xlink:to="loc_ngs_LineofCreditFacilityCommitmentCoverageRatio_f8909b1a-46ad-4ae7-a5fa-748d14d689b0" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_ngs_LineofCreditFacilityLeverageRatio_4be0a8c3-199b-4bdd-a690-348ebbc7c599" xlink:href="ngs-20180630.xsd#ngs_LineofCreditFacilityLeverageRatio"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_e502ef03-82a4-47b3-95e1-c88700c357ba" xlink:to="loc_ngs_LineofCreditFacilityLeverageRatio_4be0a8c3-199b-4bdd-a690-348ebbc7c599" xlink:type="arc" order="13"/>
    <link:loc xlink:type="locator" xlink:label="loc_ngs_LineOfCreditFacilityDefaultTriggerCertainDefaultsOfOtherCompanyIndebtednessAmount_989a690e-5d6a-40b9-8b33-6338a67340eb" xlink:href="ngs-20180630.xsd#ngs_LineOfCreditFacilityDefaultTriggerCertainDefaultsOfOtherCompanyIndebtednessAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_e502ef03-82a4-47b3-95e1-c88700c357ba" xlink:to="loc_ngs_LineOfCreditFacilityDefaultTriggerCertainDefaultsOfOtherCompanyIndebtednessAmount_989a690e-5d6a-40b9-8b33-6338a67340eb" xlink:type="arc" order="14"/>
    <link:loc xlink:type="locator" xlink:label="loc_ngs_LineOfCreditFacilityDefaultTriggerRenderingOfCertainJudgmentsAmount_1b270274-42dc-4918-b43a-966ff6825855" xlink:href="ngs-20180630.xsd#ngs_LineOfCreditFacilityDefaultTriggerRenderingOfCertainJudgmentsAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_e502ef03-82a4-47b3-95e1-c88700c357ba" xlink:to="loc_ngs_LineOfCreditFacilityDefaultTriggerRenderingOfCertainJudgmentsAmount_1b270274-42dc-4918-b43a-966ff6825855" xlink:type="arc" order="15"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCredit_b1485055-015a-4a1f-8b26-0bfafabc8786" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LineOfCredit"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_e502ef03-82a4-47b3-95e1-c88700c357ba" xlink:to="loc_us-gaap_LineOfCredit_b1485055-015a-4a1f-8b26-0bfafabc8786" xlink:type="arc" order="16"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://naturalgaservices.com/role/EarningsperShare" xlink:type="simple" xlink:href="ngs-20180630.xsd#EarningsperShare"/>
  <link:definitionLink xlink:role="http://naturalgaservices.com/role/EarningsperShare" xlink:type="extended" id="i8f1b0e1e026847179763cf5c9718712c_d4ba6cf1-36ae-4d79-a812-288f26104fb1"/>
  <link:roleRef roleURI="http://naturalgaservices.com/role/EarningsperShareTables" xlink:type="simple" xlink:href="ngs-20180630.xsd#EarningsperShareTables"/>
  <link:definitionLink xlink:role="http://naturalgaservices.com/role/EarningsperShareTables" xlink:type="extended" id="i90b4740050074a6f91c700fe184a7aa6_0187cf8c-d2d8-4f63-a09c-6eaa8d562263"/>
  <link:roleRef roleURI="http://naturalgaservices.com/role/EarningsperShareBasicandDilutedDetails" xlink:type="simple" xlink:href="ngs-20180630.xsd#EarningsperShareBasicandDilutedDetails"/>
  <link:definitionLink xlink:role="http://naturalgaservices.com/role/EarningsperShareBasicandDilutedDetails" xlink:type="extended" id="i629327825c204f88b029462e06d0462d_46f0881e-db61-4c34-9966-faa3296509d8">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_9facae28-e905-4b4d-9ea8-8fb6e416a406" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_4f627e03-3481-4334-a9fc-98eb68735848" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_9facae28-e905-4b4d-9ea8-8fb6e416a406" xlink:to="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_4f627e03-3481-4334-a9fc-98eb68735848" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis_5a310baa-60a4-4212-8a3b-5d480af75520" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_4f627e03-3481-4334-a9fc-98eb68735848" xlink:to="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis_5a310baa-60a4-4212-8a3b-5d480af75520" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain_13e5555f-304f-4aef-bef9-c3bad67055cc_default" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis_5a310baa-60a4-4212-8a3b-5d480af75520" xlink:to="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain_13e5555f-304f-4aef-bef9-c3bad67055cc_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain_13e5555f-304f-4aef-bef9-c3bad67055cc" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis_5a310baa-60a4-4212-8a3b-5d480af75520" xlink:to="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain_13e5555f-304f-4aef-bef9-c3bad67055cc" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_ngs_AntidilutiveEffectMember_9feee8dc-bc99-4581-96d5-522b6d80f994" xlink:href="ngs-20180630.xsd#ngs_AntidilutiveEffectMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain_13e5555f-304f-4aef-bef9-c3bad67055cc" xlink:to="loc_ngs_AntidilutiveEffectMember_9feee8dc-bc99-4581-96d5-522b6d80f994" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_5c80f2d4-1dfc-4510-a735-6a62835f25c6" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_9facae28-e905-4b4d-9ea8-8fb6e416a406" xlink:to="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_5c80f2d4-1dfc-4510-a735-6a62835f25c6" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit_3e232ff0-1153-4986-ac1b-f5c866936f77" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_9facae28-e905-4b4d-9ea8-8fb6e416a406" xlink:to="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit_3e232ff0-1153-4986-ac1b-f5c866936f77" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit_0228d772-e5a1-4485-ac9a-ff3bcb45ec12" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_9facae28-e905-4b4d-9ea8-8fb6e416a406" xlink:to="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit_0228d772-e5a1-4485-ac9a-ff3bcb45ec12" xlink:type="arc" order="3"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://naturalgaservices.com/role/SegmentInformation" xlink:type="simple" xlink:href="ngs-20180630.xsd#SegmentInformation"/>
  <link:definitionLink xlink:role="http://naturalgaservices.com/role/SegmentInformation" xlink:type="extended" id="i04740b6887a845ae988d9bb22a0ddad0_b48f088d-0f1c-4476-834a-79582678d97e"/>
  <link:roleRef roleURI="http://naturalgaservices.com/role/SegmentInformationTables" xlink:type="simple" xlink:href="ngs-20180630.xsd#SegmentInformationTables"/>
  <link:definitionLink xlink:role="http://naturalgaservices.com/role/SegmentInformationTables" xlink:type="extended" id="i9e7c80b0764141f89abd212954e643b9_2cf6c43b-d699-4699-8e91-5b176245fc98"/>
  <link:roleRef roleURI="http://naturalgaservices.com/role/SegmentInformationDetails" xlink:type="simple" xlink:href="ngs-20180630.xsd#SegmentInformationDetails"/>
  <link:definitionLink xlink:role="http://naturalgaservices.com/role/SegmentInformationDetails" xlink:type="extended" id="i9eaa08ea22534e1f806581883520617d_0a2f9f60-e40c-406b-849f-ea333c7ffad5">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentReportingInformationLineItems_8c961ff1-4f47-4435-86cb-4a7a8ea66f9c" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SegmentReportingInformationLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_fa6f40d1-1ff4-4c22-8270-5639cad4c012" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_8c961ff1-4f47-4435-86cb-4a7a8ea66f9c" xlink:to="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_fa6f40d1-1ff4-4c22-8270-5639cad4c012" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProductOrServiceAxis_b6951438-cf4c-45f0-8418-10314f493770" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProductOrServiceAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_fa6f40d1-1ff4-4c22-8270-5639cad4c012" xlink:to="loc_us-gaap_ProductOrServiceAxis_b6951438-cf4c-45f0-8418-10314f493770" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProductsAndServicesDomain_2f2942d2-4d2d-4112-b712-81609e6ff2b7_default" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ProductOrServiceAxis_b6951438-cf4c-45f0-8418-10314f493770" xlink:to="loc_us-gaap_ProductsAndServicesDomain_2f2942d2-4d2d-4112-b712-81609e6ff2b7_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProductsAndServicesDomain_2f2942d2-4d2d-4112-b712-81609e6ff2b7" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ProductOrServiceAxis_b6951438-cf4c-45f0-8418-10314f493770" xlink:to="loc_us-gaap_ProductsAndServicesDomain_2f2942d2-4d2d-4112-b712-81609e6ff2b7" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_ngs_RentalMember_9816492a-a269-48a8-8a7d-322b4087ab35" xlink:href="ngs-20180630.xsd#ngs_RentalMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ProductsAndServicesDomain_2f2942d2-4d2d-4112-b712-81609e6ff2b7" xlink:to="loc_ngs_RentalMember_9816492a-a269-48a8-8a7d-322b4087ab35" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_ngs_SalesServiceLineMember_71c819f4-d474-4618-8663-1e682f9b7cfb" xlink:href="ngs-20180630.xsd#ngs_SalesServiceLineMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ProductsAndServicesDomain_2f2942d2-4d2d-4112-b712-81609e6ff2b7" xlink:to="loc_ngs_SalesServiceLineMember_71c819f4-d474-4618-8663-1e682f9b7cfb" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_ngs_ServiceandMaintenanceMember_3f3d1e47-0218-4b24-ac20-5f72357a9940" xlink:href="ngs-20180630.xsd#ngs_ServiceandMaintenanceMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ProductsAndServicesDomain_2f2942d2-4d2d-4112-b712-81609e6ff2b7" xlink:to="loc_ngs_ServiceandMaintenanceMember_3f3d1e47-0218-4b24-ac20-5f72357a9940" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConsolidationItemsAxis_7d6983e7-64a5-486f-86ee-70dea71aa4d3" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ConsolidationItemsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_fa6f40d1-1ff4-4c22-8270-5639cad4c012" xlink:to="loc_us-gaap_ConsolidationItemsAxis_7d6983e7-64a5-486f-86ee-70dea71aa4d3" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConsolidationItemsDomain_06d12720-5fbd-4a37-94a8-86b6440e5332_default" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ConsolidationItemsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ConsolidationItemsAxis_7d6983e7-64a5-486f-86ee-70dea71aa4d3" xlink:to="loc_us-gaap_ConsolidationItemsDomain_06d12720-5fbd-4a37-94a8-86b6440e5332_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConsolidationItemsDomain_06d12720-5fbd-4a37-94a8-86b6440e5332" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ConsolidationItemsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ConsolidationItemsAxis_7d6983e7-64a5-486f-86ee-70dea71aa4d3" xlink:to="loc_us-gaap_ConsolidationItemsDomain_06d12720-5fbd-4a37-94a8-86b6440e5332" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CorporateNonSegmentMember_2fb9dc34-023b-4bb3-82e2-8480ffc0e787" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CorporateNonSegmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConsolidationItemsDomain_06d12720-5fbd-4a37-94a8-86b6440e5332" xlink:to="loc_us-gaap_CorporateNonSegmentMember_2fb9dc34-023b-4bb3-82e2-8480ffc0e787" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NumberOfOperatingSegments_c294cdbe-b972-4450-8940-576e489fe518" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NumberOfOperatingSegments"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_8c961ff1-4f47-4435-86cb-4a7a8ea66f9c" xlink:to="loc_us-gaap_NumberOfOperatingSegments_c294cdbe-b972-4450-8940-576e489fe518" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Revenues_f47f110d-64c4-4059-89e0-819d1740b841" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_Revenues"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_8c961ff1-4f47-4435-86cb-4a7a8ea66f9c" xlink:to="loc_us-gaap_Revenues_f47f110d-64c4-4059-89e0-819d1740b841" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostsAndExpenses_454709d2-ae4b-4227-9ae1-c9b2bef9b38a" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CostsAndExpenses"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_8c961ff1-4f47-4435-86cb-4a7a8ea66f9c" xlink:to="loc_us-gaap_CostsAndExpenses_454709d2-ae4b-4227-9ae1-c9b2bef9b38a" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NonoperatingIncomeExpense_fd249ab2-bbe6-4b3f-8a53-9bb59aa0d61e" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NonoperatingIncomeExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_8c961ff1-4f47-4435-86cb-4a7a8ea66f9c" xlink:to="loc_us-gaap_NonoperatingIncomeExpense_fd249ab2-bbe6-4b3f-8a53-9bb59aa0d61e" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_596506c3-9ae8-4237-94d1-27472e062030" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_8c961ff1-4f47-4435-86cb-4a7a8ea66f9c" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_596506c3-9ae8-4237-94d1-27472e062030" xlink:type="arc" order="5"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://naturalgaservices.com/role/CommitmentsandContingencies" xlink:type="simple" xlink:href="ngs-20180630.xsd#CommitmentsandContingencies"/>
  <link:definitionLink xlink:role="http://naturalgaservices.com/role/CommitmentsandContingencies" xlink:type="extended" id="i987fc16b821149069b5b4e9ea39d8c72_a4a341d0-110c-479a-b8d6-602c77c092c3"/>
  <link:roleRef roleURI="http://naturalgaservices.com/role/CommitmentsandContingenciesDetails" xlink:type="simple" xlink:href="ngs-20180630.xsd#CommitmentsandContingenciesDetails"/>
  <link:definitionLink xlink:role="http://naturalgaservices.com/role/CommitmentsandContingenciesDetails" xlink:type="extended" id="i89bbaf792bfe4c4db71835d7795c01da_32cb6da7-1b96-4cb5-abf5-20d299aec71c"/>
</link:linkbase>
</XBRL>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-101.LAB
<SEQUENCE>9
<FILENAME>ngs-20180630_lab.xml
<DESCRIPTION>XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT
<TEXT>
<XBRL>
<?xml version="1.0" encoding="UTF-8"?>

<!--XBRL Document Created with Wdesk from Workiva-->
<!--Copyright 2017 Workiva-->
<!--r:099b662c-2119-4203-8f6b-49ac0226745a,g:9b7f8944-7e58-44f0-88c3-cc8518166311-->
<link:linkbase xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedPeriodStartLabel" xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedPeriodStartLabel"/>
  <link:roleRef roleURI="http://www.xbrl.org/2009/role/netLabel" xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/net-2009-12-16.xsd#netLabel"/>
  <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedNetLabel" xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedNetLabel"/>
  <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedTerseLabel"/>
  <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedPeriodEndLabel" xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedPeriodEndLabel"/>
  <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedLabel"/>
  <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedTotalLabel"/>
  <link:labelLink xlink:role="http://www.xbrl.org/2003/role/link" xlink:type="extended">
    <link:label id="lab_us-gaap_ContractualObligation_ec330b23-54c4-4a4b-a10c-4eb43adc9176_terseLabel_en-US" xlink:label="lab_us-gaap_ContractualObligation" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Contractual obligation</link:label>
    <link:label id="lab_us-gaap_ContractualObligation_label_en-US" xlink:label="lab_us-gaap_ContractualObligation" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Contractual Obligation</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractualObligation" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ContractualObligation"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ContractualObligation" xlink:to="lab_us-gaap_ContractualObligation" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_RangeMember_a68d0257-e7fb-4a73-84f5-9e5b4a81aab1_terseLabel_en-US" xlink:label="lab_us-gaap_RangeMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Range [Domain]</link:label>
    <link:label id="lab_us-gaap_RangeMember_label_en-US" xlink:label="lab_us-gaap_RangeMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Range [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RangeMember" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RangeMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RangeMember" xlink:to="lab_us-gaap_RangeMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_InventoryDisclosureAbstract_label_en-US" xlink:label="lab_us-gaap_InventoryDisclosureAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Inventory Disclosure [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryDisclosureAbstract" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InventoryDisclosureAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InventoryDisclosureAbstract" xlink:to="lab_us-gaap_InventoryDisclosureAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ngs_RevenueFromContractWithCustomerPolicyTextBlock_f6d30304-e90f-43c0-a2b1-94d2972b2da3_terseLabel_en-US" xlink:label="lab_ngs_RevenueFromContractWithCustomerPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Revenue Recogntion</link:label>
    <link:label id="lab_ngs_RevenueFromContractWithCustomerPolicyTextBlock_label_en-US" xlink:label="lab_ngs_RevenueFromContractWithCustomerPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Revenue From Contract With Customer [Policy Text Block]</link:label>
    <link:label id="lab_ngs_RevenueFromContractWithCustomerPolicyTextBlock_documentation_en-US" xlink:label="lab_ngs_RevenueFromContractWithCustomerPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Revenue from Contract with Customer [Policy Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ngs_RevenueFromContractWithCustomerPolicyTextBlock" xlink:href="ngs-20180630.xsd#ngs_RevenueFromContractWithCustomerPolicyTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ngs_RevenueFromContractWithCustomerPolicyTextBlock" xlink:to="lab_ngs_RevenueFromContractWithCustomerPolicyTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_CommonStockParOrStatedValuePerShare_dbca8561-6bb5-4282-a93d-417b7f7e4c62_terseLabel_en-US" xlink:label="lab_us-gaap_CommonStockParOrStatedValuePerShare" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Common stock, par value (in USD per share)</link:label>
    <link:label id="lab_us-gaap_CommonStockParOrStatedValuePerShare_label_en-US" xlink:label="lab_us-gaap_CommonStockParOrStatedValuePerShare" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Common Stock, Par or Stated Value Per Share</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockParOrStatedValuePerShare" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CommonStockParOrStatedValuePerShare"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CommonStockParOrStatedValuePerShare" xlink:to="lab_us-gaap_CommonStockParOrStatedValuePerShare" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_741af6f3-c04f-4cb9-bcd3-9849745f32ff_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Exercisable (in shares)</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_AccountsPayableCurrent_58ae211f-cc00-4554-b89b-d50875835d13_terseLabel_en-US" xlink:label="lab_us-gaap_AccountsPayableCurrent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Accounts payable</link:label>
    <link:label id="lab_us-gaap_AccountsPayableCurrent_label_en-US" xlink:label="lab_us-gaap_AccountsPayableCurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Accounts Payable, Current</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsPayableCurrent" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AccountsPayableCurrent"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccountsPayableCurrent" xlink:to="lab_us-gaap_AccountsPayableCurrent" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_TitleOfIndividualWithRelationshipToEntityDomain_9fa1717d-7889-4659-8589-c6c640a584ba_terseLabel_en-US" xlink:label="lab_us-gaap_TitleOfIndividualWithRelationshipToEntityDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Title of Individual with Relationship to Entity [Domain]</link:label>
    <link:label id="lab_us-gaap_TitleOfIndividualWithRelationshipToEntityDomain_label_en-US" xlink:label="lab_us-gaap_TitleOfIndividualWithRelationshipToEntityDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Relationship to Entity [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TitleOfIndividualWithRelationshipToEntityDomain" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_TitleOfIndividualWithRelationshipToEntityDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_TitleOfIndividualWithRelationshipToEntityDomain" xlink:to="lab_us-gaap_TitleOfIndividualWithRelationshipToEntityDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_AccountingPoliciesAbstract_label_en-US" xlink:label="lab_us-gaap_AccountingPoliciesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Accounting Policies [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountingPoliciesAbstract" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AccountingPoliciesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccountingPoliciesAbstract" xlink:to="lab_us-gaap_AccountingPoliciesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_1a53c934-2708-4e48-a225-b75e1e982140_terseLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">CASH FLOWS FROM INVESTING ACTIVITIES:</link:label>
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Net Cash Provided by (Used in) Investing Activities [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:to="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_b8aa3757-83f6-4bd8-98a0-b79f0c3883a0_terseLabel_en-US" xlink:label="lab_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Total unrecognized compensation expense</link:label>
    <link:label id="lab_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_label_en-US" xlink:label="lab_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized" xlink:to="lab_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_CurrentFiscalYearEndDate_54f820a5-b303-4b59-9406-b22e8d950d5e_terseLabel_en-US" xlink:label="lab_dei_CurrentFiscalYearEndDate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Current Fiscal Year End Date</link:label>
    <link:label id="lab_dei_CurrentFiscalYearEndDate_label_en-US" xlink:label="lab_dei_CurrentFiscalYearEndDate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Current Fiscal Year End Date</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_CurrentFiscalYearEndDate" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_CurrentFiscalYearEndDate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_CurrentFiscalYearEndDate" xlink:to="lab_dei_CurrentFiscalYearEndDate" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue_eb885182-0d2d-4616-8426-a37bbc93d00c_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Exercised</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_RestrictedStockMember_da85965d-77f2-4eef-8eef-676c515dd684_terseLabel_en-US" xlink:label="lab_us-gaap_RestrictedStockMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Restricted Stock</link:label>
    <link:label id="lab_us-gaap_RestrictedStockMember_label_en-US" xlink:label="lab_us-gaap_RestrictedStockMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Restricted Stock [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedStockMember" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RestrictedStockMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RestrictedStockMember" xlink:to="lab_us-gaap_RestrictedStockMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_5227a62e-9482-4b12-adf5-7fd7eec21fcc_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Award Type [Domain]</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Equity Award [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_3ae084fd-8e48-4a16-a4b5-26629d0df143_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Purchase of rental equipment and property and equipment</link:label>
    <link:label id="lab_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_label_en-US" xlink:label="lab_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Payments to Acquire Property, Plant, and Equipment</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xlink:to="lab_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_label_en-US" xlink:label="lab_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of Compensation Related Costs, Share-based Payments [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract" xlink:to="lab_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_AccountsReceivableNetCurrentAbstract_21f7dd7a-a7f8-4a69-9761-0ca575a9e4a0_terseLabel_en-US" xlink:label="lab_us-gaap_AccountsReceivableNetCurrentAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Accounts Receivable</link:label>
    <link:label id="lab_us-gaap_AccountsReceivableNetCurrentAbstract_label_en-US" xlink:label="lab_us-gaap_AccountsReceivableNetCurrentAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Accounts Receivable, Net, Current [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableNetCurrentAbstract" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AccountsReceivableNetCurrentAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccountsReceivableNetCurrentAbstract" xlink:to="lab_us-gaap_AccountsReceivableNetCurrentAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_AdditionalPaidInCapitalCommonStock_4d2ca4ce-05cb-45af-9058-bc5a7abdd53b_terseLabel_en-US" xlink:label="lab_us-gaap_AdditionalPaidInCapitalCommonStock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Additional paid-in capital</link:label>
    <link:label id="lab_us-gaap_AdditionalPaidInCapitalCommonStock_label_en-US" xlink:label="lab_us-gaap_AdditionalPaidInCapitalCommonStock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Additional Paid in Capital, Common Stock</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdditionalPaidInCapitalCommonStock" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AdditionalPaidInCapitalCommonStock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AdditionalPaidInCapitalCommonStock" xlink:to="lab_us-gaap_AdditionalPaidInCapitalCommonStock" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_44ee91fb-dc92-4333-9025-771f1f20e469_terseLabel_en-US" xlink:label="lab_us-gaap_PrepaidExpenseAndOtherAssetsCurrent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Prepaid expenses and other</link:label>
    <link:label id="lab_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_label_en-US" xlink:label="lab_us-gaap_PrepaidExpenseAndOtherAssetsCurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Prepaid Expense and Other Assets, Current</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PrepaidExpenseAndOtherAssetsCurrent" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PrepaidExpenseAndOtherAssetsCurrent"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PrepaidExpenseAndOtherAssetsCurrent" xlink:to="lab_us-gaap_PrepaidExpenseAndOtherAssetsCurrent" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_d2752530-5ca7-4da1-8f95-49e0fce5452d_terseLabel_en-US" xlink:label="lab_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Allowance for doubtful accounts</link:label>
    <link:label id="lab_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_3a0750d3-cd42-4fac-b385-1c0d13e4d5ff_negatedLabel_en-US" xlink:label="lab_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Less:Allowance for doubtful accounts</link:label>
    <link:label id="lab_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_label_en-US" xlink:label="lab_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Allowance for Doubtful Accounts Receivable, Current</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent" xlink:to="lab_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ProvisionForDoubtfulAccounts_e19dcda2-54ed-4bf1-9e24-059a34be4427_terseLabel_en-US" xlink:label="lab_us-gaap_ProvisionForDoubtfulAccounts" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Bad debt allowance</link:label>
    <link:label id="lab_us-gaap_ProvisionForDoubtfulAccounts_label_en-US" xlink:label="lab_us-gaap_ProvisionForDoubtfulAccounts" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Provision for Doubtful Accounts</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProvisionForDoubtfulAccounts" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProvisionForDoubtfulAccounts"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProvisionForDoubtfulAccounts" xlink:to="lab_us-gaap_ProvisionForDoubtfulAccounts" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_e38877cf-f415-48a1-985d-568aca614e2a_terseLabel_en-US" xlink:label="lab_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Accumulated depreciation, property and equipment</link:label>
    <link:label id="lab_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_label_en-US" xlink:label="lab_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:to="lab_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:type="arc" order="1"/>
    <link:label id="lab_ngs_OtherPartsRebuildsMember_708c45a2-4ff3-4fb4-984d-2461d6c79440_terseLabel_en-US" xlink:label="lab_ngs_OtherPartsRebuildsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Other (Parts/Rebuilds) - sales</link:label>
    <link:label id="lab_ngs_OtherPartsRebuildsMember_label_en-US" xlink:label="lab_ngs_OtherPartsRebuildsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Other (Parts / Rebuilds) [Member]</link:label>
    <link:label id="lab_ngs_OtherPartsRebuildsMember_documentation_en-US" xlink:label="lab_ngs_OtherPartsRebuildsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Other (Parts / Rebuilds) [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ngs_OtherPartsRebuildsMember" xlink:href="ngs-20180630.xsd#ngs_OtherPartsRebuildsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ngs_OtherPartsRebuildsMember" xlink:to="lab_ngs_OtherPartsRebuildsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_InventoryFinishedGoodsNetOfReserves_a3a9ceca-0804-4d00-beb0-b6dded29141a_terseLabel_en-US" xlink:label="lab_us-gaap_InventoryFinishedGoodsNetOfReserves" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Finished Goods</link:label>
    <link:label id="lab_us-gaap_InventoryFinishedGoodsNetOfReserves_label_en-US" xlink:label="lab_us-gaap_InventoryFinishedGoodsNetOfReserves" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Inventory, Finished Goods, Net of Reserves</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryFinishedGoodsNetOfReserves" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InventoryFinishedGoodsNetOfReserves"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InventoryFinishedGoodsNetOfReserves" xlink:to="lab_us-gaap_InventoryFinishedGoodsNetOfReserves" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions_b3b42b4d-c583-42ae-8f69-104f86f8c7cf_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Options outstanding, shares</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Number of Outstanding Options</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions" xlink:to="lab_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_LineOfCreditFacilityTable_36d03294-dd58-4ddd-b5de-659e591c5b32_terseLabel_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Line of Credit Facility [Table]</link:label>
    <link:label id="lab_us-gaap_LineOfCreditFacilityTable_label_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Line of Credit Facility [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityTable" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LineOfCreditFacilityTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LineOfCreditFacilityTable" xlink:to="lab_us-gaap_LineOfCreditFacilityTable" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_CommonStockSharesOutstanding_a35f437e-be74-4f1c-b838-8baaba9e7971_terseLabel_en-US" xlink:label="lab_us-gaap_CommonStockSharesOutstanding" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Common stock, shares outstanding</link:label>
    <link:label id="lab_us-gaap_CommonStockSharesOutstanding_label_en-US" xlink:label="lab_us-gaap_CommonStockSharesOutstanding" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Common Stock, Shares, Outstanding</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockSharesOutstanding" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CommonStockSharesOutstanding"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CommonStockSharesOutstanding" xlink:to="lab_us-gaap_CommonStockSharesOutstanding" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DeferredCompensationArrangementWithIndividualRecordedLiability_636ff317-1bf9-4972-8987-ffa34ed7fbad_terseLabel_en-US" xlink:label="lab_us-gaap_DeferredCompensationArrangementWithIndividualRecordedLiability" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Deferred compensation obligation</link:label>
    <link:label id="lab_us-gaap_DeferredCompensationArrangementWithIndividualRecordedLiability_label_en-US" xlink:label="lab_us-gaap_DeferredCompensationArrangementWithIndividualRecordedLiability" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Deferred Compensation Arrangement with Individual, Recorded Liability</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredCompensationArrangementWithIndividualRecordedLiability" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DeferredCompensationArrangementWithIndividualRecordedLiability"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DeferredCompensationArrangementWithIndividualRecordedLiability" xlink:to="lab_us-gaap_DeferredCompensationArrangementWithIndividualRecordedLiability" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock_a70b3585-6fd2-4d1f-8346-8a4c88ca2d6c_terseLabel_en-US" xlink:label="lab_us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Stock-Based Compensation</link:label>
    <link:label id="lab_us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock_label_en-US" xlink:label="lab_us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of Compensation Related Costs, Share-based Payments [Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock" xlink:to="lab_us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ngs_InventoryCurrentAndNoncurrentNet_4db81e66-dbab-4033-b2f1-ca2f145d9e91_totalLabel_en-US" xlink:label="lab_ngs_InventoryCurrentAndNoncurrentNet" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Inventory, net</link:label>
    <link:label id="lab_ngs_InventoryCurrentAndNoncurrentNet_label_en-US" xlink:label="lab_ngs_InventoryCurrentAndNoncurrentNet" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Inventory, Current And Noncurrent, Net</link:label>
    <link:label id="lab_ngs_InventoryCurrentAndNoncurrentNet_documentation_en-US" xlink:label="lab_ngs_InventoryCurrentAndNoncurrentNet" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Inventory, Current And Noncurrent, Net</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ngs_InventoryCurrentAndNoncurrentNet" xlink:href="ngs-20180630.xsd#ngs_InventoryCurrentAndNoncurrentNet"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ngs_InventoryCurrentAndNoncurrentNet" xlink:to="lab_ngs_InventoryCurrentAndNoncurrentNet" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_PriorPeriodReclassificationAdjustmentDescription_fe11ce2f-2720-44a2-9f25-4d05f4c72c6a_terseLabel_en-US" xlink:label="lab_us-gaap_PriorPeriodReclassificationAdjustmentDescription" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Reclassification of Prior Period Balances</link:label>
    <link:label id="lab_us-gaap_PriorPeriodReclassificationAdjustmentDescription_label_en-US" xlink:label="lab_us-gaap_PriorPeriodReclassificationAdjustmentDescription" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Reclassification, Policy [Policy Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PriorPeriodReclassificationAdjustmentDescription" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PriorPeriodReclassificationAdjustmentDescription"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PriorPeriodReclassificationAdjustmentDescription" xlink:to="lab_us-gaap_PriorPeriodReclassificationAdjustmentDescription" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward_36176c5a-6497-400b-85ef-97796b3a285e_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Weighted AverageExercise&#160;Price</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_Goodwill_960f11ee-717e-4a37-81a6-273404b4abdc_terseLabel_en-US" xlink:label="lab_us-gaap_Goodwill" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Goodwill</link:label>
    <link:label id="lab_us-gaap_Goodwill_label_en-US" xlink:label="lab_us-gaap_Goodwill" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Goodwill</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Goodwill" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_Goodwill"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_Goodwill" xlink:to="lab_us-gaap_Goodwill" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ScheduleOfShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeTextBlock_6a432ae0-5078-478a-980e-a889ef49547a_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Summary of Stock Options Outstanding</link:label>
    <link:label id="lab_us-gaap_ScheduleOfShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeTextBlock_label_en-US" xlink:label="lab_us-gaap_ScheduleOfShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range [Table Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeTextBlock" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeTextBlock" xlink:to="lab_us-gaap_ScheduleOfShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1_167fa5b3-ed05-4de2-baf0-3fa492650731_terseLabel_en-US" xlink:label="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Exercisable</link:label>
    <link:label id="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1_label_en-US" xlink:label="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1" xlink:to="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ContractWithCustomerLiabilityRevenueRecognized_d2f95249-27e7-4da8-88ef-7bce73c9c2f8_terseLabel_en-US" xlink:label="lab_us-gaap_ContractWithCustomerLiabilityRevenueRecognized" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Revenue recognized</link:label>
    <link:label id="lab_us-gaap_ContractWithCustomerLiabilityRevenueRecognized_label_en-US" xlink:label="lab_us-gaap_ContractWithCustomerLiabilityRevenueRecognized" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Contract with Customer, Liability, Revenue Recognized</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerLiabilityRevenueRecognized" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ContractWithCustomerLiabilityRevenueRecognized"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ContractWithCustomerLiabilityRevenueRecognized" xlink:to="lab_us-gaap_ContractWithCustomerLiabilityRevenueRecognized" xlink:type="arc" order="1"/>
    <link:label id="lab_ngs_ServiceandMaintenanceMember_916a093e-21e2-4451-8555-c9da81ac3492_terseLabel_en-US" xlink:label="lab_ngs_ServiceandMaintenanceMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Service and maintenance</link:label>
    <link:label id="lab_ngs_ServiceandMaintenanceMember_label_en-US" xlink:label="lab_ngs_ServiceandMaintenanceMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Service and Maintenance [Member]</link:label>
    <link:label id="lab_ngs_ServiceandMaintenanceMember_documentation_en-US" xlink:label="lab_ngs_ServiceandMaintenanceMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Service and Maintenance [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ngs_ServiceandMaintenanceMember" xlink:href="ngs-20180630.xsd#ngs_ServiceandMaintenanceMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ngs_ServiceandMaintenanceMember" xlink:to="lab_ngs_ServiceandMaintenanceMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_94802d18-2328-4a45-a097-6363cb6368d9_periodStartLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Outstanding, beginning of period</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_93e80acd-8e9e-4013-89ba-8787df18370e_periodEndLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Outstanding, end of period</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_CostsAndExpensesAbstract_7edf4c6c-83e0-45f1-91a5-85402be3eb49_terseLabel_en-US" xlink:label="lab_us-gaap_CostsAndExpensesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Operating costs and expenses:</link:label>
    <link:label id="lab_us-gaap_CostsAndExpensesAbstract_label_en-US" xlink:label="lab_us-gaap_CostsAndExpensesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Costs and Expenses [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostsAndExpensesAbstract" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CostsAndExpensesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CostsAndExpensesAbstract" xlink:to="lab_us-gaap_CostsAndExpensesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInFinancingActivities_66bd057e-18d3-4382-b96d-0616f8c9d865_totalLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">NET CASH USED IN FINANCING ACTIVITIES</link:label>
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInFinancingActivities_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Net Cash Provided by (Used in) Financing Activities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:to="lab_us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_PreferredStockSharesOutstanding_174cabee-eec1-4897-af10-2a883a988ddb_terseLabel_en-US" xlink:label="lab_us-gaap_PreferredStockSharesOutstanding" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Preferred stock, shares outstanding</link:label>
    <link:label id="lab_us-gaap_PreferredStockSharesOutstanding_label_en-US" xlink:label="lab_us-gaap_PreferredStockSharesOutstanding" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Preferred Stock, Shares Outstanding</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockSharesOutstanding" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PreferredStockSharesOutstanding"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PreferredStockSharesOutstanding" xlink:to="lab_us-gaap_PreferredStockSharesOutstanding" xlink:type="arc" order="1"/>
    <link:label id="lab_ngs_RentalEquipmentNet_33eb4339-c108-4832-9766-1101af7a6de6_terseLabel_en-US" xlink:label="lab_ngs_RentalEquipmentNet" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Rental equipment, net of accumulated depreciation of $155,989 and $145,851, respectively</link:label>
    <link:label id="lab_ngs_RentalEquipmentNet_label_en-US" xlink:label="lab_ngs_RentalEquipmentNet" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Rental Equipment, Net</link:label>
    <link:label id="lab_ngs_RentalEquipmentNet_documentation_en-US" xlink:label="lab_ngs_RentalEquipmentNet" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Rental Equipment, Net</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ngs_RentalEquipmentNet" xlink:href="ngs-20180630.xsd#ngs_RentalEquipmentNet"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ngs_RentalEquipmentNet" xlink:to="lab_ngs_RentalEquipmentNet" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInOperatingActivities_7cbbacb7-b92a-4c81-b436-45187fc79d4b_totalLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">NET CASH PROVIDED BY OPERATING ACTIVITIES</link:label>
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInOperatingActivities_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Net Cash Provided by (Used in) Operating Activities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:to="lab_us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ChiefExecutiveOfficerMember_32838703-6254-4b82-bb41-1c96a4c6a61a_terseLabel_en-US" xlink:label="lab_us-gaap_ChiefExecutiveOfficerMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Chief Executive Officer</link:label>
    <link:label id="lab_us-gaap_ChiefExecutiveOfficerMember_label_en-US" xlink:label="lab_us-gaap_ChiefExecutiveOfficerMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Chief Executive Officer [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ChiefExecutiveOfficerMember" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ChiefExecutiveOfficerMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ChiefExecutiveOfficerMember" xlink:to="lab_us-gaap_ChiefExecutiveOfficerMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_7609f27e-7948-4941-87d7-f0bb666b16d7_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Schedule of Segment Reporting Information, by Segment [Table]</link:label>
    <link:label id="lab_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_label_en-US" xlink:label="lab_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Schedule of Segment Reporting Information, by Segment [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable" xlink:to="lab_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_0b4c400e-ba92-46e0-829c-dfe33a7a3e3c_periodStartLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Outstanding, beginning of period (in shares)</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_c45e89e6-9a4d-4e53-9c55-f81f3aab0ccf_periodEndLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Outstanding, end of period (in shares)</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_d6d442b4-a3e3-43f8-b8ae-f928ea91b665_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Prepaid expenses and prepaid income taxes</link:label>
    <link:label id="lab_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Increase (Decrease) in Prepaid Expense and Other Assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets" xlink:to="lab_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_EmployeeStockOptionMember_d2292da5-c85c-4c54-9151-6f128b82b4f9_terseLabel_en-US" xlink:label="lab_us-gaap_EmployeeStockOptionMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Stock Options</link:label>
    <link:label id="lab_us-gaap_EmployeeStockOptionMember_label_en-US" xlink:label="lab_us-gaap_EmployeeStockOptionMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Employee Stock Option [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeStockOptionMember" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EmployeeStockOptionMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EmployeeStockOptionMember" xlink:to="lab_us-gaap_EmployeeStockOptionMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ngs_ProceedsFromPurchaseCommitmentDiscountNet_5a8abec8-73cc-4aa2-8704-e569e5467f8e_terseLabel_en-US" xlink:label="lab_ngs_ProceedsFromPurchaseCommitmentDiscountNet" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Payments from other long-term liabilities, net</link:label>
    <link:label id="lab_ngs_ProceedsFromPurchaseCommitmentDiscountNet_label_en-US" xlink:label="lab_ngs_ProceedsFromPurchaseCommitmentDiscountNet" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Proceeds from Purchase Commitment Discount Net</link:label>
    <link:label id="lab_ngs_ProceedsFromPurchaseCommitmentDiscountNet_documentation_en-US" xlink:label="lab_ngs_ProceedsFromPurchaseCommitmentDiscountNet" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Proceeds from Purchase Commitment Discount Net</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ngs_ProceedsFromPurchaseCommitmentDiscountNet" xlink:href="ngs-20180630.xsd#ngs_ProceedsFromPurchaseCommitmentDiscountNet"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ngs_ProceedsFromPurchaseCommitmentDiscountNet" xlink:to="lab_ngs_ProceedsFromPurchaseCommitmentDiscountNet" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_OperatingIncomeLoss_64b26b78-0537-4726-ba7e-a7cacbf4b5bc_totalLabel_en-US" xlink:label="lab_us-gaap_OperatingIncomeLoss" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Operating income</link:label>
    <link:label id="lab_us-gaap_OperatingIncomeLoss_label_en-US" xlink:label="lab_us-gaap_OperatingIncomeLoss" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Operating Income (Loss)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OperatingIncomeLoss"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingIncomeLoss" xlink:to="lab_us-gaap_OperatingIncomeLoss" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod_f6c43f60-1f76-40b3-9018-46df66929f9f_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Canceled/Forfeited (in shares)</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_SalesRevenueNetAbstract_6a5a9b2e-834d-4363-8100-06cd8a303b83_terseLabel_en-US" xlink:label="lab_us-gaap_SalesRevenueNetAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Revenue:</link:label>
    <link:label id="lab_us-gaap_SalesRevenueNetAbstract_label_en-US" xlink:label="lab_us-gaap_SalesRevenueNetAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Revenue, Net [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SalesRevenueNetAbstract" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SalesRevenueNetAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SalesRevenueNetAbstract" xlink:to="lab_us-gaap_SalesRevenueNetAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis_2b75c4ee-a7ca-4ef0-a205-210566ead0f4_terseLabel_en-US" xlink:label="lab_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]</link:label>
    <link:label id="lab_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis_label_en-US" xlink:label="lab_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis" xlink:to="lab_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_StatementTable_86230161-2dba-48f4-8307-453620dfd786_terseLabel_en-US" xlink:label="lab_us-gaap_StatementTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Statement [Table]</link:label>
    <link:label id="lab_us-gaap_StatementTable_label_en-US" xlink:label="lab_us-gaap_StatementTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Statement [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementTable" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StatementTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StatementTable" xlink:to="lab_us-gaap_StatementTable" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_439c8ddc-17e4-4cfc-a73a-67c9a61513a8_terseLabel_en-US" xlink:label="lab_us-gaap_CommitmentsAndContingenciesDisclosureAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Commitments and Contingencies Disclosure [Abstract]</link:label>
    <link:label id="lab_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_label_en-US" xlink:label="lab_us-gaap_CommitmentsAndContingenciesDisclosureAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Commitments and Contingencies Disclosure [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommitmentsAndContingenciesDisclosureAbstract" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CommitmentsAndContingenciesDisclosureAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CommitmentsAndContingenciesDisclosureAbstract" xlink:to="lab_us-gaap_CommitmentsAndContingenciesDisclosureAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_8bee712d-2c2d-4921-8c13-9c9114b0f84e_terseLabel_en-US" xlink:label="lab_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Unrecognized compensation cost related to awards, weighted average period for recognition</link:label>
    <link:label id="lab_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_8665105c-f660-4726-b3a3-341ed2eb07bd_verboseLabel_en-US" xlink:label="lab_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Unrecognized compensation cost related to awards, vesting period</link:label>
    <link:label id="lab_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_label_en-US" xlink:label="lab_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1" xlink:to="lab_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_IncreaseDecreaseInInventories_6b7756d6-ba74-4b19-9f32-9d625b3f216b_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInInventories" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Inventory</link:label>
    <link:label id="lab_us-gaap_IncreaseDecreaseInInventories_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInInventories" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Increase (Decrease) in Inventories</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInInventories" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncreaseDecreaseInInventories"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncreaseDecreaseInInventories" xlink:to="lab_us-gaap_IncreaseDecreaseInInventories" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_eebc2866-fe27-49f6-b36b-efa89ed83436_terseLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Changes in operating assets and liabilities:</link:label>
    <link:label id="lab_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Increase (Decrease) in Operating Capital [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncreaseDecreaseInOperatingCapitalAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xlink:to="lab_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ngs_RangeTwoMember_4013ea10-e236-4ac3-aba0-96a4114baa14_terseLabel_en-US" xlink:label="lab_ngs_RangeTwoMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">$15.71-17.81</link:label>
    <link:label id="lab_ngs_RangeTwoMember_label_en-US" xlink:label="lab_ngs_RangeTwoMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Range Two [Member]</link:label>
    <link:label id="lab_ngs_RangeTwoMember_documentation_en-US" xlink:label="lab_ngs_RangeTwoMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Range Two [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ngs_RangeTwoMember" xlink:href="ngs-20180630.xsd#ngs_RangeTwoMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ngs_RangeTwoMember" xlink:to="lab_ngs_RangeTwoMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_RetainedEarningsAccumulatedDeficit_f42f6e29-7198-4fba-aa34-9d875848ea6e_terseLabel_en-US" xlink:label="lab_us-gaap_RetainedEarningsAccumulatedDeficit" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Retained earnings</link:label>
    <link:label id="lab_us-gaap_RetainedEarningsAccumulatedDeficit_label_en-US" xlink:label="lab_us-gaap_RetainedEarningsAccumulatedDeficit" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Retained Earnings (Accumulated Deficit)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedEarningsAccumulatedDeficit" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RetainedEarningsAccumulatedDeficit"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RetainedEarningsAccumulatedDeficit" xlink:to="lab_us-gaap_RetainedEarningsAccumulatedDeficit" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DebtDisclosureTextBlock_7aea86c4-5c4c-4be9-90a4-6b16cb6617db_terseLabel_en-US" xlink:label="lab_us-gaap_DebtDisclosureTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Credit Facility</link:label>
    <link:label id="lab_us-gaap_DebtDisclosureTextBlock_label_en-US" xlink:label="lab_us-gaap_DebtDisclosureTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Debt Disclosure [Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtDisclosureTextBlock" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DebtDisclosureTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtDisclosureTextBlock" xlink:to="lab_us-gaap_DebtDisclosureTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_d4b57c1d-7c00-43bc-b26c-f02bcd2dec7b_terseLabel_en-US" xlink:label="lab_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]</link:label>
    <link:label id="lab_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_label_en-US" xlink:label="lab_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems" xlink:to="lab_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_CommitmentsAndContingencies_d7ba9f5d-1a9f-4c10-82cf-5d5e573400a7_terseLabel_en-US" xlink:label="lab_us-gaap_CommitmentsAndContingencies" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Commitments and contingencies (Note 8)</link:label>
    <link:label id="lab_us-gaap_CommitmentsAndContingencies_label_en-US" xlink:label="lab_us-gaap_CommitmentsAndContingencies" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Commitments and Contingencies</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommitmentsAndContingencies" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CommitmentsAndContingencies"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CommitmentsAndContingencies" xlink:to="lab_us-gaap_CommitmentsAndContingencies" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_95ea13ca-c196-4fa1-8d62-a9224d4d3f45_terseLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">CASH FLOWS FROM OPERATING ACTIVITIES:</link:label>
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Net Cash Provided by (Used in) Operating Activities [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_LondonInterbankOfferedRateLIBORMember_59ac73a5-da28-4fdc-98ab-2dfdc5727761_terseLabel_en-US" xlink:label="lab_us-gaap_LondonInterbankOfferedRateLIBORMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">LIBOR Rate</link:label>
    <link:label id="lab_us-gaap_LondonInterbankOfferedRateLIBORMember_label_en-US" xlink:label="lab_us-gaap_LondonInterbankOfferedRateLIBORMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">London Interbank Offered Rate (LIBOR) [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LondonInterbankOfferedRateLIBORMember" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LondonInterbankOfferedRateLIBORMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LondonInterbankOfferedRateLIBORMember" xlink:to="lab_us-gaap_LondonInterbankOfferedRateLIBORMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_OtherNonoperatingIncomeExpense_dd190c35-ebd5-4827-a06c-50c010b5900e_terseLabel_en-US" xlink:label="lab_us-gaap_OtherNonoperatingIncomeExpense" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Other income, net</link:label>
    <link:label id="lab_us-gaap_OtherNonoperatingIncomeExpense_label_en-US" xlink:label="lab_us-gaap_OtherNonoperatingIncomeExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Other Nonoperating Income (Expense)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNonoperatingIncomeExpense" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherNonoperatingIncomeExpense"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherNonoperatingIncomeExpense" xlink:to="lab_us-gaap_OtherNonoperatingIncomeExpense" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_Liabilities_59e6eb91-71e9-4757-85d0-fa342ef37b1e_totalLabel_en-US" xlink:label="lab_us-gaap_Liabilities" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Total liabilities</link:label>
    <link:label id="lab_us-gaap_Liabilities_label_en-US" xlink:label="lab_us-gaap_Liabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Liabilities" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_Liabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_Liabilities" xlink:to="lab_us-gaap_Liabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_43aa5d7e-0dd1-4434-89ba-90f291aac76f_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table]</link:label>
    <link:label id="lab_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_label_en-US" xlink:label="lab_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable" xlink:to="lab_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTableTextBlock_c334ae30-d66e-49bd-a528-463ff56c9c6a_terseLabel_en-US" xlink:label="lab_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction</link:label>
    <link:label id="lab_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTableTextBlock_label_en-US" xlink:label="lab_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTableTextBlock" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTableTextBlock" xlink:to="lab_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ngs_CompressorRelatedMember_0eb7bbc9-23a5-4643-a836-a3fe15555c26_terseLabel_en-US" xlink:label="lab_ngs_CompressorRelatedMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Compressors - sales</link:label>
    <link:label id="lab_ngs_CompressorRelatedMember_label_en-US" xlink:label="lab_ngs_CompressorRelatedMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Compressor Related [Member]</link:label>
    <link:label id="lab_ngs_CompressorRelatedMember_documentation_en-US" xlink:label="lab_ngs_CompressorRelatedMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Compressor Related [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ngs_CompressorRelatedMember" xlink:href="ngs-20180630.xsd#ngs_CompressorRelatedMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ngs_CompressorRelatedMember" xlink:to="lab_ngs_CompressorRelatedMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_SupplementalCashFlowInformationAbstract_54e93b15-5a6d-484d-8727-5b5f25c6b697_terseLabel_en-US" xlink:label="lab_us-gaap_SupplementalCashFlowInformationAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION:</link:label>
    <link:label id="lab_us-gaap_SupplementalCashFlowInformationAbstract_label_en-US" xlink:label="lab_us-gaap_SupplementalCashFlowInformationAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Supplemental Cash Flow Information [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SupplementalCashFlowInformationAbstract" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SupplementalCashFlowInformationAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SupplementalCashFlowInformationAbstract" xlink:to="lab_us-gaap_SupplementalCashFlowInformationAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_EarningsPerShareBasic_341a801c-14bb-431e-9e2d-851624923beb_terseLabel_en-US" xlink:label="lab_us-gaap_EarningsPerShareBasic" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Basic (in USD per share)</link:label>
    <link:label id="lab_us-gaap_EarningsPerShareBasic_label_en-US" xlink:label="lab_us-gaap_EarningsPerShareBasic" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Earnings Per Share, Basic</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareBasic" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EarningsPerShareBasic"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EarningsPerShareBasic" xlink:to="lab_us-gaap_EarningsPerShareBasic" xlink:type="arc" order="1"/>
    <link:label id="lab_ngs_EmployeeServiceShareBasedCompensationNonvestedAwardsStockOptionsOutstandingRollForward_f522b8a4-6c57-4163-8c91-03e74b4fb1e4_terseLabel_en-US" xlink:label="lab_ngs_EmployeeServiceShareBasedCompensationNonvestedAwardsStockOptionsOutstandingRollForward" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Shares</link:label>
    <link:label id="lab_ngs_EmployeeServiceShareBasedCompensationNonvestedAwardsStockOptionsOutstandingRollForward_label_en-US" xlink:label="lab_ngs_EmployeeServiceShareBasedCompensationNonvestedAwardsStockOptionsOutstandingRollForward" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Employee Service Share-based Compensation, Nonvested Awards, Stock Options, Outstanding [Roll Forward]</link:label>
    <link:label id="lab_ngs_EmployeeServiceShareBasedCompensationNonvestedAwardsStockOptionsOutstandingRollForward_documentation_en-US" xlink:label="lab_ngs_EmployeeServiceShareBasedCompensationNonvestedAwardsStockOptionsOutstandingRollForward" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Employee Service Share-based Compensation, Nonvested Awards, Stock Options, Outstanding [Roll Forward]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ngs_EmployeeServiceShareBasedCompensationNonvestedAwardsStockOptionsOutstandingRollForward" xlink:href="ngs-20180630.xsd#ngs_EmployeeServiceShareBasedCompensationNonvestedAwardsStockOptionsOutstandingRollForward"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ngs_EmployeeServiceShareBasedCompensationNonvestedAwardsStockOptionsOutstandingRollForward" xlink:to="lab_ngs_EmployeeServiceShareBasedCompensationNonvestedAwardsStockOptionsOutstandingRollForward" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_3526403e-dfff-4515-a313-27809efc03d5_terseLabel_en-US" xlink:label="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Basic (in shares)</link:label>
    <link:label id="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_7593647d-3468-4e40-8852-d2bc7010836e_verboseLabel_en-US" xlink:label="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Weighted average common shares outstanding (in shares)</link:label>
    <link:label id="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_label_en-US" xlink:label="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Weighted Average Number of Shares Outstanding, Basic</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:to="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DeferredCompensationArrangementWithIndividualSharesIssued_67b521d4-b32d-46ca-93db-13b7d2cb7abf_terseLabel_en-US" xlink:label="lab_us-gaap_DeferredCompensationArrangementWithIndividualSharesIssued" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Deferred compensation arrangement with individual, shares issued (in shares)</link:label>
    <link:label id="lab_us-gaap_DeferredCompensationArrangementWithIndividualSharesIssued_label_en-US" xlink:label="lab_us-gaap_DeferredCompensationArrangementWithIndividualSharesIssued" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Deferred Compensation Arrangement with Individual, Shares Issued</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredCompensationArrangementWithIndividualSharesIssued" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DeferredCompensationArrangementWithIndividualSharesIssued"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DeferredCompensationArrangementWithIndividualSharesIssued" xlink:to="lab_us-gaap_DeferredCompensationArrangementWithIndividualSharesIssued" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_DocumentPeriodEndDate_e9e8046f-bcec-4eef-bde8-64ef8300b1e9_terseLabel_en-US" xlink:label="lab_dei_DocumentPeriodEndDate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Document Period End Date</link:label>
    <link:label id="lab_dei_DocumentPeriodEndDate_label_en-US" xlink:label="lab_dei_DocumentPeriodEndDate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Document Period End Date</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentPeriodEndDate" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_DocumentPeriodEndDate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_DocumentPeriodEndDate" xlink:to="lab_dei_DocumentPeriodEndDate" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingBasicAbstract_885b0e4c-4d31-443a-adf7-32c776d82c82_terseLabel_en-US" xlink:label="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingBasicAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Denominator for basic net income per common share:</link:label>
    <link:label id="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingBasicAbstract_label_en-US" xlink:label="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingBasicAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Weighted Average Number of Shares Outstanding, Basic [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasicAbstract" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasicAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasicAbstract" xlink:to="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingBasicAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ngs_LineOfCreditFacilityCurrentBorrowingCapacityComponentPercentageOfEligibleGeneralInventory_6e30586a-5fff-4dc0-8a4b-ee82dab8b1c9_terseLabel_en-US" xlink:label="lab_ngs_LineOfCreditFacilityCurrentBorrowingCapacityComponentPercentageOfEligibleGeneralInventory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Borrowing base, component, % of eligible inventory</link:label>
    <link:label id="lab_ngs_LineOfCreditFacilityCurrentBorrowingCapacityComponentPercentageOfEligibleGeneralInventory_label_en-US" xlink:label="lab_ngs_LineOfCreditFacilityCurrentBorrowingCapacityComponentPercentageOfEligibleGeneralInventory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Line of Credit Facility, Current Borrowing Capacity, Component, Percentage of Eligible General Inventory</link:label>
    <link:label id="lab_ngs_LineOfCreditFacilityCurrentBorrowingCapacityComponentPercentageOfEligibleGeneralInventory_documentation_en-US" xlink:label="lab_ngs_LineOfCreditFacilityCurrentBorrowingCapacityComponentPercentageOfEligibleGeneralInventory" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Line of Credit Facility, Current Borrowing Capacity, Component, Percentage of Eligible General Inventory</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ngs_LineOfCreditFacilityCurrentBorrowingCapacityComponentPercentageOfEligibleGeneralInventory" xlink:href="ngs-20180630.xsd#ngs_LineOfCreditFacilityCurrentBorrowingCapacityComponentPercentageOfEligibleGeneralInventory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ngs_LineOfCreditFacilityCurrentBorrowingCapacityComponentPercentageOfEligibleGeneralInventory" xlink:to="lab_ngs_LineOfCreditFacilityCurrentBorrowingCapacityComponentPercentageOfEligibleGeneralInventory" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_068e6605-0231-49f0-b4d6-32b095e19c1a_terseLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">CASH FLOWS FROM FINANCING ACTIVITIES:</link:label>
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Net Cash Provided by (Used in) Financing Activities [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:to="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_SegmentReportingInformationLineItems_647eab9a-c143-4462-acd1-0466fe0b5103_terseLabel_en-US" xlink:label="lab_us-gaap_SegmentReportingInformationLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Segment Reporting Information [Line Items]</link:label>
    <link:label id="lab_us-gaap_SegmentReportingInformationLineItems_label_en-US" xlink:label="lab_us-gaap_SegmentReportingInformationLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Segment Reporting Information [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentReportingInformationLineItems" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SegmentReportingInformationLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems" xlink:to="lab_us-gaap_SegmentReportingInformationLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_AllocatedShareBasedCompensationExpense_af83b816-5b79-472c-ac80-810b66de5641_terseLabel_en-US" xlink:label="lab_us-gaap_AllocatedShareBasedCompensationExpense" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Share-based compensation expense</link:label>
    <link:label id="lab_us-gaap_AllocatedShareBasedCompensationExpense_label_en-US" xlink:label="lab_us-gaap_AllocatedShareBasedCompensationExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Allocated Share-based Compensation Expense</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllocatedShareBasedCompensationExpense" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AllocatedShareBasedCompensationExpense"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AllocatedShareBasedCompensationExpense" xlink:to="lab_us-gaap_AllocatedShareBasedCompensationExpense" xlink:type="arc" order="1"/>
    <link:label id="lab_ngs_RentalMember_2d0801d2-7dee-4e2d-a66f-551c8d5321b7_terseLabel_en-US" xlink:label="lab_ngs_RentalMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Rental</link:label>
    <link:label id="lab_ngs_RentalMember_label_en-US" xlink:label="lab_ngs_RentalMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Rental [Member]</link:label>
    <link:label id="lab_ngs_RentalMember_documentation_en-US" xlink:label="lab_ngs_RentalMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Rental [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ngs_RentalMember" xlink:href="ngs-20180630.xsd#ngs_RentalMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ngs_RentalMember" xlink:to="lab_ngs_RentalMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_RevolvingCreditFacilityMember_a25760de-13a8-4cad-9e0e-3039e29dacf5_terseLabel_en-US" xlink:label="lab_us-gaap_RevolvingCreditFacilityMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Revolving Credit Facility</link:label>
    <link:label id="lab_us-gaap_RevolvingCreditFacilityMember_label_en-US" xlink:label="lab_us-gaap_RevolvingCreditFacilityMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Revolving Credit Facility [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevolvingCreditFacilityMember" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RevolvingCreditFacilityMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RevolvingCreditFacilityMember" xlink:to="lab_us-gaap_RevolvingCreditFacilityMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ngs_DeferredCompensationArrangementwithIndividualMaximumAnnualContributionsPerEmployeePercent_6b30ca67-8da8-4f5f-be16-9dce2cf5e21a_terseLabel_en-US" xlink:label="lab_ngs_DeferredCompensationArrangementwithIndividualMaximumAnnualContributionsPerEmployeePercent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Participant's maximum compensation deferral percentage</link:label>
    <link:label id="lab_ngs_DeferredCompensationArrangementwithIndividualMaximumAnnualContributionsPerEmployeePercent_label_en-US" xlink:label="lab_ngs_DeferredCompensationArrangementwithIndividualMaximumAnnualContributionsPerEmployeePercent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Deferred Compensation Arrangement with Individual, Maximum Annual Contributions Per Employee, Percent</link:label>
    <link:label id="lab_ngs_DeferredCompensationArrangementwithIndividualMaximumAnnualContributionsPerEmployeePercent_documentation_en-US" xlink:label="lab_ngs_DeferredCompensationArrangementwithIndividualMaximumAnnualContributionsPerEmployeePercent" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Deferred Compensation Arrangement with Individual, Maximum Annual Contributions Per Employee, Percent</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ngs_DeferredCompensationArrangementwithIndividualMaximumAnnualContributionsPerEmployeePercent" xlink:href="ngs-20180630.xsd#ngs_DeferredCompensationArrangementwithIndividualMaximumAnnualContributionsPerEmployeePercent"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ngs_DeferredCompensationArrangementwithIndividualMaximumAnnualContributionsPerEmployeePercent" xlink:to="lab_ngs_DeferredCompensationArrangementwithIndividualMaximumAnnualContributionsPerEmployeePercent" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity_ab6e6d32-3237-4dff-b50a-a4ab909a3af6_terseLabel_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Borrowing base amount available</link:label>
    <link:label id="lab_us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity_label_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Line of Credit Facility, Current Borrowing Capacity</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity" xlink:to="lab_us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_CorporateNonSegmentMember_76c12786-c57a-4832-bf74-66c40a5c7c8a_terseLabel_en-US" xlink:label="lab_us-gaap_CorporateNonSegmentMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Corporate</link:label>
    <link:label id="lab_us-gaap_CorporateNonSegmentMember_label_en-US" xlink:label="lab_us-gaap_CorporateNonSegmentMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Corporate, Non-Segment [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CorporateNonSegmentMember" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CorporateNonSegmentMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CorporateNonSegmentMember" xlink:to="lab_us-gaap_CorporateNonSegmentMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DisaggregationOfRevenueTable_629fa5cf-9f2a-4998-9324-58ddd0b45e9b_terseLabel_en-US" xlink:label="lab_us-gaap_DisaggregationOfRevenueTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disaggregation of Revenue [Table]</link:label>
    <link:label id="lab_us-gaap_DisaggregationOfRevenueTable_label_en-US" xlink:label="lab_us-gaap_DisaggregationOfRevenueTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disaggregation of Revenue [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisaggregationOfRevenueTable" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DisaggregationOfRevenueTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable" xlink:to="lab_us-gaap_DisaggregationOfRevenueTable" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_CommonStockValue_967b85ae-da1e-4a2c-993b-621b9498ac5c_terseLabel_en-US" xlink:label="lab_us-gaap_CommonStockValue" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Common stock, 30,000 shares authorized, par value $0.01; 12,968 and 12,880 shares issued and outstanding, respectively</link:label>
    <link:label id="lab_us-gaap_CommonStockValue_label_en-US" xlink:label="lab_us-gaap_CommonStockValue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Common Stock, Value, Issued</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockValue" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CommonStockValue"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CommonStockValue" xlink:to="lab_us-gaap_CommonStockValue" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_AssetsAbstract_e5876475-2ed3-44ca-afa5-65d0872ec867_terseLabel_en-US" xlink:label="lab_us-gaap_AssetsAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">ASSETS</link:label>
    <link:label id="lab_us-gaap_AssetsAbstract_label_en-US" xlink:label="lab_us-gaap_AssetsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Assets [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsAbstract" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AssetsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AssetsAbstract" xlink:to="lab_us-gaap_AssetsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ConsolidationItemsDomain_e2133987-081d-4e6e-be29-491335e60630_terseLabel_en-US" xlink:label="lab_us-gaap_ConsolidationItemsDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Consolidation Items [Domain]</link:label>
    <link:label id="lab_us-gaap_ConsolidationItemsDomain_label_en-US" xlink:label="lab_us-gaap_ConsolidationItemsDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Consolidation Items [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConsolidationItemsDomain" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ConsolidationItemsDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ConsolidationItemsDomain" xlink:to="lab_us-gaap_ConsolidationItemsDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_RangeAxis_3d53cb39-c259-4586-bb9e-fa5a49c576f4_terseLabel_en-US" xlink:label="lab_us-gaap_RangeAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Range [Axis]</link:label>
    <link:label id="lab_us-gaap_RangeAxis_label_en-US" xlink:label="lab_us-gaap_RangeAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Range [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RangeAxis" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RangeAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RangeAxis" xlink:to="lab_us-gaap_RangeAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_PreferredStockSharesAuthorized_c1344863-bf1e-4589-ae27-a05d0ac045dd_terseLabel_en-US" xlink:label="lab_us-gaap_PreferredStockSharesAuthorized" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Preferred stock, shares authorized</link:label>
    <link:label id="lab_us-gaap_PreferredStockSharesAuthorized_label_en-US" xlink:label="lab_us-gaap_PreferredStockSharesAuthorized" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Preferred Stock, Shares Authorized</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockSharesAuthorized" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PreferredStockSharesAuthorized"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PreferredStockSharesAuthorized" xlink:to="lab_us-gaap_PreferredStockSharesAuthorized" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_617787bc-f84e-4ced-a7c4-98be06c1a9d8_terseLabel_en-US" xlink:label="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Cash and cash equivalents</link:label>
    <link:label id="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_2a3cc8cf-e2b3-47b3-a649-e3613cb126f9_periodStartLabel_en-US" xlink:label="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD</link:label>
    <link:label id="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_e4b92236-eded-4f39-b198-f4356e62ca1b_periodEndLabel_en-US" xlink:label="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">CASH AND CASH EQUIVALENTS AT END OF PERIOD</link:label>
    <link:label id="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_label_en-US" xlink:label="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Cash and Cash Equivalents, at Carrying Value</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:to="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_BasisOfAccountingPolicyPolicyTextBlock_fdc6e61f-caa7-444a-90af-eb42bf050208_terseLabel_en-US" xlink:label="lab_us-gaap_BasisOfAccountingPolicyPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Basis of Accounting</link:label>
    <link:label id="lab_us-gaap_BasisOfAccountingPolicyPolicyTextBlock_label_en-US" xlink:label="lab_us-gaap_BasisOfAccountingPolicyPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Basis of Accounting, Policy [Policy Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BasisOfAccountingPolicyPolicyTextBlock" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_BasisOfAccountingPolicyPolicyTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_BasisOfAccountingPolicyPolicyTextBlock" xlink:to="lab_us-gaap_BasisOfAccountingPolicyPolicyTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1_bfeab045-2d81-434a-a897-c7ef86c3f3b7_terseLabel_en-US" xlink:label="lab_us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Options outstanding, weighted average exercise price (in USD per share)</link:label>
    <link:label id="lab_us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1_label_en-US" xlink:label="lab_us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Outstanding Options, Weighted Average Exercise Price</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1" xlink:to="lab_us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DirectorMember_3152237b-9e26-49c0-8cd4-ae4d7da64110_terseLabel_en-US" xlink:label="lab_us-gaap_DirectorMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Directors</link:label>
    <link:label id="lab_us-gaap_DirectorMember_label_en-US" xlink:label="lab_us-gaap_DirectorMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Director [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DirectorMember" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DirectorMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DirectorMember" xlink:to="lab_us-gaap_DirectorMember" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_DocumentFiscalYearFocus_a43a56e9-7405-41d6-ad3c-8c2d92713e4f_terseLabel_en-US" xlink:label="lab_dei_DocumentFiscalYearFocus" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Document Fiscal Year Focus</link:label>
    <link:label id="lab_dei_DocumentFiscalYearFocus_label_en-US" xlink:label="lab_dei_DocumentFiscalYearFocus" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Document Fiscal Year Focus</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentFiscalYearFocus" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_DocumentFiscalYearFocus"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_DocumentFiscalYearFocus" xlink:to="lab_dei_DocumentFiscalYearFocus" xlink:type="arc" order="1"/>
    <link:label id="lab_ngs_FlaresRelatedMember_d8cfb032-cb22-450b-bc1f-9a508441a8b0_terseLabel_en-US" xlink:label="lab_ngs_FlaresRelatedMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Flares - sales</link:label>
    <link:label id="lab_ngs_FlaresRelatedMember_label_en-US" xlink:label="lab_ngs_FlaresRelatedMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Flares Related [Member]</link:label>
    <link:label id="lab_ngs_FlaresRelatedMember_documentation_en-US" xlink:label="lab_ngs_FlaresRelatedMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Flares Related [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ngs_FlaresRelatedMember" xlink:href="ngs-20180630.xsd#ngs_FlaresRelatedMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ngs_FlaresRelatedMember" xlink:to="lab_ngs_FlaresRelatedMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_PostemploymentBenefitsAbstract_label_en-US" xlink:label="lab_us-gaap_PostemploymentBenefitsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Postemployment Benefits [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PostemploymentBenefitsAbstract" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PostemploymentBenefitsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PostemploymentBenefitsAbstract" xlink:to="lab_us-gaap_PostemploymentBenefitsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_Assets_e0215d14-7ca5-459b-a41e-c59ef7c6987b_totalLabel_en-US" xlink:label="lab_us-gaap_Assets" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Total assets</link:label>
    <link:label id="lab_us-gaap_Assets_label_en-US" xlink:label="lab_us-gaap_Assets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Assets" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_Assets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_Assets" xlink:to="lab_us-gaap_Assets" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_StockholdersEquityAbstract_463c7e54-de8f-468a-beef-fb3c3372d5eb_verboseLabel_en-US" xlink:label="lab_us-gaap_StockholdersEquityAbstract" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Stockholders&#8217; Equity:</link:label>
    <link:label id="lab_us-gaap_StockholdersEquityAbstract_label_en-US" xlink:label="lab_us-gaap_StockholdersEquityAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Stockholders' Equity Attributable to Parent [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityAbstract" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StockholdersEquityAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StockholdersEquityAbstract" xlink:to="lab_us-gaap_StockholdersEquityAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_AccountsReceivableGrossCurrent_5ff7ace3-0586-45b0-9168-2e23eaa41277_totalLabel_en-US" xlink:label="lab_us-gaap_AccountsReceivableGrossCurrent" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Total Accounts Receivable</link:label>
    <link:label id="lab_us-gaap_AccountsReceivableGrossCurrent_label_en-US" xlink:label="lab_us-gaap_AccountsReceivableGrossCurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Accounts Receivable, Gross, Current</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableGrossCurrent" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AccountsReceivableGrossCurrent"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccountsReceivableGrossCurrent" xlink:to="lab_us-gaap_AccountsReceivableGrossCurrent" xlink:type="arc" order="1"/>
    <link:label id="lab_ngs_LineofCreditFacilityCommitmentCoverageRatio_8b44e196-2fc7-4ca4-9837-2df3ac088568_terseLabel_en-US" xlink:label="lab_ngs_LineofCreditFacilityCommitmentCoverageRatio" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Minimum commitment coverage ratio allowed</link:label>
    <link:label id="lab_ngs_LineofCreditFacilityCommitmentCoverageRatio_label_en-US" xlink:label="lab_ngs_LineofCreditFacilityCommitmentCoverageRatio" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Line of Credit Facility, Commitment Coverage Ratio</link:label>
    <link:label id="lab_ngs_LineofCreditFacilityCommitmentCoverageRatio_documentation_en-US" xlink:label="lab_ngs_LineofCreditFacilityCommitmentCoverageRatio" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Line of Credit Facility, Minimum Commitment Coverage Ratio Allowed</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ngs_LineofCreditFacilityCommitmentCoverageRatio" xlink:href="ngs-20180630.xsd#ngs_LineofCreditFacilityCommitmentCoverageRatio"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ngs_LineofCreditFacilityCommitmentCoverageRatio" xlink:to="lab_ngs_LineofCreditFacilityCommitmentCoverageRatio" xlink:type="arc" order="1"/>
    <link:label id="lab_ngs_WeightedAverageSharesOutstandingBasicAndDilutedAbstract_b39b08f6-24c6-4b04-9fc7-5fc54ced844b_terseLabel_en-US" xlink:label="lab_ngs_WeightedAverageSharesOutstandingBasicAndDilutedAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Weighted average shares outstanding:</link:label>
    <link:label id="lab_ngs_WeightedAverageSharesOutstandingBasicAndDilutedAbstract_label_en-US" xlink:label="lab_ngs_WeightedAverageSharesOutstandingBasicAndDilutedAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Weighted Average Shares Outstanding Basic and Diluted [Abstract]</link:label>
    <link:label id="lab_ngs_WeightedAverageSharesOutstandingBasicAndDilutedAbstract_documentation_en-US" xlink:label="lab_ngs_WeightedAverageSharesOutstandingBasicAndDilutedAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Weighted Average Shares Outstanding Basic and Diluted [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ngs_WeightedAverageSharesOutstandingBasicAndDilutedAbstract" xlink:href="ngs-20180630.xsd#ngs_WeightedAverageSharesOutstandingBasicAndDilutedAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ngs_WeightedAverageSharesOutstandingBasicAndDilutedAbstract" xlink:to="lab_ngs_WeightedAverageSharesOutstandingBasicAndDilutedAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_TitleOfIndividualAxis_0443ae80-0f5f-46b3-91c9-9a4f2bc95762_terseLabel_en-US" xlink:label="lab_us-gaap_TitleOfIndividualAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Title of Individual [Axis]</link:label>
    <link:label id="lab_us-gaap_TitleOfIndividualAxis_label_en-US" xlink:label="lab_us-gaap_TitleOfIndividualAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Title of Individual [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TitleOfIndividualAxis" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_TitleOfIndividualAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_TitleOfIndividualAxis" xlink:to="lab_us-gaap_TitleOfIndividualAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DirectCostsOfLeasedAndRentedPropertyOrEquipment_99ab70a1-58cc-4c12-b92c-6396518b3ebd_terseLabel_en-US" xlink:label="lab_us-gaap_DirectCostsOfLeasedAndRentedPropertyOrEquipment" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Cost of rentals, exclusive of depreciation stated separately below</link:label>
    <link:label id="lab_us-gaap_DirectCostsOfLeasedAndRentedPropertyOrEquipment_label_en-US" xlink:label="lab_us-gaap_DirectCostsOfLeasedAndRentedPropertyOrEquipment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Direct Costs of Leased and Rented Property or Equipment</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DirectCostsOfLeasedAndRentedPropertyOrEquipment" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DirectCostsOfLeasedAndRentedPropertyOrEquipment"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DirectCostsOfLeasedAndRentedPropertyOrEquipment" xlink:to="lab_us-gaap_DirectCostsOfLeasedAndRentedPropertyOrEquipment" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1_7217db2e-05ce-4545-8af6-77f8a58473ec_terseLabel_en-US" xlink:label="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Exercisable</link:label>
    <link:label id="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1_label_en-US" xlink:label="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1" xlink:to="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit_cfeca577-e4fa-48ff-9a33-e598ed1b2ef8_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Range of exercise prices, lower limit (in USD per share)</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit_16742e85-360a-4f3c-b52b-076ecf4a0ab3_verboseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Exercise price of shares not included in the computation of dilutive income per share, lower limit (in USD per share)</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Lower Range Limit</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit" xlink:to="lab_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_RevenueRemainingPerformanceObligation_85721d40-a55b-4677-afeb-843e936433bd_terseLabel_en-US" xlink:label="lab_us-gaap_RevenueRemainingPerformanceObligation" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Service and Maintenance</link:label>
    <link:label id="lab_us-gaap_RevenueRemainingPerformanceObligation_label_en-US" xlink:label="lab_us-gaap_RevenueRemainingPerformanceObligation" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Revenue, Remaining Performance Obligation</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligation" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RevenueRemainingPerformanceObligation"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RevenueRemainingPerformanceObligation" xlink:to="lab_us-gaap_RevenueRemainingPerformanceObligation" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock_c17f97d4-95d9-4a98-a74f-9de722614a48_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Schedule of Segment Reporting Information</link:label>
    <link:label id="lab_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock_label_en-US" xlink:label="lab_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Schedule of Segment Reporting Information, by Segment [Table Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock" xlink:to="lab_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis_187d9a81-312b-4f35-b286-2e73dd37aa01_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Exercise Price Range [Axis]</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Exercise Price Range [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis" xlink:to="lab_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_DocumentFiscalPeriodFocus_a1521098-dbff-4288-8943-919235148d59_terseLabel_en-US" xlink:label="lab_dei_DocumentFiscalPeriodFocus" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Document Fiscal Period Focus</link:label>
    <link:label id="lab_dei_DocumentFiscalPeriodFocus_label_en-US" xlink:label="lab_dei_DocumentFiscalPeriodFocus" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Document Fiscal Period Focus</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentFiscalPeriodFocus" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_DocumentFiscalPeriodFocus"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_DocumentFiscalPeriodFocus" xlink:to="lab_dei_DocumentFiscalPeriodFocus" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DeferredIncomeTaxExpenseBenefit_bfe80f02-1c51-48fe-b1db-17209e1321aa_terseLabel_en-US" xlink:label="lab_us-gaap_DeferredIncomeTaxExpenseBenefit" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Deferred income taxes</link:label>
    <link:label id="lab_us-gaap_DeferredIncomeTaxExpenseBenefit_label_en-US" xlink:label="lab_us-gaap_DeferredIncomeTaxExpenseBenefit" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Deferred Income Tax Expense (Benefit)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxExpenseBenefit" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DeferredIncomeTaxExpenseBenefit"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DeferredIncomeTaxExpenseBenefit" xlink:to="lab_us-gaap_DeferredIncomeTaxExpenseBenefit" xlink:type="arc" order="1"/>
    <link:label id="lab_ngs_LineOfCreditFacilityCurrentBorrowingCapacityComponentPercentageOfEligibleEquipmentInventory_451b0a78-a732-4b36-a78a-af518ee179f8_terseLabel_en-US" xlink:label="lab_ngs_LineOfCreditFacilityCurrentBorrowingCapacityComponentPercentageOfEligibleEquipmentInventory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Borrowing base, component, % of eligible equipment inventory</link:label>
    <link:label id="lab_ngs_LineOfCreditFacilityCurrentBorrowingCapacityComponentPercentageOfEligibleEquipmentInventory_label_en-US" xlink:label="lab_ngs_LineOfCreditFacilityCurrentBorrowingCapacityComponentPercentageOfEligibleEquipmentInventory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Line of Credit Facility, Current Borrowing Capacity, Component, Percentage of Eligible Equipment Inventory</link:label>
    <link:label id="lab_ngs_LineOfCreditFacilityCurrentBorrowingCapacityComponentPercentageOfEligibleEquipmentInventory_documentation_en-US" xlink:label="lab_ngs_LineOfCreditFacilityCurrentBorrowingCapacityComponentPercentageOfEligibleEquipmentInventory" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Line of Credit Facility, Current Borrowing Capacity, Component, Percentage of Eligible Equipment Inventory</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ngs_LineOfCreditFacilityCurrentBorrowingCapacityComponentPercentageOfEligibleEquipmentInventory" xlink:href="ngs-20180630.xsd#ngs_LineOfCreditFacilityCurrentBorrowingCapacityComponentPercentageOfEligibleEquipmentInventory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ngs_LineOfCreditFacilityCurrentBorrowingCapacityComponentPercentageOfEligibleEquipmentInventory" xlink:to="lab_ngs_LineOfCreditFacilityCurrentBorrowingCapacityComponentPercentageOfEligibleEquipmentInventory" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_DocumentType_9ac6097b-70ff-49a0-b634-73a94d1e6c06_terseLabel_en-US" xlink:label="lab_dei_DocumentType" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Document Type</link:label>
    <link:label id="lab_dei_DocumentType_label_en-US" xlink:label="lab_dei_DocumentType" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Document Type</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentType" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_DocumentType"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_DocumentType" xlink:to="lab_dei_DocumentType" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_OtherAssetsNoncurrent_adc55b2d-8024-4d82-943a-726e93cfc692_terseLabel_en-US" xlink:label="lab_us-gaap_OtherAssetsNoncurrent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Other assets</link:label>
    <link:label id="lab_us-gaap_OtherAssetsNoncurrent_label_en-US" xlink:label="lab_us-gaap_OtherAssetsNoncurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Other Assets, Noncurrent</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetsNoncurrent" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherAssetsNoncurrent"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherAssetsNoncurrent" xlink:to="lab_us-gaap_OtherAssetsNoncurrent" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageRemainingContractualTerm2_98bf5ce5-576f-474a-84cf-b4e755ebdd98_terseLabel_en-US" xlink:label="lab_us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageRemainingContractualTerm2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Options outstanding, weighted average remaining contractual life (years)</link:label>
    <link:label id="lab_us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageRemainingContractualTerm2_label_en-US" xlink:label="lab_us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageRemainingContractualTerm2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Outstanding Options, Weighted Average Remaining Contractual Term</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageRemainingContractualTerm2" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageRemainingContractualTerm2"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageRemainingContractualTerm2" xlink:to="lab_us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageRemainingContractualTerm2" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_PreferredStockSharesIssued_e550b4a0-f059-40fa-9705-7ca33afb78d3_terseLabel_en-US" xlink:label="lab_us-gaap_PreferredStockSharesIssued" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Preferred stock, shares issued</link:label>
    <link:label id="lab_us-gaap_PreferredStockSharesIssued_label_en-US" xlink:label="lab_us-gaap_PreferredStockSharesIssued" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Preferred Stock, Shares Issued</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockSharesIssued" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PreferredStockSharesIssued"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PreferredStockSharesIssued" xlink:to="lab_us-gaap_PreferredStockSharesIssued" xlink:type="arc" order="1"/>
    <link:label id="lab_ngs_LineOfCreditFacilityDefaultTriggerRenderingOfCertainJudgmentsAmount_ecc274cc-1f0b-45c1-9c1b-7987be5e6d7a_terseLabel_en-US" xlink:label="lab_ngs_LineOfCreditFacilityDefaultTriggerRenderingOfCertainJudgmentsAmount" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Default trigger, rendering of certain judgments, amount</link:label>
    <link:label id="lab_ngs_LineOfCreditFacilityDefaultTriggerRenderingOfCertainJudgmentsAmount_label_en-US" xlink:label="lab_ngs_LineOfCreditFacilityDefaultTriggerRenderingOfCertainJudgmentsAmount" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Line of Credit Facility, Default Trigger, Rendering of Certain Judgments, Amount</link:label>
    <link:label id="lab_ngs_LineOfCreditFacilityDefaultTriggerRenderingOfCertainJudgmentsAmount_documentation_en-US" xlink:label="lab_ngs_LineOfCreditFacilityDefaultTriggerRenderingOfCertainJudgmentsAmount" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Line of Credit Facility, Default Trigger, Rendering of Certain Judgments, Amount</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ngs_LineOfCreditFacilityDefaultTriggerRenderingOfCertainJudgmentsAmount" xlink:href="ngs-20180630.xsd#ngs_LineOfCreditFacilityDefaultTriggerRenderingOfCertainJudgmentsAmount"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ngs_LineOfCreditFacilityDefaultTriggerRenderingOfCertainJudgmentsAmount" xlink:to="lab_ngs_LineOfCreditFacilityDefaultTriggerRenderingOfCertainJudgmentsAmount" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInInvestingActivities_6949f11f-b3b5-4513-8e32-c18288f69fee_totalLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">NET CASH USED IN INVESTING ACTIVITIES</link:label>
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInInvestingActivities_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Net Cash Provided by (Used in) Investing Activities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:to="lab_us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_IncomeStatementAbstract_label_en-US" xlink:label="lab_us-gaap_IncomeStatementAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Income Statement [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementAbstract" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncomeStatementAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeStatementAbstract" xlink:to="lab_us-gaap_IncomeStatementAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ngs_DeferredCompensationArrangementwithIndividualDeferredRestrictedStock_211cc3ba-c836-43e6-b6e4-014563cb66ef_terseLabel_en-US" xlink:label="lab_ngs_DeferredCompensationArrangementwithIndividualDeferredRestrictedStock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Deferred restricted stock shares (in shares)</link:label>
    <link:label id="lab_ngs_DeferredCompensationArrangementwithIndividualDeferredRestrictedStock_label_en-US" xlink:label="lab_ngs_DeferredCompensationArrangementwithIndividualDeferredRestrictedStock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Deferred Compensation Arrangement with Individual, Deferred Restricted Stock</link:label>
    <link:label id="lab_ngs_DeferredCompensationArrangementwithIndividualDeferredRestrictedStock_documentation_en-US" xlink:label="lab_ngs_DeferredCompensationArrangementwithIndividualDeferredRestrictedStock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Deferred Compensation Arrangement with Individual, Deferred Restricted Stock</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ngs_DeferredCompensationArrangementwithIndividualDeferredRestrictedStock" xlink:href="ngs-20180630.xsd#ngs_DeferredCompensationArrangementwithIndividualDeferredRestrictedStock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ngs_DeferredCompensationArrangementwithIndividualDeferredRestrictedStock" xlink:to="lab_ngs_DeferredCompensationArrangementwithIndividualDeferredRestrictedStock" xlink:type="arc" order="1"/>
    <link:label id="lab_ngs_IntangibleAssetsAccumulatedAmortization_a5452428-0cb2-4781-8368-036fd575723a_terseLabel_en-US" xlink:label="lab_ngs_IntangibleAssetsAccumulatedAmortization" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Accumulated amortization, intangibles</link:label>
    <link:label id="lab_ngs_IntangibleAssetsAccumulatedAmortization_label_en-US" xlink:label="lab_ngs_IntangibleAssetsAccumulatedAmortization" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Intangible Assets, Accumulated Amortization</link:label>
    <link:label id="lab_ngs_IntangibleAssetsAccumulatedAmortization_documentation_en-US" xlink:label="lab_ngs_IntangibleAssetsAccumulatedAmortization" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Intangible Assets, Accumulated Amortization encompasses both finite-lived and indefinite-lived intangible assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ngs_IntangibleAssetsAccumulatedAmortization" xlink:href="ngs-20180630.xsd#ngs_IntangibleAssetsAccumulatedAmortization"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ngs_IntangibleAssetsAccumulatedAmortization" xlink:to="lab_ngs_IntangibleAssetsAccumulatedAmortization" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_EarningsPerShareDiluted_2194d0a5-7aa1-4dd5-a470-a899930f6fda_terseLabel_en-US" xlink:label="lab_us-gaap_EarningsPerShareDiluted" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Diluted (in USD per share)</link:label>
    <link:label id="lab_us-gaap_EarningsPerShareDiluted_label_en-US" xlink:label="lab_us-gaap_EarningsPerShareDiluted" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Earnings Per Share, Diluted</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareDiluted" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EarningsPerShareDiluted"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EarningsPerShareDiluted" xlink:to="lab_us-gaap_EarningsPerShareDiluted" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_NonoperatingIncomeExpenseAbstract_bf74835d-f88d-4813-ad58-4d24df777642_terseLabel_en-US" xlink:label="lab_us-gaap_NonoperatingIncomeExpenseAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Other income (expense):</link:label>
    <link:label id="lab_us-gaap_NonoperatingIncomeExpenseAbstract_label_en-US" xlink:label="lab_us-gaap_NonoperatingIncomeExpenseAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Nonoperating Income (Expense) [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NonoperatingIncomeExpenseAbstract" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NonoperatingIncomeExpenseAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NonoperatingIncomeExpenseAbstract" xlink:to="lab_us-gaap_NonoperatingIncomeExpenseAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue_680ac521-ce7b-45c5-bf6f-264cc1ee0a21_periodStartLabel_en-US" xlink:label="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Unvested, weighted average grant date fair value, beginning of period (in USD per share)</link:label>
    <link:label id="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue_a80f5954-2b9c-4de9-abae-ffad9c6cfdfc_periodEndLabel_en-US" xlink:label="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Unvested, weighted average grant date fair value, end of period (in USD per share)</link:label>
    <link:label id="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue_label_en-US" xlink:label="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Weighted Average Grant Date Fair Value</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue" xlink:to="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue" xlink:type="arc" order="1"/>
    <link:label id="lab_ngs_EmployeeServiceShareBasedCompensationNonvestedAwardsStockOptionsWeightedAverageGrantDateFairValueRollForward_a9c2727a-0c5e-4321-b98a-1d2d2dc44ab3_terseLabel_en-US" xlink:label="lab_ngs_EmployeeServiceShareBasedCompensationNonvestedAwardsStockOptionsWeightedAverageGrantDateFairValueRollForward" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Weighted AverageGrant Date Fair Value Per Share</link:label>
    <link:label id="lab_ngs_EmployeeServiceShareBasedCompensationNonvestedAwardsStockOptionsWeightedAverageGrantDateFairValueRollForward_label_en-US" xlink:label="lab_ngs_EmployeeServiceShareBasedCompensationNonvestedAwardsStockOptionsWeightedAverageGrantDateFairValueRollForward" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Employee Service Share-based Compensation, Nonvested Awards, Stock Options, Weighted Average Grant Date Fair Value [Roll Forward]</link:label>
    <link:label id="lab_ngs_EmployeeServiceShareBasedCompensationNonvestedAwardsStockOptionsWeightedAverageGrantDateFairValueRollForward_documentation_en-US" xlink:label="lab_ngs_EmployeeServiceShareBasedCompensationNonvestedAwardsStockOptionsWeightedAverageGrantDateFairValueRollForward" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Employee Service Share-based Compensation, Nonvested Awards, Stock Options, Weighted Average Grant Date Fair Value [Roll Forward]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ngs_EmployeeServiceShareBasedCompensationNonvestedAwardsStockOptionsWeightedAverageGrantDateFairValueRollForward" xlink:href="ngs-20180630.xsd#ngs_EmployeeServiceShareBasedCompensationNonvestedAwardsStockOptionsWeightedAverageGrantDateFairValueRollForward"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ngs_EmployeeServiceShareBasedCompensationNonvestedAwardsStockOptionsWeightedAverageGrantDateFairValueRollForward" xlink:to="lab_ngs_EmployeeServiceShareBasedCompensationNonvestedAwardsStockOptionsWeightedAverageGrantDateFairValueRollForward" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_CostsAndExpenses_995a08c8-884a-4475-9e0e-ac2ff20eee4d_totalLabel_en-US" xlink:label="lab_us-gaap_CostsAndExpenses" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Total operating costs and expenses</link:label>
    <link:label id="lab_us-gaap_CostsAndExpenses_2aa1b718-d349-4c02-affa-9a9b30f56245_terseLabel_en-US" xlink:label="lab_us-gaap_CostsAndExpenses" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Operating costs and corporate expenses</link:label>
    <link:label id="lab_us-gaap_CostsAndExpenses_label_en-US" xlink:label="lab_us-gaap_CostsAndExpenses" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Costs and Expenses</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostsAndExpenses" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CostsAndExpenses"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CostsAndExpenses" xlink:to="lab_us-gaap_CostsAndExpenses" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ContractWithCustomerAssetNetCurrent_fc494fb2-ecdd-441b-a11c-d294bb72b36a_terseLabel_en-US" xlink:label="lab_us-gaap_ContractWithCustomerAssetNetCurrent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Accounts receivable - contracts with customers</link:label>
    <link:label id="lab_us-gaap_ContractWithCustomerAssetNetCurrent_label_en-US" xlink:label="lab_us-gaap_ContractWithCustomerAssetNetCurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Contract with Customer, Asset, Net, Current</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerAssetNetCurrent" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ContractWithCustomerAssetNetCurrent"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ContractWithCustomerAssetNetCurrent" xlink:to="lab_us-gaap_ContractWithCustomerAssetNetCurrent" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_NumberOfOperatingSegments_f7b66f13-8dea-4586-b516-3a5983967b4f_terseLabel_en-US" xlink:label="lab_us-gaap_NumberOfOperatingSegments" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Number of operating segments</link:label>
    <link:label id="lab_us-gaap_NumberOfOperatingSegments_label_en-US" xlink:label="lab_us-gaap_NumberOfOperatingSegments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Number of Operating Segments</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NumberOfOperatingSegments" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NumberOfOperatingSegments"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NumberOfOperatingSegments" xlink:to="lab_us-gaap_NumberOfOperatingSegments" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_554b5332-9274-4b9a-b491-3897b8a718f9_terseLabel_en-US" xlink:label="lab_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Dilutive effect of stock options and restricted stock (in shares)</link:label>
    <link:label id="lab_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_label_en-US" xlink:label="lab_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements" xlink:to="lab_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ScheduleOfStockOptionsRollForwardTableTextBlock_ad4afcd1-37ef-46b4-ac0d-cf200cb94af3_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfStockOptionsRollForwardTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Status of Unvested Stock Options</link:label>
    <link:label id="lab_us-gaap_ScheduleOfStockOptionsRollForwardTableTextBlock_label_en-US" xlink:label="lab_us-gaap_ScheduleOfStockOptionsRollForwardTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Schedule of Stock Options Roll Forward [Table Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfStockOptionsRollForwardTableTextBlock" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfStockOptionsRollForwardTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfStockOptionsRollForwardTableTextBlock" xlink:to="lab_us-gaap_ScheduleOfStockOptionsRollForwardTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_IncomeTaxExpenseBenefit_9025c5c0-23c5-4692-80ab-da702a56009e_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeTaxExpenseBenefit" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Provision for income taxes</link:label>
    <link:label id="lab_us-gaap_IncomeTaxExpenseBenefit_label_en-US" xlink:label="lab_us-gaap_IncomeTaxExpenseBenefit" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Income Tax Expense (Benefit)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit" xlink:to="lab_us-gaap_IncomeTaxExpenseBenefit" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_LineOfCreditFacilityInterestRateDuringPeriod_a0ecc2f6-0ed8-45c9-816d-d5070fddd6fb_terseLabel_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityInterestRateDuringPeriod" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Weighted average interest rate</link:label>
    <link:label id="lab_us-gaap_LineOfCreditFacilityInterestRateDuringPeriod_label_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityInterestRateDuringPeriod" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Line of Credit Facility, Interest Rate During Period</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityInterestRateDuringPeriod" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LineOfCreditFacilityInterestRateDuringPeriod"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LineOfCreditFacilityInterestRateDuringPeriod" xlink:to="lab_us-gaap_LineOfCreditFacilityInterestRateDuringPeriod" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_SegmentReportingDisclosureTextBlock_38604767-85a8-42be-986e-d94a24c2bc93_terseLabel_en-US" xlink:label="lab_us-gaap_SegmentReportingDisclosureTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Segment Information</link:label>
    <link:label id="lab_us-gaap_SegmentReportingDisclosureTextBlock_label_en-US" xlink:label="lab_us-gaap_SegmentReportingDisclosureTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Segment Reporting Disclosure [Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentReportingDisclosureTextBlock" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SegmentReportingDisclosureTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SegmentReportingDisclosureTextBlock" xlink:to="lab_us-gaap_SegmentReportingDisclosureTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain_fa62dae2-668d-4c5d-aab3-f0ebdf8f200d_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Domain]</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain" xlink:to="lab_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_InventoryNet_9a54cf4a-34cc-496e-b363-5cbe54436fc7_terseLabel_en-US" xlink:label="lab_us-gaap_InventoryNet" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Inventory</link:label>
    <link:label id="lab_us-gaap_InventoryNet_label_en-US" xlink:label="lab_us-gaap_InventoryNet" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Inventory, Net</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryNet" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InventoryNet"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InventoryNet" xlink:to="lab_us-gaap_InventoryNet" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_AssetsCurrent_4a52c234-9403-4528-a666-bed705f4243a_totalLabel_en-US" xlink:label="lab_us-gaap_AssetsCurrent" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Total current assets</link:label>
    <link:label id="lab_us-gaap_AssetsCurrent_label_en-US" xlink:label="lab_us-gaap_AssetsCurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Assets, Current</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsCurrent" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AssetsCurrent"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AssetsCurrent" xlink:to="lab_us-gaap_AssetsCurrent" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_5e5607b7-fa3c-4407-9479-40e4c412993b_totalLabel_en-US" xlink:label="lab_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">NET CHANGE IN CASH AND CASH EQUIVALENTS</link:label>
    <link:label id="lab_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_label_en-US" xlink:label="lab_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Cash and Cash Equivalents, Period Increase (Decrease)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease" xlink:to="lab_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_7f585c81-0702-4919-8bdd-36a0db483201_terseLabel_en-US" xlink:label="lab_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Number of shares not included in the computation of dilutive income per share (in shares)</link:label>
    <link:label id="lab_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_label_en-US" xlink:label="lab_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount" xlink:to="lab_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_StatementOfFinancialPositionAbstract_label_en-US" xlink:label="lab_us-gaap_StatementOfFinancialPositionAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Statement of Financial Position [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementOfFinancialPositionAbstract" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StatementOfFinancialPositionAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract" xlink:to="lab_us-gaap_StatementOfFinancialPositionAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions_bfdc8aec-c6b7-4a5d-8e37-bbb1b5509010_terseLabel_en-US" xlink:label="lab_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Unrecognized compensation cost related to unvested options</link:label>
    <link:label id="lab_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions_label_en-US" xlink:label="lab_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Stock Options</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions" xlink:to="lab_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_LongTermLineOfCredit_30f2005f-b0f3-408d-96c6-d6f1c4d2e036_terseLabel_en-US" xlink:label="lab_us-gaap_LongTermLineOfCredit" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Line of credit, non-current portion</link:label>
    <link:label id="lab_us-gaap_LongTermLineOfCredit_label_en-US" xlink:label="lab_us-gaap_LongTermLineOfCredit" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Long-term Line of Credit, Noncurrent</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermLineOfCredit" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LongTermLineOfCredit"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LongTermLineOfCredit" xlink:to="lab_us-gaap_LongTermLineOfCredit" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DeferredCompensationArrangementWithIndividualFairValueOfSharesIssued_35112a3c-a365-4184-9382-f9ad75289bea_terseLabel_en-US" xlink:label="lab_us-gaap_DeferredCompensationArrangementWithIndividualFairValueOfSharesIssued" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Deferred compensation arrangement, fair value of shares issued</link:label>
    <link:label id="lab_us-gaap_DeferredCompensationArrangementWithIndividualFairValueOfSharesIssued_label_en-US" xlink:label="lab_us-gaap_DeferredCompensationArrangementWithIndividualFairValueOfSharesIssued" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Deferred Compensation Arrangement with Individual, Fair Value of Shares Issued</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredCompensationArrangementWithIndividualFairValueOfSharesIssued" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DeferredCompensationArrangementWithIndividualFairValueOfSharesIssued"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DeferredCompensationArrangementWithIndividualFairValueOfSharesIssued" xlink:to="lab_us-gaap_DeferredCompensationArrangementWithIndividualFairValueOfSharesIssued" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_AssetsNoncurrentAbstract_8b9c4b75-8615-4407-b472-982ea21ef5c4_terseLabel_en-US" xlink:label="lab_us-gaap_AssetsNoncurrentAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Noncurrent Assets:</link:label>
    <link:label id="lab_us-gaap_AssetsNoncurrentAbstract_label_en-US" xlink:label="lab_us-gaap_AssetsNoncurrentAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Assets, Noncurrent [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsNoncurrentAbstract" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AssetsNoncurrentAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AssetsNoncurrentAbstract" xlink:to="lab_us-gaap_AssetsNoncurrentAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_LiabilitiesCurrent_cad6318b-17d9-4267-9640-8a6a8ef7a608_totalLabel_en-US" xlink:label="lab_us-gaap_LiabilitiesCurrent" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Total current liabilities</link:label>
    <link:label id="lab_us-gaap_LiabilitiesCurrent_label_en-US" xlink:label="lab_us-gaap_LiabilitiesCurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Liabilities, Current</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrent" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LiabilitiesCurrent"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LiabilitiesCurrent" xlink:to="lab_us-gaap_LiabilitiesCurrent" xlink:type="arc" order="1"/>
    <link:label id="lab_ngs_CapitalizedContractCostsPolicyPolicyTextBlock_a6d2993e-7c5b-4c4c-9cbc-b6601c9ed515_terseLabel_en-US" xlink:label="lab_ngs_CapitalizedContractCostsPolicyPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Contract Costs</link:label>
    <link:label id="lab_ngs_CapitalizedContractCostsPolicyPolicyTextBlock_label_en-US" xlink:label="lab_ngs_CapitalizedContractCostsPolicyPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Capitalized Contract Costs, Policy [Policy Text Block]</link:label>
    <link:label id="lab_ngs_CapitalizedContractCostsPolicyPolicyTextBlock_documentation_en-US" xlink:label="lab_ngs_CapitalizedContractCostsPolicyPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Capitalized Contract Costs, Policy</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ngs_CapitalizedContractCostsPolicyPolicyTextBlock" xlink:href="ngs-20180630.xsd#ngs_CapitalizedContractCostsPolicyPolicyTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ngs_CapitalizedContractCostsPolicyPolicyTextBlock" xlink:to="lab_ngs_CapitalizedContractCostsPolicyPolicyTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock_fa6ef2ec-dfb7-408e-a991-775aba45d918_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Schedule of Earnings Per Share, Basic and Diluted</link:label>
    <link:label id="lab_us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock_label_en-US" xlink:label="lab_us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock" xlink:to="lab_us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_01c8518c-8a44-4859-a5b9-cb52dddc0654_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table]</link:label>
    <link:label id="lab_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_label_en-US" xlink:label="lab_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:to="lab_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_LiabilitiesAndStockholdersEquity_03eec3bd-3759-4145-b594-d6ffe54a4c19_totalLabel_en-US" xlink:label="lab_us-gaap_LiabilitiesAndStockholdersEquity" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Total liabilities and stockholders' equity</link:label>
    <link:label id="lab_us-gaap_LiabilitiesAndStockholdersEquity_label_en-US" xlink:label="lab_us-gaap_LiabilitiesAndStockholdersEquity" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Liabilities and Equity</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquity" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquity"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity" xlink:to="lab_us-gaap_LiabilitiesAndStockholdersEquity" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock_b61df10b-5ac2-4bb8-9c6d-6f97673b8e06_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Summary of Option Activity</link:label>
    <link:label id="lab_us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock_label_en-US" xlink:label="lab_us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Share-based Compensation, Stock Options, Activity [Table Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock" xlink:to="lab_us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_AccountsReceivableNetCurrent_eaafe18c-93f9-4360-b67a-a8e641a84c50_terseLabel_en-US" xlink:label="lab_us-gaap_AccountsReceivableNetCurrent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Trade accounts receivable, net of allowance for doubtful accounts of $443 and $569, respectively</link:label>
    <link:label id="lab_us-gaap_AccountsReceivableNetCurrent_68cce757-b57a-4794-a52e-1622c2dfd391_totalLabel_en-US" xlink:label="lab_us-gaap_AccountsReceivableNetCurrent" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Total Accounts Receivable, net</link:label>
    <link:label id="lab_us-gaap_AccountsReceivableNetCurrent_label_en-US" xlink:label="lab_us-gaap_AccountsReceivableNetCurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Accounts Receivable, Net, Current</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableNetCurrent" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AccountsReceivableNetCurrent"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccountsReceivableNetCurrent" xlink:to="lab_us-gaap_AccountsReceivableNetCurrent" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityCommonStockSharesOutstanding_2865c1cf-8e66-4826-8580-ec3631bcc90c_terseLabel_en-US" xlink:label="lab_dei_EntityCommonStockSharesOutstanding" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Entity Common Stock, Shares Outstanding</link:label>
    <link:label id="lab_dei_EntityCommonStockSharesOutstanding_label_en-US" xlink:label="lab_dei_EntityCommonStockSharesOutstanding" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Entity Common Stock, Shares Outstanding</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityCommonStockSharesOutstanding" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityCommonStockSharesOutstanding"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityCommonStockSharesOutstanding" xlink:to="lab_dei_EntityCommonStockSharesOutstanding" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DebtDisclosureAbstract_label_en-US" xlink:label="lab_us-gaap_DebtDisclosureAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Debt Disclosure [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtDisclosureAbstract" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DebtDisclosureAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtDisclosureAbstract" xlink:to="lab_us-gaap_DebtDisclosureAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_InterestPaid_4fd0087c-0ab2-4cc6-a653-eeafc9356f40_terseLabel_en-US" xlink:label="lab_us-gaap_InterestPaid" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Interest paid</link:label>
    <link:label id="lab_us-gaap_InterestPaid_label_en-US" xlink:label="lab_us-gaap_InterestPaid" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Interest Paid</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestPaid" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InterestPaid"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InterestPaid" xlink:to="lab_us-gaap_InterestPaid" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_3b51fd07-c85d-411c-8ce0-2694ab35f91f_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award [Line Items]</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_cf31e833-964f-4178-a2c6-a9c6f5cab86d_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Grants in period (in shares)</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_VariableRateAxis_7a3d682d-f18c-4276-a24e-d13944d2a95d_terseLabel_en-US" xlink:label="lab_us-gaap_VariableRateAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Variable Rate [Axis]</link:label>
    <link:label id="lab_us-gaap_VariableRateAxis_label_en-US" xlink:label="lab_us-gaap_VariableRateAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Variable Rate [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableRateAxis" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_VariableRateAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_VariableRateAxis" xlink:to="lab_us-gaap_VariableRateAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ScheduleOfInventoryCurrentTableTextBlock_35ac099d-b351-4101-af1d-07e61e702e8b_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfInventoryCurrentTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Schedule of Inventory</link:label>
    <link:label id="lab_us-gaap_ScheduleOfInventoryCurrentTableTextBlock_label_en-US" xlink:label="lab_us-gaap_ScheduleOfInventoryCurrentTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Schedule of Inventory, Current [Table Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfInventoryCurrentTableTextBlock" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfInventoryCurrentTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfInventoryCurrentTableTextBlock" xlink:to="lab_us-gaap_ScheduleOfInventoryCurrentTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ngs_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsWeightedAverageRemainingContractualTermAbstract_7d43edf2-0f38-4cdc-80e7-0e41264e170b_terseLabel_en-US" xlink:label="lab_ngs_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsWeightedAverageRemainingContractualTermAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Weighted &#8233;Average &#8233;Remaining &#8233;Contractual Life (years)</link:label>
    <link:label id="lab_ngs_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsWeightedAverageRemainingContractualTermAbstract_label_en-US" xlink:label="lab_ngs_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsWeightedAverageRemainingContractualTermAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Share-based Compensation Arrangements by Share-based Payment Award, Options, Weighted Average Remaining Contractual Term [Abstract]</link:label>
    <link:label id="lab_ngs_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsWeightedAverageRemainingContractualTermAbstract_documentation_en-US" xlink:label="lab_ngs_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsWeightedAverageRemainingContractualTermAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Share-based Compensation Arrangements by Share-based Payment Award, Options, Weighted Average Remaining Contractual Term [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ngs_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsWeightedAverageRemainingContractualTermAbstract" xlink:href="ngs-20180630.xsd#ngs_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsWeightedAverageRemainingContractualTermAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ngs_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsWeightedAverageRemainingContractualTermAbstract" xlink:to="lab_ngs_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsWeightedAverageRemainingContractualTermAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_OtherCostOfServices_81746e8a-b526-433d-ad04-2d03f414af36_terseLabel_en-US" xlink:label="lab_us-gaap_OtherCostOfServices" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Cost of service and maintenance</link:label>
    <link:label id="lab_us-gaap_OtherCostOfServices_label_en-US" xlink:label="lab_us-gaap_OtherCostOfServices" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Other Cost of Services</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherCostOfServices" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherCostOfServices"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherCostOfServices" xlink:to="lab_us-gaap_OtherCostOfServices" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_AwardTypeAxis_8dc4a76d-5ab7-4775-b897-d5d5ee9f63c1_terseLabel_en-US" xlink:label="lab_us-gaap_AwardTypeAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Award Type [Axis]</link:label>
    <link:label id="lab_us-gaap_AwardTypeAxis_label_en-US" xlink:label="lab_us-gaap_AwardTypeAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Award Type [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AwardTypeAxis" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AwardTypeAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AwardTypeAxis" xlink:to="lab_us-gaap_AwardTypeAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ngs_LineOfCreditFacilityPotentialIncreaseInBorrowingCapacity_b54698de-3e9d-4724-aeca-08cb0def4df3_terseLabel_en-US" xlink:label="lab_ngs_LineOfCreditFacilityPotentialIncreaseInBorrowingCapacity" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Potential increase in borrowing capacity</link:label>
    <link:label id="lab_ngs_LineOfCreditFacilityPotentialIncreaseInBorrowingCapacity_label_en-US" xlink:label="lab_ngs_LineOfCreditFacilityPotentialIncreaseInBorrowingCapacity" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Line of Credit Facility, Potential Increase in Borrowing Capacity</link:label>
    <link:label id="lab_ngs_LineOfCreditFacilityPotentialIncreaseInBorrowingCapacity_documentation_en-US" xlink:label="lab_ngs_LineOfCreditFacilityPotentialIncreaseInBorrowingCapacity" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Line of Credit Facility, Potential Increase in Borrowing Capacity</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ngs_LineOfCreditFacilityPotentialIncreaseInBorrowingCapacity" xlink:href="ngs-20180630.xsd#ngs_LineOfCreditFacilityPotentialIncreaseInBorrowingCapacity"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ngs_LineOfCreditFacilityPotentialIncreaseInBorrowingCapacity" xlink:to="lab_ngs_LineOfCreditFacilityPotentialIncreaseInBorrowingCapacity" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_IntangibleAssetsNetExcludingGoodwill_d4c76af3-4fe0-4258-bfbf-82daa5dbdbb3_terseLabel_en-US" xlink:label="lab_us-gaap_IntangibleAssetsNetExcludingGoodwill" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Intangibles, net of accumulated amortization of $1,695 and $1,632, respectively</link:label>
    <link:label id="lab_us-gaap_IntangibleAssetsNetExcludingGoodwill_label_en-US" xlink:label="lab_us-gaap_IntangibleAssetsNetExcludingGoodwill" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Intangible Assets, Net (Excluding Goodwill)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IntangibleAssetsNetExcludingGoodwill"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill" xlink:to="lab_us-gaap_IntangibleAssetsNetExcludingGoodwill" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_EarningsPerShareBasicAndDilutedAbstract_fe608b3d-9d27-4e62-852e-5e9d3ad21f2a_terseLabel_en-US" xlink:label="lab_us-gaap_EarningsPerShareBasicAndDilutedAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Earnings per common share:</link:label>
    <link:label id="lab_us-gaap_EarningsPerShareBasicAndDilutedAbstract_label_en-US" xlink:label="lab_us-gaap_EarningsPerShareBasicAndDilutedAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Earnings Per Share, Basic and Diluted [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareBasicAndDilutedAbstract" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EarningsPerShareBasicAndDilutedAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EarningsPerShareBasicAndDilutedAbstract" xlink:to="lab_us-gaap_EarningsPerShareBasicAndDilutedAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock_3eb31be6-3b5a-43ac-b960-2c107d6f0f73_terseLabel_en-US" xlink:label="lab_us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Recently Issued Accounting Pronouncements</link:label>
    <link:label id="lab_us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock_label_en-US" xlink:label="lab_us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">New Accounting Pronouncements, Policy [Policy Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock" xlink:to="lab_us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_29a67c84-614e-474b-9745-6c22c2172a25_terseLabel_en-US" xlink:label="lab_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Diluted (in shares)</link:label>
    <link:label id="lab_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_4828e1f3-7ecc-4468-9daf-5a3058a69c52_totalLabel_en-US" xlink:label="lab_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Diluted weighted average shares (in shares)</link:label>
    <link:label id="lab_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_label_en-US" xlink:label="lab_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Weighted Average Number of Shares Outstanding, Diluted</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:to="lab_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:type="arc" order="1"/>
    <link:label id="lab_ngs_VicePresidentofTechnicalServicesMember_0cda264b-8e19-4dab-9870-33717f141091_terseLabel_en-US" xlink:label="lab_ngs_VicePresidentofTechnicalServicesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Vice President of Technical Services</link:label>
    <link:label id="lab_ngs_VicePresidentofTechnicalServicesMember_label_en-US" xlink:label="lab_ngs_VicePresidentofTechnicalServicesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Vice President of Technical Services [Member]</link:label>
    <link:label id="lab_ngs_VicePresidentofTechnicalServicesMember_documentation_en-US" xlink:label="lab_ngs_VicePresidentofTechnicalServicesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Vice President of Technical Services [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ngs_VicePresidentofTechnicalServicesMember" xlink:href="ngs-20180630.xsd#ngs_VicePresidentofTechnicalServicesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ngs_VicePresidentofTechnicalServicesMember" xlink:to="lab_ngs_VicePresidentofTechnicalServicesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_FairValueOfFinancialInstrumentsPolicy_34d73227-4126-40e7-972c-16c95057ccc5_terseLabel_en-US" xlink:label="lab_us-gaap_FairValueOfFinancialInstrumentsPolicy" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Fair Value of Financial Instruments</link:label>
    <link:label id="lab_us-gaap_FairValueOfFinancialInstrumentsPolicy_label_en-US" xlink:label="lab_us-gaap_FairValueOfFinancialInstrumentsPolicy" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Fair Value of Financial Instruments, Policy [Policy Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueOfFinancialInstrumentsPolicy" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueOfFinancialInstrumentsPolicy"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FairValueOfFinancialInstrumentsPolicy" xlink:to="lab_us-gaap_FairValueOfFinancialInstrumentsPolicy" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_CommonStockSharesIssued_b4a0d371-448f-420c-8711-6b58dcf3af6e_terseLabel_en-US" xlink:label="lab_us-gaap_CommonStockSharesIssued" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Common stock, shares issued</link:label>
    <link:label id="lab_us-gaap_CommonStockSharesIssued_label_en-US" xlink:label="lab_us-gaap_CommonStockSharesIssued" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Common Stock, Shares, Issued</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockSharesIssued" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CommonStockSharesIssued"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CommonStockSharesIssued" xlink:to="lab_us-gaap_CommonStockSharesIssued" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_OtherCostOfOperatingRevenue_0fb31184-0cd1-435e-ab87-abdf8d6ff568_terseLabel_en-US" xlink:label="lab_us-gaap_OtherCostOfOperatingRevenue" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Cost of sales, exclusive of depreciation stated separately below</link:label>
    <link:label id="lab_us-gaap_OtherCostOfOperatingRevenue_label_en-US" xlink:label="lab_us-gaap_OtherCostOfOperatingRevenue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Other Cost of Operating Revenue</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherCostOfOperatingRevenue" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherCostOfOperatingRevenue"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherCostOfOperatingRevenue" xlink:to="lab_us-gaap_OtherCostOfOperatingRevenue" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_9b00d437-768e-41bc-b0b7-3066f9d0fcd8_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Variable rate, applicable margin</link:label>
    <link:label id="lab_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Debt Instrument, Basis Spread on Variable Rate</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DebtInstrumentBasisSpreadOnVariableRate1"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1" xlink:to="lab_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_6aa59aff-f1f4-4a72-9ee5-11f9dcf7fb3c_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Taxes paid related to net share settlement of equity awards</link:label>
    <link:label id="lab_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_label_en-US" xlink:label="lab_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Payments Related to Tax Withholding for Share-based Compensation</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation" xlink:to="lab_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit_8d4bd27c-107b-4c08-888c-6e2d0e36f8e1_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Range of exercise prices, upper limit (in USD per share)</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit_45993a71-f22d-44a2-a29b-db22295a7c75_verboseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Exercise price of shares not included in the computation of dilutive income per share, upper limit (in USD per share)</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Upper Range Limit</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit" xlink:to="lab_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions_aac7c3fa-3c29-4193-98de-d44af944a7e5_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Options exercisable, shares</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Number of Exercisable Options</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions" xlink:to="lab_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_InventoryValuationReserves_532296d2-9521-405f-a5ff-08e8034f3a6f_terseLabel_en-US" xlink:label="lab_us-gaap_InventoryValuationReserves" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Allowance for inventory obsolescence</link:label>
    <link:label id="lab_us-gaap_InventoryValuationReserves_label_en-US" xlink:label="lab_us-gaap_InventoryValuationReserves" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Inventory Valuation Reserves</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryValuationReserves" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InventoryValuationReserves"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InventoryValuationReserves" xlink:to="lab_us-gaap_InventoryValuationReserves" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_IncreaseDecreaseInOtherCurrentAssets_9d1e4afd-c2c3-4d16-9ce8-e8958cc9b43c_negatedLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInOtherCurrentAssets" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Other</link:label>
    <link:label id="lab_us-gaap_IncreaseDecreaseInOtherCurrentAssets_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInOtherCurrentAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Increase (Decrease) in Other Current Assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherCurrentAssets" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncreaseDecreaseInOtherCurrentAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncreaseDecreaseInOtherCurrentAssets" xlink:to="lab_us-gaap_IncreaseDecreaseInOtherCurrentAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_b501076c-b492-4df4-81cb-647dd583725d_periodStartLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Outstanding, beginning of period (in USD per share)</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_2e61bd49-10db-4977-a62e-074e1db8e4d4_periodEndLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Outstanding, end of period (in USD per share)</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_f7ee9ba1-7f19-4798-b496-9fddfebf984b_totalLabel_en-US" xlink:label="lab_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Income before provision for income taxes</link:label>
    <link:label id="lab_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_label_en-US" xlink:label="lab_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" xlink:to="lab_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" xlink:type="arc" order="1"/>
    <link:label id="lab_ngs_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsCanceledOrForfeitedNumberOfShares_822c28e1-f5a7-4303-8927-54687e751ac0_negatedTerseLabel_en-US" xlink:label="lab_ngs_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsCanceledOrForfeitedNumberOfShares" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Canceled/Forfeited (in shares)</link:label>
    <link:label id="lab_ngs_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsCanceledOrForfeitedNumberOfShares_label_en-US" xlink:label="lab_ngs_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsCanceledOrForfeitedNumberOfShares" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Share-based Compensation Arrangement By Share-based Payment Award, Options, Nonvested Options Canceled Or Forfeited, Number Of Shares</link:label>
    <link:label id="lab_ngs_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsCanceledOrForfeitedNumberOfShares_documentation_en-US" xlink:label="lab_ngs_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsCanceledOrForfeitedNumberOfShares" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Share-based Compensation Arrangement By Share-based Payment Award, Options, Nonvested Options Canceled Or Forfeited, Number Of Shares</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ngs_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsCanceledOrForfeitedNumberOfShares" xlink:href="ngs-20180630.xsd#ngs_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsCanceledOrForfeitedNumberOfShares"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ngs_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsCanceledOrForfeitedNumberOfShares" xlink:to="lab_ngs_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsCanceledOrForfeitedNumberOfShares" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2_c1ceb922-9e6a-442b-baad-134d5799e828_terseLabel_en-US" xlink:label="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Outstanding</link:label>
    <link:label id="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2_label_en-US" xlink:label="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2" xlink:to="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2" xlink:type="arc" order="1"/>
    <link:label id="lab_ngs_TransferOfRentalEquipmentToInventory_fcdd2785-de5e-4f89-96a2-6a344332a7d3_terseLabel_en-US" xlink:label="lab_ngs_TransferOfRentalEquipmentToInventory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Transfer of rental equipment components to inventory</link:label>
    <link:label id="lab_ngs_TransferOfRentalEquipmentToInventory_label_en-US" xlink:label="lab_ngs_TransferOfRentalEquipmentToInventory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Transfer of Rental Equipment to Inventory</link:label>
    <link:label id="lab_ngs_TransferOfRentalEquipmentToInventory_documentation_en-US" xlink:label="lab_ngs_TransferOfRentalEquipmentToInventory" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Transfer of Rental Equipment to Inventory</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ngs_TransferOfRentalEquipmentToInventory" xlink:href="ngs-20180630.xsd#ngs_TransferOfRentalEquipmentToInventory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ngs_TransferOfRentalEquipmentToInventory" xlink:to="lab_ngs_TransferOfRentalEquipmentToInventory" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_IncomeTaxesPaid_f4081902-8f9f-4198-b22e-9992132a0bc1_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeTaxesPaid" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Income taxes paid</link:label>
    <link:label id="lab_us-gaap_IncomeTaxesPaid_label_en-US" xlink:label="lab_us-gaap_IncomeTaxesPaid" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Income Taxes Paid</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxesPaid" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncomeTaxesPaid"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeTaxesPaid" xlink:to="lab_us-gaap_IncomeTaxesPaid" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_PreferredStockValue_da2e2683-cbdf-48ad-9807-1e931915d7bd_terseLabel_en-US" xlink:label="lab_us-gaap_PreferredStockValue" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Preferred stock, 5,000 shares authorized, no shares issued or outstanding</link:label>
    <link:label id="lab_us-gaap_PreferredStockValue_label_en-US" xlink:label="lab_us-gaap_PreferredStockValue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Preferred Stock, Value, Issued</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockValue" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PreferredStockValue"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PreferredStockValue" xlink:to="lab_us-gaap_PreferredStockValue" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ShareBasedCompensation_7cabb1c1-18ef-4d63-b56f-55e2a2a8d32f_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensation" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Stock-based compensation</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensation_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensation" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Share-based Compensation</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensation" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensation"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensation" xlink:to="lab_us-gaap_ShareBasedCompensation" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ArrangementsAndNonarrangementTransactionsMember_b74eeda3-5e7f-4bbb-a450-21a5d8118eb8_terseLabel_en-US" xlink:label="lab_us-gaap_ArrangementsAndNonarrangementTransactionsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Arrangements and Non-arrangement Transactions [Domain]</link:label>
    <link:label id="lab_us-gaap_ArrangementsAndNonarrangementTransactionsMember_label_en-US" xlink:label="lab_us-gaap_ArrangementsAndNonarrangementTransactionsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Arrangements and Non-arrangement Transactions [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ArrangementsAndNonarrangementTransactionsMember" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ArrangementsAndNonarrangementTransactionsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ArrangementsAndNonarrangementTransactionsMember" xlink:to="lab_us-gaap_ArrangementsAndNonarrangementTransactionsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_NetIncomeLoss_897e80e2-ad1c-4abe-b7b5-a312d7e4a7cc_totalLabel_en-US" xlink:label="lab_us-gaap_NetIncomeLoss" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Net income</link:label>
    <link:label id="lab_us-gaap_NetIncomeLoss_f020d427-c0b5-4595-8b98-8bc93e535da3_terseLabel_en-US" xlink:label="lab_us-gaap_NetIncomeLoss" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Net income</link:label>
    <link:label id="lab_us-gaap_NetIncomeLoss_label_en-US" xlink:label="lab_us-gaap_NetIncomeLoss" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Net Income (Loss) Attributable to Parent</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NetIncomeLoss"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetIncomeLoss" xlink:to="lab_us-gaap_NetIncomeLoss" xlink:type="arc" order="1"/>
    <link:label id="lab_ngs_RangeThreeMember_97932895-0bbe-4e59-8484-e0957735ab83_terseLabel_en-US" xlink:label="lab_ngs_RangeThreeMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">$17.82-20.48</link:label>
    <link:label id="lab_ngs_RangeThreeMember_label_en-US" xlink:label="lab_ngs_RangeThreeMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Range Three [Member]</link:label>
    <link:label id="lab_ngs_RangeThreeMember_documentation_en-US" xlink:label="lab_ngs_RangeThreeMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Range Three [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ngs_RangeThreeMember" xlink:href="ngs-20180630.xsd#ngs_RangeThreeMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ngs_RangeThreeMember" xlink:to="lab_ngs_RangeThreeMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_LifeInsuranceCorporateOrBankOwnedAmount_11fc602e-a7bd-4bc4-b641-8282f7bc4e36_terseLabel_en-US" xlink:label="lab_us-gaap_LifeInsuranceCorporateOrBankOwnedAmount" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Company owned life insurance</link:label>
    <link:label id="lab_us-gaap_LifeInsuranceCorporateOrBankOwnedAmount_label_en-US" xlink:label="lab_us-gaap_LifeInsuranceCorporateOrBankOwnedAmount" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Life Insurance, Corporate or Bank Owned, Amount</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LifeInsuranceCorporateOrBankOwnedAmount" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LifeInsuranceCorporateOrBankOwnedAmount"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LifeInsuranceCorporateOrBankOwnedAmount" xlink:to="lab_us-gaap_LifeInsuranceCorporateOrBankOwnedAmount" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_CompensationAndEmployeeBenefitPlansTextBlock_326ddc6c-b288-40b2-890c-7cedb3b30cf1_terseLabel_en-US" xlink:label="lab_us-gaap_CompensationAndEmployeeBenefitPlansTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Deferred Compensation Plans</link:label>
    <link:label id="lab_us-gaap_CompensationAndEmployeeBenefitPlansTextBlock_label_en-US" xlink:label="lab_us-gaap_CompensationAndEmployeeBenefitPlansTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Compensation and Employee Benefit Plans [Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CompensationAndEmployeeBenefitPlansTextBlock" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CompensationAndEmployeeBenefitPlansTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CompensationAndEmployeeBenefitPlansTextBlock" xlink:to="lab_us-gaap_CompensationAndEmployeeBenefitPlansTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_BasisOfPresentationAndSignificantAccountingPoliciesTextBlock_03c1daaf-2316-4143-886d-90fafa9cf4ed_terseLabel_en-US" xlink:label="lab_us-gaap_BasisOfPresentationAndSignificantAccountingPoliciesTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Basis of Presentation and Summary of Significant Accounting Policies</link:label>
    <link:label id="lab_us-gaap_BasisOfPresentationAndSignificantAccountingPoliciesTextBlock_label_en-US" xlink:label="lab_us-gaap_BasisOfPresentationAndSignificantAccountingPoliciesTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Basis of Presentation and Significant Accounting Policies [Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BasisOfPresentationAndSignificantAccountingPoliciesTextBlock" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_BasisOfPresentationAndSignificantAccountingPoliciesTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_BasisOfPresentationAndSignificantAccountingPoliciesTextBlock" xlink:to="lab_us-gaap_BasisOfPresentationAndSignificantAccountingPoliciesTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ngs_BillandHoldArrangementMember_0412d40a-bdb1-4caf-8a4a-a1fed81e6c11_terseLabel_en-US" xlink:label="lab_ngs_BillandHoldArrangementMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Bill and Hold Arrangement</link:label>
    <link:label id="lab_ngs_BillandHoldArrangementMember_label_en-US" xlink:label="lab_ngs_BillandHoldArrangementMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Bill and Hold Arrangement [Member]</link:label>
    <link:label id="lab_ngs_BillandHoldArrangementMember_documentation_en-US" xlink:label="lab_ngs_BillandHoldArrangementMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Bill and Hold Arrangement [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ngs_BillandHoldArrangementMember" xlink:href="ngs-20180630.xsd#ngs_BillandHoldArrangementMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ngs_BillandHoldArrangementMember" xlink:to="lab_ngs_BillandHoldArrangementMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_40f1d13c-6973-48ae-871c-790578cf5e1e_terseLabel_en-US" xlink:label="lab_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Adjustments to reconcile net income to net cash provided by operating&#160;activities:</link:label>
    <link:label id="lab_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_label_en-US" xlink:label="lab_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="lab_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_IncreaseDecreaseInAccountsReceivable_d34ec240-c87b-491b-9559-8c8b4e323f98_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInAccountsReceivable" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Trade accounts receivables</link:label>
    <link:label id="lab_us-gaap_IncreaseDecreaseInAccountsReceivable_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInAccountsReceivable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Increase (Decrease) in Accounts Receivable</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsReceivable" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsReceivable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncreaseDecreaseInAccountsReceivable" xlink:to="lab_us-gaap_IncreaseDecreaseInAccountsReceivable" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_PrepaidTaxes_35576f0d-9440-43c0-a528-530f82cbfc91_terseLabel_en-US" xlink:label="lab_us-gaap_PrepaidTaxes" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Prepaid income taxes</link:label>
    <link:label id="lab_us-gaap_PrepaidTaxes_label_en-US" xlink:label="lab_us-gaap_PrepaidTaxes" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Prepaid Taxes</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PrepaidTaxes" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PrepaidTaxes"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PrepaidTaxes" xlink:to="lab_us-gaap_PrepaidTaxes" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityFilerCategory_1857a064-0ec9-4a17-a312-1c837a04bca3_terseLabel_en-US" xlink:label="lab_dei_EntityFilerCategory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Entity Filer Category</link:label>
    <link:label id="lab_dei_EntityFilerCategory_label_en-US" xlink:label="lab_dei_EntityFilerCategory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Entity Filer Category</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityFilerCategory" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityFilerCategory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityFilerCategory" xlink:to="lab_dei_EntityFilerCategory" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ConsolidationItemsAxis_d3f2edb4-516b-42cd-812a-03cac9f6e00d_terseLabel_en-US" xlink:label="lab_us-gaap_ConsolidationItemsAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Consolidation Items [Axis]</link:label>
    <link:label id="lab_us-gaap_ConsolidationItemsAxis_label_en-US" xlink:label="lab_us-gaap_ConsolidationItemsAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Consolidation Items [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConsolidationItemsAxis" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ConsolidationItemsAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ConsolidationItemsAxis" xlink:to="lab_us-gaap_ConsolidationItemsAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ngs_LineofCreditFacilityLeverageRatio_73017b61-8263-4e33-b6a8-39741e4fa1b0_terseLabel_en-US" xlink:label="lab_ngs_LineofCreditFacilityLeverageRatio" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Maximum leverage ratio allowed</link:label>
    <link:label id="lab_ngs_LineofCreditFacilityLeverageRatio_label_en-US" xlink:label="lab_ngs_LineofCreditFacilityLeverageRatio" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Line of Credit Facility, Leverage Ratio</link:label>
    <link:label id="lab_ngs_LineofCreditFacilityLeverageRatio_documentation_en-US" xlink:label="lab_ngs_LineofCreditFacilityLeverageRatio" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Line of Credit Facility, Maximum Leverage Ratio Allowed</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ngs_LineofCreditFacilityLeverageRatio" xlink:href="ngs-20180630.xsd#ngs_LineofCreditFacilityLeverageRatio"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ngs_LineofCreditFacilityLeverageRatio" xlink:to="lab_ngs_LineofCreditFacilityLeverageRatio" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_542081d0-e0d6-498b-985b-696dd3c043e6_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Proceeds from sale of property and equipment</link:label>
    <link:label id="lab_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_label_en-US" xlink:label="lab_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Proceeds from Sale of Property, Plant, and Equipment</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment" xlink:to="lab_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_GainLossOnDispositionOfAssets_120de506-c6d8-40c2-88e1-b95ed7e105d1_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_GainLossOnDispositionOfAssets" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Gain on sale of assets</link:label>
    <link:label id="lab_us-gaap_GainLossOnDispositionOfAssets_label_en-US" xlink:label="lab_us-gaap_GainLossOnDispositionOfAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Gain (Loss) on Disposition of Property Plant Equipment, Excluding Oil and Gas Property and Timber Property</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainLossOnDispositionOfAssets" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_GainLossOnDispositionOfAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_GainLossOnDispositionOfAssets" xlink:to="lab_us-gaap_GainLossOnDispositionOfAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice_9b8e7b0a-4a07-43b6-b0a9-64245fa3950f_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Canceled/Forfeited (in USD per share)</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Share-based Compensation Arrangements by Share-based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_AccruedLiabilitiesCurrent_92f1cec6-b4ca-4064-a764-cf36a88ce9a5_terseLabel_en-US" xlink:label="lab_us-gaap_AccruedLiabilitiesCurrent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Accrued liabilities</link:label>
    <link:label id="lab_us-gaap_AccruedLiabilitiesCurrent_label_en-US" xlink:label="lab_us-gaap_AccruedLiabilitiesCurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Accrued Liabilities, Current</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccruedLiabilitiesCurrent" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AccruedLiabilitiesCurrent"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccruedLiabilitiesCurrent" xlink:to="lab_us-gaap_AccruedLiabilitiesCurrent" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems_9ac51d44-bb88-4b95-81b0-8c3decbdb70e_terseLabel_en-US" xlink:label="lab_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]</link:label>
    <link:label id="lab_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems_label_en-US" xlink:label="lab_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems" xlink:to="lab_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_RentalIncomeNonoperating_0894df28-e344-491b-9522-cc40d334dfde_terseLabel_en-US" xlink:label="lab_us-gaap_RentalIncomeNonoperating" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Rental revenue</link:label>
    <link:label id="lab_us-gaap_RentalIncomeNonoperating_label_en-US" xlink:label="lab_us-gaap_RentalIncomeNonoperating" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Rental Income, Nonoperating</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RentalIncomeNonoperating" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RentalIncomeNonoperating"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RentalIncomeNonoperating" xlink:to="lab_us-gaap_RentalIncomeNonoperating" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ScheduleOfShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeTable_4234f061-d323-481f-999e-de49f6a9eb8f_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range [Table]</link:label>
    <link:label id="lab_us-gaap_ScheduleOfShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeTable_label_en-US" xlink:label="lab_us-gaap_ScheduleOfShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeTable" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeTable" xlink:to="lab_us-gaap_ScheduleOfShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeTable" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DisaggregationOfRevenueLineItems_20a4db71-05a0-49e0-a93a-082f9f3e75b7_terseLabel_en-US" xlink:label="lab_us-gaap_DisaggregationOfRevenueLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disaggregation of Revenue [Line Items]</link:label>
    <link:label id="lab_us-gaap_DisaggregationOfRevenueLineItems_label_en-US" xlink:label="lab_us-gaap_DisaggregationOfRevenueLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disaggregation of Revenue [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisaggregationOfRevenueLineItems" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DisaggregationOfRevenueLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems" xlink:to="lab_us-gaap_DisaggregationOfRevenueLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_ngs_SalesServiceLineMember_83434d35-9d6c-4c15-a971-ebab3c6b6da4_terseLabel_en-US" xlink:label="lab_ngs_SalesServiceLineMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Sales</link:label>
    <link:label id="lab_ngs_SalesServiceLineMember_label_en-US" xlink:label="lab_ngs_SalesServiceLineMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Sales Service Line [Member]</link:label>
    <link:label id="lab_ngs_SalesServiceLineMember_documentation_en-US" xlink:label="lab_ngs_SalesServiceLineMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Sales Service Line [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ngs_SalesServiceLineMember" xlink:href="ngs-20180630.xsd#ngs_SalesServiceLineMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ngs_SalesServiceLineMember" xlink:to="lab_ngs_SalesServiceLineMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_ce5282b4-5d6d-41d5-8fa4-1967df3a3245_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Award vesting period</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1" xlink:type="arc" order="1"/>
    <link:label id="lab_ngs_AccountsReceivableExcludingContractsWithCustomerAssetCurrent_492c87b7-9f2e-4579-962a-c244528cc140_terseLabel_en-US" xlink:label="lab_ngs_AccountsReceivableExcludingContractsWithCustomerAssetCurrent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Accounts receivable - non-ASC 606</link:label>
    <link:label id="lab_ngs_AccountsReceivableExcludingContractsWithCustomerAssetCurrent_label_en-US" xlink:label="lab_ngs_AccountsReceivableExcludingContractsWithCustomerAssetCurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Accounts Receivable, Excluding Contracts With Customer, Asset, Current</link:label>
    <link:label id="lab_ngs_AccountsReceivableExcludingContractsWithCustomerAssetCurrent_documentation_en-US" xlink:label="lab_ngs_AccountsReceivableExcludingContractsWithCustomerAssetCurrent" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Accounts Receivable, Excluding Contracts With Customer, Asset, Current</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ngs_AccountsReceivableExcludingContractsWithCustomerAssetCurrent" xlink:href="ngs-20180630.xsd#ngs_AccountsReceivableExcludingContractsWithCustomerAssetCurrent"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ngs_AccountsReceivableExcludingContractsWithCustomerAssetCurrent" xlink:to="lab_ngs_AccountsReceivableExcludingContractsWithCustomerAssetCurrent" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ProductOrServiceAxis_a3bab901-90d7-496e-ac5a-0ed74dc1d38e_terseLabel_en-US" xlink:label="lab_us-gaap_ProductOrServiceAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Products and Services [Axis]</link:label>
    <link:label id="lab_us-gaap_ProductOrServiceAxis_label_en-US" xlink:label="lab_us-gaap_ProductOrServiceAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Products and Services [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProductOrServiceAxis" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProductOrServiceAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProductOrServiceAxis" xlink:to="lab_us-gaap_ProductOrServiceAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DepreciationDepletionAndAmortization_612357d8-7970-4e0b-9cf9-aa05e7aba6c4_terseLabel_en-US" xlink:label="lab_us-gaap_DepreciationDepletionAndAmortization" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Depreciation and amortization</link:label>
    <link:label id="lab_us-gaap_DepreciationDepletionAndAmortization_label_en-US" xlink:label="lab_us-gaap_DepreciationDepletionAndAmortization" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Depreciation, Depletion and Amortization</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DepreciationDepletionAndAmortization" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DepreciationDepletionAndAmortization"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DepreciationDepletionAndAmortization" xlink:to="lab_us-gaap_DepreciationDepletionAndAmortization" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_InventoryNoncurrent_e638f333-80be-4899-a71f-e2050d2c9f32_terseLabel_en-US" xlink:label="lab_us-gaap_InventoryNoncurrent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Long-term inventory, net of allowance for obsolescence of $21 and $15, respectively</link:label>
    <link:label id="lab_us-gaap_InventoryNoncurrent_label_en-US" xlink:label="lab_us-gaap_InventoryNoncurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Inventory, Noncurrent</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryNoncurrent" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InventoryNoncurrent"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InventoryNoncurrent" xlink:to="lab_us-gaap_InventoryNoncurrent" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_TypeOfArrangementAxis_d29a6213-dfee-4a96-8121-6742836ef210_terseLabel_en-US" xlink:label="lab_us-gaap_TypeOfArrangementAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Type of Arrangement and Non-arrangement Transactions [Axis]</link:label>
    <link:label id="lab_us-gaap_TypeOfArrangementAxis_label_en-US" xlink:label="lab_us-gaap_TypeOfArrangementAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Type of Arrangement and Non-arrangement Transactions [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TypeOfArrangementAxis" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_TypeOfArrangementAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_TypeOfArrangementAxis" xlink:to="lab_us-gaap_TypeOfArrangementAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ngs_CbFloatingRateMember_f878f438-7a25-45bf-9c46-08165feb5e1e_terseLabel_en-US" xlink:label="lab_ngs_CbFloatingRateMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">CB Floating Rate</link:label>
    <link:label id="lab_ngs_CbFloatingRateMember_label_en-US" xlink:label="lab_ngs_CbFloatingRateMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">CB Floating Rate [Member]</link:label>
    <link:label id="lab_ngs_CbFloatingRateMember_documentation_en-US" xlink:label="lab_ngs_CbFloatingRateMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">CB Floating Rate [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ngs_CbFloatingRateMember" xlink:href="ngs-20180630.xsd#ngs_CbFloatingRateMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ngs_CbFloatingRateMember" xlink:to="lab_ngs_CbFloatingRateMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ngs_ProductSalesMember_b433f2e7-f170-45e0-a0df-fa667e50fc72_terseLabel_en-US" xlink:label="lab_ngs_ProductSalesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Sales</link:label>
    <link:label id="lab_ngs_ProductSalesMember_label_en-US" xlink:label="lab_ngs_ProductSalesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Product Sales [Member]</link:label>
    <link:label id="lab_ngs_ProductSalesMember_documentation_en-US" xlink:label="lab_ngs_ProductSalesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Product Sales [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ngs_ProductSalesMember" xlink:href="ngs-20180630.xsd#ngs_ProductSalesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ngs_ProductSalesMember" xlink:to="lab_ngs_ProductSalesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_StatementLineItems_2c6ce7d4-11bd-4864-9f14-9925a7cb64a0_terseLabel_en-US" xlink:label="lab_us-gaap_StatementLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Statement [Line Items]</link:label>
    <link:label id="lab_us-gaap_StatementLineItems_label_en-US" xlink:label="lab_us-gaap_StatementLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Statement [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementLineItems" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StatementLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StatementLineItems" xlink:to="lab_us-gaap_StatementLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_LineOfCreditFacilityLineItems_611a5f8c-5191-42ba-a255-102bfedfac57_terseLabel_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Line of Credit Facility [Line Items]</link:label>
    <link:label id="lab_us-gaap_LineOfCreditFacilityLineItems_label_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Line of Credit Facility [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityLineItems" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LineOfCreditFacilityLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems" xlink:to="lab_us-gaap_LineOfCreditFacilityLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_ngs_LineOfCreditFacilityCurrentBorrowingCapacityComponentPercentageOfEligibleAccountsReceivable_66549057-2437-4501-bc7a-878fbbfe9cf3_terseLabel_en-US" xlink:label="lab_ngs_LineOfCreditFacilityCurrentBorrowingCapacityComponentPercentageOfEligibleAccountsReceivable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Borrowing base, component, % of eligible accounts receivable</link:label>
    <link:label id="lab_ngs_LineOfCreditFacilityCurrentBorrowingCapacityComponentPercentageOfEligibleAccountsReceivable_label_en-US" xlink:label="lab_ngs_LineOfCreditFacilityCurrentBorrowingCapacityComponentPercentageOfEligibleAccountsReceivable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Line of Credit Facility, Current Borrowing Capacity, Component, Percentage of Eligible Accounts Receivable</link:label>
    <link:label id="lab_ngs_LineOfCreditFacilityCurrentBorrowingCapacityComponentPercentageOfEligibleAccountsReceivable_documentation_en-US" xlink:label="lab_ngs_LineOfCreditFacilityCurrentBorrowingCapacityComponentPercentageOfEligibleAccountsReceivable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Line of Credit Facility, Current Borrowing Capacity, Component, Percentage of Eligible Accounts Receivable</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ngs_LineOfCreditFacilityCurrentBorrowingCapacityComponentPercentageOfEligibleAccountsReceivable" xlink:href="ngs-20180630.xsd#ngs_LineOfCreditFacilityCurrentBorrowingCapacityComponentPercentageOfEligibleAccountsReceivable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ngs_LineOfCreditFacilityCurrentBorrowingCapacityComponentPercentageOfEligibleAccountsReceivable" xlink:to="lab_ngs_LineOfCreditFacilityCurrentBorrowingCapacityComponentPercentageOfEligibleAccountsReceivable" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityRegistrantName_d288e6d5-0de5-4502-a2fb-da651eea92aa_terseLabel_en-US" xlink:label="lab_dei_EntityRegistrantName" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Entity Registrant Name</link:label>
    <link:label id="lab_dei_EntityRegistrantName_label_en-US" xlink:label="lab_dei_EntityRegistrantName" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Entity Registrant Name</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityRegistrantName" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityRegistrantName"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityRegistrantName" xlink:to="lab_dei_EntityRegistrantName" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract_baec2041-1ce8-471c-8778-a8d7a8504b37_terseLabel_en-US" xlink:label="lab_us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">NON-CASH TRANSACTIONS</link:label>
    <link:label id="lab_us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract_label_en-US" xlink:label="lab_us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract" xlink:to="lab_us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_NonoperatingIncomeExpense_9a94af60-f517-4a64-bf8d-acb63597d18c_totalLabel_en-US" xlink:label="lab_us-gaap_NonoperatingIncomeExpense" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Total other income (expense), net</link:label>
    <link:label id="lab_us-gaap_NonoperatingIncomeExpense_fb2ff597-7ef5-4c32-a244-4a55f66e1dc5_terseLabel_en-US" xlink:label="lab_us-gaap_NonoperatingIncomeExpense" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Total other expense, net</link:label>
    <link:label id="lab_us-gaap_NonoperatingIncomeExpense_label_en-US" xlink:label="lab_us-gaap_NonoperatingIncomeExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Nonoperating Income (Expense)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NonoperatingIncomeExpense" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NonoperatingIncomeExpense"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NonoperatingIncomeExpense" xlink:to="lab_us-gaap_NonoperatingIncomeExpense" xlink:type="arc" order="1"/>
    <link:label id="lab_ngs_IncreaseDecreaseInContractWithCustomerLiability_309032da-ab1b-40a0-80c7-63a5295dc306_terseLabel_en-US" xlink:label="lab_ngs_IncreaseDecreaseInContractWithCustomerLiability" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Deferred income</link:label>
    <link:label id="lab_ngs_IncreaseDecreaseInContractWithCustomerLiability_label_en-US" xlink:label="lab_ngs_IncreaseDecreaseInContractWithCustomerLiability" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Increase (Decrease) In Contract With Customer, Liability</link:label>
    <link:label id="lab_ngs_IncreaseDecreaseInContractWithCustomerLiability_documentation_en-US" xlink:label="lab_ngs_IncreaseDecreaseInContractWithCustomerLiability" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Increase (Decrease) In Contract With Customer, Liability</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ngs_IncreaseDecreaseInContractWithCustomerLiability" xlink:href="ngs-20180630.xsd#ngs_IncreaseDecreaseInContractWithCustomerLiability"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ngs_IncreaseDecreaseInContractWithCustomerLiability" xlink:to="lab_ngs_IncreaseDecreaseInContractWithCustomerLiability" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_LifeInsuranceCorporateOrBankOwnedChangeInValue_8ad4af80-e1ae-4259-b650-3b4ecb86f6bd_negatedLabel_en-US" xlink:label="lab_us-gaap_LifeInsuranceCorporateOrBankOwnedChangeInValue" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Loss (gain) on company owned life insurance</link:label>
    <link:label id="lab_us-gaap_LifeInsuranceCorporateOrBankOwnedChangeInValue_label_en-US" xlink:label="lab_us-gaap_LifeInsuranceCorporateOrBankOwnedChangeInValue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Life Insurance, Corporate or Bank Owned, Change in Value</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LifeInsuranceCorporateOrBankOwnedChangeInValue" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LifeInsuranceCorporateOrBankOwnedChangeInValue"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LifeInsuranceCorporateOrBankOwnedChangeInValue" xlink:to="lab_us-gaap_LifeInsuranceCorporateOrBankOwnedChangeInValue" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ChiefFinancialOfficerMember_6073cedd-c4d7-4941-8a29-21d23dbae2aa_terseLabel_en-US" xlink:label="lab_us-gaap_ChiefFinancialOfficerMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Chief Financial Officer</link:label>
    <link:label id="lab_us-gaap_ChiefFinancialOfficerMember_label_en-US" xlink:label="lab_us-gaap_ChiefFinancialOfficerMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Chief Financial Officer [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ChiefFinancialOfficerMember" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ChiefFinancialOfficerMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ChiefFinancialOfficerMember" xlink:to="lab_us-gaap_ChiefFinancialOfficerMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1_84ce3a15-b252-479f-adc2-6fc90ff2735e_terseLabel_en-US" xlink:label="lab_us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Options exercisable, weighted average exercise price (in USD per share)</link:label>
    <link:label id="lab_us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1_label_en-US" xlink:label="lab_us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Exercisable Options, Weighted Average Exercise Price</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1" xlink:to="lab_us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_LiabilitiesCurrentAbstract_ed055d89-ae29-4fc2-91a6-d98ec9fffc88_terseLabel_en-US" xlink:label="lab_us-gaap_LiabilitiesCurrentAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Current Liabilities:</link:label>
    <link:label id="lab_us-gaap_LiabilitiesCurrentAbstract_label_en-US" xlink:label="lab_us-gaap_LiabilitiesCurrentAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Liabilities, Current [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrentAbstract" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LiabilitiesCurrentAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract" xlink:to="lab_us-gaap_LiabilitiesCurrentAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_AmendmentFlag_649c3df0-9406-4d98-a018-68210f156fef_terseLabel_en-US" xlink:label="lab_dei_AmendmentFlag" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Amendment Flag</link:label>
    <link:label id="lab_dei_AmendmentFlag_label_en-US" xlink:label="lab_dei_AmendmentFlag" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Amendment Flag</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_AmendmentFlag" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_AmendmentFlag"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_AmendmentFlag" xlink:to="lab_dei_AmendmentFlag" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_SellingGeneralAndAdministrativeExpense_67b74650-f0ce-4762-a218-6abb24789f2d_terseLabel_en-US" xlink:label="lab_us-gaap_SellingGeneralAndAdministrativeExpense" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Selling, general and administrative expense</link:label>
    <link:label id="lab_us-gaap_SellingGeneralAndAdministrativeExpense_label_en-US" xlink:label="lab_us-gaap_SellingGeneralAndAdministrativeExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Selling, General and Administrative Expense</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SellingGeneralAndAdministrativeExpense" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SellingGeneralAndAdministrativeExpense"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SellingGeneralAndAdministrativeExpense" xlink:to="lab_us-gaap_SellingGeneralAndAdministrativeExpense" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares_4772b43e-d74e-41fc-b337-3004a1e8503c_periodStartLabel_en-US" xlink:label="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Unvested, beginning of period (in shares)</link:label>
    <link:label id="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares_f11d1670-0e10-4de7-8c97-c59cf989685b_periodEndLabel_en-US" xlink:label="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Unvested, end of period (in shares)</link:label>
    <link:label id="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares_label_en-US" xlink:label="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Number of Shares</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares" xlink:to="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_bf7790ae-d2a6-447f-b80e-f9a83924627b_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Exercised (in shares)</link:label>
    <link:label id="lab_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_label_en-US" xlink:label="lab_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised" xlink:to="lab_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised" xlink:type="arc" order="1"/>
    <link:label id="lab_ngs_LineOfCreditFacilityReferenceRateNumberOfAllowableBorrowingsOutstanding_3fa40d01-a260-43a6-9d6f-01c1d5b7d0d6_terseLabel_en-US" xlink:label="lab_ngs_LineOfCreditFacilityReferenceRateNumberOfAllowableBorrowingsOutstanding" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Reference rate, number of allowable LIBOR-based borrowings outstanding</link:label>
    <link:label id="lab_ngs_LineOfCreditFacilityReferenceRateNumberOfAllowableBorrowingsOutstanding_label_en-US" xlink:label="lab_ngs_LineOfCreditFacilityReferenceRateNumberOfAllowableBorrowingsOutstanding" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Line of Credit Facility, Reference Rate, Number of Allowable Borrowings Outstanding</link:label>
    <link:label id="lab_ngs_LineOfCreditFacilityReferenceRateNumberOfAllowableBorrowingsOutstanding_documentation_en-US" xlink:label="lab_ngs_LineOfCreditFacilityReferenceRateNumberOfAllowableBorrowingsOutstanding" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Line of Credit Facility, Reference Rate, Number of Allowable Borrowings Outstanding (e.g. LIBOR Rate, CB Floating Rate, etc.)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ngs_LineOfCreditFacilityReferenceRateNumberOfAllowableBorrowingsOutstanding" xlink:href="ngs-20180630.xsd#ngs_LineOfCreditFacilityReferenceRateNumberOfAllowableBorrowingsOutstanding"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ngs_LineOfCreditFacilityReferenceRateNumberOfAllowableBorrowingsOutstanding" xlink:to="lab_ngs_LineOfCreditFacilityReferenceRateNumberOfAllowableBorrowingsOutstanding" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedWeightedAverageGrantDateFairValue_6e90154d-64d4-424c-9452-4075baef1ecf_terseLabel_en-US" xlink:label="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedWeightedAverageGrantDateFairValue" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Vested, weighted average grant date fair value (in USD per share)</link:label>
    <link:label id="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedWeightedAverageGrantDateFairValue_label_en-US" xlink:label="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedWeightedAverageGrantDateFairValue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested, Weighted Average Grant Date Fair Value</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedWeightedAverageGrantDateFairValue" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedWeightedAverageGrantDateFairValue"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedWeightedAverageGrantDateFairValue" xlink:to="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedWeightedAverageGrantDateFairValue" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_EntityWideInformationRevenueFromExternalCustomerLineItems_46019f70-f7e7-4047-b044-a13d38955b78_terseLabel_en-US" xlink:label="lab_us-gaap_EntityWideInformationRevenueFromExternalCustomerLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Revenue from External Customer [Line Items]</link:label>
    <link:label id="lab_us-gaap_EntityWideInformationRevenueFromExternalCustomerLineItems_label_en-US" xlink:label="lab_us-gaap_EntityWideInformationRevenueFromExternalCustomerLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Revenue from External Customer [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EntityWideInformationRevenueFromExternalCustomerLineItems" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EntityWideInformationRevenueFromExternalCustomerLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EntityWideInformationRevenueFromExternalCustomerLineItems" xlink:to="lab_us-gaap_EntityWideInformationRevenueFromExternalCustomerLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_LiabilitiesAndStockholdersEquityAbstract_0518cdfb-9859-4650-abc2-a004fc5c488a_terseLabel_en-US" xlink:label="lab_us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">LIABILITIES AND STOCKHOLDERS' EQUITY</link:label>
    <link:label id="lab_us-gaap_LiabilitiesAndStockholdersEquityAbstract_label_en-US" xlink:label="lab_us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Liabilities and Equity [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquityAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:to="lab_us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ngs_LineOfCreditFacilityDefaultTriggerCertainDefaultsOfOtherCompanyIndebtednessAmount_d35e3d7b-0c47-478f-9f61-323b336542b3_terseLabel_en-US" xlink:label="lab_ngs_LineOfCreditFacilityDefaultTriggerCertainDefaultsOfOtherCompanyIndebtednessAmount" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Default trigger, certain defaults of other company indebtedness, amount</link:label>
    <link:label id="lab_ngs_LineOfCreditFacilityDefaultTriggerCertainDefaultsOfOtherCompanyIndebtednessAmount_label_en-US" xlink:label="lab_ngs_LineOfCreditFacilityDefaultTriggerCertainDefaultsOfOtherCompanyIndebtednessAmount" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Line of Credit Facility, Default Trigger, Certain Defaults of Other Company Indebtedness, Amount</link:label>
    <link:label id="lab_ngs_LineOfCreditFacilityDefaultTriggerCertainDefaultsOfOtherCompanyIndebtednessAmount_documentation_en-US" xlink:label="lab_ngs_LineOfCreditFacilityDefaultTriggerCertainDefaultsOfOtherCompanyIndebtednessAmount" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Line of Credit Facility, Default Trigger, Certain Defaults of Other Company Indebtedness, Amount</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ngs_LineOfCreditFacilityDefaultTriggerCertainDefaultsOfOtherCompanyIndebtednessAmount" xlink:href="ngs-20180630.xsd#ngs_LineOfCreditFacilityDefaultTriggerCertainDefaultsOfOtherCompanyIndebtednessAmount"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ngs_LineOfCreditFacilityDefaultTriggerCertainDefaultsOfOtherCompanyIndebtednessAmount" xlink:to="lab_ngs_LineOfCreditFacilityDefaultTriggerCertainDefaultsOfOtherCompanyIndebtednessAmount" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DeferredIncomeTaxLiabilitiesNet_6ebcb238-cfcd-4fb5-8d5f-3fafa15b0c7a_terseLabel_en-US" xlink:label="lab_us-gaap_DeferredIncomeTaxLiabilitiesNet" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Deferred income tax liability</link:label>
    <link:label id="lab_us-gaap_DeferredIncomeTaxLiabilitiesNet_label_en-US" xlink:label="lab_us-gaap_DeferredIncomeTaxLiabilitiesNet" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Deferred Income Tax Liabilities, Net</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxLiabilitiesNet" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DeferredIncomeTaxLiabilitiesNet"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DeferredIncomeTaxLiabilitiesNet" xlink:to="lab_us-gaap_DeferredIncomeTaxLiabilitiesNet" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_ceef0c96-c1be-4da2-a37f-f458cd440e3d_terseLabel_en-US" xlink:label="lab_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Revenue from contract with customer, excluding assessed tax</link:label>
    <link:label id="lab_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_label_en-US" xlink:label="lab_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Revenue from Contract with Customer, Excluding Assessed Tax</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax" xlink:to="lab_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_CreditFacilityDomain_8e256e3f-1370-4008-8ccd-392c1ca8f732_terseLabel_en-US" xlink:label="lab_us-gaap_CreditFacilityDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Credit Facility [Domain]</link:label>
    <link:label id="lab_us-gaap_CreditFacilityDomain_label_en-US" xlink:label="lab_us-gaap_CreditFacilityDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Credit Facility [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CreditFacilityDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CreditFacilityDomain" xlink:to="lab_us-gaap_CreditFacilityDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_LegalMattersAndContingenciesTextBlock_f10a6a6a-feb5-472f-83cf-dcdc963235c7_terseLabel_en-US" xlink:label="lab_us-gaap_LegalMattersAndContingenciesTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Commitments and Contingencies</link:label>
    <link:label id="lab_us-gaap_LegalMattersAndContingenciesTextBlock_label_en-US" xlink:label="lab_us-gaap_LegalMattersAndContingenciesTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Legal Matters and Contingencies [Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LegalMattersAndContingenciesTextBlock" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LegalMattersAndContingenciesTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LegalMattersAndContingenciesTextBlock" xlink:to="lab_us-gaap_LegalMattersAndContingenciesTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ngs_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsCanceledOrForfeitedWeightedAverageGrantDateFairValue_8accedf6-9d70-4ffa-9b47-769872c70a48_terseLabel_en-US" xlink:label="lab_ngs_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsCanceledOrForfeitedWeightedAverageGrantDateFairValue" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Canceled/Forfeited, weighted average grant date fair value (in USD per share)</link:label>
    <link:label id="lab_ngs_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsCanceledOrForfeitedWeightedAverageGrantDateFairValue_label_en-US" xlink:label="lab_ngs_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsCanceledOrForfeitedWeightedAverageGrantDateFairValue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Share-based Compensation Arrangement By Share-based Payment Award, Options, Nonvested Options Canceled Or Forfeited, Weighted Average Grant Date Fair Value</link:label>
    <link:label id="lab_ngs_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsCanceledOrForfeitedWeightedAverageGrantDateFairValue_documentation_en-US" xlink:label="lab_ngs_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsCanceledOrForfeitedWeightedAverageGrantDateFairValue" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Share-based Compensation Arrangement By Share-based Payment Award, Options, Nonvested Options Canceled Or Forfeited, Weighted Average Grant Date Fair Value</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ngs_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsCanceledOrForfeitedWeightedAverageGrantDateFairValue" xlink:href="ngs-20180630.xsd#ngs_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsCanceledOrForfeitedWeightedAverageGrantDateFairValue"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ngs_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsCanceledOrForfeitedWeightedAverageGrantDateFairValue" xlink:to="lab_ngs_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsCanceledOrForfeitedWeightedAverageGrantDateFairValue" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityCentralIndexKey_1b06e310-24ce-43c4-9caa-5034238efe0b_terseLabel_en-US" xlink:label="lab_dei_EntityCentralIndexKey" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Entity Central Index Key</link:label>
    <link:label id="lab_dei_EntityCentralIndexKey_label_en-US" xlink:label="lab_dei_EntityCentralIndexKey" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Entity Central Index Key</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityCentralIndexKey" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityCentralIndexKey"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityCentralIndexKey" xlink:to="lab_dei_EntityCentralIndexKey" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_SegmentReportingAbstract_label_en-US" xlink:label="lab_us-gaap_SegmentReportingAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Segment Reporting [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentReportingAbstract" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SegmentReportingAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SegmentReportingAbstract" xlink:to="lab_us-gaap_SegmentReportingAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ngs_InventoryCurrentRawMaterialsNetofReserves_70b69403-9d0c-402f-827d-e7ca639b4be2_terseLabel_en-US" xlink:label="lab_ngs_InventoryCurrentRawMaterialsNetofReserves" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Raw materials - current</link:label>
    <link:label id="lab_ngs_InventoryCurrentRawMaterialsNetofReserves_label_en-US" xlink:label="lab_ngs_InventoryCurrentRawMaterialsNetofReserves" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Inventory, Current Raw Materials, Net of Reserves</link:label>
    <link:label id="lab_ngs_InventoryCurrentRawMaterialsNetofReserves_documentation_en-US" xlink:label="lab_ngs_InventoryCurrentRawMaterialsNetofReserves" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Inventory, Current Raw Materials, Net of Reserves</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ngs_InventoryCurrentRawMaterialsNetofReserves" xlink:href="ngs-20180630.xsd#ngs_InventoryCurrentRawMaterialsNetofReserves"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ngs_InventoryCurrentRawMaterialsNetofReserves" xlink:to="lab_ngs_InventoryCurrentRawMaterialsNetofReserves" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLineItems_acbc409c-8fa6-4738-903b-791312b374a5_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLineItems_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLineItems" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLineItems" xlink:to="lab_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_SegmentReportingPolicyPolicyTextBlock_a4d536a9-aa72-4cd2-9e51-d3937b4d2e9f_terseLabel_en-US" xlink:label="lab_us-gaap_SegmentReportingPolicyPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Segment Information</link:label>
    <link:label id="lab_us-gaap_SegmentReportingPolicyPolicyTextBlock_label_en-US" xlink:label="lab_us-gaap_SegmentReportingPolicyPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Segment Reporting, Policy [Policy Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentReportingPolicyPolicyTextBlock" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SegmentReportingPolicyPolicyTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SegmentReportingPolicyPolicyTextBlock" xlink:to="lab_us-gaap_SegmentReportingPolicyPolicyTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_b8b99cf7-c055-4586-81f3-97755d49f9ab_terseLabel_en-US" xlink:label="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Denominator for diluted net income per share:</link:label>
    <link:label id="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_label_en-US" xlink:label="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Weighted Average Number of Shares Outstanding, Diluted [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract" xlink:to="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_NetIncomeLossAbstract_b5d47ac0-d0b8-456c-be36-6ad0ec0d611b_terseLabel_en-US" xlink:label="lab_us-gaap_NetIncomeLossAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Numerator:</link:label>
    <link:label id="lab_us-gaap_NetIncomeLossAbstract_label_en-US" xlink:label="lab_us-gaap_NetIncomeLossAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Net Income (Loss) Attributable to Parent [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLossAbstract" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NetIncomeLossAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetIncomeLossAbstract" xlink:to="lab_us-gaap_NetIncomeLossAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_StatementOfCashFlowsAbstract_label_en-US" xlink:label="lab_us-gaap_StatementOfCashFlowsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Statement of Cash Flows [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementOfCashFlowsAbstract" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StatementOfCashFlowsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StatementOfCashFlowsAbstract" xlink:to="lab_us-gaap_StatementOfCashFlowsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_InterestExpense_bf8e1602-c6a6-498a-8e08-d479edcf60e1_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_InterestExpense" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Interest expense</link:label>
    <link:label id="lab_us-gaap_InterestExpense_label_en-US" xlink:label="lab_us-gaap_InterestExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Interest Expense</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestExpense" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InterestExpense"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InterestExpense" xlink:to="lab_us-gaap_InterestExpense" xlink:type="arc" order="1"/>
    <link:label id="lab_ngs_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsIntrinsicValueRollForward_df956019-e296-435f-82a2-e8c341b7d0d6_terseLabel_en-US" xlink:label="lab_ngs_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsIntrinsicValueRollForward" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Aggregate &#8233;Intrinsic &#8233;Value&#8233;(in thousands)</link:label>
    <link:label id="lab_ngs_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsIntrinsicValueRollForward_label_en-US" xlink:label="lab_ngs_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsIntrinsicValueRollForward" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Share-based Compensation Arrangements by Share-based Payment Award, Options, Intrinsic Value [Roll Forward]</link:label>
    <link:label id="lab_ngs_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsIntrinsicValueRollForward_documentation_en-US" xlink:label="lab_ngs_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsIntrinsicValueRollForward" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Share-based Compensation Arrangements by Share-based Payment Award, Options, Intrinsic Value [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ngs_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsIntrinsicValueRollForward" xlink:href="ngs-20180630.xsd#ngs_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsIntrinsicValueRollForward"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ngs_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsIntrinsicValueRollForward" xlink:to="lab_ngs_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsIntrinsicValueRollForward" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedNumberOfShares_fec13796-21d7-4cbc-8e77-b5628bca5fea_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedNumberOfShares" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Vested (in shares)</link:label>
    <link:label id="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedNumberOfShares_label_en-US" xlink:label="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedNumberOfShares" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested, Number of Shares</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedNumberOfShares" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedNumberOfShares"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedNumberOfShares" xlink:to="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedNumberOfShares" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_82b2700c-9c5f-4f50-869e-74c9b791323e_terseLabel_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Aggregate credit agreement commitment</link:label>
    <link:label id="lab_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_label_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Line of Credit Facility, Maximum Borrowing Capacity</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" xlink:to="lab_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_bd0cdab9-aff2-451f-aa57-45ac9911887e_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Number&#160;ofStock Options</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_PaymentsToAcquireLifeInsurancePolicies_448a7cc7-6795-42de-9051-ef3d5aeef725_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_PaymentsToAcquireLifeInsurancePolicies" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Purchase of company owned life insurance</link:label>
    <link:label id="lab_us-gaap_PaymentsToAcquireLifeInsurancePolicies_label_en-US" xlink:label="lab_us-gaap_PaymentsToAcquireLifeInsurancePolicies" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Payment to Acquire Life Insurance Policy, Investing Activities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireLifeInsurancePolicies" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PaymentsToAcquireLifeInsurancePolicies"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PaymentsToAcquireLifeInsurancePolicies" xlink:to="lab_us-gaap_PaymentsToAcquireLifeInsurancePolicies" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_CommonStockSharesAuthorized_4bc58319-2884-4b9a-927f-188f3d854e32_terseLabel_en-US" xlink:label="lab_us-gaap_CommonStockSharesAuthorized" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Common stock, shares authorized</link:label>
    <link:label id="lab_us-gaap_CommonStockSharesAuthorized_label_en-US" xlink:label="lab_us-gaap_CommonStockSharesAuthorized" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Common Stock, Shares Authorized</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockSharesAuthorized" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CommonStockSharesAuthorized"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CommonStockSharesAuthorized" xlink:to="lab_us-gaap_CommonStockSharesAuthorized" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ContractWithCustomerLiabilityCurrent_389ad43f-3ba3-4e46-b733-49b375e09cd8_terseLabel_en-US" xlink:label="lab_us-gaap_ContractWithCustomerLiabilityCurrent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Deferred income</link:label>
    <link:label id="lab_us-gaap_ContractWithCustomerLiabilityCurrent_label_en-US" xlink:label="lab_us-gaap_ContractWithCustomerLiabilityCurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Contract with Customer, Liability, Current</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerLiabilityCurrent" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ContractWithCustomerLiabilityCurrent"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ContractWithCustomerLiabilityCurrent" xlink:to="lab_us-gaap_ContractWithCustomerLiabilityCurrent" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable_fe9ce5ca-60bd-41d2-b076-48e7bf622d58_terseLabel_en-US" xlink:label="lab_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table]</link:label>
    <link:label id="lab_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable_label_en-US" xlink:label="lab_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable" xlink:to="lab_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_EarningsPerShareAbstract_82aabb26-547d-487c-9556-d8eb29d70a1d_terseLabel_en-US" xlink:label="lab_us-gaap_EarningsPerShareAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Earnings per share:</link:label>
    <link:label id="lab_us-gaap_EarningsPerShareAbstract_label_en-US" xlink:label="lab_us-gaap_EarningsPerShareAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Earnings Per Share [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareAbstract" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EarningsPerShareAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EarningsPerShareAbstract" xlink:to="lab_us-gaap_EarningsPerShareAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_48fa9fd3-5230-4241-9daa-3b7821454a6b_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Exercised (in USD per share)</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ProductsAndServicesDomain_44ca5a11-41e9-43ec-a293-f8c278bc5bc6_terseLabel_en-US" xlink:label="lab_us-gaap_ProductsAndServicesDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Products and Services [Domain]</link:label>
    <link:label id="lab_us-gaap_ProductsAndServicesDomain_label_en-US" xlink:label="lab_us-gaap_ProductsAndServicesDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Products and Services [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProductsAndServicesDomain" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProductsAndServicesDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProductsAndServicesDomain" xlink:to="lab_us-gaap_ProductsAndServicesDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_MinimumMember_a52f99eb-3d41-450f-9255-97983eada7d0_terseLabel_en-US" xlink:label="lab_us-gaap_MinimumMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Minimum</link:label>
    <link:label id="lab_us-gaap_MinimumMember_label_en-US" xlink:label="lab_us-gaap_MinimumMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Minimum [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MinimumMember" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_MinimumMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_MinimumMember" xlink:to="lab_us-gaap_MinimumMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTable_09dd8a51-0d76-49e8-a82f-28bcf869f199_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Revenue from External Customers by Products and Services [Table]</link:label>
    <link:label id="lab_us-gaap_ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTable_label_en-US" xlink:label="lab_us-gaap_ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Revenue from External Customers by Products and Services [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTable" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTable" xlink:to="lab_us-gaap_ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTable" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_AssetsCurrentAbstract_986366de-1ce2-4011-9029-dbb8059d5439_terseLabel_en-US" xlink:label="lab_us-gaap_AssetsCurrentAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Current Assets:</link:label>
    <link:label id="lab_us-gaap_AssetsCurrentAbstract_label_en-US" xlink:label="lab_us-gaap_AssetsCurrentAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Assets, Current [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsCurrentAbstract" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AssetsCurrentAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AssetsCurrentAbstract" xlink:to="lab_us-gaap_AssetsCurrentAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DisaggregationOfRevenueTableTextBlock_c86043a1-42fe-4790-855a-70418d0ca35c_terseLabel_en-US" xlink:label="lab_us-gaap_DisaggregationOfRevenueTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disaggregation of Revenue</link:label>
    <link:label id="lab_us-gaap_DisaggregationOfRevenueTableTextBlock_label_en-US" xlink:label="lab_us-gaap_DisaggregationOfRevenueTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disaggregation of Revenue [Table Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisaggregationOfRevenueTableTextBlock" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DisaggregationOfRevenueTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DisaggregationOfRevenueTableTextBlock" xlink:to="lab_us-gaap_DisaggregationOfRevenueTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_PropertyPlantAndEquipmentOtherNet_c0f566a6-f7c1-4a2e-9758-e1bb365ca23c_terseLabel_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentOtherNet" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Property and equipment, net of accumulated depreciation of $11,176 and $11,274, respectively</link:label>
    <link:label id="lab_us-gaap_PropertyPlantAndEquipmentOtherNet_label_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentOtherNet" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Property, Plant and Equipment, Other, Net</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentOtherNet" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PropertyPlantAndEquipmentOtherNet"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentOtherNet" xlink:to="lab_us-gaap_PropertyPlantAndEquipmentOtherNet" xlink:type="arc" order="1"/>
    <link:label id="lab_ngs_InventoryValuationReservesDeductions_add03025-2b33-4e36-a3c2-db62ef1e2ee2_terseLabel_en-US" xlink:label="lab_ngs_InventoryValuationReservesDeductions" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Write-offs of obsolete inventory against allowance</link:label>
    <link:label id="lab_ngs_InventoryValuationReservesDeductions_label_en-US" xlink:label="lab_ngs_InventoryValuationReservesDeductions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Inventory Valuation Reserves, Deductions</link:label>
    <link:label id="lab_ngs_InventoryValuationReservesDeductions_documentation_en-US" xlink:label="lab_ngs_InventoryValuationReservesDeductions" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Inventory Valuation Reserves, Deductions</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ngs_InventoryValuationReservesDeductions" xlink:href="ngs-20180630.xsd#ngs_InventoryValuationReservesDeductions"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ngs_InventoryValuationReservesDeductions" xlink:to="lab_ngs_InventoryValuationReservesDeductions" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_InventoryDisclosureTextBlock_b1ddf127-dd55-446c-a904-873a8337fdd2_terseLabel_en-US" xlink:label="lab_us-gaap_InventoryDisclosureTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Inventory</link:label>
    <link:label id="lab_us-gaap_InventoryDisclosureTextBlock_label_en-US" xlink:label="lab_us-gaap_InventoryDisclosureTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Inventory Disclosure [Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryDisclosureTextBlock" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InventoryDisclosureTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InventoryDisclosureTextBlock" xlink:to="lab_us-gaap_InventoryDisclosureTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_CreditFacilityAxis_20257276-3476-440e-93f6-6d57e909549a_terseLabel_en-US" xlink:label="lab_us-gaap_CreditFacilityAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Credit Facility [Axis]</link:label>
    <link:label id="lab_us-gaap_CreditFacilityAxis_label_en-US" xlink:label="lab_us-gaap_CreditFacilityAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Credit Facility [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityAxis" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CreditFacilityAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CreditFacilityAxis" xlink:to="lab_us-gaap_CreditFacilityAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_VariableRateDomain_474b01ee-a457-4773-85a6-e774504acdb1_terseLabel_en-US" xlink:label="lab_us-gaap_VariableRateDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Variable Rate [Domain]</link:label>
    <link:label id="lab_us-gaap_VariableRateDomain_label_en-US" xlink:label="lab_us-gaap_VariableRateDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Variable Rate [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableRateDomain" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_VariableRateDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_VariableRateDomain" xlink:to="lab_us-gaap_VariableRateDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ngs_RangeOneMember_e0e13508-af46-424b-9f98-a739015cc23e_terseLabel_en-US" xlink:label="lab_ngs_RangeOneMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">$0.01-15.70</link:label>
    <link:label id="lab_ngs_RangeOneMember_label_en-US" xlink:label="lab_ngs_RangeOneMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Range One [Member]</link:label>
    <link:label id="lab_ngs_RangeOneMember_documentation_en-US" xlink:label="lab_ngs_RangeOneMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Range One [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ngs_RangeOneMember" xlink:href="ngs-20180630.xsd#ngs_RangeOneMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ngs_RangeOneMember" xlink:to="lab_ngs_RangeOneMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_Revenues_8081f0eb-0445-41fe-8b09-42a162c71788_terseLabel_en-US" xlink:label="lab_us-gaap_Revenues" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Revenue</link:label>
    <link:label id="lab_us-gaap_Revenues_label_en-US" xlink:label="lab_us-gaap_Revenues" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Revenues</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Revenues" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_Revenues"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_Revenues" xlink:to="lab_us-gaap_Revenues" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_OtherLiabilitiesNoncurrent_b29f7d42-f35f-4442-a03d-2cec9f3385f0_terseLabel_en-US" xlink:label="lab_us-gaap_OtherLiabilitiesNoncurrent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Other long-term liabilities</link:label>
    <link:label id="lab_us-gaap_OtherLiabilitiesNoncurrent_label_en-US" xlink:label="lab_us-gaap_OtherLiabilitiesNoncurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Other Liabilities, Noncurrent</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLiabilitiesNoncurrent" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherLiabilitiesNoncurrent"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherLiabilitiesNoncurrent" xlink:to="lab_us-gaap_OtherLiabilitiesNoncurrent" xlink:type="arc" order="1"/>
    <link:label id="lab_ngs_LineOfCreditFacilityPotentialMaximumBorrowingCapacity_036ceba4-7f3d-4984-a078-e3f93eb0aa7e_terseLabel_en-US" xlink:label="lab_ngs_LineOfCreditFacilityPotentialMaximumBorrowingCapacity" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Potential maximum borrowing capacity</link:label>
    <link:label id="lab_ngs_LineOfCreditFacilityPotentialMaximumBorrowingCapacity_label_en-US" xlink:label="lab_ngs_LineOfCreditFacilityPotentialMaximumBorrowingCapacity" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Line of Credit Facility, Potential Maximum Borrowing Capacity</link:label>
    <link:label id="lab_ngs_LineOfCreditFacilityPotentialMaximumBorrowingCapacity_documentation_en-US" xlink:label="lab_ngs_LineOfCreditFacilityPotentialMaximumBorrowingCapacity" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Line of Credit Facility, Potential Maximum Borrowing Capacity</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ngs_LineOfCreditFacilityPotentialMaximumBorrowingCapacity" xlink:href="ngs-20180630.xsd#ngs_LineOfCreditFacilityPotentialMaximumBorrowingCapacity"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ngs_LineOfCreditFacilityPotentialMaximumBorrowingCapacity" xlink:to="lab_ngs_LineOfCreditFacilityPotentialMaximumBorrowingCapacity" xlink:type="arc" order="1"/>
    <link:label id="lab_ngs_AccumulatedDepreciationRentalEquipment_5fc1232b-1df7-4ed8-b8a8-096de72a7fb7_terseLabel_en-US" xlink:label="lab_ngs_AccumulatedDepreciationRentalEquipment" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Accumulated depreciation, rental equipment</link:label>
    <link:label id="lab_ngs_AccumulatedDepreciationRentalEquipment_label_en-US" xlink:label="lab_ngs_AccumulatedDepreciationRentalEquipment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Accumulated Depreciation Rental Equipment</link:label>
    <link:label id="lab_ngs_AccumulatedDepreciationRentalEquipment_documentation_en-US" xlink:label="lab_ngs_AccumulatedDepreciationRentalEquipment" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Accumulated Depreciation Rental Equipment</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ngs_AccumulatedDepreciationRentalEquipment" xlink:href="ngs-20180630.xsd#ngs_AccumulatedDepreciationRentalEquipment"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ngs_AccumulatedDepreciationRentalEquipment" xlink:to="lab_ngs_AccumulatedDepreciationRentalEquipment" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ProceedsFromStockOptionsExercised_ad9b37a4-ece1-442e-9965-d4c94cc99b23_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromStockOptionsExercised" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Proceeds from exercise of stock options</link:label>
    <link:label id="lab_us-gaap_ProceedsFromStockOptionsExercised_label_en-US" xlink:label="lab_us-gaap_ProceedsFromStockOptionsExercised" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Proceeds from Stock Options Exercised</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromStockOptionsExercised" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProceedsFromStockOptionsExercised"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProceedsFromStockOptionsExercised" xlink:to="lab_us-gaap_ProceedsFromStockOptionsExercised" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_StockholdersEquity_83b43310-4573-48b2-8c3c-09f0ddf7a104_totalLabel_en-US" xlink:label="lab_us-gaap_StockholdersEquity" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Total stockholders' equity</link:label>
    <link:label id="lab_us-gaap_StockholdersEquity_label_en-US" xlink:label="lab_us-gaap_StockholdersEquity" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Stockholders' Equity Attributable to Parent</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StockholdersEquity"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StockholdersEquity" xlink:to="lab_us-gaap_StockholdersEquity" xlink:type="arc" order="1"/>
    <link:label id="lab_ngs_InventoryNoncurrentRawMaterialsNetofReserves_6597490f-988e-4d51-a2e1-63e82d1c4951_terseLabel_en-US" xlink:label="lab_ngs_InventoryNoncurrentRawMaterialsNetofReserves" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Raw materials - long-term</link:label>
    <link:label id="lab_ngs_InventoryNoncurrentRawMaterialsNetofReserves_label_en-US" xlink:label="lab_ngs_InventoryNoncurrentRawMaterialsNetofReserves" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Inventory, Noncurrent Raw Materials, Net of Reserves</link:label>
    <link:label id="lab_ngs_InventoryNoncurrentRawMaterialsNetofReserves_documentation_en-US" xlink:label="lab_ngs_InventoryNoncurrentRawMaterialsNetofReserves" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Inventory, Noncurrent Raw Materials, Net of Reserves</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ngs_InventoryNoncurrentRawMaterialsNetofReserves" xlink:href="ngs-20180630.xsd#ngs_InventoryNoncurrentRawMaterialsNetofReserves"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ngs_InventoryNoncurrentRawMaterialsNetofReserves" xlink:to="lab_ngs_InventoryNoncurrentRawMaterialsNetofReserves" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_EarningsPerShareTextBlock_ffc44a43-af7a-42ba-8e85-8b89376d8ed2_terseLabel_en-US" xlink:label="lab_us-gaap_EarningsPerShareTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Earnings per Share</link:label>
    <link:label id="lab_us-gaap_EarningsPerShareTextBlock_label_en-US" xlink:label="lab_us-gaap_EarningsPerShareTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Earnings Per Share [Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareTextBlock" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EarningsPerShareTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EarningsPerShareTextBlock" xlink:to="lab_us-gaap_EarningsPerShareTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_01fe6fcf-3ed9-45e9-a640-a90e0cef9521_terseLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Accounts payable and accrued liabilities</link:label>
    <link:label id="lab_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Increase (Decrease) in Accounts Payable and Accrued Liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities" xlink:to="lab_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_InventoryWorkInProcessNetOfReserves_87170a31-c3f7-46e1-8900-10bf461831d1_terseLabel_en-US" xlink:label="lab_us-gaap_InventoryWorkInProcessNetOfReserves" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Work in process</link:label>
    <link:label id="lab_us-gaap_InventoryWorkInProcessNetOfReserves_label_en-US" xlink:label="lab_us-gaap_InventoryWorkInProcessNetOfReserves" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Inventory, Work in Process, Net of Reserves</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryWorkInProcessNetOfReserves" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InventoryWorkInProcessNetOfReserves"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InventoryWorkInProcessNetOfReserves" xlink:to="lab_us-gaap_InventoryWorkInProcessNetOfReserves" xlink:type="arc" order="1"/>
    <link:label id="lab_ngs_DocumentAndEntityInformationAbstract_label_en-US" xlink:label="lab_ngs_DocumentAndEntityInformationAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Document and Entity Information [Abstract]</link:label>
    <link:label id="lab_ngs_DocumentAndEntityInformationAbstract_documentation_en-US" xlink:label="lab_ngs_DocumentAndEntityInformationAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Document and Entity Information [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ngs_DocumentAndEntityInformationAbstract" xlink:href="ngs-20180630.xsd#ngs_DocumentAndEntityInformationAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ngs_DocumentAndEntityInformationAbstract" xlink:to="lab_ngs_DocumentAndEntityInformationAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ngs_AntidilutiveEffectMember_dd5d5696-6fa9-46c0-b3b2-0b46424351ac_terseLabel_en-US" xlink:label="lab_ngs_AntidilutiveEffectMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Antidilutive Effect</link:label>
    <link:label id="lab_ngs_AntidilutiveEffectMember_label_en-US" xlink:label="lab_ngs_AntidilutiveEffectMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Antidilutive Effect [Member]</link:label>
    <link:label id="lab_ngs_AntidilutiveEffectMember_documentation_en-US" xlink:label="lab_ngs_AntidilutiveEffectMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Antidilutive Effect [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ngs_AntidilutiveEffectMember" xlink:href="ngs-20180630.xsd#ngs_AntidilutiveEffectMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ngs_AntidilutiveEffectMember" xlink:to="lab_ngs_AntidilutiveEffectMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ngs_RangeFourMember_ffbd9426-b87e-4a00-b159-82148a692dd1_terseLabel_en-US" xlink:label="lab_ngs_RangeFourMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">$20.49-33.36</link:label>
    <link:label id="lab_ngs_RangeFourMember_label_en-US" xlink:label="lab_ngs_RangeFourMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Range Four [Member]</link:label>
    <link:label id="lab_ngs_RangeFourMember_documentation_en-US" xlink:label="lab_ngs_RangeFourMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Range Four [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ngs_RangeFourMember" xlink:href="ngs-20180630.xsd#ngs_RangeFourMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ngs_RangeFourMember" xlink:to="lab_ngs_RangeFourMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ContractWithCustomerAssetAndLiabilityTableTextBlock_f5634e52-9911-470c-b48e-c41cef3b9e24_terseLabel_en-US" xlink:label="lab_us-gaap_ContractWithCustomerAssetAndLiabilityTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Schedule of Contract with Customer, Asset and Liability</link:label>
    <link:label id="lab_us-gaap_ContractWithCustomerAssetAndLiabilityTableTextBlock_label_en-US" xlink:label="lab_us-gaap_ContractWithCustomerAssetAndLiabilityTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Contract with Customer, Asset and Liability [Table Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerAssetAndLiabilityTableTextBlock" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ContractWithCustomerAssetAndLiabilityTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ContractWithCustomerAssetAndLiabilityTableTextBlock" xlink:to="lab_us-gaap_ContractWithCustomerAssetAndLiabilityTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ngs_LineOfCreditFacilityCurrentBorrowingCapacityAllowableShareOfTotalCommitmentAmountAttributableToGeneralInventoryComponent_f63dd2d4-9d0d-4692-a299-b96ddb3785ed_terseLabel_en-US" xlink:label="lab_ngs_LineOfCreditFacilityCurrentBorrowingCapacityAllowableShareOfTotalCommitmentAmountAttributableToGeneralInventoryComponent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Borrowing base, allowable share of total commitment amount attributable to inventory component</link:label>
    <link:label id="lab_ngs_LineOfCreditFacilityCurrentBorrowingCapacityAllowableShareOfTotalCommitmentAmountAttributableToGeneralInventoryComponent_label_en-US" xlink:label="lab_ngs_LineOfCreditFacilityCurrentBorrowingCapacityAllowableShareOfTotalCommitmentAmountAttributableToGeneralInventoryComponent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Line of Credit Facility, Current Borrowing Capacity, Allowable Share of Total Commitment Amount Attributable to General Inventory Component</link:label>
    <link:label id="lab_ngs_LineOfCreditFacilityCurrentBorrowingCapacityAllowableShareOfTotalCommitmentAmountAttributableToGeneralInventoryComponent_documentation_en-US" xlink:label="lab_ngs_LineOfCreditFacilityCurrentBorrowingCapacityAllowableShareOfTotalCommitmentAmountAttributableToGeneralInventoryComponent" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Line of Credit Facility, Current Borrowing Capacity, Allowable Share of Total Commitment Amount Attributable to General Inventory Component</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ngs_LineOfCreditFacilityCurrentBorrowingCapacityAllowableShareOfTotalCommitmentAmountAttributableToGeneralInventoryComponent" xlink:href="ngs-20180630.xsd#ngs_LineOfCreditFacilityCurrentBorrowingCapacityAllowableShareOfTotalCommitmentAmountAttributableToGeneralInventoryComponent"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ngs_LineOfCreditFacilityCurrentBorrowingCapacityAllowableShareOfTotalCommitmentAmountAttributableToGeneralInventoryComponent" xlink:to="lab_ngs_LineOfCreditFacilityCurrentBorrowingCapacityAllowableShareOfTotalCommitmentAmountAttributableToGeneralInventoryComponent" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_MaximumMember_27dcd181-3db5-46ee-b950-fbf0abcbc180_terseLabel_en-US" xlink:label="lab_us-gaap_MaximumMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Maximum</link:label>
    <link:label id="lab_us-gaap_MaximumMember_label_en-US" xlink:label="lab_us-gaap_MaximumMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Maximum [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MaximumMember" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_MaximumMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_MaximumMember" xlink:to="lab_us-gaap_MaximumMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_fb75ddde-d147-41a5-a0a3-58628be6ba47_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Exercisable (in USD per share)</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_LineOfCredit_a59283a2-5d7b-454f-b67a-1957339c137d_verboseLabel_en-US" xlink:label="lab_us-gaap_LineOfCredit" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Line of credit balance</link:label>
    <link:label id="lab_us-gaap_LineOfCredit_label_en-US" xlink:label="lab_us-gaap_LineOfCredit" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Long-term Line of Credit</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCredit" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LineOfCredit"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LineOfCredit" xlink:to="lab_us-gaap_LineOfCredit" xlink:type="arc" order="1"/>
  </link:labelLink>
</link:linkbase>
</XBRL>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-101.PRE
<SEQUENCE>10
<FILENAME>ngs-20180630_pre.xml
<DESCRIPTION>XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT
<TEXT>
<XBRL>
<?xml version="1.0" encoding="UTF-8"?>

<!--XBRL Document Created with Wdesk from Workiva-->
<!--Copyright 2017 Workiva-->
<!--r:099b662c-2119-4203-8f6b-49ac0226745a,g:9b7f8944-7e58-44f0-88c3-cc8518166311-->
<link:linkbase xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <link:roleRef roleURI="http://naturalgaservices.com/role/DocumentandEntityInformation" xlink:type="simple" xlink:href="ngs-20180630.xsd#DocumentandEntityInformation"/>
  <link:presentationLink xlink:role="http://naturalgaservices.com/role/DocumentandEntityInformation" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_ngs_DocumentAndEntityInformationAbstract_4f4d1a53-9828-4943-9f03-516ebc9250e4" xlink:href="ngs-20180630.xsd#ngs_DocumentAndEntityInformationAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityRegistrantName_c5de5e86-1bc4-4b5f-81fe-67d70bdc95e8" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityRegistrantName"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ngs_DocumentAndEntityInformationAbstract_4f4d1a53-9828-4943-9f03-516ebc9250e4" xlink:to="loc_dei_EntityRegistrantName_c5de5e86-1bc4-4b5f-81fe-67d70bdc95e8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityCentralIndexKey_8c4e0d8b-416c-4e9b-97c2-635a21d0c7ba" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityCentralIndexKey"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ngs_DocumentAndEntityInformationAbstract_4f4d1a53-9828-4943-9f03-516ebc9250e4" xlink:to="loc_dei_EntityCentralIndexKey_8c4e0d8b-416c-4e9b-97c2-635a21d0c7ba" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_CurrentFiscalYearEndDate_dc1b3793-4d02-427c-880f-169c598d6da0" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_CurrentFiscalYearEndDate"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ngs_DocumentAndEntityInformationAbstract_4f4d1a53-9828-4943-9f03-516ebc9250e4" xlink:to="loc_dei_CurrentFiscalYearEndDate_dc1b3793-4d02-427c-880f-169c598d6da0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityFilerCategory_60d6a17b-dc11-4441-bd86-b36a10a91e3a" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityFilerCategory"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ngs_DocumentAndEntityInformationAbstract_4f4d1a53-9828-4943-9f03-516ebc9250e4" xlink:to="loc_dei_EntityFilerCategory_60d6a17b-dc11-4441-bd86-b36a10a91e3a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentType_99cf7452-54fa-4ea0-81f6-1198e83fa8ba" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_DocumentType"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ngs_DocumentAndEntityInformationAbstract_4f4d1a53-9828-4943-9f03-516ebc9250e4" xlink:to="loc_dei_DocumentType_99cf7452-54fa-4ea0-81f6-1198e83fa8ba" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentPeriodEndDate_b18439f4-165e-403a-8fdf-9b75ce4c0781" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_DocumentPeriodEndDate"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ngs_DocumentAndEntityInformationAbstract_4f4d1a53-9828-4943-9f03-516ebc9250e4" xlink:to="loc_dei_DocumentPeriodEndDate_b18439f4-165e-403a-8fdf-9b75ce4c0781" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentFiscalYearFocus_4a220fb8-bc9a-421e-b4c8-b57f22bf5a33" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_DocumentFiscalYearFocus"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ngs_DocumentAndEntityInformationAbstract_4f4d1a53-9828-4943-9f03-516ebc9250e4" xlink:to="loc_dei_DocumentFiscalYearFocus_4a220fb8-bc9a-421e-b4c8-b57f22bf5a33" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentFiscalPeriodFocus_050b74ee-dc5e-4925-adda-1e53d6b25fa6" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_DocumentFiscalPeriodFocus"/>
    <link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ngs_DocumentAndEntityInformationAbstract_4f4d1a53-9828-4943-9f03-516ebc9250e4" xlink:to="loc_dei_DocumentFiscalPeriodFocus_050b74ee-dc5e-4925-adda-1e53d6b25fa6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_AmendmentFlag_071cf8fc-073b-46ec-b42d-59d429ca573b" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_AmendmentFlag"/>
    <link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ngs_DocumentAndEntityInformationAbstract_4f4d1a53-9828-4943-9f03-516ebc9250e4" xlink:to="loc_dei_AmendmentFlag_071cf8fc-073b-46ec-b42d-59d429ca573b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityCommonStockSharesOutstanding_cff50af7-4d88-41f2-913b-5005cd4ca44a" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityCommonStockSharesOutstanding"/>
    <link:presentationArc order="10" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ngs_DocumentAndEntityInformationAbstract_4f4d1a53-9828-4943-9f03-516ebc9250e4" xlink:to="loc_dei_EntityCommonStockSharesOutstanding_cff50af7-4d88-41f2-913b-5005cd4ca44a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://naturalgaservices.com/role/CondensedConsolidatedBalanceSheetsUnaudited" xlink:type="simple" xlink:href="ngs-20180630.xsd#CondensedConsolidatedBalanceSheetsUnaudited"/>
  <link:presentationLink xlink:role="http://naturalgaservices.com/role/CondensedConsolidatedBalanceSheetsUnaudited" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementOfFinancialPositionAbstract_798d4421-365d-44ef-b8e3-02aa463a6e6f" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StatementOfFinancialPositionAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsAbstract_159f9b57-b500-4a46-85ba-2dcef644a99a" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AssetsAbstract"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_798d4421-365d-44ef-b8e3-02aa463a6e6f" xlink:to="loc_us-gaap_AssetsAbstract_159f9b57-b500-4a46-85ba-2dcef644a99a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsCurrentAbstract_eb1850a7-1f79-4c44-8c4b-6b78c1c9ef33" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AssetsCurrentAbstract"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_159f9b57-b500-4a46-85ba-2dcef644a99a" xlink:to="loc_us-gaap_AssetsCurrentAbstract_eb1850a7-1f79-4c44-8c4b-6b78c1c9ef33" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_37070eb1-8708-42b9-8c73-f2216b126de9" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsCurrentAbstract_eb1850a7-1f79-4c44-8c4b-6b78c1c9ef33" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_37070eb1-8708-42b9-8c73-f2216b126de9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableNetCurrent_41533aaa-85bd-4c73-a26a-2b5909b7fdcf" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AccountsReceivableNetCurrent"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsCurrentAbstract_eb1850a7-1f79-4c44-8c4b-6b78c1c9ef33" xlink:to="loc_us-gaap_AccountsReceivableNetCurrent_41533aaa-85bd-4c73-a26a-2b5909b7fdcf" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryNet_c4fd4234-2565-40b7-8b1e-09777d7c2839" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InventoryNet"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsCurrentAbstract_eb1850a7-1f79-4c44-8c4b-6b78c1c9ef33" xlink:to="loc_us-gaap_InventoryNet_c4fd4234-2565-40b7-8b1e-09777d7c2839" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PrepaidTaxes_b195b67c-c9e7-443d-a8f3-18d682c57cba" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PrepaidTaxes"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsCurrentAbstract_eb1850a7-1f79-4c44-8c4b-6b78c1c9ef33" xlink:to="loc_us-gaap_PrepaidTaxes_b195b67c-c9e7-443d-a8f3-18d682c57cba" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_ad944dfd-3512-4170-a271-6cc1af67006f" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PrepaidExpenseAndOtherAssetsCurrent"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsCurrentAbstract_eb1850a7-1f79-4c44-8c4b-6b78c1c9ef33" xlink:to="loc_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_ad944dfd-3512-4170-a271-6cc1af67006f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsCurrent_d9db370f-e56a-46aa-a47d-c299d5974289" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AssetsCurrent"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsCurrentAbstract_eb1850a7-1f79-4c44-8c4b-6b78c1c9ef33" xlink:to="loc_us-gaap_AssetsCurrent_d9db370f-e56a-46aa-a47d-c299d5974289" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryNoncurrent_ca3e9cae-b12a-4bb2-a86a-c2e6fb9439e0" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InventoryNoncurrent"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_159f9b57-b500-4a46-85ba-2dcef644a99a" xlink:to="loc_us-gaap_InventoryNoncurrent_ca3e9cae-b12a-4bb2-a86a-c2e6fb9439e0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ngs_RentalEquipmentNet_6ce42992-3d43-4504-aa09-bd62d48e850a" xlink:href="ngs-20180630.xsd#ngs_RentalEquipmentNet"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_159f9b57-b500-4a46-85ba-2dcef644a99a" xlink:to="loc_ngs_RentalEquipmentNet_6ce42992-3d43-4504-aa09-bd62d48e850a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentOtherNet_846e8e3d-9e15-4bb9-9898-6c7afc3c96f1" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PropertyPlantAndEquipmentOtherNet"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_159f9b57-b500-4a46-85ba-2dcef644a99a" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentOtherNet_846e8e3d-9e15-4bb9-9898-6c7afc3c96f1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Goodwill_0b3de019-3561-4203-9a0f-bfea2dde182b" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_Goodwill"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_159f9b57-b500-4a46-85ba-2dcef644a99a" xlink:to="loc_us-gaap_Goodwill_0b3de019-3561-4203-9a0f-bfea2dde182b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_4263312f-bb09-468c-9a36-dd583445d944" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IntangibleAssetsNetExcludingGoodwill"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_159f9b57-b500-4a46-85ba-2dcef644a99a" xlink:to="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_4263312f-bb09-468c-9a36-dd583445d944" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetsNoncurrent_db34f4b7-3499-47d0-9955-892e24845097" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherAssetsNoncurrent"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_159f9b57-b500-4a46-85ba-2dcef644a99a" xlink:to="loc_us-gaap_OtherAssetsNoncurrent_db34f4b7-3499-47d0-9955-892e24845097" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Assets_9bb432eb-1160-4f7a-a5ec-59ff24d37ce0" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_Assets"/>
    <link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_159f9b57-b500-4a46-85ba-2dcef644a99a" xlink:to="loc_us-gaap_Assets_9bb432eb-1160-4f7a-a5ec-59ff24d37ce0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_4bb0ca08-fbf8-4c18-bec4-718971ddc5a3" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquityAbstract"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_798d4421-365d-44ef-b8e3-02aa463a6e6f" xlink:to="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_4bb0ca08-fbf8-4c18-bec4-718971ddc5a3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrentAbstract_119165ed-c7da-471e-b6b5-c65521955a22" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LiabilitiesCurrentAbstract"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_4bb0ca08-fbf8-4c18-bec4-718971ddc5a3" xlink:to="loc_us-gaap_LiabilitiesCurrentAbstract_119165ed-c7da-471e-b6b5-c65521955a22" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsPayableCurrent_da0b8cdb-3553-471b-832c-9b284b46c601" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AccountsPayableCurrent"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_119165ed-c7da-471e-b6b5-c65521955a22" xlink:to="loc_us-gaap_AccountsPayableCurrent_da0b8cdb-3553-471b-832c-9b284b46c601" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccruedLiabilitiesCurrent_c2f3a978-4ac8-4062-b072-6a6757ed0977" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AccruedLiabilitiesCurrent"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_119165ed-c7da-471e-b6b5-c65521955a22" xlink:to="loc_us-gaap_AccruedLiabilitiesCurrent_c2f3a978-4ac8-4062-b072-6a6757ed0977" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerLiabilityCurrent_f2839000-ae9b-4f44-bbd5-a71fd9ce1a62" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ContractWithCustomerLiabilityCurrent"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_119165ed-c7da-471e-b6b5-c65521955a22" xlink:to="loc_us-gaap_ContractWithCustomerLiabilityCurrent_f2839000-ae9b-4f44-bbd5-a71fd9ce1a62" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrent_1aaa0baf-72a0-425c-b407-9bfb65a315d7" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LiabilitiesCurrent"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_119165ed-c7da-471e-b6b5-c65521955a22" xlink:to="loc_us-gaap_LiabilitiesCurrent_1aaa0baf-72a0-425c-b407-9bfb65a315d7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermLineOfCredit_0bca267f-ac7c-4f85-beee-df4f2cdaec76" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LongTermLineOfCredit"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_4bb0ca08-fbf8-4c18-bec4-718971ddc5a3" xlink:to="loc_us-gaap_LongTermLineOfCredit_0bca267f-ac7c-4f85-beee-df4f2cdaec76" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxLiabilitiesNet_27d3c2cc-a340-4a5d-a752-32ad34295db4" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DeferredIncomeTaxLiabilitiesNet"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_4bb0ca08-fbf8-4c18-bec4-718971ddc5a3" xlink:to="loc_us-gaap_DeferredIncomeTaxLiabilitiesNet_27d3c2cc-a340-4a5d-a752-32ad34295db4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLiabilitiesNoncurrent_15285aba-2257-491e-a4af-f752abb176f7" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherLiabilitiesNoncurrent"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_4bb0ca08-fbf8-4c18-bec4-718971ddc5a3" xlink:to="loc_us-gaap_OtherLiabilitiesNoncurrent_15285aba-2257-491e-a4af-f752abb176f7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Liabilities_7cbbfebd-2195-4df8-880a-811c16e75622" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_Liabilities"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_4bb0ca08-fbf8-4c18-bec4-718971ddc5a3" xlink:to="loc_us-gaap_Liabilities_7cbbfebd-2195-4df8-880a-811c16e75622" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommitmentsAndContingencies_70e7a97f-69d0-49a9-848a-47761f3c040b" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CommitmentsAndContingencies"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_4bb0ca08-fbf8-4c18-bec4-718971ddc5a3" xlink:to="loc_us-gaap_CommitmentsAndContingencies_70e7a97f-69d0-49a9-848a-47761f3c040b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityAbstract_45827373-0f52-453d-a2e0-075e1df1e73c" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StockholdersEquityAbstract"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_4bb0ca08-fbf8-4c18-bec4-718971ddc5a3" xlink:to="loc_us-gaap_StockholdersEquityAbstract_45827373-0f52-453d-a2e0-075e1df1e73c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockValue_7c26ac71-1cb8-463b-8186-85b347924a09" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PreferredStockValue"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityAbstract_45827373-0f52-453d-a2e0-075e1df1e73c" xlink:to="loc_us-gaap_PreferredStockValue_7c26ac71-1cb8-463b-8186-85b347924a09" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockValue_a470b020-121e-46b1-84db-3b5f37dfa1be" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CommonStockValue"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityAbstract_45827373-0f52-453d-a2e0-075e1df1e73c" xlink:to="loc_us-gaap_CommonStockValue_a470b020-121e-46b1-84db-3b5f37dfa1be" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdditionalPaidInCapitalCommonStock_c622fb90-970e-4a9b-b713-af07afee555d" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AdditionalPaidInCapitalCommonStock"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityAbstract_45827373-0f52-453d-a2e0-075e1df1e73c" xlink:to="loc_us-gaap_AdditionalPaidInCapitalCommonStock_c622fb90-970e-4a9b-b713-af07afee555d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedEarningsAccumulatedDeficit_3102111a-1620-42b3-babf-b32116d1f8b1" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RetainedEarningsAccumulatedDeficit"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityAbstract_45827373-0f52-453d-a2e0-075e1df1e73c" xlink:to="loc_us-gaap_RetainedEarningsAccumulatedDeficit_3102111a-1620-42b3-babf-b32116d1f8b1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_ae79a915-44bc-4da8-932d-ba0306953d5f" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StockholdersEquity"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityAbstract_45827373-0f52-453d-a2e0-075e1df1e73c" xlink:to="loc_us-gaap_StockholdersEquity_ae79a915-44bc-4da8-932d-ba0306953d5f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquity_9ca42783-ee83-49d0-be6e-8d82e4318cb3" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquity"/>
    <link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_4bb0ca08-fbf8-4c18-bec4-718971ddc5a3" xlink:to="loc_us-gaap_LiabilitiesAndStockholdersEquity_9ca42783-ee83-49d0-be6e-8d82e4318cb3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://naturalgaservices.com/role/CondensedConsolidatedBalanceSheetsUnauditedParentheticals" xlink:type="simple" xlink:href="ngs-20180630.xsd#CondensedConsolidatedBalanceSheetsUnauditedParentheticals"/>
  <link:presentationLink xlink:role="http://naturalgaservices.com/role/CondensedConsolidatedBalanceSheetsUnauditedParentheticals" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementOfFinancialPositionAbstract_02eea96e-7a8f-48a5-9091-58c264e4f0d7" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StatementOfFinancialPositionAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsAbstract_8e8b68b2-ad4a-4379-b54a-6fd0aa08aa57" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AssetsAbstract"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_02eea96e-7a8f-48a5-9091-58c264e4f0d7" xlink:to="loc_us-gaap_AssetsAbstract_8e8b68b2-ad4a-4379-b54a-6fd0aa08aa57" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsCurrentAbstract_1f3e94db-1f76-4588-8f94-cc5c7b0134f8" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AssetsCurrentAbstract"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_8e8b68b2-ad4a-4379-b54a-6fd0aa08aa57" xlink:to="loc_us-gaap_AssetsCurrentAbstract_1f3e94db-1f76-4588-8f94-cc5c7b0134f8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_42e239ba-30ab-48d3-b4a8-7309edbd84f7" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsCurrentAbstract_1f3e94db-1f76-4588-8f94-cc5c7b0134f8" xlink:to="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_42e239ba-30ab-48d3-b4a8-7309edbd84f7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryValuationReserves_c1181511-8ede-4577-9130-6ff22f57dd84" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InventoryValuationReserves"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsCurrentAbstract_1f3e94db-1f76-4588-8f94-cc5c7b0134f8" xlink:to="loc_us-gaap_InventoryValuationReserves_c1181511-8ede-4577-9130-6ff22f57dd84" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsNoncurrentAbstract_10eea7ec-97d2-4684-9c2b-e61aeaabd1c0" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AssetsNoncurrentAbstract"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_8e8b68b2-ad4a-4379-b54a-6fd0aa08aa57" xlink:to="loc_us-gaap_AssetsNoncurrentAbstract_10eea7ec-97d2-4684-9c2b-e61aeaabd1c0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ngs_AccumulatedDepreciationRentalEquipment_4440a728-6f7c-4166-a699-835158c7f78c" xlink:href="ngs-20180630.xsd#ngs_AccumulatedDepreciationRentalEquipment"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsNoncurrentAbstract_10eea7ec-97d2-4684-9c2b-e61aeaabd1c0" xlink:to="loc_ngs_AccumulatedDepreciationRentalEquipment_4440a728-6f7c-4166-a699-835158c7f78c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_f656e73a-4d14-432d-9b99-c40af5b12428" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsNoncurrentAbstract_10eea7ec-97d2-4684-9c2b-e61aeaabd1c0" xlink:to="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_f656e73a-4d14-432d-9b99-c40af5b12428" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ngs_IntangibleAssetsAccumulatedAmortization_fb56f8b9-5aa2-4063-970e-0d599182a26c" xlink:href="ngs-20180630.xsd#ngs_IntangibleAssetsAccumulatedAmortization"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsNoncurrentAbstract_10eea7ec-97d2-4684-9c2b-e61aeaabd1c0" xlink:to="loc_ngs_IntangibleAssetsAccumulatedAmortization_fb56f8b9-5aa2-4063-970e-0d599182a26c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_f1df036b-142a-4155-9c91-63c027dee07c" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquityAbstract"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_02eea96e-7a8f-48a5-9091-58c264e4f0d7" xlink:to="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_f1df036b-142a-4155-9c91-63c027dee07c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityAbstract_e293cd27-7b42-43da-9037-00eee948b5b6" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StockholdersEquityAbstract"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_f1df036b-142a-4155-9c91-63c027dee07c" xlink:to="loc_us-gaap_StockholdersEquityAbstract_e293cd27-7b42-43da-9037-00eee948b5b6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockSharesAuthorized_7c43a916-c219-41c8-ac9c-8bfde054fae5" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PreferredStockSharesAuthorized"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityAbstract_e293cd27-7b42-43da-9037-00eee948b5b6" xlink:to="loc_us-gaap_PreferredStockSharesAuthorized_7c43a916-c219-41c8-ac9c-8bfde054fae5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockSharesIssued_c2a986d6-754d-4133-94ca-5a932114a4c2" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PreferredStockSharesIssued"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityAbstract_e293cd27-7b42-43da-9037-00eee948b5b6" xlink:to="loc_us-gaap_PreferredStockSharesIssued_c2a986d6-754d-4133-94ca-5a932114a4c2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockSharesOutstanding_cb88f46d-9d25-4110-8e1b-950185f5ca67" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PreferredStockSharesOutstanding"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityAbstract_e293cd27-7b42-43da-9037-00eee948b5b6" xlink:to="loc_us-gaap_PreferredStockSharesOutstanding_cb88f46d-9d25-4110-8e1b-950185f5ca67" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockParOrStatedValuePerShare_3542b6b6-1826-493d-80a6-28f08afa4fb7" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CommonStockParOrStatedValuePerShare"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityAbstract_e293cd27-7b42-43da-9037-00eee948b5b6" xlink:to="loc_us-gaap_CommonStockParOrStatedValuePerShare_3542b6b6-1826-493d-80a6-28f08afa4fb7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockSharesAuthorized_ddf20723-0399-4925-b428-fc08cd02c7bf" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CommonStockSharesAuthorized"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityAbstract_e293cd27-7b42-43da-9037-00eee948b5b6" xlink:to="loc_us-gaap_CommonStockSharesAuthorized_ddf20723-0399-4925-b428-fc08cd02c7bf" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockSharesIssued_0f20f53b-f2a8-4bfc-97bc-441303a8f7b7" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CommonStockSharesIssued"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityAbstract_e293cd27-7b42-43da-9037-00eee948b5b6" xlink:to="loc_us-gaap_CommonStockSharesIssued_0f20f53b-f2a8-4bfc-97bc-441303a8f7b7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockSharesOutstanding_bd353669-ca65-44da-b76c-2cdd424fd823" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CommonStockSharesOutstanding"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityAbstract_e293cd27-7b42-43da-9037-00eee948b5b6" xlink:to="loc_us-gaap_CommonStockSharesOutstanding_bd353669-ca65-44da-b76c-2cdd424fd823" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://naturalgaservices.com/role/CondensedConsolidatedIncomeStatementsUnaudited" xlink:type="simple" xlink:href="ngs-20180630.xsd#CondensedConsolidatedIncomeStatementsUnaudited"/>
  <link:presentationLink xlink:role="http://naturalgaservices.com/role/CondensedConsolidatedIncomeStatementsUnaudited" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementAbstract_0a06b9dc-3dd3-4cf7-9379-ee1e42209ba8" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncomeStatementAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementTable_5c407a8b-4c91-471e-9305-3c3116b298d3" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StatementTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementAbstract_0a06b9dc-3dd3-4cf7-9379-ee1e42209ba8" xlink:to="loc_us-gaap_StatementTable_5c407a8b-4c91-471e-9305-3c3116b298d3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProductOrServiceAxis_616ae575-f72e-44ad-82b2-0507e37a913c" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProductOrServiceAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_5c407a8b-4c91-471e-9305-3c3116b298d3" xlink:to="loc_us-gaap_ProductOrServiceAxis_616ae575-f72e-44ad-82b2-0507e37a913c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProductsAndServicesDomain_3f37ff59-c28f-4671-95b6-cf97c9e19673" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProductsAndServicesDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ProductOrServiceAxis_616ae575-f72e-44ad-82b2-0507e37a913c" xlink:to="loc_us-gaap_ProductsAndServicesDomain_3f37ff59-c28f-4671-95b6-cf97c9e19673" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ngs_RentalMember_68a2d2e2-e696-49c5-b915-bf93bd52c472" xlink:href="ngs-20180630.xsd#ngs_RentalMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ProductsAndServicesDomain_3f37ff59-c28f-4671-95b6-cf97c9e19673" xlink:to="loc_ngs_RentalMember_68a2d2e2-e696-49c5-b915-bf93bd52c472" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ngs_ProductSalesMember_ebe156b7-cb44-44ff-b278-3d493ce1ca66" xlink:href="ngs-20180630.xsd#ngs_ProductSalesMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ProductsAndServicesDomain_3f37ff59-c28f-4671-95b6-cf97c9e19673" xlink:to="loc_ngs_ProductSalesMember_ebe156b7-cb44-44ff-b278-3d493ce1ca66" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ngs_ServiceandMaintenanceMember_ecaaf797-3c85-4881-9dc8-8a7f526ad777" xlink:href="ngs-20180630.xsd#ngs_ServiceandMaintenanceMember"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ProductsAndServicesDomain_3f37ff59-c28f-4671-95b6-cf97c9e19673" xlink:to="loc_ngs_ServiceandMaintenanceMember_ecaaf797-3c85-4881-9dc8-8a7f526ad777" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementLineItems_eff0df03-fe91-40a7-9203-cbb312e84cf2" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StatementLineItems"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_5c407a8b-4c91-471e-9305-3c3116b298d3" xlink:to="loc_us-gaap_StatementLineItems_eff0df03-fe91-40a7-9203-cbb312e84cf2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SalesRevenueNetAbstract_73225d48-8f28-4b46-8460-3834a9abfc02" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SalesRevenueNetAbstract"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_eff0df03-fe91-40a7-9203-cbb312e84cf2" xlink:to="loc_us-gaap_SalesRevenueNetAbstract_73225d48-8f28-4b46-8460-3834a9abfc02" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Revenues_4261cb56-86dd-4837-b8e7-a81ca904ade5" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_Revenues"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SalesRevenueNetAbstract_73225d48-8f28-4b46-8460-3834a9abfc02" xlink:to="loc_us-gaap_Revenues_4261cb56-86dd-4837-b8e7-a81ca904ade5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostsAndExpensesAbstract_ac736f12-fd7f-41c0-b6c8-937e8929acc9" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CostsAndExpensesAbstract"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_eff0df03-fe91-40a7-9203-cbb312e84cf2" xlink:to="loc_us-gaap_CostsAndExpensesAbstract_ac736f12-fd7f-41c0-b6c8-937e8929acc9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DirectCostsOfLeasedAndRentedPropertyOrEquipment_8e89a018-b3bf-445f-9142-3c2aa09e31a3" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DirectCostsOfLeasedAndRentedPropertyOrEquipment"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CostsAndExpensesAbstract_ac736f12-fd7f-41c0-b6c8-937e8929acc9" xlink:to="loc_us-gaap_DirectCostsOfLeasedAndRentedPropertyOrEquipment_8e89a018-b3bf-445f-9142-3c2aa09e31a3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherCostOfOperatingRevenue_8fedd52a-933f-4ad7-a555-8443681af7ee" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherCostOfOperatingRevenue"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CostsAndExpensesAbstract_ac736f12-fd7f-41c0-b6c8-937e8929acc9" xlink:to="loc_us-gaap_OtherCostOfOperatingRevenue_8fedd52a-933f-4ad7-a555-8443681af7ee" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherCostOfServices_aa83b796-023e-40f4-9cf8-bd0a1bf5f330" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherCostOfServices"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CostsAndExpensesAbstract_ac736f12-fd7f-41c0-b6c8-937e8929acc9" xlink:to="loc_us-gaap_OtherCostOfServices_aa83b796-023e-40f4-9cf8-bd0a1bf5f330" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SellingGeneralAndAdministrativeExpense_1d50b09b-7dd6-40db-a6d6-67e9572a9559" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SellingGeneralAndAdministrativeExpense"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CostsAndExpensesAbstract_ac736f12-fd7f-41c0-b6c8-937e8929acc9" xlink:to="loc_us-gaap_SellingGeneralAndAdministrativeExpense_1d50b09b-7dd6-40db-a6d6-67e9572a9559" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DepreciationDepletionAndAmortization_aaf52154-eef2-4ad1-ba6f-44a7af75a26e" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DepreciationDepletionAndAmortization"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CostsAndExpensesAbstract_ac736f12-fd7f-41c0-b6c8-937e8929acc9" xlink:to="loc_us-gaap_DepreciationDepletionAndAmortization_aaf52154-eef2-4ad1-ba6f-44a7af75a26e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostsAndExpenses_d8ec0fa3-d572-400e-8dc3-8bed018a3995" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CostsAndExpenses"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CostsAndExpensesAbstract_ac736f12-fd7f-41c0-b6c8-937e8929acc9" xlink:to="loc_us-gaap_CostsAndExpenses_d8ec0fa3-d572-400e-8dc3-8bed018a3995" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_462f303e-f95a-4fff-8b25-e059eee9703b" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OperatingIncomeLoss"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_eff0df03-fe91-40a7-9203-cbb312e84cf2" xlink:to="loc_us-gaap_OperatingIncomeLoss_462f303e-f95a-4fff-8b25-e059eee9703b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NonoperatingIncomeExpenseAbstract_7ea91318-a3ce-43cb-a07c-27031d1053d2" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NonoperatingIncomeExpenseAbstract"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_eff0df03-fe91-40a7-9203-cbb312e84cf2" xlink:to="loc_us-gaap_NonoperatingIncomeExpenseAbstract_7ea91318-a3ce-43cb-a07c-27031d1053d2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestExpense_597d7b5b-6ccc-45e7-ae32-effadbc59cda" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InterestExpense"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NonoperatingIncomeExpenseAbstract_7ea91318-a3ce-43cb-a07c-27031d1053d2" xlink:to="loc_us-gaap_InterestExpense_597d7b5b-6ccc-45e7-ae32-effadbc59cda" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNonoperatingIncomeExpense_bab37722-b4a9-496d-b104-ca77e1c2a52e" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherNonoperatingIncomeExpense"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NonoperatingIncomeExpenseAbstract_7ea91318-a3ce-43cb-a07c-27031d1053d2" xlink:to="loc_us-gaap_OtherNonoperatingIncomeExpense_bab37722-b4a9-496d-b104-ca77e1c2a52e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NonoperatingIncomeExpense_26728967-3685-4e6a-8048-f7a3e9eb5975" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NonoperatingIncomeExpense"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NonoperatingIncomeExpenseAbstract_7ea91318-a3ce-43cb-a07c-27031d1053d2" xlink:to="loc_us-gaap_NonoperatingIncomeExpense_26728967-3685-4e6a-8048-f7a3e9eb5975" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_22636a64-3ef8-467d-b553-5dd73526f3ee" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_eff0df03-fe91-40a7-9203-cbb312e84cf2" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_22636a64-3ef8-467d-b553-5dd73526f3ee" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_58aa07eb-2e44-40f4-9281-ce680da0b3d5" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_eff0df03-fe91-40a7-9203-cbb312e84cf2" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_58aa07eb-2e44-40f4-9281-ce680da0b3d5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_697556f8-fe33-4a76-9047-24e09cd326d3" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NetIncomeLoss"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_eff0df03-fe91-40a7-9203-cbb312e84cf2" xlink:to="loc_us-gaap_NetIncomeLoss_697556f8-fe33-4a76-9047-24e09cd326d3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareAbstract_982e8f32-2d41-47e6-8637-b3344d1df64a" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EarningsPerShareAbstract"/>
    <link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_eff0df03-fe91-40a7-9203-cbb312e84cf2" xlink:to="loc_us-gaap_EarningsPerShareAbstract_982e8f32-2d41-47e6-8637-b3344d1df64a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareBasic_9ba2fe14-a376-4d0d-9c01-2b54359af06b" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EarningsPerShareBasic"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EarningsPerShareAbstract_982e8f32-2d41-47e6-8637-b3344d1df64a" xlink:to="loc_us-gaap_EarningsPerShareBasic_9ba2fe14-a376-4d0d-9c01-2b54359af06b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareDiluted_2187fdbf-13c7-48ed-90be-a694cac32bfb" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EarningsPerShareDiluted"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EarningsPerShareAbstract_982e8f32-2d41-47e6-8637-b3344d1df64a" xlink:to="loc_us-gaap_EarningsPerShareDiluted_2187fdbf-13c7-48ed-90be-a694cac32bfb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ngs_WeightedAverageSharesOutstandingBasicAndDilutedAbstract_f996f702-4dd7-4935-96c4-a06393851ffb" xlink:href="ngs-20180630.xsd#ngs_WeightedAverageSharesOutstandingBasicAndDilutedAbstract"/>
    <link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_eff0df03-fe91-40a7-9203-cbb312e84cf2" xlink:to="loc_ngs_WeightedAverageSharesOutstandingBasicAndDilutedAbstract_f996f702-4dd7-4935-96c4-a06393851ffb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_9b67724d-df09-4bed-bfc7-712598ccca4a" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ngs_WeightedAverageSharesOutstandingBasicAndDilutedAbstract_f996f702-4dd7-4935-96c4-a06393851ffb" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_9b67724d-df09-4bed-bfc7-712598ccca4a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_0aa363cb-dacf-471e-8784-39d1e1ebbc99" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ngs_WeightedAverageSharesOutstandingBasicAndDilutedAbstract_f996f702-4dd7-4935-96c4-a06393851ffb" xlink:to="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_0aa363cb-dacf-471e-8784-39d1e1ebbc99" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://naturalgaservices.com/role/CondensedConsolidatedStatementsofCashFlowsUnaudited" xlink:type="simple" xlink:href="ngs-20180630.xsd#CondensedConsolidatedStatementsofCashFlowsUnaudited"/>
  <link:presentationLink xlink:role="http://naturalgaservices.com/role/CondensedConsolidatedStatementsofCashFlowsUnaudited" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementOfCashFlowsAbstract_c30c3f97-9dff-40b7-a31c-c081dfd7e921" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StatementOfCashFlowsAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_9dc9dc62-d691-486e-a1b7-3fa2f78ecc6e" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfCashFlowsAbstract_c30c3f97-9dff-40b7-a31c-c081dfd7e921" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_9dc9dc62-d691-486e-a1b7-3fa2f78ecc6e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_a7a8dc55-2733-4507-ba0f-a805ef52c714" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NetIncomeLoss"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_9dc9dc62-d691-486e-a1b7-3fa2f78ecc6e" xlink:to="loc_us-gaap_NetIncomeLoss_a7a8dc55-2733-4507-ba0f-a805ef52c714" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_77c7c8cf-78f3-4956-bdac-d0f2558e761f" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_9dc9dc62-d691-486e-a1b7-3fa2f78ecc6e" xlink:to="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_77c7c8cf-78f3-4956-bdac-d0f2558e761f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DepreciationDepletionAndAmortization_aaf054b1-146b-4716-8448-df6d8dbed021" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DepreciationDepletionAndAmortization"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_77c7c8cf-78f3-4956-bdac-d0f2558e761f" xlink:to="loc_us-gaap_DepreciationDepletionAndAmortization_aaf054b1-146b-4716-8448-df6d8dbed021" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_f850e660-62b2-4e0d-a7c8-fb4f34472769" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DeferredIncomeTaxExpenseBenefit"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_77c7c8cf-78f3-4956-bdac-d0f2558e761f" xlink:to="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_f850e660-62b2-4e0d-a7c8-fb4f34472769" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensation_8e1c58ce-9167-45b3-88ac-313803a7e885" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensation"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_77c7c8cf-78f3-4956-bdac-d0f2558e761f" xlink:to="loc_us-gaap_ShareBasedCompensation_8e1c58ce-9167-45b3-88ac-313803a7e885" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProvisionForDoubtfulAccounts_8e406dec-4012-4866-8223-46d41652d53e" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProvisionForDoubtfulAccounts"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_77c7c8cf-78f3-4956-bdac-d0f2558e761f" xlink:to="loc_us-gaap_ProvisionForDoubtfulAccounts_8e406dec-4012-4866-8223-46d41652d53e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainLossOnDispositionOfAssets_8f01c655-bb68-4647-ace4-8673525e8f3d" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_GainLossOnDispositionOfAssets"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_77c7c8cf-78f3-4956-bdac-d0f2558e761f" xlink:to="loc_us-gaap_GainLossOnDispositionOfAssets_8f01c655-bb68-4647-ace4-8673525e8f3d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LifeInsuranceCorporateOrBankOwnedChangeInValue_48142d28-f5bb-47a1-af1e-4949211486b6" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LifeInsuranceCorporateOrBankOwnedChangeInValue"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_77c7c8cf-78f3-4956-bdac-d0f2558e761f" xlink:to="loc_us-gaap_LifeInsuranceCorporateOrBankOwnedChangeInValue_48142d28-f5bb-47a1-af1e-4949211486b6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_6ba33f1d-5260-4905-8b3c-f3d67972582f" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncreaseDecreaseInOperatingCapitalAbstract"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_77c7c8cf-78f3-4956-bdac-d0f2558e761f" xlink:to="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_6ba33f1d-5260-4905-8b3c-f3d67972582f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsReceivable_9a8e450f-96d8-4f7c-ae9e-bdd196d83770" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsReceivable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_6ba33f1d-5260-4905-8b3c-f3d67972582f" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsReceivable_9a8e450f-96d8-4f7c-ae9e-bdd196d83770" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInInventories_cad021fb-9aab-4a31-b70d-ce6c6da7788b" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncreaseDecreaseInInventories"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_6ba33f1d-5260-4905-8b3c-f3d67972582f" xlink:to="loc_us-gaap_IncreaseDecreaseInInventories_cad021fb-9aab-4a31-b70d-ce6c6da7788b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_b38a5702-b809-4ce0-aba3-cd3eb45e9753" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_6ba33f1d-5260-4905-8b3c-f3d67972582f" xlink:to="loc_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_b38a5702-b809-4ce0-aba3-cd3eb45e9753" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_9ac15933-3a6a-4b18-8fff-4e6d7e89b6bc" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_6ba33f1d-5260-4905-8b3c-f3d67972582f" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_9ac15933-3a6a-4b18-8fff-4e6d7e89b6bc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ngs_IncreaseDecreaseInContractWithCustomerLiability_8de450ad-dd77-4105-9af7-a9b04a826e51" xlink:href="ngs-20180630.xsd#ngs_IncreaseDecreaseInContractWithCustomerLiability"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_6ba33f1d-5260-4905-8b3c-f3d67972582f" xlink:to="loc_ngs_IncreaseDecreaseInContractWithCustomerLiability_8de450ad-dd77-4105-9af7-a9b04a826e51" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherCurrentAssets_4d2876f0-f890-4826-8723-14d977c88dd4" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncreaseDecreaseInOtherCurrentAssets"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_6ba33f1d-5260-4905-8b3c-f3d67972582f" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherCurrentAssets_4d2876f0-f890-4826-8723-14d977c88dd4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_a4686aa6-1405-4850-b797-0caba46c97a7" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_9dc9dc62-d691-486e-a1b7-3fa2f78ecc6e" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_a4686aa6-1405-4850-b797-0caba46c97a7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_04c384d5-0e90-47f5-b333-d043f92e9284" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfCashFlowsAbstract_c30c3f97-9dff-40b7-a31c-c081dfd7e921" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_04c384d5-0e90-47f5-b333-d043f92e9284" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_1afe8ec0-36b2-4a8d-9870-39806807f619" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_04c384d5-0e90-47f5-b333-d043f92e9284" xlink:to="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_1afe8ec0-36b2-4a8d-9870-39806807f619" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireLifeInsurancePolicies_299672ef-82ec-407c-89ad-d44541ec1666" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PaymentsToAcquireLifeInsurancePolicies"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_04c384d5-0e90-47f5-b333-d043f92e9284" xlink:to="loc_us-gaap_PaymentsToAcquireLifeInsurancePolicies_299672ef-82ec-407c-89ad-d44541ec1666" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_8d9bb445-9ed1-4bd6-9def-5ffa42406810" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_04c384d5-0e90-47f5-b333-d043f92e9284" xlink:to="loc_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_8d9bb445-9ed1-4bd6-9def-5ffa42406810" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_344868f0-2c36-4d66-97f8-47f6f31baaf1" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_04c384d5-0e90-47f5-b333-d043f92e9284" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_344868f0-2c36-4d66-97f8-47f6f31baaf1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_4563a37f-9d11-41e8-839b-a63124043aa3" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfCashFlowsAbstract_c30c3f97-9dff-40b7-a31c-c081dfd7e921" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_4563a37f-9d11-41e8-839b-a63124043aa3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ngs_ProceedsFromPurchaseCommitmentDiscountNet_0ea4b13c-e524-4628-9dca-b1eba7b227f3" xlink:href="ngs-20180630.xsd#ngs_ProceedsFromPurchaseCommitmentDiscountNet"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_4563a37f-9d11-41e8-839b-a63124043aa3" xlink:to="loc_ngs_ProceedsFromPurchaseCommitmentDiscountNet_0ea4b13c-e524-4628-9dca-b1eba7b227f3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromStockOptionsExercised_51582f85-27d1-4347-b71b-a5ff6f8bfa8d" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProceedsFromStockOptionsExercised"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_4563a37f-9d11-41e8-839b-a63124043aa3" xlink:to="loc_us-gaap_ProceedsFromStockOptionsExercised_51582f85-27d1-4347-b71b-a5ff6f8bfa8d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_946a5317-27f7-42a4-b37c-af6b22243d5b" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_4563a37f-9d11-41e8-839b-a63124043aa3" xlink:to="loc_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_946a5317-27f7-42a4-b37c-af6b22243d5b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_66b45686-573d-4c96-9905-7abc4835344c" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_4563a37f-9d11-41e8-839b-a63124043aa3" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_66b45686-573d-4c96-9905-7abc4835344c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_e52730d8-707d-4761-9677-e7b49c3b5fed" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfCashFlowsAbstract_c30c3f97-9dff-40b7-a31c-c081dfd7e921" xlink:to="loc_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_e52730d8-707d-4761-9677-e7b49c3b5fed" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_d01fd326-a6a4-4667-9363-f6b177757e25" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfCashFlowsAbstract_c30c3f97-9dff-40b7-a31c-c081dfd7e921" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_d01fd326-a6a4-4667-9363-f6b177757e25" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_f59eab4e-7259-43a3-b79c-8a7dafcb33ee" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfCashFlowsAbstract_c30c3f97-9dff-40b7-a31c-c081dfd7e921" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_f59eab4e-7259-43a3-b79c-8a7dafcb33ee" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SupplementalCashFlowInformationAbstract_54d26c75-43dc-417d-975d-7e9a2ef72d32" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SupplementalCashFlowInformationAbstract"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfCashFlowsAbstract_c30c3f97-9dff-40b7-a31c-c081dfd7e921" xlink:to="loc_us-gaap_SupplementalCashFlowInformationAbstract_54d26c75-43dc-417d-975d-7e9a2ef72d32" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestPaid_6a919fda-d67e-4872-bfb6-646e645e28a1" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InterestPaid"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SupplementalCashFlowInformationAbstract_54d26c75-43dc-417d-975d-7e9a2ef72d32" xlink:to="loc_us-gaap_InterestPaid_6a919fda-d67e-4872-bfb6-646e645e28a1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxesPaid_67544c7a-7ee3-42ed-a700-e1e91bd64567" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncomeTaxesPaid"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SupplementalCashFlowInformationAbstract_54d26c75-43dc-417d-975d-7e9a2ef72d32" xlink:to="loc_us-gaap_IncomeTaxesPaid_67544c7a-7ee3-42ed-a700-e1e91bd64567" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract_035ed07b-d89c-498f-94ea-8adfa4a00e4c" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract"/>
    <link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfCashFlowsAbstract_c30c3f97-9dff-40b7-a31c-c081dfd7e921" xlink:to="loc_us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract_035ed07b-d89c-498f-94ea-8adfa4a00e4c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ngs_TransferOfRentalEquipmentToInventory_71d4a700-a198-4fa7-82e2-4860012a16cf" xlink:href="ngs-20180630.xsd#ngs_TransferOfRentalEquipmentToInventory"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract_035ed07b-d89c-498f-94ea-8adfa4a00e4c" xlink:to="loc_ngs_TransferOfRentalEquipmentToInventory_71d4a700-a198-4fa7-82e2-4860012a16cf" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://naturalgaservices.com/role/BasisofPresentationandSummaryofSignificantAccountingPolicies" xlink:type="simple" xlink:href="ngs-20180630.xsd#BasisofPresentationandSummaryofSignificantAccountingPolicies"/>
  <link:presentationLink xlink:role="http://naturalgaservices.com/role/BasisofPresentationandSummaryofSignificantAccountingPolicies" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountingPoliciesAbstract_d3dd27e3-8876-44c3-a85b-ab18326d31bc" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AccountingPoliciesAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BasisOfPresentationAndSignificantAccountingPoliciesTextBlock_4ecfa003-8663-4e91-a622-78b390682eb7" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_BasisOfPresentationAndSignificantAccountingPoliciesTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_d3dd27e3-8876-44c3-a85b-ab18326d31bc" xlink:to="loc_us-gaap_BasisOfPresentationAndSignificantAccountingPoliciesTextBlock_4ecfa003-8663-4e91-a622-78b390682eb7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://naturalgaservices.com/role/BasisofPresentationandSummaryofSignificantAccountingPoliciesPolicies" xlink:type="simple" xlink:href="ngs-20180630.xsd#BasisofPresentationandSummaryofSignificantAccountingPoliciesPolicies"/>
  <link:presentationLink xlink:role="http://naturalgaservices.com/role/BasisofPresentationandSummaryofSignificantAccountingPoliciesPolicies" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountingPoliciesAbstract_7a4c3a71-9f12-49c7-9369-1b9608539fad" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AccountingPoliciesAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BasisOfAccountingPolicyPolicyTextBlock_9717122b-ee13-4333-8543-90dcb32be26f" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_BasisOfAccountingPolicyPolicyTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_7a4c3a71-9f12-49c7-9369-1b9608539fad" xlink:to="loc_us-gaap_BasisOfAccountingPolicyPolicyTextBlock_9717122b-ee13-4333-8543-90dcb32be26f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ngs_RevenueFromContractWithCustomerPolicyTextBlock_20860ae0-b994-420f-a115-9f3fb49f8cc1" xlink:href="ngs-20180630.xsd#ngs_RevenueFromContractWithCustomerPolicyTextBlock"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_7a4c3a71-9f12-49c7-9369-1b9608539fad" xlink:to="loc_ngs_RevenueFromContractWithCustomerPolicyTextBlock_20860ae0-b994-420f-a115-9f3fb49f8cc1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ngs_CapitalizedContractCostsPolicyPolicyTextBlock_396052de-4625-4ad5-83ab-b26eaf98d854" xlink:href="ngs-20180630.xsd#ngs_CapitalizedContractCostsPolicyPolicyTextBlock"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_7a4c3a71-9f12-49c7-9369-1b9608539fad" xlink:to="loc_ngs_CapitalizedContractCostsPolicyPolicyTextBlock_396052de-4625-4ad5-83ab-b26eaf98d854" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueOfFinancialInstrumentsPolicy_8fb0e648-b000-4f5e-9f77-1123ef663a76" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueOfFinancialInstrumentsPolicy"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_7a4c3a71-9f12-49c7-9369-1b9608539fad" xlink:to="loc_us-gaap_FairValueOfFinancialInstrumentsPolicy_8fb0e648-b000-4f5e-9f77-1123ef663a76" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock_f07f07f8-72f6-4ae5-9109-34f3d79c69f4" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_7a4c3a71-9f12-49c7-9369-1b9608539fad" xlink:to="loc_us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock_f07f07f8-72f6-4ae5-9109-34f3d79c69f4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PriorPeriodReclassificationAdjustmentDescription_7c489a23-635b-44fe-89a9-eb1dd47051e8" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PriorPeriodReclassificationAdjustmentDescription"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_7a4c3a71-9f12-49c7-9369-1b9608539fad" xlink:to="loc_us-gaap_PriorPeriodReclassificationAdjustmentDescription_7c489a23-635b-44fe-89a9-eb1dd47051e8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentReportingPolicyPolicyTextBlock_c030a6d6-5a30-483a-a4f8-8953162bb659" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SegmentReportingPolicyPolicyTextBlock"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_7a4c3a71-9f12-49c7-9369-1b9608539fad" xlink:to="loc_us-gaap_SegmentReportingPolicyPolicyTextBlock_c030a6d6-5a30-483a-a4f8-8953162bb659" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://naturalgaservices.com/role/BasisofPresentationandSummaryofSignificantAccountingPoliciesTables" xlink:type="simple" xlink:href="ngs-20180630.xsd#BasisofPresentationandSummaryofSignificantAccountingPoliciesTables"/>
  <link:presentationLink xlink:role="http://naturalgaservices.com/role/BasisofPresentationandSummaryofSignificantAccountingPoliciesTables" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountingPoliciesAbstract_5fe1b60f-4e75-469b-931c-55beee612547" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AccountingPoliciesAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisaggregationOfRevenueTableTextBlock_b9498b85-f832-4268-9edb-f2a585a648b3" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DisaggregationOfRevenueTableTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_5fe1b60f-4e75-469b-931c-55beee612547" xlink:to="loc_us-gaap_DisaggregationOfRevenueTableTextBlock_b9498b85-f832-4268-9edb-f2a585a648b3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerAssetAndLiabilityTableTextBlock_addc2dd9-5d8d-4dc5-bc10-6654c81f313c" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ContractWithCustomerAssetAndLiabilityTableTextBlock"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_5fe1b60f-4e75-469b-931c-55beee612547" xlink:to="loc_us-gaap_ContractWithCustomerAssetAndLiabilityTableTextBlock_addc2dd9-5d8d-4dc5-bc10-6654c81f313c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTableTextBlock_5479c4aa-99af-4edf-99ce-5374d65e18d2" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTableTextBlock"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_5fe1b60f-4e75-469b-931c-55beee612547" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTableTextBlock_5479c4aa-99af-4edf-99ce-5374d65e18d2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://naturalgaservices.com/role/BasisofPresentationandSummaryofSignificantAccountingPoliciesDetails" xlink:type="simple" xlink:href="ngs-20180630.xsd#BasisofPresentationandSummaryofSignificantAccountingPoliciesDetails"/>
  <link:presentationLink xlink:role="http://naturalgaservices.com/role/BasisofPresentationandSummaryofSignificantAccountingPoliciesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountingPoliciesAbstract_73a4fcbe-f163-48ed-adb6-043edd1ad9cf" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AccountingPoliciesAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTable_c41d3402-2557-4307-b11b-f8d9941e12b0" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_73a4fcbe-f163-48ed-adb6-043edd1ad9cf" xlink:to="loc_us-gaap_ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTable_c41d3402-2557-4307-b11b-f8d9941e12b0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TypeOfArrangementAxis_2d9de175-9d11-4587-b470-a02107b10bd5" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_TypeOfArrangementAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTable_c41d3402-2557-4307-b11b-f8d9941e12b0" xlink:to="loc_us-gaap_TypeOfArrangementAxis_2d9de175-9d11-4587-b470-a02107b10bd5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ArrangementsAndNonarrangementTransactionsMember_1f28eda2-6821-4ad1-b156-b48b97030892" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ArrangementsAndNonarrangementTransactionsMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_TypeOfArrangementAxis_2d9de175-9d11-4587-b470-a02107b10bd5" xlink:to="loc_us-gaap_ArrangementsAndNonarrangementTransactionsMember_1f28eda2-6821-4ad1-b156-b48b97030892" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ngs_BillandHoldArrangementMember_190cd6e3-209c-43d5-be71-1f1337eb11d6" xlink:href="ngs-20180630.xsd#ngs_BillandHoldArrangementMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ArrangementsAndNonarrangementTransactionsMember_1f28eda2-6821-4ad1-b156-b48b97030892" xlink:to="loc_ngs_BillandHoldArrangementMember_190cd6e3-209c-43d5-be71-1f1337eb11d6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EntityWideInformationRevenueFromExternalCustomerLineItems_16bf82ef-6be4-4b00-8884-2cfda3975491" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EntityWideInformationRevenueFromExternalCustomerLineItems"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTable_c41d3402-2557-4307-b11b-f8d9941e12b0" xlink:to="loc_us-gaap_EntityWideInformationRevenueFromExternalCustomerLineItems_16bf82ef-6be4-4b00-8884-2cfda3975491" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Revenues_c3eaa914-2700-4aec-8d08-a995f3718a1f" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_Revenues"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EntityWideInformationRevenueFromExternalCustomerLineItems_16bf82ef-6be4-4b00-8884-2cfda3975491" xlink:to="loc_us-gaap_Revenues_c3eaa914-2700-4aec-8d08-a995f3718a1f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://naturalgaservices.com/role/BasisofPresentationandSummaryofSignificantAccountingPoliciesDisaggregationofRevenueDetails" xlink:type="simple" xlink:href="ngs-20180630.xsd#BasisofPresentationandSummaryofSignificantAccountingPoliciesDisaggregationofRevenueDetails"/>
  <link:presentationLink xlink:role="http://naturalgaservices.com/role/BasisofPresentationandSummaryofSignificantAccountingPoliciesDisaggregationofRevenueDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountingPoliciesAbstract_e0f4f3ef-40eb-4e83-a7ba-51c775afb28d" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AccountingPoliciesAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisaggregationOfRevenueTable_b69555eb-0da8-4352-982b-83a383aeffef" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DisaggregationOfRevenueTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_e0f4f3ef-40eb-4e83-a7ba-51c775afb28d" xlink:to="loc_us-gaap_DisaggregationOfRevenueTable_b69555eb-0da8-4352-982b-83a383aeffef" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProductOrServiceAxis_64bbe697-4764-4696-97ab-cdb6284b3cdb" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProductOrServiceAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_b69555eb-0da8-4352-982b-83a383aeffef" xlink:to="loc_us-gaap_ProductOrServiceAxis_64bbe697-4764-4696-97ab-cdb6284b3cdb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProductsAndServicesDomain_d7ac6b9b-a24e-40e4-828d-4ac63f961cb8" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProductsAndServicesDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ProductOrServiceAxis_64bbe697-4764-4696-97ab-cdb6284b3cdb" xlink:to="loc_us-gaap_ProductsAndServicesDomain_d7ac6b9b-a24e-40e4-828d-4ac63f961cb8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ngs_CompressorRelatedMember_ba24c71c-274a-4d04-9573-239746ea8094" xlink:href="ngs-20180630.xsd#ngs_CompressorRelatedMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ProductsAndServicesDomain_d7ac6b9b-a24e-40e4-828d-4ac63f961cb8" xlink:to="loc_ngs_CompressorRelatedMember_ba24c71c-274a-4d04-9573-239746ea8094" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ngs_FlaresRelatedMember_538339e6-25a2-4a8a-8cfa-b9d8e2d6b353" xlink:href="ngs-20180630.xsd#ngs_FlaresRelatedMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ProductsAndServicesDomain_d7ac6b9b-a24e-40e4-828d-4ac63f961cb8" xlink:to="loc_ngs_FlaresRelatedMember_538339e6-25a2-4a8a-8cfa-b9d8e2d6b353" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ngs_OtherPartsRebuildsMember_61e86a5e-1807-43fe-a2f4-d7fd70315e52" xlink:href="ngs-20180630.xsd#ngs_OtherPartsRebuildsMember"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ProductsAndServicesDomain_d7ac6b9b-a24e-40e4-828d-4ac63f961cb8" xlink:to="loc_ngs_OtherPartsRebuildsMember_61e86a5e-1807-43fe-a2f4-d7fd70315e52" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ngs_ServiceandMaintenanceMember_04eeb52e-7c5d-4d7d-87f8-c6955bc62738" xlink:href="ngs-20180630.xsd#ngs_ServiceandMaintenanceMember"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ProductsAndServicesDomain_d7ac6b9b-a24e-40e4-828d-4ac63f961cb8" xlink:to="loc_ngs_ServiceandMaintenanceMember_04eeb52e-7c5d-4d7d-87f8-c6955bc62738" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisaggregationOfRevenueLineItems_5908fa56-9b74-4a95-9440-06d473313a2c" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DisaggregationOfRevenueLineItems"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_b69555eb-0da8-4352-982b-83a383aeffef" xlink:to="loc_us-gaap_DisaggregationOfRevenueLineItems_5908fa56-9b74-4a95-9440-06d473313a2c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_6436034d-26c3-4e90-bd99-9bf293d3c07c" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_5908fa56-9b74-4a95-9440-06d473313a2c" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_6436034d-26c3-4e90-bd99-9bf293d3c07c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RentalIncomeNonoperating_eebdbf7a-a2cf-40dc-a20e-bca2ab5e60d6" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RentalIncomeNonoperating"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_5908fa56-9b74-4a95-9440-06d473313a2c" xlink:to="loc_us-gaap_RentalIncomeNonoperating_eebdbf7a-a2cf-40dc-a20e-bca2ab5e60d6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Revenues_cd2d1eba-8ca4-4ba5-b01f-61a950b55dc8" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_Revenues"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_5908fa56-9b74-4a95-9440-06d473313a2c" xlink:to="loc_us-gaap_Revenues_cd2d1eba-8ca4-4ba5-b01f-61a950b55dc8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://naturalgaservices.com/role/BasisofPresentationandSummaryofSignificantAccountingPoliciesContractBalancesDetails" xlink:type="simple" xlink:href="ngs-20180630.xsd#BasisofPresentationandSummaryofSignificantAccountingPoliciesContractBalancesDetails"/>
  <link:presentationLink xlink:role="http://naturalgaservices.com/role/BasisofPresentationandSummaryofSignificantAccountingPoliciesContractBalancesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountingPoliciesAbstract_293fd44e-3fd6-440d-9147-46f35feae092" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AccountingPoliciesAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableNetCurrentAbstract_e4811c73-c91b-4f53-ba88-2da09e3fe7a4" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AccountsReceivableNetCurrentAbstract"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_293fd44e-3fd6-440d-9147-46f35feae092" xlink:to="loc_us-gaap_AccountsReceivableNetCurrentAbstract_e4811c73-c91b-4f53-ba88-2da09e3fe7a4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerAssetNetCurrent_9d3a8798-4ee7-408e-9635-392f670f4597" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ContractWithCustomerAssetNetCurrent"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountsReceivableNetCurrentAbstract_e4811c73-c91b-4f53-ba88-2da09e3fe7a4" xlink:to="loc_us-gaap_ContractWithCustomerAssetNetCurrent_9d3a8798-4ee7-408e-9635-392f670f4597" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ngs_AccountsReceivableExcludingContractsWithCustomerAssetCurrent_ff1c05de-641b-4de6-b0da-78b48dc16405" xlink:href="ngs-20180630.xsd#ngs_AccountsReceivableExcludingContractsWithCustomerAssetCurrent"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountsReceivableNetCurrentAbstract_e4811c73-c91b-4f53-ba88-2da09e3fe7a4" xlink:to="loc_ngs_AccountsReceivableExcludingContractsWithCustomerAssetCurrent_ff1c05de-641b-4de6-b0da-78b48dc16405" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableGrossCurrent_7ef594ec-c963-4497-9565-c458a2ac2b87" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AccountsReceivableGrossCurrent"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_293fd44e-3fd6-440d-9147-46f35feae092" xlink:to="loc_us-gaap_AccountsReceivableGrossCurrent_7ef594ec-c963-4497-9565-c458a2ac2b87" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_3e4b3389-7d4a-40a1-b19f-259b89336ca5" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_293fd44e-3fd6-440d-9147-46f35feae092" xlink:to="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_3e4b3389-7d4a-40a1-b19f-259b89336ca5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableNetCurrent_517d3df2-99c2-435e-bf83-1e243623194d" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AccountsReceivableNetCurrent"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_293fd44e-3fd6-440d-9147-46f35feae092" xlink:to="loc_us-gaap_AccountsReceivableNetCurrent_517d3df2-99c2-435e-bf83-1e243623194d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerLiabilityCurrent_cba126a9-64c3-434c-8f8f-ecbec97f0f1a" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ContractWithCustomerLiabilityCurrent"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_293fd44e-3fd6-440d-9147-46f35feae092" xlink:to="loc_us-gaap_ContractWithCustomerLiabilityCurrent_cba126a9-64c3-434c-8f8f-ecbec97f0f1a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerLiabilityRevenueRecognized_8a03b29f-b1b5-4e29-808e-f081db746e3e" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ContractWithCustomerLiabilityRevenueRecognized"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_293fd44e-3fd6-440d-9147-46f35feae092" xlink:to="loc_us-gaap_ContractWithCustomerLiabilityRevenueRecognized_8a03b29f-b1b5-4e29-808e-f081db746e3e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://naturalgaservices.com/role/BasisofPresentationandSummaryofSignificantAccountingPoliciesTransactionPriceAllocatedtotheRemainingPerformanceObligationsDetails" xlink:type="simple" xlink:href="ngs-20180630.xsd#BasisofPresentationandSummaryofSignificantAccountingPoliciesTransactionPriceAllocatedtotheRemainingPerformanceObligationsDetails"/>
  <link:presentationLink xlink:role="http://naturalgaservices.com/role/BasisofPresentationandSummaryofSignificantAccountingPoliciesTransactionPriceAllocatedtotheRemainingPerformanceObligationsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountingPoliciesAbstract_ac52b9ea-0b23-4a5b-b137-cecde0705370" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AccountingPoliciesAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable_aac85455-e1c9-4a33-b52d-341b5f13d134" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_ac52b9ea-0b23-4a5b-b137-cecde0705370" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable_aac85455-e1c9-4a33-b52d-341b5f13d134" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis_8e4e46fb-69f7-4da9-8d0f-63fdb86a372e" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable_aac85455-e1c9-4a33-b52d-341b5f13d134" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis_8e4e46fb-69f7-4da9-8d0f-63fdb86a372e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems_29d3c24b-2f61-4db1-a668-d59f763f75a4" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable_aac85455-e1c9-4a33-b52d-341b5f13d134" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems_29d3c24b-2f61-4db1-a668-d59f763f75a4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligation_e05bd8ef-edf2-4686-9932-9f66e9986e3d" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RevenueRemainingPerformanceObligation"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems_29d3c24b-2f61-4db1-a668-d59f763f75a4" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligation_e05bd8ef-edf2-4686-9932-9f66e9986e3d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://naturalgaservices.com/role/StockBasedCompensation" xlink:type="simple" xlink:href="ngs-20180630.xsd#StockBasedCompensation"/>
  <link:presentationLink xlink:role="http://naturalgaservices.com/role/StockBasedCompensation" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_785e8d1b-998c-4ae6-add6-a562a05c8c8f" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock_0aceb014-639f-4d3c-b8a0-33cbf0821fa3" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_785e8d1b-998c-4ae6-add6-a562a05c8c8f" xlink:to="loc_us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock_0aceb014-639f-4d3c-b8a0-33cbf0821fa3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://naturalgaservices.com/role/StockBasedCompensationTables" xlink:type="simple" xlink:href="ngs-20180630.xsd#StockBasedCompensationTables"/>
  <link:presentationLink xlink:role="http://naturalgaservices.com/role/StockBasedCompensationTables" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_32a5bdfa-2bb3-4cd0-8a15-a3e955201f58" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock_ec134cd4-8ac7-4b4e-9b80-d7e1420edd30" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_32a5bdfa-2bb3-4cd0-8a15-a3e955201f58" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock_ec134cd4-8ac7-4b4e-9b80-d7e1420edd30" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeTextBlock_7133543d-2387-4556-a18f-4341c89e9552" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeTextBlock"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_32a5bdfa-2bb3-4cd0-8a15-a3e955201f58" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeTextBlock_7133543d-2387-4556-a18f-4341c89e9552" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfStockOptionsRollForwardTableTextBlock_b3b396b4-38e1-45f9-b033-4491118b9414" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfStockOptionsRollForwardTableTextBlock"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_32a5bdfa-2bb3-4cd0-8a15-a3e955201f58" xlink:to="loc_us-gaap_ScheduleOfStockOptionsRollForwardTableTextBlock_b3b396b4-38e1-45f9-b033-4491118b9414" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://naturalgaservices.com/role/StockBasedCompensationStockOptionActivityDetails" xlink:type="simple" xlink:href="ngs-20180630.xsd#StockBasedCompensationStockOptionActivityDetails"/>
  <link:presentationLink xlink:role="http://naturalgaservices.com/role/StockBasedCompensationStockOptionActivityDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_1a13a6ce-3fe3-401d-b1e6-0ce8dfa23b40" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_36e01f3e-e1ed-4899-b643-561f4c38e2ca" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_1a13a6ce-3fe3-401d-b1e6-0ce8dfa23b40" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_36e01f3e-e1ed-4899-b643-561f4c38e2ca" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_7fdceec6-c468-45b1-8d00-9eb2a32d5514" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_36e01f3e-e1ed-4899-b643-561f4c38e2ca" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_7fdceec6-c468-45b1-8d00-9eb2a32d5514" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_9b5f0387-9590-4da4-91b8-d190fc12b6c2" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_36e01f3e-e1ed-4899-b643-561f4c38e2ca" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_9b5f0387-9590-4da4-91b8-d190fc12b6c2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod_6835b96c-53c4-4b79-9386-78121ae6ea1a" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_36e01f3e-e1ed-4899-b643-561f4c38e2ca" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod_6835b96c-53c4-4b79-9386-78121ae6ea1a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_830ac706-6f13-40d4-a9e9-f579e22eadd4" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_36e01f3e-e1ed-4899-b643-561f4c38e2ca" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_830ac706-6f13-40d4-a9e9-f579e22eadd4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_918f4014-29ca-4369-9648-93e42051e40b" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_1a13a6ce-3fe3-401d-b1e6-0ce8dfa23b40" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_918f4014-29ca-4369-9648-93e42051e40b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward_e5e5e922-288a-43db-90c5-8cebd9dd70af" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_1a13a6ce-3fe3-401d-b1e6-0ce8dfa23b40" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward_e5e5e922-288a-43db-90c5-8cebd9dd70af" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_b77bd735-30c7-46c5-b439-11e88c413b74" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward_e5e5e922-288a-43db-90c5-8cebd9dd70af" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_b77bd735-30c7-46c5-b439-11e88c413b74" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_56b2a121-f778-4949-baa3-b0544bdcc891" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward_e5e5e922-288a-43db-90c5-8cebd9dd70af" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_56b2a121-f778-4949-baa3-b0544bdcc891" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice_7142d518-3a93-4921-94a6-6eb8e9df9b1d" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward_e5e5e922-288a-43db-90c5-8cebd9dd70af" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice_7142d518-3a93-4921-94a6-6eb8e9df9b1d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_d9ee51c7-bbcf-4bac-9b4b-47bfdcf55c2a" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward_e5e5e922-288a-43db-90c5-8cebd9dd70af" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_d9ee51c7-bbcf-4bac-9b4b-47bfdcf55c2a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_dc0b0bfa-7fee-43e2-bc84-38ca141db9d9" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_1a13a6ce-3fe3-401d-b1e6-0ce8dfa23b40" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_dc0b0bfa-7fee-43e2-bc84-38ca141db9d9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ngs_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsWeightedAverageRemainingContractualTermAbstract_494a4561-2cc9-482e-9368-e32d29d566d7" xlink:href="ngs-20180630.xsd#ngs_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsWeightedAverageRemainingContractualTermAbstract"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_1a13a6ce-3fe3-401d-b1e6-0ce8dfa23b40" xlink:to="loc_ngs_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsWeightedAverageRemainingContractualTermAbstract_494a4561-2cc9-482e-9368-e32d29d566d7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2_dba8179c-9003-4378-821e-b5208e55f8b7" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ngs_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsWeightedAverageRemainingContractualTermAbstract_494a4561-2cc9-482e-9368-e32d29d566d7" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2_dba8179c-9003-4378-821e-b5208e55f8b7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1_b35c831a-23d5-426c-ae7f-a5a1a3a4b013" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ngs_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsWeightedAverageRemainingContractualTermAbstract_494a4561-2cc9-482e-9368-e32d29d566d7" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1_b35c831a-23d5-426c-ae7f-a5a1a3a4b013" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ngs_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsIntrinsicValueRollForward_53803290-8b80-448f-a50e-445a7fefca04" xlink:href="ngs-20180630.xsd#ngs_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsIntrinsicValueRollForward"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_1a13a6ce-3fe3-401d-b1e6-0ce8dfa23b40" xlink:to="loc_ngs_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsIntrinsicValueRollForward_53803290-8b80-448f-a50e-445a7fefca04" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_15a1ab9a-479b-4dba-8727-99b9c5d8d12b" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ngs_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsIntrinsicValueRollForward_53803290-8b80-448f-a50e-445a7fefca04" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_15a1ab9a-479b-4dba-8727-99b9c5d8d12b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue_c5b7c0d4-5b40-4d23-a82f-44443656bc22" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ngs_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsIntrinsicValueRollForward_53803290-8b80-448f-a50e-445a7fefca04" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue_c5b7c0d4-5b40-4d23-a82f-44443656bc22" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_2e8329d7-d95b-4d51-a184-639d3aa3853c" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ngs_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsIntrinsicValueRollForward_53803290-8b80-448f-a50e-445a7fefca04" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_2e8329d7-d95b-4d51-a184-639d3aa3853c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1_7e92a27d-092b-414c-aa65-1388120ab2b6" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ngs_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsIntrinsicValueRollForward_53803290-8b80-448f-a50e-445a7fefca04" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1_7e92a27d-092b-414c-aa65-1388120ab2b6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://naturalgaservices.com/role/StockBasedCompensationStockOptionsOutstandingDetails" xlink:type="simple" xlink:href="ngs-20180630.xsd#StockBasedCompensationStockOptionsOutstandingDetails"/>
  <link:presentationLink xlink:role="http://naturalgaservices.com/role/StockBasedCompensationStockOptionsOutstandingDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_e2ca4f87-b61a-4761-b611-596cf5ef484c" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeTable_0ce059ce-0ba7-41c2-90bd-3dea713e8199" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_e2ca4f87-b61a-4761-b611-596cf5ef484c" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeTable_0ce059ce-0ba7-41c2-90bd-3dea713e8199" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis_bfc59abc-a47f-456d-b63d-39b58f189e1d" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeTable_0ce059ce-0ba7-41c2-90bd-3dea713e8199" xlink:to="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis_bfc59abc-a47f-456d-b63d-39b58f189e1d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain_419f7073-a9cd-4a0e-8b6c-9f13c9bfa7fa" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis_bfc59abc-a47f-456d-b63d-39b58f189e1d" xlink:to="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain_419f7073-a9cd-4a0e-8b6c-9f13c9bfa7fa" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ngs_RangeOneMember_f65f420f-2043-4105-b3f3-2e98a31dc278" xlink:href="ngs-20180630.xsd#ngs_RangeOneMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain_419f7073-a9cd-4a0e-8b6c-9f13c9bfa7fa" xlink:to="loc_ngs_RangeOneMember_f65f420f-2043-4105-b3f3-2e98a31dc278" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ngs_RangeTwoMember_8b54194c-9638-4c4b-ac18-e870bc67204d" xlink:href="ngs-20180630.xsd#ngs_RangeTwoMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain_419f7073-a9cd-4a0e-8b6c-9f13c9bfa7fa" xlink:to="loc_ngs_RangeTwoMember_8b54194c-9638-4c4b-ac18-e870bc67204d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ngs_RangeThreeMember_e61185ab-49d3-4077-a4c4-23616c9218ec" xlink:href="ngs-20180630.xsd#ngs_RangeThreeMember"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain_419f7073-a9cd-4a0e-8b6c-9f13c9bfa7fa" xlink:to="loc_ngs_RangeThreeMember_e61185ab-49d3-4077-a4c4-23616c9218ec" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ngs_RangeFourMember_4f6c4a24-a2ed-49f3-a6e3-99b6e8478eec" xlink:href="ngs-20180630.xsd#ngs_RangeFourMember"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain_419f7073-a9cd-4a0e-8b6c-9f13c9bfa7fa" xlink:to="loc_ngs_RangeFourMember_4f6c4a24-a2ed-49f3-a6e3-99b6e8478eec" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLineItems_e6d94ad2-e05a-4c62-9b5c-6855d3e928de" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLineItems"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeTable_0ce059ce-0ba7-41c2-90bd-3dea713e8199" xlink:to="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLineItems_e6d94ad2-e05a-4c62-9b5c-6855d3e928de" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit_aacd391c-6a32-4343-9b39-3cca587a7f76" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLineItems_e6d94ad2-e05a-4c62-9b5c-6855d3e928de" xlink:to="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit_aacd391c-6a32-4343-9b39-3cca587a7f76" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit_ed95dc83-4ab5-4f8e-9952-777d9ac4190f" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLineItems_e6d94ad2-e05a-4c62-9b5c-6855d3e928de" xlink:to="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit_ed95dc83-4ab5-4f8e-9952-777d9ac4190f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions_8e69651a-e762-4885-92b9-68cec6de4605" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLineItems_e6d94ad2-e05a-4c62-9b5c-6855d3e928de" xlink:to="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions_8e69651a-e762-4885-92b9-68cec6de4605" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageRemainingContractualTerm2_a8d34061-842b-4751-adf6-82b45f30cc18" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageRemainingContractualTerm2"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLineItems_e6d94ad2-e05a-4c62-9b5c-6855d3e928de" xlink:to="loc_us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageRemainingContractualTerm2_a8d34061-842b-4751-adf6-82b45f30cc18" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1_05db51d0-9751-4474-9f33-4c7d3e34328c" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLineItems_e6d94ad2-e05a-4c62-9b5c-6855d3e928de" xlink:to="loc_us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1_05db51d0-9751-4474-9f33-4c7d3e34328c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions_e2829226-376c-459e-81ca-7c7c5d3c6136" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLineItems_e6d94ad2-e05a-4c62-9b5c-6855d3e928de" xlink:to="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions_e2829226-376c-459e-81ca-7c7c5d3c6136" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1_449cd21e-63d1-481c-9e05-918982d8419b" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLineItems_e6d94ad2-e05a-4c62-9b5c-6855d3e928de" xlink:to="loc_us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1_449cd21e-63d1-481c-9e05-918982d8419b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://naturalgaservices.com/role/StockBasedCompensationSummaryofUnvestedStockOptionsDetails" xlink:type="simple" xlink:href="ngs-20180630.xsd#StockBasedCompensationSummaryofUnvestedStockOptionsDetails"/>
  <link:presentationLink xlink:role="http://naturalgaservices.com/role/StockBasedCompensationSummaryofUnvestedStockOptionsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_83d0afac-d83c-4312-a3c5-1b470bebb592" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_3b4b3ddd-8da3-4904-ba98-25e667324dc1" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_83d0afac-d83c-4312-a3c5-1b470bebb592" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_3b4b3ddd-8da3-4904-ba98-25e667324dc1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AwardTypeAxis_ed95de89-2d30-4c93-bdae-435c78ec6e96" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AwardTypeAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_3b4b3ddd-8da3-4904-ba98-25e667324dc1" xlink:to="loc_us-gaap_AwardTypeAxis_ed95de89-2d30-4c93-bdae-435c78ec6e96" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_85e38024-2a92-4d29-9b99-b6c57f39a635" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AwardTypeAxis_ed95de89-2d30-4c93-bdae-435c78ec6e96" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_85e38024-2a92-4d29-9b99-b6c57f39a635" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeStockOptionMember_33f0f146-56a4-463b-8db9-4de6a0aeb419" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EmployeeStockOptionMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_85e38024-2a92-4d29-9b99-b6c57f39a635" xlink:to="loc_us-gaap_EmployeeStockOptionMember_33f0f146-56a4-463b-8db9-4de6a0aeb419" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_253dde57-e521-488f-9adb-0c8990f8fd69" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_3b4b3ddd-8da3-4904-ba98-25e667324dc1" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_253dde57-e521-488f-9adb-0c8990f8fd69" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ngs_EmployeeServiceShareBasedCompensationNonvestedAwardsStockOptionsOutstandingRollForward_1b782333-3ab6-4274-8327-9ba885f53668" xlink:href="ngs-20180630.xsd#ngs_EmployeeServiceShareBasedCompensationNonvestedAwardsStockOptionsOutstandingRollForward"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_253dde57-e521-488f-9adb-0c8990f8fd69" xlink:to="loc_ngs_EmployeeServiceShareBasedCompensationNonvestedAwardsStockOptionsOutstandingRollForward_1b782333-3ab6-4274-8327-9ba885f53668" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares_b5f64f1b-a8a4-4e9a-a5e6-249fbfdc1a8d" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ngs_EmployeeServiceShareBasedCompensationNonvestedAwardsStockOptionsOutstandingRollForward_1b782333-3ab6-4274-8327-9ba885f53668" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares_b5f64f1b-a8a4-4e9a-a5e6-249fbfdc1a8d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedNumberOfShares_dae39ebf-7672-4685-b3e0-7735743a9411" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedNumberOfShares"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ngs_EmployeeServiceShareBasedCompensationNonvestedAwardsStockOptionsOutstandingRollForward_1b782333-3ab6-4274-8327-9ba885f53668" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedNumberOfShares_dae39ebf-7672-4685-b3e0-7735743a9411" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ngs_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsCanceledOrForfeitedNumberOfShares_f4d48aaa-88e5-4997-a2eb-c365e4d09390" xlink:href="ngs-20180630.xsd#ngs_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsCanceledOrForfeitedNumberOfShares"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ngs_EmployeeServiceShareBasedCompensationNonvestedAwardsStockOptionsOutstandingRollForward_1b782333-3ab6-4274-8327-9ba885f53668" xlink:to="loc_ngs_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsCanceledOrForfeitedNumberOfShares_f4d48aaa-88e5-4997-a2eb-c365e4d09390" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares_0699513a-bb96-44db-b2ef-b555c016d8d7" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ngs_EmployeeServiceShareBasedCompensationNonvestedAwardsStockOptionsOutstandingRollForward_1b782333-3ab6-4274-8327-9ba885f53668" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares_0699513a-bb96-44db-b2ef-b555c016d8d7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ngs_EmployeeServiceShareBasedCompensationNonvestedAwardsStockOptionsWeightedAverageGrantDateFairValueRollForward_93c544fe-93e1-48da-9fff-add2e57dc908" xlink:href="ngs-20180630.xsd#ngs_EmployeeServiceShareBasedCompensationNonvestedAwardsStockOptionsWeightedAverageGrantDateFairValueRollForward"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_253dde57-e521-488f-9adb-0c8990f8fd69" xlink:to="loc_ngs_EmployeeServiceShareBasedCompensationNonvestedAwardsStockOptionsWeightedAverageGrantDateFairValueRollForward_93c544fe-93e1-48da-9fff-add2e57dc908" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue_41d79675-f29d-42e8-9a7c-f492b80c6e3e" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ngs_EmployeeServiceShareBasedCompensationNonvestedAwardsStockOptionsWeightedAverageGrantDateFairValueRollForward_93c544fe-93e1-48da-9fff-add2e57dc908" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue_41d79675-f29d-42e8-9a7c-f492b80c6e3e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedWeightedAverageGrantDateFairValue_d3c96791-503e-4d8a-9496-0621737a23e6" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedWeightedAverageGrantDateFairValue"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ngs_EmployeeServiceShareBasedCompensationNonvestedAwardsStockOptionsWeightedAverageGrantDateFairValueRollForward_93c544fe-93e1-48da-9fff-add2e57dc908" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedWeightedAverageGrantDateFairValue_d3c96791-503e-4d8a-9496-0621737a23e6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ngs_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsCanceledOrForfeitedWeightedAverageGrantDateFairValue_7db99f44-aa4f-4903-9b5c-38363e8fedab" xlink:href="ngs-20180630.xsd#ngs_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsCanceledOrForfeitedWeightedAverageGrantDateFairValue"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ngs_EmployeeServiceShareBasedCompensationNonvestedAwardsStockOptionsWeightedAverageGrantDateFairValueRollForward_93c544fe-93e1-48da-9fff-add2e57dc908" xlink:to="loc_ngs_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsCanceledOrForfeitedWeightedAverageGrantDateFairValue_7db99f44-aa4f-4903-9b5c-38363e8fedab" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue_37ef57bb-d65b-4747-9c34-d06daafbccbc" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ngs_EmployeeServiceShareBasedCompensationNonvestedAwardsStockOptionsWeightedAverageGrantDateFairValueRollForward_93c544fe-93e1-48da-9fff-add2e57dc908" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue_37ef57bb-d65b-4747-9c34-d06daafbccbc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions_66014e43-a071-444f-ae82-6151e30d19d8" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_253dde57-e521-488f-9adb-0c8990f8fd69" xlink:to="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions_66014e43-a071-444f-ae82-6151e30d19d8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_c3e1557d-5b59-4ac2-82fa-364a7cb64f15" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_253dde57-e521-488f-9adb-0c8990f8fd69" xlink:to="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_c3e1557d-5b59-4ac2-82fa-364a7cb64f15" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllocatedShareBasedCompensationExpense_0f1813e0-1969-43b4-9381-30b78f3a86ab" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AllocatedShareBasedCompensationExpense"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_253dde57-e521-488f-9adb-0c8990f8fd69" xlink:to="loc_us-gaap_AllocatedShareBasedCompensationExpense_0f1813e0-1969-43b4-9381-30b78f3a86ab" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://naturalgaservices.com/role/StockBasedCompensationRestrictedStockDetails" xlink:type="simple" xlink:href="ngs-20180630.xsd#StockBasedCompensationRestrictedStockDetails"/>
  <link:presentationLink xlink:role="http://naturalgaservices.com/role/StockBasedCompensationRestrictedStockDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_0d840948-1ff3-4d9a-be19-88589c4eed62" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_47f26556-10bb-4988-83d2-0202c83a6ab0" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_0d840948-1ff3-4d9a-be19-88589c4eed62" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_47f26556-10bb-4988-83d2-0202c83a6ab0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TitleOfIndividualAxis_0cee0976-34ba-44bd-90d2-0ee88b6a6dfd" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_TitleOfIndividualAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_47f26556-10bb-4988-83d2-0202c83a6ab0" xlink:to="loc_us-gaap_TitleOfIndividualAxis_0cee0976-34ba-44bd-90d2-0ee88b6a6dfd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TitleOfIndividualWithRelationshipToEntityDomain_d487865c-f47c-4e9b-9402-8ba880029dfb" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_TitleOfIndividualWithRelationshipToEntityDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_TitleOfIndividualAxis_0cee0976-34ba-44bd-90d2-0ee88b6a6dfd" xlink:to="loc_us-gaap_TitleOfIndividualWithRelationshipToEntityDomain_d487865c-f47c-4e9b-9402-8ba880029dfb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ChiefExecutiveOfficerMember_03902202-6307-4b89-af89-d62c921cb6e8" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ChiefExecutiveOfficerMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_TitleOfIndividualWithRelationshipToEntityDomain_d487865c-f47c-4e9b-9402-8ba880029dfb" xlink:to="loc_us-gaap_ChiefExecutiveOfficerMember_03902202-6307-4b89-af89-d62c921cb6e8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ChiefFinancialOfficerMember_60d7c39f-b5cf-4cbb-840e-5db33d04fefe" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ChiefFinancialOfficerMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_TitleOfIndividualWithRelationshipToEntityDomain_d487865c-f47c-4e9b-9402-8ba880029dfb" xlink:to="loc_us-gaap_ChiefFinancialOfficerMember_60d7c39f-b5cf-4cbb-840e-5db33d04fefe" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ngs_VicePresidentofTechnicalServicesMember_2a53cee1-c157-45ab-9cde-fbee9579570b" xlink:href="ngs-20180630.xsd#ngs_VicePresidentofTechnicalServicesMember"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_TitleOfIndividualWithRelationshipToEntityDomain_d487865c-f47c-4e9b-9402-8ba880029dfb" xlink:to="loc_ngs_VicePresidentofTechnicalServicesMember_2a53cee1-c157-45ab-9cde-fbee9579570b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DirectorMember_37336025-19f9-4867-84ca-e60414590854" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DirectorMember"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_TitleOfIndividualWithRelationshipToEntityDomain_d487865c-f47c-4e9b-9402-8ba880029dfb" xlink:to="loc_us-gaap_DirectorMember_37336025-19f9-4867-84ca-e60414590854" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AwardTypeAxis_11710d33-3be3-4c90-9d39-4ca3154d3c3e" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AwardTypeAxis"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_47f26556-10bb-4988-83d2-0202c83a6ab0" xlink:to="loc_us-gaap_AwardTypeAxis_11710d33-3be3-4c90-9d39-4ca3154d3c3e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_e44367ec-f48d-4d13-9945-b9a59ddabf8a" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AwardTypeAxis_11710d33-3be3-4c90-9d39-4ca3154d3c3e" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_e44367ec-f48d-4d13-9945-b9a59ddabf8a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedStockMember_e22a95b6-7178-4694-ae51-a0b6156895ef" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RestrictedStockMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_e44367ec-f48d-4d13-9945-b9a59ddabf8a" xlink:to="loc_us-gaap_RestrictedStockMember_e22a95b6-7178-4694-ae51-a0b6156895ef" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_e4eb36b2-0965-4c11-887e-28fc76bebdab" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_47f26556-10bb-4988-83d2-0202c83a6ab0" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_e4eb36b2-0965-4c11-887e-28fc76bebdab" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_b2ba14c5-74f3-4214-abaf-fe1129afd7ab" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_e4eb36b2-0965-4c11-887e-28fc76bebdab" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_b2ba14c5-74f3-4214-abaf-fe1129afd7ab" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_67723918-a2ae-415f-888b-ff0a292692f7" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_e4eb36b2-0965-4c11-887e-28fc76bebdab" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_67723918-a2ae-415f-888b-ff0a292692f7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllocatedShareBasedCompensationExpense_c3bb4723-a78a-4ab1-a0b1-b4b05745c6fc" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AllocatedShareBasedCompensationExpense"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_e4eb36b2-0965-4c11-887e-28fc76bebdab" xlink:to="loc_us-gaap_AllocatedShareBasedCompensationExpense_c3bb4723-a78a-4ab1-a0b1-b4b05745c6fc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_bda47c55-9f51-496b-9f53-7d650581c60f" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_e4eb36b2-0965-4c11-887e-28fc76bebdab" xlink:to="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_bda47c55-9f51-496b-9f53-7d650581c60f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_2ba69079-9cf4-4425-9681-c14d504a5704" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_e4eb36b2-0965-4c11-887e-28fc76bebdab" xlink:to="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_2ba69079-9cf4-4425-9681-c14d504a5704" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://naturalgaservices.com/role/Inventory" xlink:type="simple" xlink:href="ngs-20180630.xsd#Inventory"/>
  <link:presentationLink xlink:role="http://naturalgaservices.com/role/Inventory" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryDisclosureAbstract_95f9805f-5feb-4efa-bfa6-7c328c34cce5" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InventoryDisclosureAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryDisclosureTextBlock_a3cf8b77-e73c-4a28-9bfe-b9a1a27ef151" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InventoryDisclosureTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_InventoryDisclosureAbstract_95f9805f-5feb-4efa-bfa6-7c328c34cce5" xlink:to="loc_us-gaap_InventoryDisclosureTextBlock_a3cf8b77-e73c-4a28-9bfe-b9a1a27ef151" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://naturalgaservices.com/role/InventoryTables" xlink:type="simple" xlink:href="ngs-20180630.xsd#InventoryTables"/>
  <link:presentationLink xlink:role="http://naturalgaservices.com/role/InventoryTables" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryDisclosureAbstract_56e1c1fe-1ad3-4c5f-9d10-25d5f57d97e1" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InventoryDisclosureAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfInventoryCurrentTableTextBlock_90dc55e5-ae19-43b0-9b0a-8d3c08cac4b3" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfInventoryCurrentTableTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_InventoryDisclosureAbstract_56e1c1fe-1ad3-4c5f-9d10-25d5f57d97e1" xlink:to="loc_us-gaap_ScheduleOfInventoryCurrentTableTextBlock_90dc55e5-ae19-43b0-9b0a-8d3c08cac4b3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://naturalgaservices.com/role/InventoryDetails" xlink:type="simple" xlink:href="ngs-20180630.xsd#InventoryDetails"/>
  <link:presentationLink xlink:role="http://naturalgaservices.com/role/InventoryDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryDisclosureAbstract_53ded594-fb6a-4da1-8c61-0dc4ce02617b" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InventoryDisclosureAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryValuationReserves_01f90e4f-c583-46d6-8844-0b5cb806d02b" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InventoryValuationReserves"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_InventoryDisclosureAbstract_53ded594-fb6a-4da1-8c61-0dc4ce02617b" xlink:to="loc_us-gaap_InventoryValuationReserves_01f90e4f-c583-46d6-8844-0b5cb806d02b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ngs_InventoryCurrentRawMaterialsNetofReserves_82344675-c6af-434b-ada5-2dbaaf389c63" xlink:href="ngs-20180630.xsd#ngs_InventoryCurrentRawMaterialsNetofReserves"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_InventoryDisclosureAbstract_53ded594-fb6a-4da1-8c61-0dc4ce02617b" xlink:to="loc_ngs_InventoryCurrentRawMaterialsNetofReserves_82344675-c6af-434b-ada5-2dbaaf389c63" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ngs_InventoryNoncurrentRawMaterialsNetofReserves_b5532232-82f5-421e-b65b-f32e957558e4" xlink:href="ngs-20180630.xsd#ngs_InventoryNoncurrentRawMaterialsNetofReserves"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_InventoryDisclosureAbstract_53ded594-fb6a-4da1-8c61-0dc4ce02617b" xlink:to="loc_ngs_InventoryNoncurrentRawMaterialsNetofReserves_b5532232-82f5-421e-b65b-f32e957558e4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryFinishedGoodsNetOfReserves_fccf7df7-3316-4fbd-baec-f018b1418622" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InventoryFinishedGoodsNetOfReserves"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_InventoryDisclosureAbstract_53ded594-fb6a-4da1-8c61-0dc4ce02617b" xlink:to="loc_us-gaap_InventoryFinishedGoodsNetOfReserves_fccf7df7-3316-4fbd-baec-f018b1418622" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryWorkInProcessNetOfReserves_0de9e005-ce29-45b1-b83c-8434a9780280" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InventoryWorkInProcessNetOfReserves"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_InventoryDisclosureAbstract_53ded594-fb6a-4da1-8c61-0dc4ce02617b" xlink:to="loc_us-gaap_InventoryWorkInProcessNetOfReserves_0de9e005-ce29-45b1-b83c-8434a9780280" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ngs_InventoryCurrentAndNoncurrentNet_17f0b224-144c-44e0-b658-dac905828782" xlink:href="ngs-20180630.xsd#ngs_InventoryCurrentAndNoncurrentNet"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_InventoryDisclosureAbstract_53ded594-fb6a-4da1-8c61-0dc4ce02617b" xlink:to="loc_ngs_InventoryCurrentAndNoncurrentNet_17f0b224-144c-44e0-b658-dac905828782" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ngs_InventoryValuationReservesDeductions_35b1eb73-e306-4983-824d-1679ed71f9b1" xlink:href="ngs-20180630.xsd#ngs_InventoryValuationReservesDeductions"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_InventoryDisclosureAbstract_53ded594-fb6a-4da1-8c61-0dc4ce02617b" xlink:to="loc_ngs_InventoryValuationReservesDeductions_35b1eb73-e306-4983-824d-1679ed71f9b1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://naturalgaservices.com/role/DeferredCompensationPlans" xlink:type="simple" xlink:href="ngs-20180630.xsd#DeferredCompensationPlans"/>
  <link:presentationLink xlink:role="http://naturalgaservices.com/role/DeferredCompensationPlans" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PostemploymentBenefitsAbstract_fe9199a6-35fb-4802-9594-7b9612f88cf4" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PostemploymentBenefitsAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CompensationAndEmployeeBenefitPlansTextBlock_2a1a330b-444b-482a-884f-8fefaed915a6" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CompensationAndEmployeeBenefitPlansTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PostemploymentBenefitsAbstract_fe9199a6-35fb-4802-9594-7b9612f88cf4" xlink:to="loc_us-gaap_CompensationAndEmployeeBenefitPlansTextBlock_2a1a330b-444b-482a-884f-8fefaed915a6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://naturalgaservices.com/role/DeferredCompensationPlansDetails" xlink:type="simple" xlink:href="ngs-20180630.xsd#DeferredCompensationPlansDetails"/>
  <link:presentationLink xlink:role="http://naturalgaservices.com/role/DeferredCompensationPlansDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PostemploymentBenefitsAbstract_608bd351-7eb4-4a5b-a412-1d50fce9dba5" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PostemploymentBenefitsAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_ngs_DeferredCompensationArrangementwithIndividualMaximumAnnualContributionsPerEmployeePercent_b90b28e2-ea60-4cda-a41c-8194306e2e93" xlink:href="ngs-20180630.xsd#ngs_DeferredCompensationArrangementwithIndividualMaximumAnnualContributionsPerEmployeePercent"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PostemploymentBenefitsAbstract_608bd351-7eb4-4a5b-a412-1d50fce9dba5" xlink:to="loc_ngs_DeferredCompensationArrangementwithIndividualMaximumAnnualContributionsPerEmployeePercent_b90b28e2-ea60-4cda-a41c-8194306e2e93" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LifeInsuranceCorporateOrBankOwnedAmount_8a937a8a-4eee-496c-b12f-550cc19fa75e" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LifeInsuranceCorporateOrBankOwnedAmount"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PostemploymentBenefitsAbstract_608bd351-7eb4-4a5b-a412-1d50fce9dba5" xlink:to="loc_us-gaap_LifeInsuranceCorporateOrBankOwnedAmount_8a937a8a-4eee-496c-b12f-550cc19fa75e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LifeInsuranceCorporateOrBankOwnedChangeInValue_a12c78b9-eb3e-4e90-ad88-63d05042660a" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LifeInsuranceCorporateOrBankOwnedChangeInValue"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PostemploymentBenefitsAbstract_608bd351-7eb4-4a5b-a412-1d50fce9dba5" xlink:to="loc_us-gaap_LifeInsuranceCorporateOrBankOwnedChangeInValue_a12c78b9-eb3e-4e90-ad88-63d05042660a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredCompensationArrangementWithIndividualRecordedLiability_96ff8213-c955-4b5c-b81c-859b449787df" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DeferredCompensationArrangementWithIndividualRecordedLiability"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PostemploymentBenefitsAbstract_608bd351-7eb4-4a5b-a412-1d50fce9dba5" xlink:to="loc_us-gaap_DeferredCompensationArrangementWithIndividualRecordedLiability_96ff8213-c955-4b5c-b81c-859b449787df" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ngs_DeferredCompensationArrangementwithIndividualDeferredRestrictedStock_8d287dfc-5f41-4ae2-83d5-4034f0bee84e" xlink:href="ngs-20180630.xsd#ngs_DeferredCompensationArrangementwithIndividualDeferredRestrictedStock"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PostemploymentBenefitsAbstract_608bd351-7eb4-4a5b-a412-1d50fce9dba5" xlink:to="loc_ngs_DeferredCompensationArrangementwithIndividualDeferredRestrictedStock_8d287dfc-5f41-4ae2-83d5-4034f0bee84e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredCompensationArrangementWithIndividualSharesIssued_ea0eb757-eacf-49bc-be65-16e533b2baee" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DeferredCompensationArrangementWithIndividualSharesIssued"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PostemploymentBenefitsAbstract_608bd351-7eb4-4a5b-a412-1d50fce9dba5" xlink:to="loc_us-gaap_DeferredCompensationArrangementWithIndividualSharesIssued_ea0eb757-eacf-49bc-be65-16e533b2baee" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredCompensationArrangementWithIndividualFairValueOfSharesIssued_d1d88865-52dc-4490-ac5a-05a531a0e1d1" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DeferredCompensationArrangementWithIndividualFairValueOfSharesIssued"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PostemploymentBenefitsAbstract_608bd351-7eb4-4a5b-a412-1d50fce9dba5" xlink:to="loc_us-gaap_DeferredCompensationArrangementWithIndividualFairValueOfSharesIssued_d1d88865-52dc-4490-ac5a-05a531a0e1d1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://naturalgaservices.com/role/CreditFacility" xlink:type="simple" xlink:href="ngs-20180630.xsd#CreditFacility"/>
  <link:presentationLink xlink:role="http://naturalgaservices.com/role/CreditFacility" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtDisclosureAbstract_8d934e64-18c7-4863-b951-b0b70e51104b" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DebtDisclosureAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtDisclosureTextBlock_b4692836-9cd1-44f4-bae5-448d9b467444" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DebtDisclosureTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtDisclosureAbstract_8d934e64-18c7-4863-b951-b0b70e51104b" xlink:to="loc_us-gaap_DebtDisclosureTextBlock_b4692836-9cd1-44f4-bae5-448d9b467444" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://naturalgaservices.com/role/CreditFacilityDetails" xlink:type="simple" xlink:href="ngs-20180630.xsd#CreditFacilityDetails"/>
  <link:presentationLink xlink:role="http://naturalgaservices.com/role/CreditFacilityDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtDisclosureAbstract_0f7d69c7-650e-4846-a77f-b76cd6d08c99" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DebtDisclosureAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityTable_10710f8b-f2a0-45d6-9da3-6ab4801a4b1b" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LineOfCreditFacilityTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtDisclosureAbstract_0f7d69c7-650e-4846-a77f-b76cd6d08c99" xlink:to="loc_us-gaap_LineOfCreditFacilityTable_10710f8b-f2a0-45d6-9da3-6ab4801a4b1b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RangeAxis_6ee16fe2-73eb-4082-b738-7f625f3157ca" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RangeAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityTable_10710f8b-f2a0-45d6-9da3-6ab4801a4b1b" xlink:to="loc_us-gaap_RangeAxis_6ee16fe2-73eb-4082-b738-7f625f3157ca" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RangeMember_c1cd2a08-32a4-46e5-a0a4-5c312993c6a7" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RangeMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RangeAxis_6ee16fe2-73eb-4082-b738-7f625f3157ca" xlink:to="loc_us-gaap_RangeMember_c1cd2a08-32a4-46e5-a0a4-5c312993c6a7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MinimumMember_7844f3ee-639b-400a-8b88-41c53582d0ac" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_MinimumMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RangeMember_c1cd2a08-32a4-46e5-a0a4-5c312993c6a7" xlink:to="loc_us-gaap_MinimumMember_7844f3ee-639b-400a-8b88-41c53582d0ac" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MaximumMember_4a1728a9-2fa6-46e3-ab82-e050631d5b51" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_MaximumMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RangeMember_c1cd2a08-32a4-46e5-a0a4-5c312993c6a7" xlink:to="loc_us-gaap_MaximumMember_4a1728a9-2fa6-46e3-ab82-e050631d5b51" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableRateAxis_bbb2dc23-a4f5-498b-b41f-5ade07997290" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_VariableRateAxis"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityTable_10710f8b-f2a0-45d6-9da3-6ab4801a4b1b" xlink:to="loc_us-gaap_VariableRateAxis_bbb2dc23-a4f5-498b-b41f-5ade07997290" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableRateDomain_a4e4502d-1b60-47d9-bd4a-48865d02320b" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_VariableRateDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_VariableRateAxis_bbb2dc23-a4f5-498b-b41f-5ade07997290" xlink:to="loc_us-gaap_VariableRateDomain_a4e4502d-1b60-47d9-bd4a-48865d02320b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LondonInterbankOfferedRateLIBORMember_b3ec8ee2-5766-4def-aa58-aa0679d2a0da" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LondonInterbankOfferedRateLIBORMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_VariableRateDomain_a4e4502d-1b60-47d9-bd4a-48865d02320b" xlink:to="loc_us-gaap_LondonInterbankOfferedRateLIBORMember_b3ec8ee2-5766-4def-aa58-aa0679d2a0da" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ngs_CbFloatingRateMember_14f85aa0-2d0a-4290-ade1-0575bc3abe3a" xlink:href="ngs-20180630.xsd#ngs_CbFloatingRateMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_VariableRateDomain_a4e4502d-1b60-47d9-bd4a-48865d02320b" xlink:to="loc_ngs_CbFloatingRateMember_14f85aa0-2d0a-4290-ade1-0575bc3abe3a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityAxis_636ba6b8-6ff4-4d74-be59-4ad8b51a0e61" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CreditFacilityAxis"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityTable_10710f8b-f2a0-45d6-9da3-6ab4801a4b1b" xlink:to="loc_us-gaap_CreditFacilityAxis_636ba6b8-6ff4-4d74-be59-4ad8b51a0e61" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_38a76ba8-184e-4cd4-9df2-ff1848ddffb9" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CreditFacilityDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CreditFacilityAxis_636ba6b8-6ff4-4d74-be59-4ad8b51a0e61" xlink:to="loc_us-gaap_CreditFacilityDomain_38a76ba8-184e-4cd4-9df2-ff1848ddffb9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevolvingCreditFacilityMember_b0a2d035-9fbf-4d46-b030-b17c219afefb" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RevolvingCreditFacilityMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CreditFacilityDomain_38a76ba8-184e-4cd4-9df2-ff1848ddffb9" xlink:to="loc_us-gaap_RevolvingCreditFacilityMember_b0a2d035-9fbf-4d46-b030-b17c219afefb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityLineItems_e502ef03-82a4-47b3-95e1-c88700c357ba" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LineOfCreditFacilityLineItems"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityTable_10710f8b-f2a0-45d6-9da3-6ab4801a4b1b" xlink:to="loc_us-gaap_LineOfCreditFacilityLineItems_e502ef03-82a4-47b3-95e1-c88700c357ba" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_6a9877fa-266f-4f4f-b4c1-17720d483e39" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_e502ef03-82a4-47b3-95e1-c88700c357ba" xlink:to="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_6a9877fa-266f-4f4f-b4c1-17720d483e39" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ngs_LineOfCreditFacilityPotentialIncreaseInBorrowingCapacity_7ae28542-f1de-4caa-b00c-2cb608b08024" xlink:href="ngs-20180630.xsd#ngs_LineOfCreditFacilityPotentialIncreaseInBorrowingCapacity"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_e502ef03-82a4-47b3-95e1-c88700c357ba" xlink:to="loc_ngs_LineOfCreditFacilityPotentialIncreaseInBorrowingCapacity_7ae28542-f1de-4caa-b00c-2cb608b08024" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ngs_LineOfCreditFacilityPotentialMaximumBorrowingCapacity_04985948-89f4-4443-966d-9037d583094d" xlink:href="ngs-20180630.xsd#ngs_LineOfCreditFacilityPotentialMaximumBorrowingCapacity"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_e502ef03-82a4-47b3-95e1-c88700c357ba" xlink:to="loc_ngs_LineOfCreditFacilityPotentialMaximumBorrowingCapacity_04985948-89f4-4443-966d-9037d583094d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ngs_LineOfCreditFacilityCurrentBorrowingCapacityComponentPercentageOfEligibleAccountsReceivable_5e05175d-481d-4696-9a75-925e4ca843d8" xlink:href="ngs-20180630.xsd#ngs_LineOfCreditFacilityCurrentBorrowingCapacityComponentPercentageOfEligibleAccountsReceivable"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_e502ef03-82a4-47b3-95e1-c88700c357ba" xlink:to="loc_ngs_LineOfCreditFacilityCurrentBorrowingCapacityComponentPercentageOfEligibleAccountsReceivable_5e05175d-481d-4696-9a75-925e4ca843d8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ngs_LineOfCreditFacilityCurrentBorrowingCapacityComponentPercentageOfEligibleGeneralInventory_ccb05a58-565a-4b0f-adec-02050f2d0967" xlink:href="ngs-20180630.xsd#ngs_LineOfCreditFacilityCurrentBorrowingCapacityComponentPercentageOfEligibleGeneralInventory"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_e502ef03-82a4-47b3-95e1-c88700c357ba" xlink:to="loc_ngs_LineOfCreditFacilityCurrentBorrowingCapacityComponentPercentageOfEligibleGeneralInventory_ccb05a58-565a-4b0f-adec-02050f2d0967" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ngs_LineOfCreditFacilityCurrentBorrowingCapacityAllowableShareOfTotalCommitmentAmountAttributableToGeneralInventoryComponent_bdf102a2-248d-4246-ac82-397ad1062e5d" xlink:href="ngs-20180630.xsd#ngs_LineOfCreditFacilityCurrentBorrowingCapacityAllowableShareOfTotalCommitmentAmountAttributableToGeneralInventoryComponent"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_e502ef03-82a4-47b3-95e1-c88700c357ba" xlink:to="loc_ngs_LineOfCreditFacilityCurrentBorrowingCapacityAllowableShareOfTotalCommitmentAmountAttributableToGeneralInventoryComponent_bdf102a2-248d-4246-ac82-397ad1062e5d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ngs_LineOfCreditFacilityCurrentBorrowingCapacityComponentPercentageOfEligibleEquipmentInventory_b09e8ed3-648f-4bb1-a0c0-20e218ba95d4" xlink:href="ngs-20180630.xsd#ngs_LineOfCreditFacilityCurrentBorrowingCapacityComponentPercentageOfEligibleEquipmentInventory"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_e502ef03-82a4-47b3-95e1-c88700c357ba" xlink:to="loc_ngs_LineOfCreditFacilityCurrentBorrowingCapacityComponentPercentageOfEligibleEquipmentInventory_b09e8ed3-648f-4bb1-a0c0-20e218ba95d4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity_d26535c5-9c26-4149-a43d-1de1f7129fd3" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity"/>
    <link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_e502ef03-82a4-47b3-95e1-c88700c357ba" xlink:to="loc_us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity_d26535c5-9c26-4149-a43d-1de1f7129fd3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ngs_LineOfCreditFacilityReferenceRateNumberOfAllowableBorrowingsOutstanding_47d8ce18-65c5-466d-88e4-5929debe254b" xlink:href="ngs-20180630.xsd#ngs_LineOfCreditFacilityReferenceRateNumberOfAllowableBorrowingsOutstanding"/>
    <link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_e502ef03-82a4-47b3-95e1-c88700c357ba" xlink:to="loc_ngs_LineOfCreditFacilityReferenceRateNumberOfAllowableBorrowingsOutstanding_47d8ce18-65c5-466d-88e4-5929debe254b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_31a1421c-7a37-4cf5-95c3-1df51edd8c38" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DebtInstrumentBasisSpreadOnVariableRate1"/>
    <link:presentationArc order="10" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_e502ef03-82a4-47b3-95e1-c88700c357ba" xlink:to="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_31a1421c-7a37-4cf5-95c3-1df51edd8c38" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityInterestRateDuringPeriod_a2401648-1637-44da-b3d9-6dff56568fbc" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LineOfCreditFacilityInterestRateDuringPeriod"/>
    <link:presentationArc order="11" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_e502ef03-82a4-47b3-95e1-c88700c357ba" xlink:to="loc_us-gaap_LineOfCreditFacilityInterestRateDuringPeriod_a2401648-1637-44da-b3d9-6dff56568fbc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ngs_LineofCreditFacilityCommitmentCoverageRatio_f8909b1a-46ad-4ae7-a5fa-748d14d689b0" xlink:href="ngs-20180630.xsd#ngs_LineofCreditFacilityCommitmentCoverageRatio"/>
    <link:presentationArc order="12" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_e502ef03-82a4-47b3-95e1-c88700c357ba" xlink:to="loc_ngs_LineofCreditFacilityCommitmentCoverageRatio_f8909b1a-46ad-4ae7-a5fa-748d14d689b0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ngs_LineofCreditFacilityLeverageRatio_4be0a8c3-199b-4bdd-a690-348ebbc7c599" xlink:href="ngs-20180630.xsd#ngs_LineofCreditFacilityLeverageRatio"/>
    <link:presentationArc order="13" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_e502ef03-82a4-47b3-95e1-c88700c357ba" xlink:to="loc_ngs_LineofCreditFacilityLeverageRatio_4be0a8c3-199b-4bdd-a690-348ebbc7c599" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ngs_LineOfCreditFacilityDefaultTriggerCertainDefaultsOfOtherCompanyIndebtednessAmount_989a690e-5d6a-40b9-8b33-6338a67340eb" xlink:href="ngs-20180630.xsd#ngs_LineOfCreditFacilityDefaultTriggerCertainDefaultsOfOtherCompanyIndebtednessAmount"/>
    <link:presentationArc order="14" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_e502ef03-82a4-47b3-95e1-c88700c357ba" xlink:to="loc_ngs_LineOfCreditFacilityDefaultTriggerCertainDefaultsOfOtherCompanyIndebtednessAmount_989a690e-5d6a-40b9-8b33-6338a67340eb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ngs_LineOfCreditFacilityDefaultTriggerRenderingOfCertainJudgmentsAmount_1b270274-42dc-4918-b43a-966ff6825855" xlink:href="ngs-20180630.xsd#ngs_LineOfCreditFacilityDefaultTriggerRenderingOfCertainJudgmentsAmount"/>
    <link:presentationArc order="15" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_e502ef03-82a4-47b3-95e1-c88700c357ba" xlink:to="loc_ngs_LineOfCreditFacilityDefaultTriggerRenderingOfCertainJudgmentsAmount_1b270274-42dc-4918-b43a-966ff6825855" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCredit_b1485055-015a-4a1f-8b26-0bfafabc8786" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LineOfCredit"/>
    <link:presentationArc order="16" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_e502ef03-82a4-47b3-95e1-c88700c357ba" xlink:to="loc_us-gaap_LineOfCredit_b1485055-015a-4a1f-8b26-0bfafabc8786" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://naturalgaservices.com/role/EarningsperShare" xlink:type="simple" xlink:href="ngs-20180630.xsd#EarningsperShare"/>
  <link:presentationLink xlink:role="http://naturalgaservices.com/role/EarningsperShare" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareAbstract_66f66886-8535-4e7f-a9c2-5a67a3ef8a7e" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EarningsPerShareAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareTextBlock_dd283cfb-941c-4968-8402-74fc4eba3616" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EarningsPerShareTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EarningsPerShareAbstract_66f66886-8535-4e7f-a9c2-5a67a3ef8a7e" xlink:to="loc_us-gaap_EarningsPerShareTextBlock_dd283cfb-941c-4968-8402-74fc4eba3616" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://naturalgaservices.com/role/EarningsperShareTables" xlink:type="simple" xlink:href="ngs-20180630.xsd#EarningsperShareTables"/>
  <link:presentationLink xlink:role="http://naturalgaservices.com/role/EarningsperShareTables" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareAbstract_212f00ae-46d6-4945-81a6-8a0878a39dec" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EarningsPerShareAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock_f953a197-e866-4116-a4db-53a430aa886c" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EarningsPerShareAbstract_212f00ae-46d6-4945-81a6-8a0878a39dec" xlink:to="loc_us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock_f953a197-e866-4116-a4db-53a430aa886c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://naturalgaservices.com/role/EarningsperShareBasicandDilutedDetails" xlink:type="simple" xlink:href="ngs-20180630.xsd#EarningsperShareBasicandDilutedDetails"/>
  <link:presentationLink xlink:role="http://naturalgaservices.com/role/EarningsperShareBasicandDilutedDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareAbstract_8f947cb0-374e-4e8e-9a38-b266988ef1f8" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EarningsPerShareAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLossAbstract_febbabf5-3c0c-400e-bbd6-304139bae14e" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NetIncomeLossAbstract"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EarningsPerShareAbstract_8f947cb0-374e-4e8e-9a38-b266988ef1f8" xlink:to="loc_us-gaap_NetIncomeLossAbstract_febbabf5-3c0c-400e-bbd6-304139bae14e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_87e60c8e-3df5-4145-ab80-08e399f5c7d4" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NetIncomeLoss"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetIncomeLossAbstract_febbabf5-3c0c-400e-bbd6-304139bae14e" xlink:to="loc_us-gaap_NetIncomeLoss_87e60c8e-3df5-4145-ab80-08e399f5c7d4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasicAbstract_a359d566-6dee-45c9-a408-621908e463d6" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasicAbstract"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EarningsPerShareAbstract_8f947cb0-374e-4e8e-9a38-b266988ef1f8" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasicAbstract_a359d566-6dee-45c9-a408-621908e463d6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_bd80006c-d851-4f2d-a738-611783a418f2" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasicAbstract_a359d566-6dee-45c9-a408-621908e463d6" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_bd80006c-d851-4f2d-a738-611783a418f2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_594b0012-e3fa-4365-9fd9-c4dd58ef171f" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EarningsPerShareAbstract_8f947cb0-374e-4e8e-9a38-b266988ef1f8" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_594b0012-e3fa-4365-9fd9-c4dd58ef171f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_558f3eff-3c79-40a4-9a31-2d2ee0b873c9" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_594b0012-e3fa-4365-9fd9-c4dd58ef171f" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_558f3eff-3c79-40a4-9a31-2d2ee0b873c9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_9f4a4e78-0096-493c-bcd2-36c8768b5783" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_594b0012-e3fa-4365-9fd9-c4dd58ef171f" xlink:to="loc_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_9f4a4e78-0096-493c-bcd2-36c8768b5783" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_a467b549-6479-4af5-996f-1cc2f2f0cf86" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_594b0012-e3fa-4365-9fd9-c4dd58ef171f" xlink:to="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_a467b549-6479-4af5-996f-1cc2f2f0cf86" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareBasicAndDilutedAbstract_2f7f5e11-1d0e-4ad0-b815-120fedaef03b" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EarningsPerShareBasicAndDilutedAbstract"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EarningsPerShareAbstract_8f947cb0-374e-4e8e-9a38-b266988ef1f8" xlink:to="loc_us-gaap_EarningsPerShareBasicAndDilutedAbstract_2f7f5e11-1d0e-4ad0-b815-120fedaef03b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareBasic_0efbf615-5070-4f00-a487-87346cdadecf" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EarningsPerShareBasic"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EarningsPerShareBasicAndDilutedAbstract_2f7f5e11-1d0e-4ad0-b815-120fedaef03b" xlink:to="loc_us-gaap_EarningsPerShareBasic_0efbf615-5070-4f00-a487-87346cdadecf" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareDiluted_36e1e28c-5c43-41e7-858f-b40f7ab86159" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EarningsPerShareDiluted"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EarningsPerShareBasicAndDilutedAbstract_2f7f5e11-1d0e-4ad0-b815-120fedaef03b" xlink:to="loc_us-gaap_EarningsPerShareDiluted_36e1e28c-5c43-41e7-858f-b40f7ab86159" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_4f627e03-3481-4334-a9fc-98eb68735848" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EarningsPerShareAbstract_8f947cb0-374e-4e8e-9a38-b266988ef1f8" xlink:to="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_4f627e03-3481-4334-a9fc-98eb68735848" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis_5a310baa-60a4-4212-8a3b-5d480af75520" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_4f627e03-3481-4334-a9fc-98eb68735848" xlink:to="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis_5a310baa-60a4-4212-8a3b-5d480af75520" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain_13e5555f-304f-4aef-bef9-c3bad67055cc" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis_5a310baa-60a4-4212-8a3b-5d480af75520" xlink:to="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain_13e5555f-304f-4aef-bef9-c3bad67055cc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ngs_AntidilutiveEffectMember_9feee8dc-bc99-4581-96d5-522b6d80f994" xlink:href="ngs-20180630.xsd#ngs_AntidilutiveEffectMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain_13e5555f-304f-4aef-bef9-c3bad67055cc" xlink:to="loc_ngs_AntidilutiveEffectMember_9feee8dc-bc99-4581-96d5-522b6d80f994" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_9facae28-e905-4b4d-9ea8-8fb6e416a406" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_4f627e03-3481-4334-a9fc-98eb68735848" xlink:to="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_9facae28-e905-4b4d-9ea8-8fb6e416a406" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_5c80f2d4-1dfc-4510-a735-6a62835f25c6" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_9facae28-e905-4b4d-9ea8-8fb6e416a406" xlink:to="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_5c80f2d4-1dfc-4510-a735-6a62835f25c6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit_3e232ff0-1153-4986-ac1b-f5c866936f77" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_9facae28-e905-4b4d-9ea8-8fb6e416a406" xlink:to="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit_3e232ff0-1153-4986-ac1b-f5c866936f77" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit_0228d772-e5a1-4485-ac9a-ff3bcb45ec12" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_9facae28-e905-4b4d-9ea8-8fb6e416a406" xlink:to="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit_0228d772-e5a1-4485-ac9a-ff3bcb45ec12" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://naturalgaservices.com/role/SegmentInformation" xlink:type="simple" xlink:href="ngs-20180630.xsd#SegmentInformation"/>
  <link:presentationLink xlink:role="http://naturalgaservices.com/role/SegmentInformation" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentReportingAbstract_32d21894-6cc0-403b-b1e3-15cb535c6d92" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SegmentReportingAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentReportingDisclosureTextBlock_f7f55ab5-acd5-45a3-a7e2-f29e474cb347" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SegmentReportingDisclosureTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingAbstract_32d21894-6cc0-403b-b1e3-15cb535c6d92" xlink:to="loc_us-gaap_SegmentReportingDisclosureTextBlock_f7f55ab5-acd5-45a3-a7e2-f29e474cb347" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://naturalgaservices.com/role/SegmentInformationTables" xlink:type="simple" xlink:href="ngs-20180630.xsd#SegmentInformationTables"/>
  <link:presentationLink xlink:role="http://naturalgaservices.com/role/SegmentInformationTables" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentReportingAbstract_ed1d6d76-2d1b-4cc1-a992-ea42646aea32" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SegmentReportingAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock_0cff7c7c-ecca-4235-929b-00e2ddfbb647" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingAbstract_ed1d6d76-2d1b-4cc1-a992-ea42646aea32" xlink:to="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock_0cff7c7c-ecca-4235-929b-00e2ddfbb647" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://naturalgaservices.com/role/SegmentInformationDetails" xlink:type="simple" xlink:href="ngs-20180630.xsd#SegmentInformationDetails"/>
  <link:presentationLink xlink:role="http://naturalgaservices.com/role/SegmentInformationDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentReportingAbstract_4b3f97e4-ec29-4f19-b585-54115a44e795" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SegmentReportingAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_fa6f40d1-1ff4-4c22-8270-5639cad4c012" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingAbstract_4b3f97e4-ec29-4f19-b585-54115a44e795" xlink:to="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_fa6f40d1-1ff4-4c22-8270-5639cad4c012" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProductOrServiceAxis_b6951438-cf4c-45f0-8418-10314f493770" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProductOrServiceAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_fa6f40d1-1ff4-4c22-8270-5639cad4c012" xlink:to="loc_us-gaap_ProductOrServiceAxis_b6951438-cf4c-45f0-8418-10314f493770" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProductsAndServicesDomain_2f2942d2-4d2d-4112-b712-81609e6ff2b7" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProductsAndServicesDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ProductOrServiceAxis_b6951438-cf4c-45f0-8418-10314f493770" xlink:to="loc_us-gaap_ProductsAndServicesDomain_2f2942d2-4d2d-4112-b712-81609e6ff2b7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ngs_RentalMember_9816492a-a269-48a8-8a7d-322b4087ab35" xlink:href="ngs-20180630.xsd#ngs_RentalMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ProductsAndServicesDomain_2f2942d2-4d2d-4112-b712-81609e6ff2b7" xlink:to="loc_ngs_RentalMember_9816492a-a269-48a8-8a7d-322b4087ab35" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ngs_SalesServiceLineMember_71c819f4-d474-4618-8663-1e682f9b7cfb" xlink:href="ngs-20180630.xsd#ngs_SalesServiceLineMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ProductsAndServicesDomain_2f2942d2-4d2d-4112-b712-81609e6ff2b7" xlink:to="loc_ngs_SalesServiceLineMember_71c819f4-d474-4618-8663-1e682f9b7cfb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ngs_ServiceandMaintenanceMember_3f3d1e47-0218-4b24-ac20-5f72357a9940" xlink:href="ngs-20180630.xsd#ngs_ServiceandMaintenanceMember"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ProductsAndServicesDomain_2f2942d2-4d2d-4112-b712-81609e6ff2b7" xlink:to="loc_ngs_ServiceandMaintenanceMember_3f3d1e47-0218-4b24-ac20-5f72357a9940" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConsolidationItemsAxis_7d6983e7-64a5-486f-86ee-70dea71aa4d3" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ConsolidationItemsAxis"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_fa6f40d1-1ff4-4c22-8270-5639cad4c012" xlink:to="loc_us-gaap_ConsolidationItemsAxis_7d6983e7-64a5-486f-86ee-70dea71aa4d3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConsolidationItemsDomain_06d12720-5fbd-4a37-94a8-86b6440e5332" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ConsolidationItemsDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ConsolidationItemsAxis_7d6983e7-64a5-486f-86ee-70dea71aa4d3" xlink:to="loc_us-gaap_ConsolidationItemsDomain_06d12720-5fbd-4a37-94a8-86b6440e5332" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CorporateNonSegmentMember_2fb9dc34-023b-4bb3-82e2-8480ffc0e787" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CorporateNonSegmentMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ConsolidationItemsDomain_06d12720-5fbd-4a37-94a8-86b6440e5332" xlink:to="loc_us-gaap_CorporateNonSegmentMember_2fb9dc34-023b-4bb3-82e2-8480ffc0e787" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentReportingInformationLineItems_8c961ff1-4f47-4435-86cb-4a7a8ea66f9c" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SegmentReportingInformationLineItems"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_fa6f40d1-1ff4-4c22-8270-5639cad4c012" xlink:to="loc_us-gaap_SegmentReportingInformationLineItems_8c961ff1-4f47-4435-86cb-4a7a8ea66f9c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NumberOfOperatingSegments_c294cdbe-b972-4450-8940-576e489fe518" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NumberOfOperatingSegments"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_8c961ff1-4f47-4435-86cb-4a7a8ea66f9c" xlink:to="loc_us-gaap_NumberOfOperatingSegments_c294cdbe-b972-4450-8940-576e489fe518" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Revenues_f47f110d-64c4-4059-89e0-819d1740b841" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_Revenues"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_8c961ff1-4f47-4435-86cb-4a7a8ea66f9c" xlink:to="loc_us-gaap_Revenues_f47f110d-64c4-4059-89e0-819d1740b841" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostsAndExpenses_454709d2-ae4b-4227-9ae1-c9b2bef9b38a" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CostsAndExpenses"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_8c961ff1-4f47-4435-86cb-4a7a8ea66f9c" xlink:to="loc_us-gaap_CostsAndExpenses_454709d2-ae4b-4227-9ae1-c9b2bef9b38a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NonoperatingIncomeExpense_fd249ab2-bbe6-4b3f-8a53-9bb59aa0d61e" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NonoperatingIncomeExpense"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_8c961ff1-4f47-4435-86cb-4a7a8ea66f9c" xlink:to="loc_us-gaap_NonoperatingIncomeExpense_fd249ab2-bbe6-4b3f-8a53-9bb59aa0d61e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_596506c3-9ae8-4237-94d1-27472e062030" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_8c961ff1-4f47-4435-86cb-4a7a8ea66f9c" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_596506c3-9ae8-4237-94d1-27472e062030" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://naturalgaservices.com/role/CommitmentsandContingencies" xlink:type="simple" xlink:href="ngs-20180630.xsd#CommitmentsandContingencies"/>
  <link:presentationLink xlink:role="http://naturalgaservices.com/role/CommitmentsandContingencies" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_a404efb7-b898-4373-9237-4c549918763d" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CommitmentsAndContingenciesDisclosureAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LegalMattersAndContingenciesTextBlock_3749e2e5-e9e5-4a4e-bf1c-b37e07bb4d4a" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LegalMattersAndContingenciesTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_a404efb7-b898-4373-9237-4c549918763d" xlink:to="loc_us-gaap_LegalMattersAndContingenciesTextBlock_3749e2e5-e9e5-4a4e-bf1c-b37e07bb4d4a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://naturalgaservices.com/role/CommitmentsandContingenciesDetails" xlink:type="simple" xlink:href="ngs-20180630.xsd#CommitmentsandContingenciesDetails"/>
  <link:presentationLink xlink:role="http://naturalgaservices.com/role/CommitmentsandContingenciesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_68671d32-cfb5-4459-a047-54c650934d7d" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CommitmentsAndContingenciesDisclosureAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractualObligation_9a9fa133-dd73-49d9-9164-5553ff361119" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ContractualObligation"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_68671d32-cfb5-4459-a047-54c650934d7d" xlink:to="loc_us-gaap_ContractualObligation_9a9fa133-dd73-49d9-9164-5553ff361119" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
</link:linkbase>
</XBRL>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>11
<FILENAME>ngs-20180630_g1.jpg
<TEXT>
begin 644 ngs-20180630_g1.jpg
M_]C_X  02D9)1@ ! 0$ 8 !@  #_X0!F17AI9@  24DJ  @    $ !H!!0 !
M    /@   !L!!0 !    1@   "@! P !     @   #$! @ 0    3@
M  !@     0   &     !    4&%I;G0N3D54('8U+C P /_; $,  0$! 0$!
M 0$! 0$! 0$! 0$! 0$! 0$! 0$! 0$! 0$! 0$! 0$! 0$! 0$! 0$! 0$!
M 0$! 0$! 0$! 0$! ?_; $,! 0$! 0$! 0$! 0$! 0$! 0$! 0$! 0$! 0$!
M 0$! 0$! 0$! 0$! 0$! 0$! 0$! 0$! 0$! 0$! 0$! 0$! ?_  !$( %\
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MN;K"P\3%QL?(R<K2T]35UM?8V=KBX^3EYN?HZ>KR\_3U]O?X^?K_V@ , P$
M A$#$0 _ /[]@H!)_+VIU-ZA<CT/'0<9_+M^-.H)A\*^?YL****"@HHHH **
M**  $'D5RGB7Q#:Z!8RRS311W,D%R]L)V\N)/)CS-<S2](;>UAS<77&0.G4F
MM/6M6M]&LI+F;YGVE+:!>)+FX(_=0Q>I+=>N/KP?QW_;%_:=GNY]4^''@O58
M6NKQ9+/QGK%G)%<)9VG_ "Q\+Z/>#Z?\3:YMC_Q]0_\ 7T*TITW4=EO_ %_7
MG^6%:M&E#GW^?]:ZKH_,Z3]A?]KO6?VEOVT/VZ?!\5]-=> O@>?A5X2\)H\T
MSQWM[>V.O7NO:]##),8;*#4KGR8;2W )%M#;L>,U^OE?S$_\$+%2U_:U_P""
MD<,=M<9NM8^#%XUPS>9!')-X;U+_ $49MX ,'! ^T-GI@YR/Z=%)/)_#I[Y_
MR:*T5&H^ZTZ^?Z"PL^>BI;7;'4445F= 4444 %%%% !1110 4444 %%%% !1
M110 4444 %%%% !1110 4444 %%%% "$X!/I5+4+VWT^UFN[F3RX85#R,%+O
M@8Z1CJ>GI4\KQPQN\SJD:*[,[':J(.I+'(X![^^*^"OVJ/VE+'X9Z-!%ITL5
M[XFU-+D^%]&9\R1XB\D^*-7ABY^SVUP?(TBVS;?:<W%T/M0P!48\SM_7E^)G
M4J*G'FW[?U^?8\O_ &P/VGY?"EO>>#?#5RL7C35+.2VD6%O,D\'Z7>1>5^^F
MYM_^$CU*#G/_ !]:7_QZ=<U^/-P\DS2SR/YDDS2/)))_K)))B9O-FF/6<3^F
M.?I5[6-8U+7M2OM:UB\GU#5-2NI+R\O+AC))/<32Y\W_ *[X[G_CUM8<9K/V
ME>&'WE/R^X^N1[_GCM7HTH\L4N_ILOQTV;]#Q:LZE3WU%V2W2NK;=O2]]CUC
M_@A>"/VQ_P#@H]A/E,_P;W,[_O!_Q)M2ZCMCC/Y5_3Y7\R'_  1%CGL_VRO^
M"A,$BZ@D-]:_!_4;=YXITL[K_B5ZC!-=6<TLX@F^S9AMLBU! [U_3=D>H_,5
MQXG^*_1?D>K@]:%.VNG^0M%&0>AS1D'H0:P.D**"0.I ^M&0>A!H **** "B
MBB@ HHHH **** "BBB@ HHHH **** ,G5;%M2T^[L4N[NP:[MYH%O+%XH[FV
M,T9A$\1E# 2P Y!/&>,$G:/RI^/_ ,1_VL_V;3-JNK:9X3^('PU28&/Q[8Z;
MKUG>Z-%/-Y,$7C&RLM5&GV4QGEA_TC3;2UTO P1_I)K]:VZ'Z'^59]]86FIV
M=S8:C:6^H6-Y"T%U9W4$5Q;W$4L9BEBG@F'DRPE3\PYR"5^KC+DES???LOZO
MW\S*I#VB5FUL^WH[]UZZ?G^"T'[?OQ5NHXI+;1_",T++O5E;7O+R?^XYD]/Y
M=,58/[?'Q;#!QHWA5?F_U>[7?Y_VY]/?\:]T_:=_X)Y>;/=>//V<TM=*OF$E
MUK7PPN/+M]'U/ YNO#-X1C2+ZX'FYT^<M:7+$K9FU(^RG\H9GNM/U74= UJT
MNM%\2:3<26>L>']5AFMM5TV\A_UT,T$P['/^D6P_TJU_"O1A*C*//#\K=M-]
MT_\ /2QY53ZQ1E_$ZZ>6S]>B]4?=0_;W^+H#+_8GA7V^77A]?^8YC_Z_7B@_
MM\?%O?N_L7PK\O\ >_MZ3V_Z#@Z'@]/\?AL$?>9O\_7T]J&4$9SN5OUZ_P"<
MUIR1[?B_\S+VL_\ GXOZ_P"WC[?O/V]/C!/:S01Z5X1ADD7_ %S6NM7>SG/^
MIFURZM__  )_T7]:^2O%7BSQ+\0O$5WXB\2:C=:WKVJ3%&FN/-\S'_+&UAA'
M^CPP?].YZFN;MK6YO;F&TM8)+BZN)(H8888_WDLGF_N(H/U&/<8XYKSG]I3]
MI[PO^QWH-]H>B7&E:[^T'?V82Z+?9+S2?A'8&$3^?*0WV>[\6SV_E3VEN;DV
M_ANW_P!,O EQ<?98O*S/,L+E=!UZU172O&*_C5I-*T4O.VGEJVEM^D^&?AEQ
M/XG9_A<FR;#5)8?FC5Q^8UH/ZO@L&^5UL36JNT*=*E%-J^]DE=M)ZW[0/QL^
M'O[)WAZ:#Q3::;XS^-6H64<NF?#NYO+A=+\%P75O/=Z=J7CN*RGMKB;5;F&2
M.XM_#]M=6F+6:W&K_9K7_1U_/7P[_P %)TD\1:;#\6O"W@OP[X=U;4(]*CU[
MP[;W^CR:;>30S&S\[39K[4K?4H;F>&:W^SXM;JU/&+KO^8+?%/5_C)JWB#QQ
MJFHW6N+J6M7B1ZY>3W-Q<:Y>0R^=J6J?OA]HF@N;XS6_VBZ_X^C]HN^+.YKS
M>W\"ZO\ '7]H+X8_"3189KB'3]1CU+6HU^XDEY+#_I4W_/&"UTJ&;_2!WO/S
M_*,'Q+G.;<1PC[7ZM@Z,OX-VOW'_ $]>S;]4OEM_IUQ]X"^$?A1]'2O7HY/1
MXEXIS.%'!8'-XQYJ]?,JJ2<\&E>3I\S]R%WS*]V]#^O+]GOXP7?A#5X?&'PJ
ML;#6=0\316Z0R1K?R2:S'-"?L?[G3;^VN+S,';O7MW[17_!6&?\ 9KT*\T7Q
M/;>&/%WQCN(?*A\$^&M2U.&S\(W6)BI\9:G_ &K=RSZG;Y5KK0M-#7-LHQ=7
M6F!@Z_CW\<?VT? /['?PH3X9_!?6]-O?'<>AQZ=XR^*-N ;?PL#:?8V\,?#\
MP_\ ,5\_*ZKXF Q<C-II+/Y U-/P.UKXE?$/XQZG,?"T6I:/9ZDTMSKGQ"\3
MQ2O.AEE,TT6@V<TQ-YJF?](^WW'VHVO^D<W)_P!+KZ+B'BFI[.5#*T[05ZV,
MJV]E3V35*^C?;HGU[?@_@)]&W(%B</FGB>ZU;,<=2=?*^!\&W_:&(IR:]C4Q
M[I/_ &6C:Z?M%'F35VDM?ZY?V;_^"VGC'XU:W+\/]9T3P+H?Q(M5CN?[+CO-
M9_L^YT^>*::&Z/VS7/M&C?9_)F^UV^I70_Y878N^E?4?CO\ X*O>!OA2F?&W
MQ+\!>(M81<2>'OA=;ZSXLN(N3Y]M+XCF\2:;X?AG!S]JM[>YU/[,>;O((:OX
MF-"T/PE\)K"ZU1;Z2TN+J3?J?B35KJ636-5N/^6WG3?\?$WVG/VC^S[;K:#-
M9<GCKQCXKGV>#_#-PMM<2^7'XH\5+=QV;Q_\MI8=-_X^+SGFT_TH>UI7@T^,
MLSJ8?ZOA:-)2IV7US%.U]$[QZ6?W:Z:G[75^BAX59?Q%B\[XMK8B^)KQJ8+@
M[AQ5,74PE*IRJ%'$5:7M)*2^W?DZ[6L_ZP/&_P#P<"Q0"YM/ 'P5N+LJ)$BU
M'Q/XPU&.-A_?GT[2[:]!S@Y@&J+]>E9G[)W_  4J_;2_X*:?'[Q-^S9\(/'?
MP=_90U#PAX3B\9^(-?U?1]>^(GCG7/#\VJ?V9-=_#W1]1U73=&AN+:#SOM=Q
MK8U/[+]MP+3 %U7\M'BB/X@6NF_8O"<NFZIJ$MO</-KFJ3>5']H\K]R+/380
M?)@\_P#T<W-S]J[#_2O^/L?L)_P09^"_PI_9^^*WQ2_:S^+_ ,<M1^*7[:=_
M\#_'&H>!/@5X6\*>([;0_!/@[0=.C/B"XO?%-Y"UKXF\2:H#9:?9Z+86VF6>
MDG[1=VA\07=T3I75P[G.9XG'*>8YK0]BE_!2IW>D;I.%^B25][]=CXSZ0GA+
MX=Y/PKA<M\._#7/\)C\17P\:V?XEXBGA<+[>48KVL:STBG)<S2223O9(_L[\
M+WW@;]DWP!8:?\7/C_X@\<:]<'SM0\8?%'7=+.MZ_J8B/GKHOA_38--L=+@
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MC#$7*XSXQ\%_^"!7_!4G]N""[D^*S^'OV(O@)K#7 N;CXF6:^(/BMJNBAH2
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MS>:PNO:Q;P^,O%"R>9OC^W_Z7:PS3<_8=-X_M:XN>;JZ_P!$/_'M_I7+^/\
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MR1I\%/#^IP7=Y'X0M+]_MEOIWB;Q+ =,MO$FK+9-/H4<=Q80-=+<W<!_)/\
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M+6X6:WE\0^(=2FTY9[26WMKFSN],N;NU_P!,LG<71N[K]F/'_P#P6*USXO\
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M#8"CE&5YO6H4E5HX/$J'+2JTIUTII56_>BE?5J7YM_%_XV?%SXT?&C0_@O\
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MZ?:37=Y*L5O"A>21F\OIUYR,<=>] %75]6M-'LWN[MF.?DCB3RS/-+_SRA'
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MW %5&7*[HF4>:VMK'\\'@'_@B?\ %GX]ZU<>/?\ @HE^TSXG\2)K4PO[_P"
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# __9

end
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>12
<FILENAME>ngs-20180630_htm.xml
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<XML>
<?xml version="1.0" encoding="utf-8"?>
<xbrl
  xmlns="http://www.xbrl.org/2003/instance"
  xmlns:dei="http://xbrl.sec.gov/dei/2014-01-31"
  xmlns:iso4217="http://www.xbrl.org/2003/iso4217"
  xmlns:link="http://www.xbrl.org/2003/linkbase"
  xmlns:ngs="http://naturalgaservices.com/20180630"
  xmlns:us-gaap="http://fasb.org/us-gaap/2017-01-31"
  xmlns:xbrldi="http://xbrl.org/2006/xbrldi"
  xmlns:xlink="http://www.w3.org/1999/xlink"
  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
    <link:schemaRef xlink:href="ngs-20180630.xsd" xlink:type="simple"/>
    <context id="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001084991</identifier>
        </entity>
        <period>
            <startDate>2018-01-01</startDate>
            <endDate>2018-06-30</endDate>
        </period>
    </context>
    <context id="iec3930dca82d483abc7e8533620171ab_D20180101-20180630">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001084991</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:ProductOrServiceAxis">ngs:RentalMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2018-01-01</startDate>
            <endDate>2018-06-30</endDate>
        </period>
    </context>
    <context id="idf9e1e6d34464276a9572275cc9988b6_D20170101-20170630">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001084991</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:ProductOrServiceAxis">ngs:RentalMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2017-01-01</startDate>
            <endDate>2017-06-30</endDate>
        </period>
    </context>
    <context id="i64be9c23b5b340638d48fa11e2539c56_D20180401-20180630">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001084991</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:ProductOrServiceAxis">ngs:ProductSalesMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2018-04-01</startDate>
            <endDate>2018-06-30</endDate>
        </period>
    </context>
    <context id="i44d520893d5c4923b45f21891608d9d7_D20170401-20170630">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001084991</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:ProductOrServiceAxis">ngs:ProductSalesMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2017-04-01</startDate>
            <endDate>2017-06-30</endDate>
        </period>
    </context>
    <context id="ic66315dd49994cd1806b8effe1fa1a92_D20180101-20180630">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001084991</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:ProductOrServiceAxis">ngs:ProductSalesMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2018-01-01</startDate>
            <endDate>2018-06-30</endDate>
        </period>
    </context>
    <context id="if222bbc2738b4334a73bc9da895564d1_D20170101-20170630">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001084991</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:ProductOrServiceAxis">ngs:ProductSalesMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2017-01-01</startDate>
            <endDate>2017-06-30</endDate>
        </period>
    </context>
    <context id="i8dd14a6624eb4309a15ccb85a55a83a5_D20180401-20180630">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001084991</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:ProductOrServiceAxis">ngs:ServiceandMaintenanceMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2018-04-01</startDate>
            <endDate>2018-06-30</endDate>
        </period>
    </context>
    <context id="i1b1e2c6c5cb14ddf8221ae4d34792446_D20170401-20170630">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001084991</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:ProductOrServiceAxis">ngs:ServiceandMaintenanceMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2017-04-01</startDate>
            <endDate>2017-06-30</endDate>
        </period>
    </context>
    <context id="ic4326a21d1654a30a9790fded0c1907d_D20180101-20180630">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001084991</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:ProductOrServiceAxis">ngs:ServiceandMaintenanceMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2018-01-01</startDate>
            <endDate>2018-06-30</endDate>
        </period>
    </context>
    <context id="i5622e7a47c5647598f4a7f5c6491fcf5_D20170101-20170630">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001084991</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:ProductOrServiceAxis">ngs:ServiceandMaintenanceMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2017-01-01</startDate>
            <endDate>2017-06-30</endDate>
        </period>
    </context>
    <context id="i486ae96497a44bee87d62f2f3d814d35_D20180401-20180630">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001084991</identifier>
        </entity>
        <period>
            <startDate>2018-04-01</startDate>
            <endDate>2018-06-30</endDate>
        </period>
    </context>
    <context id="i201ed1d2fdd042c0bd171af3de0e4482_D20170401-20170630">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001084991</identifier>
        </entity>
        <period>
            <startDate>2017-04-01</startDate>
            <endDate>2017-06-30</endDate>
        </period>
    </context>
    <context id="iae1008ff6a854658ab77be281aab8a0c_D20170101-20170630">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001084991</identifier>
        </entity>
        <period>
            <startDate>2017-01-01</startDate>
            <endDate>2017-06-30</endDate>
        </period>
    </context>
    <context id="i5d64dfa5d4674ee687c339f0606addeb_I20161231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001084991</identifier>
        </entity>
        <period>
            <instant>2016-12-31</instant>
        </period>
    </context>
    <context id="ifaf7beb52b3548fcb1b665aeb3553709_I20170630">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001084991</identifier>
        </entity>
        <period>
            <instant>2017-06-30</instant>
        </period>
    </context>
    <context id="i0d22d73a73dc4ecf893e12eaa250ad79_D20180101-20180630">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001084991</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:TypeOfArrangementAxis">ngs:BillandHoldArrangementMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2018-01-01</startDate>
            <endDate>2018-06-30</endDate>
        </period>
    </context>
    <context id="i02d5c9791f114f8998859b349b181455_D20180401-20180630">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001084991</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:ProductOrServiceAxis">ngs:CompressorRelatedMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2018-04-01</startDate>
            <endDate>2018-06-30</endDate>
        </period>
    </context>
    <context id="iacddec0f3a8645639c4109b9370a1bd1_D20170401-20170630">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001084991</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:ProductOrServiceAxis">ngs:CompressorRelatedMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2017-04-01</startDate>
            <endDate>2017-06-30</endDate>
        </period>
    </context>
    <context id="i220856e3235d4388809f68229baaaccf_D20180101-20180630">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001084991</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:ProductOrServiceAxis">ngs:CompressorRelatedMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2018-01-01</startDate>
            <endDate>2018-06-30</endDate>
        </period>
    </context>
    <context id="idf5ae10b8b0f4ae2b8c747e54af0796c_D20170101-20170630">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001084991</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:ProductOrServiceAxis">ngs:CompressorRelatedMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2017-01-01</startDate>
            <endDate>2017-06-30</endDate>
        </period>
    </context>
    <context id="ice58979ab95b45ab879c904540fa22ee_I20180803">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001084991</identifier>
        </entity>
        <period>
            <instant>2018-08-03</instant>
        </period>
    </context>
    <context id="i29fef94ae5d64b178fee6cb2a1476b7f_D20180401-20180630">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001084991</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:ProductOrServiceAxis">ngs:FlaresRelatedMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2018-04-01</startDate>
            <endDate>2018-06-30</endDate>
        </period>
    </context>
    <context id="ic10ba1f40c1b4ea49cf0cf350618ad75_D20170401-20170630">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001084991</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:ProductOrServiceAxis">ngs:FlaresRelatedMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2017-04-01</startDate>
            <endDate>2017-06-30</endDate>
        </period>
    </context>
    <context id="i968c5acc83014e878074a5a269bd735e_D20180101-20180630">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001084991</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:ProductOrServiceAxis">ngs:FlaresRelatedMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2018-01-01</startDate>
            <endDate>2018-06-30</endDate>
        </period>
    </context>
    <context id="idf71215cb2874a24921a618be03907d1_D20170101-20170630">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001084991</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:ProductOrServiceAxis">ngs:FlaresRelatedMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2017-01-01</startDate>
            <endDate>2017-06-30</endDate>
        </period>
    </context>
    <context id="ief599674ea0446e69b9a0f2b255556cf_D20180401-20180630">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001084991</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:ProductOrServiceAxis">ngs:OtherPartsRebuildsMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2018-04-01</startDate>
            <endDate>2018-06-30</endDate>
        </period>
    </context>
    <context id="ib528d352f2364c1cafc0346c9fe028bb_D20170401-20170630">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001084991</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:ProductOrServiceAxis">ngs:OtherPartsRebuildsMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2017-04-01</startDate>
            <endDate>2017-06-30</endDate>
        </period>
    </context>
    <context id="id12b140a9df2449c8c60b49f0e7a174c_D20180101-20180630">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001084991</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:ProductOrServiceAxis">ngs:OtherPartsRebuildsMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2018-01-01</startDate>
            <endDate>2018-06-30</endDate>
        </period>
    </context>
    <context id="i30e4baac271244aca8c053a7047b8f68_D20170101-20170630">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001084991</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:ProductOrServiceAxis">ngs:OtherPartsRebuildsMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2017-01-01</startDate>
            <endDate>2017-06-30</endDate>
        </period>
    </context>
    <context id="icc50a41eef224f1eaf3b553cb4a66b2d_D20170101-20171231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001084991</identifier>
        </entity>
        <period>
            <startDate>2017-01-01</startDate>
            <endDate>2017-12-31</endDate>
        </period>
    </context>
    <context id="i2f0ae5f9e2fc48399f08a04105626c87_I20180630">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001084991</identifier>
            <segment>
                <xbrldi:typedMember dimension="us-gaap:RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis">
                    <us-gaap:RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis.domain>2019-07-01</us-gaap:RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis.domain>
                </xbrldi:typedMember>
            </segment>
        </entity>
        <period>
            <instant>2018-06-30</instant>
        </period>
    </context>
    <context id="ia164d1f3c2cd43ab92708fa53e1f7ab5_I20180630">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001084991</identifier>
            <segment>
                <xbrldi:typedMember dimension="us-gaap:RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis">
                    <us-gaap:RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis.domain>2020-01-01</us-gaap:RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis.domain>
                </xbrldi:typedMember>
            </segment>
        </entity>
        <period>
            <instant>2018-06-30</instant>
        </period>
    </context>
    <context id="i7eb5f87d32b14e489c2a19a41d6dbc3d_I20180630">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001084991</identifier>
            <segment>
                <xbrldi:typedMember dimension="us-gaap:RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis">
                    <us-gaap:RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis.domain>2021-01-01</us-gaap:RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis.domain>
                </xbrldi:typedMember>
            </segment>
        </entity>
        <period>
            <instant>2018-06-30</instant>
        </period>
    </context>
    <context id="i65a48b1ceaaf40f283ab3bf5f85a07a2_I20180630">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001084991</identifier>
            <segment>
                <xbrldi:typedMember dimension="us-gaap:RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis">
                    <us-gaap:RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis.domain>2022-01-01</us-gaap:RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis.domain>
                </xbrldi:typedMember>
            </segment>
        </entity>
        <period>
            <instant>2018-06-30</instant>
        </period>
    </context>
    <context id="ide7a60d651444069b56bede04e9b292c_I20180630">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001084991</identifier>
            <segment>
                <xbrldi:typedMember dimension="us-gaap:RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis">
                    <us-gaap:RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis.domain>2023-01-01</us-gaap:RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis.domain>
                </xbrldi:typedMember>
            </segment>
        </entity>
        <period>
            <instant>2018-06-30</instant>
        </period>
    </context>
    <context id="if7eba40cf62f49c68dd9e9e5802ab3a9_I20180630">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001084991</identifier>
            <segment>
                <xbrldi:typedMember dimension="us-gaap:RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis">
                    <us-gaap:RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis.domain xsi:nil="true"/>
                </xbrldi:typedMember>
            </segment>
        </entity>
        <period>
            <instant>2018-06-30</instant>
        </period>
    </context>
    <context id="ib5d6a39927d04594b3aec4244799dab3_I20180630">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001084991</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis">ngs:RangeOneMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2018-06-30</instant>
        </period>
    </context>
    <context id="i50eb0c29340e48d991163cc7a6662229_D20180101-20180630">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001084991</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis">ngs:RangeOneMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2018-01-01</startDate>
            <endDate>2018-06-30</endDate>
        </period>
    </context>
    <context id="ic8e7b7a946fe401a99256e776a0c0c3a_I20180630">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001084991</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis">ngs:RangeTwoMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2018-06-30</instant>
        </period>
    </context>
    <context id="idc1af9d8958c4d259f1ccd157ab2adf9_D20180101-20180630">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001084991</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis">ngs:RangeTwoMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2018-01-01</startDate>
            <endDate>2018-06-30</endDate>
        </period>
    </context>
    <context id="ia3c028d104e746e38406266e165b017c_I20180630">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001084991</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis">ngs:RangeThreeMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2018-06-30</instant>
        </period>
    </context>
    <context id="i4a0749d860044c61bf1ca42bfa4d1200_I20180630">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001084991</identifier>
        </entity>
        <period>
            <instant>2018-06-30</instant>
        </period>
    </context>
    <context id="i1e13495543ba4eb5a035647ba087c172_D20180101-20180630">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001084991</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis">ngs:RangeThreeMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2018-01-01</startDate>
            <endDate>2018-06-30</endDate>
        </period>
    </context>
    <context id="i67b51d155e90478b88717cf814ac0480_I20180630">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001084991</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis">ngs:RangeFourMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2018-06-30</instant>
        </period>
    </context>
    <context id="ib975e9ae79a94480869a0195b2e5eb50_D20180101-20180630">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001084991</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis">ngs:RangeFourMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2018-01-01</startDate>
            <endDate>2018-06-30</endDate>
        </period>
    </context>
    <context id="i0e79220b10124ff58fbee0d35a075b41_I20180630">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001084991</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:AwardTypeAxis">us-gaap:EmployeeStockOptionMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2018-06-30</instant>
        </period>
    </context>
    <context id="i17400969f1714964bae0d6c054dc5f1c_D20180101-20180630">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001084991</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:AwardTypeAxis">us-gaap:EmployeeStockOptionMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2018-01-01</startDate>
            <endDate>2018-06-30</endDate>
        </period>
    </context>
    <context id="i9912625348f94916bbb57df90b17f9f0_D20180401-20180630">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001084991</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:AwardTypeAxis">us-gaap:EmployeeStockOptionMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2018-04-01</startDate>
            <endDate>2018-06-30</endDate>
        </period>
    </context>
    <context id="if00c604ae3ff4991a360097594f470b5_D20170401-20170630">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001084991</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:AwardTypeAxis">us-gaap:EmployeeStockOptionMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2017-04-01</startDate>
            <endDate>2017-06-30</endDate>
        </period>
    </context>
    <context id="ia51991f5de484bc991f61322876b55b7_D20180315-20180315">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001084991</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:AwardTypeAxis">us-gaap:RestrictedStockMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:TitleOfIndividualAxis">us-gaap:ChiefExecutiveOfficerMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2018-03-15</startDate>
            <endDate>2018-03-15</endDate>
        </period>
    </context>
    <context id="i0690b16ebf594e5c8556cbd4f269d848_D20180315-20180315">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001084991</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:AwardTypeAxis">us-gaap:RestrictedStockMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:TitleOfIndividualAxis">us-gaap:ChiefFinancialOfficerMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2018-03-15</startDate>
            <endDate>2018-03-15</endDate>
        </period>
    </context>
    <context id="ifaff7bd9d41045a4a6c4c3e3bdfa5f90_D20180101-20180630">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001084991</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:AwardTypeAxis">us-gaap:RestrictedStockMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:TitleOfIndividualAxis">us-gaap:DirectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2018-01-01</startDate>
            <endDate>2018-06-30</endDate>
        </period>
    </context>
    <context id="ic4d3c0da31dc4a6d9e6a956840d0f98c_I20171231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001084991</identifier>
        </entity>
        <period>
            <instant>2017-12-31</instant>
        </period>
    </context>
    <context id="i5a8c23e656684e91af584dc983fd5bf4_D20180101-20180630">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001084991</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:AwardTypeAxis">us-gaap:RestrictedStockMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2018-01-01</startDate>
            <endDate>2018-06-30</endDate>
        </period>
    </context>
    <context id="ic79cc187e1f445d284f73f5b4a8b9917_D20170101-20170630">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001084991</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:AwardTypeAxis">us-gaap:RestrictedStockMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2017-01-01</startDate>
            <endDate>2017-06-30</endDate>
        </period>
    </context>
    <context id="i5035c6c8d5d94c7c8e2d8f88eca3287b_I20180630">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001084991</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:AwardTypeAxis">us-gaap:RestrictedStockMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2018-06-30</instant>
        </period>
    </context>
    <context id="ie0e8dcdc1ed64da9bfb3986db6a83d41_D20180315-20180315">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001084991</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:AwardTypeAxis">us-gaap:RestrictedStockMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:TitleOfIndividualAxis">ngs:VicePresidentofTechnicalServicesMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2018-03-15</startDate>
            <endDate>2018-03-15</endDate>
        </period>
    </context>
    <context id="ie7cfbc6b43db46e09f63047029882524_I20180630">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001084991</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:CreditFacilityAxis">us-gaap:RevolvingCreditFacilityMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2018-06-30</instant>
        </period>
    </context>
    <context id="i2cfb558360254ebbb58258f9ad5a3f6f_D20180101-20180630">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001084991</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:CreditFacilityAxis">us-gaap:RevolvingCreditFacilityMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2018-01-01</startDate>
            <endDate>2018-06-30</endDate>
        </period>
    </context>
    <context id="ib9173b11a2f2429f9000b630d3de30b1_I20180630">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001084991</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:CreditFacilityAxis">us-gaap:RevolvingCreditFacilityMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:VariableRateAxis">us-gaap:LondonInterbankOfferedRateLIBORMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2018-06-30</instant>
        </period>
    </context>
    <context id="ia9fbf53aa453443983937be128f6949b_D20180101-20180630">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001084991</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:CreditFacilityAxis">us-gaap:RevolvingCreditFacilityMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:VariableRateAxis">us-gaap:LondonInterbankOfferedRateLIBORMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2018-01-01</startDate>
            <endDate>2018-06-30</endDate>
        </period>
    </context>
    <context id="ie1094797fe3c43f182d8aa48fc411608_D20180101-20180630">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001084991</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:CreditFacilityAxis">us-gaap:RevolvingCreditFacilityMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:VariableRateAxis">ngs:CbFloatingRateMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2018-01-01</startDate>
            <endDate>2018-06-30</endDate>
        </period>
    </context>
    <context id="id19f0177eb8942f29ee6c46e3ba9d8f6_D20180101-20180630">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001084991</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:CreditFacilityAxis">us-gaap:RevolvingCreditFacilityMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:RangeAxis">us-gaap:MinimumMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2018-01-01</startDate>
            <endDate>2018-06-30</endDate>
        </period>
    </context>
    <context id="ibc68fe2b3be241dfa33b2f8067418d70_D20180101-20180630">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001084991</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:CreditFacilityAxis">us-gaap:RevolvingCreditFacilityMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:RangeAxis">us-gaap:MaximumMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2018-01-01</startDate>
            <endDate>2018-06-30</endDate>
        </period>
    </context>
    <context id="i3bfdc33954c04e2298ca19dbca0d31bc_I20171231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001084991</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:CreditFacilityAxis">us-gaap:RevolvingCreditFacilityMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2017-12-31</instant>
        </period>
    </context>
    <context id="i44cf146e9b604b5eaabc66941a245877_D20180401-20180630">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001084991</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis">ngs:AntidilutiveEffectMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2018-04-01</startDate>
            <endDate>2018-06-30</endDate>
        </period>
    </context>
    <context id="ic96acdbd8973447fb8b96fd76c1f6c39_D20180101-20180630">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001084991</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis">ngs:AntidilutiveEffectMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2018-01-01</startDate>
            <endDate>2018-06-30</endDate>
        </period>
    </context>
    <context id="i2137dbcd383a404e8d7dd86d9f294431_D20170101-20170630">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001084991</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis">ngs:AntidilutiveEffectMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2017-01-01</startDate>
            <endDate>2017-06-30</endDate>
        </period>
    </context>
    <context id="ib7103fd1db234a2bbbc50936b157fd64_D20170401-20170630">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001084991</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis">ngs:AntidilutiveEffectMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2017-04-01</startDate>
            <endDate>2017-06-30</endDate>
        </period>
    </context>
    <context id="i1e76e585074743348f526a9ae178ae91_D20180401-20180630">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001084991</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:ProductOrServiceAxis">ngs:SalesServiceLineMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2018-04-01</startDate>
            <endDate>2018-06-30</endDate>
        </period>
    </context>
    <context id="i9233ec8328ea4b0a99565d735d384d4e_D20180401-20180630">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001084991</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:ProductOrServiceAxis">ngs:RentalMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2018-04-01</startDate>
            <endDate>2018-06-30</endDate>
        </period>
    </context>
    <context id="i3218d69f2dd948ef91d6f52103907513_D20180401-20180630">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001084991</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:ConsolidationItemsAxis">us-gaap:CorporateNonSegmentMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2018-04-01</startDate>
            <endDate>2018-06-30</endDate>
        </period>
    </context>
    <context id="ic41b647ca9b1443a81e7bc58ee05824a_D20170401-20170630">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001084991</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:ProductOrServiceAxis">ngs:SalesServiceLineMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2017-04-01</startDate>
            <endDate>2017-06-30</endDate>
        </period>
    </context>
    <context id="idb424c1002514921a168381082fb3d29_D20170401-20170630">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001084991</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:ConsolidationItemsAxis">us-gaap:CorporateNonSegmentMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2017-04-01</startDate>
            <endDate>2017-06-30</endDate>
        </period>
    </context>
    <context id="ib77640796b1a4e97a4506dac60977119_D20180101-20180630">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001084991</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:ProductOrServiceAxis">ngs:SalesServiceLineMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2018-01-01</startDate>
            <endDate>2018-06-30</endDate>
        </period>
    </context>
    <context id="i95afdea5a0544e90a6353ce180b7143e_D20180101-20180630">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001084991</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:ConsolidationItemsAxis">us-gaap:CorporateNonSegmentMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2018-01-01</startDate>
            <endDate>2018-06-30</endDate>
        </period>
    </context>
    <context id="i44a643d49418457e97713bb4b14fab1f_D20170101-20170630">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001084991</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:ProductOrServiceAxis">ngs:SalesServiceLineMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2017-01-01</startDate>
            <endDate>2017-06-30</endDate>
        </period>
    </context>
    <context id="i612e71ffb1ab4fc48a2ff71513fb2924_D20170101-20170630">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001084991</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:ConsolidationItemsAxis">us-gaap:CorporateNonSegmentMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2017-01-01</startDate>
            <endDate>2017-06-30</endDate>
        </period>
    </context>
    <context id="ieaf988f1c6f048e1963fca6b1c19ea41_D20170401-20170630">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001084991</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:ProductOrServiceAxis">ngs:RentalMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2017-04-01</startDate>
            <endDate>2017-06-30</endDate>
        </period>
    </context>
    <unit id="shares">
        <measure>shares</measure>
    </unit>
    <unit id="usd">
        <measure>iso4217:USD</measure>
    </unit>
    <unit id="number">
        <measure>pure</measure>
    </unit>
    <unit id="loan">
        <measure>ngs:loan</measure>
    </unit>
    <unit id="usdPerShare">
        <divide>
            <unitNumerator>
                <measure>iso4217:USD</measure>
            </unitNumerator>
            <unitDenominator>
                <measure>shares</measure>
            </unitDenominator>
        </divide>
    </unit>
    <unit id="segment">
        <measure>ngs:segment</measure>
    </unit>
    <dei:EntityRegistrantName
      contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNC9mcmFnOjExYTdkYzc4YzQyOTQwNzM5ZmFkODMxMDljNWY1OGM3L3RhYmxlOjNkNjAyOGI0NDdhMzQ1ZmM4ZmExYzRiZTJjNzUzODE4L3RhYmxlcmFuZ2U6M2Q2MDI4YjQ0N2EzNDVmYzhmYTFjNGJlMmM3NTM4MThfMDFjQUFBQUF3QUFBQU1BQUFBQkFBQUFBUUFBQUFBQUFBZzJBQUElM0Q_0c29ce92-8bb6-4214-8e58-1214bd2d9e14">NATURAL GAS SERVICES GROUP INC</dei:EntityRegistrantName>
    <dei:EntityCentralIndexKey
      contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNC9mcmFnOjExYTdkYzc4YzQyOTQwNzM5ZmFkODMxMDljNWY1OGM3L3RhYmxlOjNkNjAyOGI0NDdhMzQ1ZmM4ZmExYzRiZTJjNzUzODE4L3RhYmxlcmFuZ2U6M2Q2MDI4YjQ0N2EzNDVmYzhmYTFjNGJlMmM3NTM4MThfMDIxMUFBQUFCQUFBQUFRQUFBQUJBQUFBQVFBQUFBQUFBQlRiQUFBJTNE_0e584d01-4367-4bb0-8c15-f3596a216e5d">0001084991</dei:EntityCentralIndexKey>
    <dei:EntityFilerCategory
      contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNC9mcmFnOjExYTdkYzc4YzQyOTQwNzM5ZmFkODMxMDljNWY1OGM3L3RhYmxlOjNkNjAyOGI0NDdhMzQ1ZmM4ZmExYzRiZTJjNzUzODE4L3RhYmxlcmFuZ2U6M2Q2MDI4YjQ0N2EzNDVmYzhmYTFjNGJlMmM3NTM4MThfMDIxN0FBQUFCZ0FBQUFZQUFBQUJBQUFBQVFBQUFBQUFBQWc0QUFBJTNE_bad46e8b-8b31-410a-9313-0b258030c615">Accelerated Filer</dei:EntityFilerCategory>
    <dei:DocumentPeriodEndDate
      contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNC9mcmFnOjExYTdkYzc4YzQyOTQwNzM5ZmFkODMxMDljNWY1OGM3L3RhYmxlOjNkNjAyOGI0NDdhMzQ1ZmM4ZmExYzRiZTJjNzUzODE4L3RhYmxlcmFuZ2U6M2Q2MDI4YjQ0N2EzNDVmYzhmYTFjNGJlMmM3NTM4MThfMDJlOUFBQUFDQUFBQUFnQUFBQUJBQUFBQVFBQUFBQUFBQWc3QUFBJTNE_ebaf3359-8d44-46f5-8bff-1cf407f685f0">2018-06-30</dei:DocumentPeriodEndDate>
    <dei:DocumentFiscalYearFocus
      contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNC9mcmFnOjExYTdkYzc4YzQyOTQwNzM5ZmFkODMxMDljNWY1OGM3L3RhYmxlOjNkNjAyOGI0NDdhMzQ1ZmM4ZmExYzRiZTJjNzUzODE4L3RhYmxlcmFuZ2U6M2Q2MDI4YjQ0N2EzNDVmYzhmYTFjNGJlMmM3NTM4MThfMDJlOEFBQUFDUUFBQUFrQUFBQUJBQUFBQVFBQUFBQUFBQWc4QUFBJTNE_a6da7358-71ef-42f5-9982-2ce4db0d865a">2018</dei:DocumentFiscalYearFocus>
    <dei:DocumentFiscalPeriodFocus
      contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNC9mcmFnOjExYTdkYzc4YzQyOTQwNzM5ZmFkODMxMDljNWY1OGM3L3RhYmxlOjNkNjAyOGI0NDdhMzQ1ZmM4ZmExYzRiZTJjNzUzODE4L3RhYmxlcmFuZ2U6M2Q2MDI4YjQ0N2EzNDVmYzhmYTFjNGJlMmM3NTM4MThfMDJlZEFBQUFDZ0FBQUFvQUFBQUJBQUFBQVFBQUFBQUFBQWc5QUFBJTNE_eac52e32-62eb-439e-84af-91b5775a8b33">Q2</dei:DocumentFiscalPeriodFocus>
    <dei:AmendmentFlag
      contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNC9mcmFnOjExYTdkYzc4YzQyOTQwNzM5ZmFkODMxMDljNWY1OGM3L3RhYmxlOjNkNjAyOGI0NDdhMzQ1ZmM4ZmExYzRiZTJjNzUzODE4L3RhYmxlcmFuZ2U6M2Q2MDI4YjQ0N2EzNDVmYzhmYTFjNGJlMmM3NTM4MThfMDJlZUFBQUFDd0FBQUFzQUFBQUJBQUFBQVFBQUFBQUFBQWclMkJBQUElM0Q_9b24d012-cebb-47e2-a9f6-957ddced3c65">false</dei:AmendmentFlag>
    <dei:CurrentFiscalYearEndDate
      contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNC9mcmFnOjExYTdkYzc4YzQyOTQwNzM5ZmFkODMxMDljNWY1OGM3L3RleHRyZWdpb246MTFhN2RjNzhjNDI5NDA3MzlmYWQ4MzEwOWM1ZjU4YzdfNTQ5NzU1ODEzODkwMg_add75f64-d316-4c77-a7a0-ace22a9f54cd">--12-31</dei:CurrentFiscalYearEndDate>
    <us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent
      contextRef="i4a0749d860044c61bf1ca42bfa4d1200_I20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl84My9mcmFnOmY4ZGM1YWY3NTZiNDQwM2JhNDczNjFmMjNmZDQ2ODk2L3RhYmxlOmI5MzE1ODk2NjkyMzQ0Yjk4ZWZkMzAwZGFlNzY0Y2M0L3RhYmxlcmFuZ2U6YjkzMTU4OTY2OTIzNDRiOThlZmQzMDBkYWU3NjRjYzRfMDFjQUFBQUF3QUFBQU1BQUFBQkFBQUFBUUFBQUFBQUFBaUpBQUElM0Q_69c4a9d2-8779-4bcd-9578-3257cb3e261a"
      unitRef="usd">443000</us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent>
    <us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent
      contextRef="ic4d3c0da31dc4a6d9e6a956840d0f98c_I20171231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl84My9mcmFnOmY4ZGM1YWY3NTZiNDQwM2JhNDczNjFmMjNmZDQ2ODk2L3RhYmxlOmI5MzE1ODk2NjkyMzQ0Yjk4ZWZkMzAwZGFlNzY0Y2M0L3RhYmxlcmFuZ2U6YjkzMTU4OTY2OTIzNDRiOThlZmQzMDBkYWU3NjRjYzRfMDFhQUFBQUF3QUFBQU1BQUFBREFBQUFBd0FBQUFBQUFBaVlBQUElM0Q_0b11967d-7da5-4cc2-bb1d-a0901d6a9ec6"
      unitRef="usd">569000</us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent>
    <us-gaap:InventoryValuationReserves
      contextRef="i4a0749d860044c61bf1ca42bfa4d1200_I20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl84My9mcmFnOmY4ZGM1YWY3NTZiNDQwM2JhNDczNjFmMjNmZDQ2ODk2L3RhYmxlOmI5MzE1ODk2NjkyMzQ0Yjk4ZWZkMzAwZGFlNzY0Y2M0L3RhYmxlcmFuZ2U6YjkzMTU4OTY2OTIzNDRiOThlZmQzMDBkYWU3NjRjYzRfMDIxMUFBQUFCQUFBQUFRQUFBQUJBQUFBQVFBQUFBQUFBQWlJQUFBJTNE_fb568c9e-5ed5-4d47-af09-bd4d74d9a16a"
      unitRef="usd">21000</us-gaap:InventoryValuationReserves>
    <us-gaap:InventoryValuationReserves
      contextRef="ic4d3c0da31dc4a6d9e6a956840d0f98c_I20171231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl84My9mcmFnOmY4ZGM1YWY3NTZiNDQwM2JhNDczNjFmMjNmZDQ2ODk2L3RhYmxlOmI5MzE1ODk2NjkyMzQ0Yjk4ZWZkMzAwZGFlNzY0Y2M0L3RhYmxlcmFuZ2U6YjkzMTU4OTY2OTIzNDRiOThlZmQzMDBkYWU3NjRjYzRfMDIxZkFBQUFCQUFBQUFRQUFBQURBQUFBQXdBQUFBQUFBQWlYQUFBJTNE_6955a2cf-422c-42ff-9001-9d738cca4aa9"
      unitRef="usd">15000</us-gaap:InventoryValuationReserves>
    <ngs:AccumulatedDepreciationRentalEquipment
      contextRef="i4a0749d860044c61bf1ca42bfa4d1200_I20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl84My9mcmFnOmY4ZGM1YWY3NTZiNDQwM2JhNDczNjFmMjNmZDQ2ODk2L3RhYmxlOmI5MzE1ODk2NjkyMzQ0Yjk4ZWZkMzAwZGFlNzY0Y2M0L3RhYmxlcmFuZ2U6YjkzMTU4OTY2OTIzNDRiOThlZmQzMDBkYWU3NjRjYzRfMDIxNkFBQUFCd0FBQUFjQUFBQUJBQUFBQVFBQUFBQUFBQWlMQUFBJTNE_7e9cd882-920f-4f88-ac7f-52d45c3c4ac5"
      unitRef="usd">155989000</ngs:AccumulatedDepreciationRentalEquipment>
    <ngs:AccumulatedDepreciationRentalEquipment
      contextRef="ic4d3c0da31dc4a6d9e6a956840d0f98c_I20171231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl84My9mcmFnOmY4ZGM1YWY3NTZiNDQwM2JhNDczNjFmMjNmZDQ2ODk2L3RhYmxlOmI5MzE1ODk2NjkyMzQ0Yjk4ZWZkMzAwZGFlNzY0Y2M0L3RhYmxlcmFuZ2U6YjkzMTU4OTY2OTIzNDRiOThlZmQzMDBkYWU3NjRjYzRfMDIxYUFBQUFCd0FBQUFjQUFBQURBQUFBQXdBQUFBQUFBQWliQUFBJTNE_964ba42a-d3cb-4487-b3aa-ed70d38e7f60"
      unitRef="usd">145851000</ngs:AccumulatedDepreciationRentalEquipment>
    <us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
      contextRef="i4a0749d860044c61bf1ca42bfa4d1200_I20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl84My9mcmFnOmY4ZGM1YWY3NTZiNDQwM2JhNDczNjFmMjNmZDQ2ODk2L3RhYmxlOmI5MzE1ODk2NjkyMzQ0Yjk4ZWZkMzAwZGFlNzY0Y2M0L3RhYmxlcmFuZ2U6YjkzMTU4OTY2OTIzNDRiOThlZmQzMDBkYWU3NjRjYzRfMDJlOUFBQUFDQUFBQUFnQUFBQUJBQUFBQVFBQUFBQUFBQWlOQUFBJTNE_437506f1-56a4-4c2d-98f4-ce81c206d333"
      unitRef="usd">11176000</us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment>
    <us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
      contextRef="ic4d3c0da31dc4a6d9e6a956840d0f98c_I20171231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl84My9mcmFnOmY4ZGM1YWY3NTZiNDQwM2JhNDczNjFmMjNmZDQ2ODk2L3RhYmxlOmI5MzE1ODk2NjkyMzQ0Yjk4ZWZkMzAwZGFlNzY0Y2M0L3RhYmxlcmFuZ2U6YjkzMTU4OTY2OTIzNDRiOThlZmQzMDBkYWU3NjRjYzRfMDJlNUFBQUFDQUFBQUFnQUFBQURBQUFBQXdBQUFBQUFBQWlhQUFBJTNE_c105f173-5f43-436e-8e99-460331581805"
      unitRef="usd">11274000</us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment>
    <ngs:IntangibleAssetsAccumulatedAmortization
      contextRef="i4a0749d860044c61bf1ca42bfa4d1200_I20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl84My9mcmFnOmY4ZGM1YWY3NTZiNDQwM2JhNDczNjFmMjNmZDQ2ODk2L3RhYmxlOmI5MzE1ODk2NjkyMzQ0Yjk4ZWZkMzAwZGFlNzY0Y2M0L3RhYmxlcmFuZ2U6YjkzMTU4OTY2OTIzNDRiOThlZmQzMDBkYWU3NjRjYzRfMDJlOEFBQUFDUUFBQUFrQUFBQUJBQUFBQVFBQUFBQUFBQWlNQUFBJTNE_c1aa8c06-d3a4-46ab-86ee-bd75dd19eeac"
      unitRef="usd">1695000</ngs:IntangibleAssetsAccumulatedAmortization>
    <ngs:IntangibleAssetsAccumulatedAmortization
      contextRef="ic4d3c0da31dc4a6d9e6a956840d0f98c_I20171231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl84My9mcmFnOmY4ZGM1YWY3NTZiNDQwM2JhNDczNjFmMjNmZDQ2ODk2L3RhYmxlOmI5MzE1ODk2NjkyMzQ0Yjk4ZWZkMzAwZGFlNzY0Y2M0L3RhYmxlcmFuZ2U6YjkzMTU4OTY2OTIzNDRiOThlZmQzMDBkYWU3NjRjYzRfMDJlNEFBQUFDUUFBQUFrQUFBQURBQUFBQXdBQUFBQUFBQWljQUFBJTNE_583157dc-d66e-4453-99e2-0e12e4c50994"
      unitRef="usd">1632000</ngs:IntangibleAssetsAccumulatedAmortization>
    <us-gaap:PreferredStockSharesAuthorized
      contextRef="i4a0749d860044c61bf1ca42bfa4d1200_I20180630"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl84My9mcmFnOmY4ZGM1YWY3NTZiNDQwM2JhNDczNjFmMjNmZDQ2ODk2L3RhYmxlOmI5MzE1ODk2NjkyMzQ0Yjk4ZWZkMzAwZGFlNzY0Y2M0L3RhYmxlcmFuZ2U6YjkzMTU4OTY2OTIzNDRiOThlZmQzMDBkYWU3NjRjYzRfMDJmM0FBQUFEQUFBQUF3QUFBQUJBQUFBQVFBQUFBQUFBQWlSQUFBJTNE_f879769d-468d-4105-a239-fc64dc9b6190"
      unitRef="shares">5000000</us-gaap:PreferredStockSharesAuthorized>
    <us-gaap:PreferredStockSharesAuthorized
      contextRef="ic4d3c0da31dc4a6d9e6a956840d0f98c_I20171231"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl84My9mcmFnOmY4ZGM1YWY3NTZiNDQwM2JhNDczNjFmMjNmZDQ2ODk2L3RhYmxlOmI5MzE1ODk2NjkyMzQ0Yjk4ZWZkMzAwZGFlNzY0Y2M0L3RhYmxlcmFuZ2U6YjkzMTU4OTY2OTIzNDRiOThlZmQzMDBkYWU3NjRjYzRfMDJmNUFBQUFEQUFBQUF3QUFBQURBQUFBQXdBQUFBQUFBQWlmQUFBJTNE_fb83cc22-a09c-4d8a-93b6-b97d089780c1"
      unitRef="shares">5000000</us-gaap:PreferredStockSharesAuthorized>
    <us-gaap:PreferredStockSharesIssued
      contextRef="i4a0749d860044c61bf1ca42bfa4d1200_I20180630"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl84My9mcmFnOmY4ZGM1YWY3NTZiNDQwM2JhNDczNjFmMjNmZDQ2ODk2L3RhYmxlOmI5MzE1ODk2NjkyMzQ0Yjk4ZWZkMzAwZGFlNzY0Y2M0L3RhYmxlcmFuZ2U6YjkzMTU4OTY2OTIzNDRiOThlZmQzMDBkYWU3NjRjYzRfMDJmMkFBQUFEUUFBQUEwQUFBQUJBQUFBQVFBQUFBQUFBQWlRQUFBJTNE_5526d4b9-da4b-4f77-8dae-83d0acb8afa3"
      unitRef="shares">0</us-gaap:PreferredStockSharesIssued>
    <us-gaap:PreferredStockSharesIssued
      contextRef="ic4d3c0da31dc4a6d9e6a956840d0f98c_I20171231"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl84My9mcmFnOmY4ZGM1YWY3NTZiNDQwM2JhNDczNjFmMjNmZDQ2ODk2L3RhYmxlOmI5MzE1ODk2NjkyMzQ0Yjk4ZWZkMzAwZGFlNzY0Y2M0L3RhYmxlcmFuZ2U6YjkzMTU4OTY2OTIzNDRiOThlZmQzMDBkYWU3NjRjYzRfMDJmNkFBQUFEUUFBQUEwQUFBQURBQUFBQXdBQUFBQUFBQWllQUFBJTNE_3014b2dd-60af-4ce4-b19f-4fb3e7907592"
      unitRef="shares">0</us-gaap:PreferredStockSharesIssued>
    <us-gaap:PreferredStockSharesOutstanding
      contextRef="i4a0749d860044c61bf1ca42bfa4d1200_I20180630"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl84My9mcmFnOmY4ZGM1YWY3NTZiNDQwM2JhNDczNjFmMjNmZDQ2ODk2L3RhYmxlOmI5MzE1ODk2NjkyMzQ0Yjk4ZWZkMzAwZGFlNzY0Y2M0L3RhYmxlcmFuZ2U6YjkzMTU4OTY2OTIzNDRiOThlZmQzMDBkYWU3NjRjYzRfMDJmZEFBQUFEZ0FBQUE0QUFBQUJBQUFBQVFBQUFBQUFBQWlQQUFBJTNE_2623919a-c638-4695-9f12-3515de714115"
      unitRef="shares">0</us-gaap:PreferredStockSharesOutstanding>
    <us-gaap:PreferredStockSharesOutstanding
      contextRef="ic4d3c0da31dc4a6d9e6a956840d0f98c_I20171231"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl84My9mcmFnOmY4ZGM1YWY3NTZiNDQwM2JhNDczNjFmMjNmZDQ2ODk2L3RhYmxlOmI5MzE1ODk2NjkyMzQ0Yjk4ZWZkMzAwZGFlNzY0Y2M0L3RhYmxlcmFuZ2U6YjkzMTU4OTY2OTIzNDRiOThlZmQzMDBkYWU3NjRjYzRfMDJmOUFBQUFEZ0FBQUE0QUFBQURBQUFBQXdBQUFBQUFBQWlnQUFBJTNE_cb004b95-9fd9-4f10-9a4e-c7c85a719189"
      unitRef="shares">0</us-gaap:PreferredStockSharesOutstanding>
    <us-gaap:CommonStockParOrStatedValuePerShare
      contextRef="i4a0749d860044c61bf1ca42bfa4d1200_I20180630"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl84My9mcmFnOmY4ZGM1YWY3NTZiNDQwM2JhNDczNjFmMjNmZDQ2ODk2L3RhYmxlOmI5MzE1ODk2NjkyMzQ0Yjk4ZWZkMzAwZGFlNzY0Y2M0L3RhYmxlcmFuZ2U6YjkzMTU4OTY2OTIzNDRiOThlZmQzMDBkYWU3NjRjYzRfMDJmY0FBQUFEd0FBQUE4QUFBQUJBQUFBQVFBQUFBQUFBQWlUQUFBJTNE_47116291-8b35-4d50-8e56-4b8599111acc"
      unitRef="usdPerShare">0.01</us-gaap:CommonStockParOrStatedValuePerShare>
    <us-gaap:CommonStockParOrStatedValuePerShare
      contextRef="ic4d3c0da31dc4a6d9e6a956840d0f98c_I20171231"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl84My9mcmFnOmY4ZGM1YWY3NTZiNDQwM2JhNDczNjFmMjNmZDQ2ODk2L3RhYmxlOmI5MzE1ODk2NjkyMzQ0Yjk4ZWZkMzAwZGFlNzY0Y2M0L3RhYmxlcmFuZ2U6YjkzMTU4OTY2OTIzNDRiOThlZmQzMDBkYWU3NjRjYzRfMDJmYUFBQUFEd0FBQUE4QUFBQURBQUFBQXdBQUFBQUFBQWloQUFBJTNE_eee4aed8-e4e6-4e37-9c20-aca9ec921b1b"
      unitRef="usdPerShare">0.01</us-gaap:CommonStockParOrStatedValuePerShare>
    <us-gaap:CommonStockSharesAuthorized
      contextRef="i4a0749d860044c61bf1ca42bfa4d1200_I20180630"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl84My9mcmFnOmY4ZGM1YWY3NTZiNDQwM2JhNDczNjFmMjNmZDQ2ODk2L3RhYmxlOmI5MzE1ODk2NjkyMzQ0Yjk4ZWZkMzAwZGFlNzY0Y2M0L3RhYmxlcmFuZ2U6YjkzMTU4OTY2OTIzNDRiOThlZmQzMDBkYWU3NjRjYzRfMDMxMDFBQUFBRUFBQUFCQUFBQUFCQUFBQUFRQUFBQUFBQUFpU0FBQSUzRA_0a418fb5-2557-479e-bc95-27167c36bd7a"
      unitRef="shares">30000000</us-gaap:CommonStockSharesAuthorized>
    <us-gaap:CommonStockSharesAuthorized
      contextRef="ic4d3c0da31dc4a6d9e6a956840d0f98c_I20171231"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl84My9mcmFnOmY4ZGM1YWY3NTZiNDQwM2JhNDczNjFmMjNmZDQ2ODk2L3RhYmxlOmI5MzE1ODk2NjkyMzQ0Yjk4ZWZkMzAwZGFlNzY0Y2M0L3RhYmxlcmFuZ2U6YjkzMTU4OTY2OTIzNDRiOThlZmQzMDBkYWU3NjRjYzRfMDMxMGZBQUFBRUFBQUFCQUFBQUFEQUFBQUF3QUFBQUFBQUFpaUFBQSUzRA_cf363ced-b48b-4386-998c-866dec3e3898"
      unitRef="shares">30000000</us-gaap:CommonStockSharesAuthorized>
    <us-gaap:CommonStockSharesIssued
      contextRef="i4a0749d860044c61bf1ca42bfa4d1200_I20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl84My9mcmFnOmY4ZGM1YWY3NTZiNDQwM2JhNDczNjFmMjNmZDQ2ODk2L3RhYmxlOmI5MzE1ODk2NjkyMzQ0Yjk4ZWZkMzAwZGFlNzY0Y2M0L3RhYmxlcmFuZ2U6YjkzMTU4OTY2OTIzNDRiOThlZmQzMDBkYWU3NjRjYzRfMDMxMDJBQUFBRVFBQUFCRUFBQUFCQUFBQUFRQUFBQUFBQUFpVUFBQSUzRA_c2b606b9-5b1d-4faf-ad15-830f5353aafa"
      unitRef="shares">12968000</us-gaap:CommonStockSharesIssued>
    <us-gaap:CommonStockSharesIssued
      contextRef="ic4d3c0da31dc4a6d9e6a956840d0f98c_I20171231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl84My9mcmFnOmY4ZGM1YWY3NTZiNDQwM2JhNDczNjFmMjNmZDQ2ODk2L3RhYmxlOmI5MzE1ODk2NjkyMzQ0Yjk4ZWZkMzAwZGFlNzY0Y2M0L3RhYmxlcmFuZ2U6YjkzMTU4OTY2OTIzNDRiOThlZmQzMDBkYWU3NjRjYzRfMDMxMGNBQUFBRVFBQUFCRUFBQUFEQUFBQUF3QUFBQUFBQUFpa0FBQSUzRA_0214a0d5-a0e0-4409-9c7d-0a63f60ae9d6"
      unitRef="shares">12880000</us-gaap:CommonStockSharesIssued>
    <us-gaap:CommonStockSharesOutstanding
      contextRef="i4a0749d860044c61bf1ca42bfa4d1200_I20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl84My9mcmFnOmY4ZGM1YWY3NTZiNDQwM2JhNDczNjFmMjNmZDQ2ODk2L3RhYmxlOmI5MzE1ODk2NjkyMzQ0Yjk4ZWZkMzAwZGFlNzY0Y2M0L3RhYmxlcmFuZ2U6YjkzMTU4OTY2OTIzNDRiOThlZmQzMDBkYWU3NjRjYzRfMDMxMDdBQUFBRWdBQUFCSUFBQUFCQUFBQUFRQUFBQUFBQUFpVkFBQSUzRA_6d877416-6d82-44a1-b32a-5cddbab92603"
      unitRef="shares">12968000</us-gaap:CommonStockSharesOutstanding>
    <us-gaap:CommonStockSharesOutstanding
      contextRef="ic4d3c0da31dc4a6d9e6a956840d0f98c_I20171231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl84My9mcmFnOmY4ZGM1YWY3NTZiNDQwM2JhNDczNjFmMjNmZDQ2ODk2L3RhYmxlOmI5MzE1ODk2NjkyMzQ0Yjk4ZWZkMzAwZGFlNzY0Y2M0L3RhYmxlcmFuZ2U6YjkzMTU4OTY2OTIzNDRiOThlZmQzMDBkYWU3NjRjYzRfMDMxMGJBQUFBRWdBQUFCSUFBQUFEQUFBQUF3QUFBQUFBQUFpakFBQSUzRA_631232d6-1e1f-43b6-83c3-f9119b6f89a1"
      unitRef="shares">12880000</us-gaap:CommonStockSharesOutstanding>
    <us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1
      contextRef="ia51991f5de484bc991f61322876b55b7_D20180315-20180315"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90ZXh0cmVnaW9uOmYwZTE1OWEwNjBhMDRkMmFiNjRhMWU2OGUyZWI0MDY1XzQzOTgwNDY1MTM1NzM_95a248aa-ce92-4bd0-aa44-6f89e7607b6b">P3Y</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1>
    <us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1
      contextRef="i0690b16ebf594e5c8556cbd4f269d848_D20180315-20180315"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90ZXh0cmVnaW9uOmYwZTE1OWEwNjBhMDRkMmFiNjRhMWU2OGUyZWI0MDY1XzQzOTgwNDY1MTM1OTE_2c8384b9-6fc6-4db0-b133-870c768af47b">P3Y</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1>
    <us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1
      contextRef="i5a8c23e656684e91af584dc983fd5bf4_D20180101-20180630"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90ZXh0cmVnaW9uOmYwZTE1OWEwNjBhMDRkMmFiNjRhMWU2OGUyZWI0MDY1XzQzOTgwNDY1MTM2MDc_082da9f5-91cd-4885-b93e-02c00fab0307">P3Y</us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1>
    <us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit
      contextRef="i50eb0c29340e48d991163cc7a6662229_D20180101-20180630"
      decimals="2"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xODAvZnJhZzo4YWU3ZjVmNjk1NjM0ZDVmYmNjMTdiODE0ZTVhZTFhOC90YWJsZTpjYzdkODM3NWUwNDg0MzdhYjZkNmY0MDk4YzkxYzRlNi90YWJsZXJhbmdlOmNjN2Q4Mzc1ZTA0ODQzN2FiNmQ2ZjQwOThjOTFjNGU2XzAxN0FBQUFBUUFBQUFFQUFBQUNBQUFBQWdBQUFBQUFBQW1wQUFBJTNE_81d0fae4-aaff-4ee0-bb89-fe31883d8559"
      unitRef="usdPerShare">0.01</us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit>
    <us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit
      contextRef="i50eb0c29340e48d991163cc7a6662229_D20180101-20180630"
      decimals="2"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xODAvZnJhZzo4YWU3ZjVmNjk1NjM0ZDVmYmNjMTdiODE0ZTVhZTFhOC90YWJsZTpjYzdkODM3NWUwNDg0MzdhYjZkNmY0MDk4YzkxYzRlNi90YWJsZXJhbmdlOmNjN2Q4Mzc1ZTA0ODQzN2FiNmQ2ZjQwOThjOTFjNGU2XzAxNkFBQUFBUUFBQUFFQUFBQURBQUFBQXdBQUFBQUFBQW1yQUFBJTNE_2c2234ef-6090-4af4-8bf6-b4a9edb83d19"
      unitRef="usdPerShare">15.70</us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit>
    <us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit
      contextRef="idc1af9d8958c4d259f1ccd157ab2adf9_D20180101-20180630"
      decimals="2"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xODAvZnJhZzo4YWU3ZjVmNjk1NjM0ZDVmYmNjMTdiODE0ZTVhZTFhOC90YWJsZTpjYzdkODM3NWUwNDg0MzdhYjZkNmY0MDk4YzkxYzRlNi90YWJsZXJhbmdlOmNjN2Q4Mzc1ZTA0ODQzN2FiNmQ2ZjQwOThjOTFjNGU2XzAxOEFBQUFBZ0FBQUFJQUFBQUNBQUFBQWdBQUFBQUFBQW1xQUFBJTNE_9690b1ef-e2d7-46c1-8f97-41eaa251a76f"
      unitRef="usdPerShare">15.71</us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit>
    <us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit
      contextRef="idc1af9d8958c4d259f1ccd157ab2adf9_D20180101-20180630"
      decimals="2"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xODAvZnJhZzo4YWU3ZjVmNjk1NjM0ZDVmYmNjMTdiODE0ZTVhZTFhOC90YWJsZTpjYzdkODM3NWUwNDg0MzdhYjZkNmY0MDk4YzkxYzRlNi90YWJsZXJhbmdlOmNjN2Q4Mzc1ZTA0ODQzN2FiNmQ2ZjQwOThjOTFjNGU2XzAxOUFBQUFBZ0FBQUFJQUFBQURBQUFBQXdBQUFBQUFBQW1zQUFBJTNE_17238b35-c00d-4c04-809b-c7ac86c418ae"
      unitRef="usdPerShare">17.81</us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit>
    <us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit
      contextRef="i1e13495543ba4eb5a035647ba087c172_D20180101-20180630"
      decimals="2"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xODAvZnJhZzo4YWU3ZjVmNjk1NjM0ZDVmYmNjMTdiODE0ZTVhZTFhOC90YWJsZTpjYzdkODM3NWUwNDg0MzdhYjZkNmY0MDk4YzkxYzRlNi90YWJsZXJhbmdlOmNjN2Q4Mzc1ZTA0ODQzN2FiNmQ2ZjQwOThjOTFjNGU2XzAxYkFBQUFBd0FBQUFNQUFBQUNBQUFBQWdBQUFBQUFBQW11QUFBJTNE_78ee53fb-a87e-4eed-b736-040e48ad4474"
      unitRef="usdPerShare">17.82</us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit>
    <us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit
      contextRef="i1e13495543ba4eb5a035647ba087c172_D20180101-20180630"
      decimals="2"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xODAvZnJhZzo4YWU3ZjVmNjk1NjM0ZDVmYmNjMTdiODE0ZTVhZTFhOC90YWJsZTpjYzdkODM3NWUwNDg0MzdhYjZkNmY0MDk4YzkxYzRlNi90YWJsZXJhbmdlOmNjN2Q4Mzc1ZTA0ODQzN2FiNmQ2ZjQwOThjOTFjNGU2XzAxYUFBQUFBd0FBQUFNQUFBQURBQUFBQXdBQUFBQUFBQW10QUFBJTNE_fabc3357-9085-4c52-8744-22be353f3abd"
      unitRef="usdPerShare">20.48</us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit>
    <us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit
      contextRef="ib975e9ae79a94480869a0195b2e5eb50_D20180101-20180630"
      decimals="2"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xODAvZnJhZzo4YWU3ZjVmNjk1NjM0ZDVmYmNjMTdiODE0ZTVhZTFhOC90YWJsZTpjYzdkODM3NWUwNDg0MzdhYjZkNmY0MDk4YzkxYzRlNi90YWJsZXJhbmdlOmNjN2Q4Mzc1ZTA0ODQzN2FiNmQ2ZjQwOThjOTFjNGU2XzAyMWVBQUFBQkFBQUFBUUFBQUFDQUFBQUFnQUFBQUFBQUFtd0FBQSUzRA_a9c17dff-d808-4032-a66b-95dbb6dba705"
      unitRef="usdPerShare">20.49</us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit>
    <us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit
      contextRef="ib975e9ae79a94480869a0195b2e5eb50_D20180101-20180630"
      decimals="2"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xODAvZnJhZzo4YWU3ZjVmNjk1NjM0ZDVmYmNjMTdiODE0ZTVhZTFhOC90YWJsZTpjYzdkODM3NWUwNDg0MzdhYjZkNmY0MDk4YzkxYzRlNi90YWJsZXJhbmdlOmNjN2Q4Mzc1ZTA0ODQzN2FiNmQ2ZjQwOThjOTFjNGU2XzAyMWZBQUFBQkFBQUFBUUFBQUFEQUFBQUF3QUFBQUFBQUFtdkFBQSUzRA_669747cc-c5a8-4195-991a-aadd6a669431"
      unitRef="usdPerShare">33.36</us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit>
    <us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod
      contextRef="ie0e8dcdc1ed64da9bfb3986db6a83d41_D20180315-20180315"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xODAvZnJhZzo4YWU3ZjVmNjk1NjM0ZDVmYmNjMTdiODE0ZTVhZTFhOC90YWJsZTo0ZGE5NjdkYTFiYzg0ZTNmOWU5ODYyNzVlOGU5NTg2Ni90YWJsZXJhbmdlOjRkYTk2N2RhMWJjODRlM2Y5ZTk4NjI3NWU4ZTk1ODY2XzAxY0FBQUFBd0FBQUFNQUFBQUJBQUFBQVFBQUFBQUFBQW15QUFBJTNE_1d260575-eba4-49f7-8086-9ad87bc63064"
      unitRef="shares">20000</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod>
    <us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1
      contextRef="ie0e8dcdc1ed64da9bfb3986db6a83d41_D20180315-20180315"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xODAvZnJhZzo4YWU3ZjVmNjk1NjM0ZDVmYmNjMTdiODE0ZTVhZTFhOC90YWJsZTo0ZGE5NjdkYTFiYzg0ZTNmOWU5ODYyNzVlOGU5NTg2Ni90YWJsZXJhbmdlOjRkYTk2N2RhMWJjODRlM2Y5ZTk4NjI3NWU4ZTk1ODY2XzAyMTJBQUFBQlFBQUFBVUFBQUFCQUFBQUFRQUFBQUFBQUFtMUFBQSUzRA_bbb49b70-8829-4663-99ca-ed33d166d068">P3Y</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1>
    <dei:DocumentType
      contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xL2ZyYWc6NDNkNDEyZWZjYTI3NGJlNmIyMjRmMDIxNzc3MzAzOWYvdGV4dHJlZ2lvbjo0M2Q0MTJlZmNhMjc0YmU2YjIyNGYwMjE3NzczMDM5Zl81NDk3NTU4MTYyMDM_11bda6f2-d537-4753-832d-fe78bc60d6dc">10-Q</dei:DocumentType>
    <dei:EntityCommonStockSharesOutstanding
      contextRef="ice58979ab95b45ab879c904540fa22ee_I20180803"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xL2ZyYWc6NDNkNDEyZWZjYTI3NGJlNmIyMjRmMDIxNzc3MzAzOWYvdGFibGU6OTZjYjY4YWM3NzI2NDI1Y2I5NTkwMWZmOGNhODFhZmYvdGFibGVyYW5nZTo5NmNiNjhhYzc3MjY0MjVjYjk1OTAxZmY4Y2E4MWFmZl8xLTItMS0xLTI0MDI_f2dd74ce-2b10-413c-bea2-618ada0d32f5"
      unitRef="shares">13086506</dei:EntityCommonStockSharesOutstanding>
    <us-gaap:CashAndCashEquivalentsAtCarryingValue
      contextRef="i4a0749d860044c61bf1ca42bfa4d1200_I20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl83MC9mcmFnOjE3YzcyN2MzZmQyYTRmZjg4ZDZmNzkyN2Q5Nzg5YWMzL3RhYmxlOjYzYTNkOTIwOTg3MzQ5YWQ4MWVlMDQyNzUxMjI2ZmE2L3RhYmxlcmFuZ2U6NjNhM2Q5MjA5ODczNDlhZDgxZWUwNDI3NTEyMjZmYTZfNi0xLTEtMS0xNDE_b31fdde0-4e30-436d-881f-c31a3fcfd41b"
      unitRef="usd">62490000</us-gaap:CashAndCashEquivalentsAtCarryingValue>
    <us-gaap:CashAndCashEquivalentsAtCarryingValue
      contextRef="ic4d3c0da31dc4a6d9e6a956840d0f98c_I20171231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl83MC9mcmFnOjE3YzcyN2MzZmQyYTRmZjg4ZDZmNzkyN2Q5Nzg5YWMzL3RhYmxlOjYzYTNkOTIwOTg3MzQ5YWQ4MWVlMDQyNzUxMjI2ZmE2L3RhYmxlcmFuZ2U6NjNhM2Q5MjA5ODczNDlhZDgxZWUwNDI3NTEyMjZmYTZfNi0zLTEtMS0xNDE_22b21a35-bab2-4f14-a119-54c2322c1884"
      unitRef="usd">69208000</us-gaap:CashAndCashEquivalentsAtCarryingValue>
    <us-gaap:AccountsReceivableNetCurrent
      contextRef="i4a0749d860044c61bf1ca42bfa4d1200_I20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl83MC9mcmFnOjE3YzcyN2MzZmQyYTRmZjg4ZDZmNzkyN2Q5Nzg5YWMzL3RhYmxlOjYzYTNkOTIwOTg3MzQ5YWQ4MWVlMDQyNzUxMjI2ZmE2L3RhYmxlcmFuZ2U6NjNhM2Q5MjA5ODczNDlhZDgxZWUwNDI3NTEyMjZmYTZfNy0xLTEtMS0xNDE_5ed927cf-84ff-4217-8230-847c1135878f"
      unitRef="usd">9375000</us-gaap:AccountsReceivableNetCurrent>
    <us-gaap:AccountsReceivableNetCurrent
      contextRef="ic4d3c0da31dc4a6d9e6a956840d0f98c_I20171231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl83MC9mcmFnOjE3YzcyN2MzZmQyYTRmZjg4ZDZmNzkyN2Q5Nzg5YWMzL3RhYmxlOjYzYTNkOTIwOTg3MzQ5YWQ4MWVlMDQyNzUxMjI2ZmE2L3RhYmxlcmFuZ2U6NjNhM2Q5MjA5ODczNDlhZDgxZWUwNDI3NTEyMjZmYTZfNy0zLTEtMS0xNDE_2fc59437-eb23-410b-b394-1e12123f0f7e"
      unitRef="usd">8534000</us-gaap:AccountsReceivableNetCurrent>
    <us-gaap:InventoryNet
      contextRef="i4a0749d860044c61bf1ca42bfa4d1200_I20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl83MC9mcmFnOjE3YzcyN2MzZmQyYTRmZjg4ZDZmNzkyN2Q5Nzg5YWMzL3RhYmxlOjYzYTNkOTIwOTg3MzQ5YWQ4MWVlMDQyNzUxMjI2ZmE2L3RhYmxlcmFuZ2U6NjNhM2Q5MjA5ODczNDlhZDgxZWUwNDI3NTEyMjZmYTZfOC0xLTEtMS0xNDE_7851485b-f18f-444c-a8de-c2c1d4b0264f"
      unitRef="usd">23042000</us-gaap:InventoryNet>
    <us-gaap:InventoryNet
      contextRef="ic4d3c0da31dc4a6d9e6a956840d0f98c_I20171231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl83MC9mcmFnOjE3YzcyN2MzZmQyYTRmZjg4ZDZmNzkyN2Q5Nzg5YWMzL3RhYmxlOjYzYTNkOTIwOTg3MzQ5YWQ4MWVlMDQyNzUxMjI2ZmE2L3RhYmxlcmFuZ2U6NjNhM2Q5MjA5ODczNDlhZDgxZWUwNDI3NTEyMjZmYTZfOC0zLTEtMS0xNDE_adad3e3c-0e8a-45b6-b95d-468e0a6264ef"
      unitRef="usd">26224000</us-gaap:InventoryNet>
    <us-gaap:PrepaidTaxes
      contextRef="i4a0749d860044c61bf1ca42bfa4d1200_I20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl83MC9mcmFnOjE3YzcyN2MzZmQyYTRmZjg4ZDZmNzkyN2Q5Nzg5YWMzL3RhYmxlOjYzYTNkOTIwOTg3MzQ5YWQ4MWVlMDQyNzUxMjI2ZmE2L3RhYmxlcmFuZ2U6NjNhM2Q5MjA5ODczNDlhZDgxZWUwNDI3NTEyMjZmYTZfOS0xLTEtMS0xNDE_85008313-3dab-410a-956a-58b014e14f68"
      unitRef="usd">3177000</us-gaap:PrepaidTaxes>
    <us-gaap:PrepaidTaxes
      contextRef="ic4d3c0da31dc4a6d9e6a956840d0f98c_I20171231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl83MC9mcmFnOjE3YzcyN2MzZmQyYTRmZjg4ZDZmNzkyN2Q5Nzg5YWMzL3RhYmxlOjYzYTNkOTIwOTg3MzQ5YWQ4MWVlMDQyNzUxMjI2ZmE2L3RhYmxlcmFuZ2U6NjNhM2Q5MjA5ODczNDlhZDgxZWUwNDI3NTEyMjZmYTZfOS0zLTEtMS0xNDE_8b4f941c-82b2-4a9a-a330-e876650d3586"
      unitRef="usd">3443000</us-gaap:PrepaidTaxes>
    <us-gaap:PrepaidExpenseAndOtherAssetsCurrent
      contextRef="i4a0749d860044c61bf1ca42bfa4d1200_I20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl83MC9mcmFnOjE3YzcyN2MzZmQyYTRmZjg4ZDZmNzkyN2Q5Nzg5YWMzL3RhYmxlOjYzYTNkOTIwOTg3MzQ5YWQ4MWVlMDQyNzUxMjI2ZmE2L3RhYmxlcmFuZ2U6NjNhM2Q5MjA5ODczNDlhZDgxZWUwNDI3NTEyMjZmYTZfMTAtMS0xLTEtMTQx_976c99a8-6b1c-48a3-b592-77c438d575d0"
      unitRef="usd">762000</us-gaap:PrepaidExpenseAndOtherAssetsCurrent>
    <us-gaap:PrepaidExpenseAndOtherAssetsCurrent
      contextRef="ic4d3c0da31dc4a6d9e6a956840d0f98c_I20171231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl83MC9mcmFnOjE3YzcyN2MzZmQyYTRmZjg4ZDZmNzkyN2Q5Nzg5YWMzL3RhYmxlOjYzYTNkOTIwOTg3MzQ5YWQ4MWVlMDQyNzUxMjI2ZmE2L3RhYmxlcmFuZ2U6NjNhM2Q5MjA5ODczNDlhZDgxZWUwNDI3NTEyMjZmYTZfMTAtMy0xLTEtMTQx_772fda2b-bd9e-4e1d-9b6a-dbf85cb0a404"
      unitRef="usd">817000</us-gaap:PrepaidExpenseAndOtherAssetsCurrent>
    <us-gaap:AssetsCurrent
      contextRef="i4a0749d860044c61bf1ca42bfa4d1200_I20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl83MC9mcmFnOjE3YzcyN2MzZmQyYTRmZjg4ZDZmNzkyN2Q5Nzg5YWMzL3RhYmxlOjYzYTNkOTIwOTg3MzQ5YWQ4MWVlMDQyNzUxMjI2ZmE2L3RhYmxlcmFuZ2U6NjNhM2Q5MjA5ODczNDlhZDgxZWUwNDI3NTEyMjZmYTZfMTEtMS0xLTEtMTQx_365aee83-a94b-46e3-a036-196532fbcac9"
      unitRef="usd">98846000</us-gaap:AssetsCurrent>
    <us-gaap:AssetsCurrent
      contextRef="ic4d3c0da31dc4a6d9e6a956840d0f98c_I20171231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl83MC9mcmFnOjE3YzcyN2MzZmQyYTRmZjg4ZDZmNzkyN2Q5Nzg5YWMzL3RhYmxlOjYzYTNkOTIwOTg3MzQ5YWQ4MWVlMDQyNzUxMjI2ZmE2L3RhYmxlcmFuZ2U6NjNhM2Q5MjA5ODczNDlhZDgxZWUwNDI3NTEyMjZmYTZfMTEtMy0xLTEtMTQx_c382f383-52a9-4ab4-9d78-a7cd6bd453d5"
      unitRef="usd">108226000</us-gaap:AssetsCurrent>
    <us-gaap:InventoryNoncurrent
      contextRef="i4a0749d860044c61bf1ca42bfa4d1200_I20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl83MC9mcmFnOjE3YzcyN2MzZmQyYTRmZjg4ZDZmNzkyN2Q5Nzg5YWMzL3RhYmxlOjYzYTNkOTIwOTg3MzQ5YWQ4MWVlMDQyNzUxMjI2ZmE2L3RhYmxlcmFuZ2U6NjNhM2Q5MjA5ODczNDlhZDgxZWUwNDI3NTEyMjZmYTZfMTItMS0xLTEtMTQx_8f00901b-cc2c-4f6e-a49f-cc8e7925c6d2"
      unitRef="usd">3467000</us-gaap:InventoryNoncurrent>
    <us-gaap:InventoryNoncurrent
      contextRef="ic4d3c0da31dc4a6d9e6a956840d0f98c_I20171231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl83MC9mcmFnOjE3YzcyN2MzZmQyYTRmZjg4ZDZmNzkyN2Q5Nzg5YWMzL3RhYmxlOjYzYTNkOTIwOTg3MzQ5YWQ4MWVlMDQyNzUxMjI2ZmE2L3RhYmxlcmFuZ2U6NjNhM2Q5MjA5ODczNDlhZDgxZWUwNDI3NTEyMjZmYTZfMTItMy0xLTEtMTQx_a88e2367-fa1c-4d27-80a4-7292a8be9034"
      unitRef="usd">2829000</us-gaap:InventoryNoncurrent>
    <ngs:RentalEquipmentNet
      contextRef="i4a0749d860044c61bf1ca42bfa4d1200_I20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl83MC9mcmFnOjE3YzcyN2MzZmQyYTRmZjg4ZDZmNzkyN2Q5Nzg5YWMzL3RhYmxlOjYzYTNkOTIwOTg3MzQ5YWQ4MWVlMDQyNzUxMjI2ZmE2L3RhYmxlcmFuZ2U6NjNhM2Q5MjA5ODczNDlhZDgxZWUwNDI3NTEyMjZmYTZfMTMtMS0xLTEtMTQx_ec31021f-8f71-4186-b54e-356080fa9dbe"
      unitRef="usd">169702000</ngs:RentalEquipmentNet>
    <ngs:RentalEquipmentNet
      contextRef="ic4d3c0da31dc4a6d9e6a956840d0f98c_I20171231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl83MC9mcmFnOjE3YzcyN2MzZmQyYTRmZjg4ZDZmNzkyN2Q5Nzg5YWMzL3RhYmxlOjYzYTNkOTIwOTg3MzQ5YWQ4MWVlMDQyNzUxMjI2ZmE2L3RhYmxlcmFuZ2U6NjNhM2Q5MjA5ODczNDlhZDgxZWUwNDI3NTEyMjZmYTZfMTMtMy0xLTEtMTQx_5adefc52-2229-4b6a-8652-7c3b98eeab9a"
      unitRef="usd">167099000</ngs:RentalEquipmentNet>
    <us-gaap:PropertyPlantAndEquipmentOtherNet
      contextRef="i4a0749d860044c61bf1ca42bfa4d1200_I20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl83MC9mcmFnOjE3YzcyN2MzZmQyYTRmZjg4ZDZmNzkyN2Q5Nzg5YWMzL3RhYmxlOjYzYTNkOTIwOTg3MzQ5YWQ4MWVlMDQyNzUxMjI2ZmE2L3RhYmxlcmFuZ2U6NjNhM2Q5MjA5ODczNDlhZDgxZWUwNDI3NTEyMjZmYTZfMTQtMS0xLTEtMTQx_57b98d15-c1bb-48c9-a087-33724187ff4d"
      unitRef="usd">11076000</us-gaap:PropertyPlantAndEquipmentOtherNet>
    <us-gaap:PropertyPlantAndEquipmentOtherNet
      contextRef="ic4d3c0da31dc4a6d9e6a956840d0f98c_I20171231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl83MC9mcmFnOjE3YzcyN2MzZmQyYTRmZjg4ZDZmNzkyN2Q5Nzg5YWMzL3RhYmxlOjYzYTNkOTIwOTg3MzQ5YWQ4MWVlMDQyNzUxMjI2ZmE2L3RhYmxlcmFuZ2U6NjNhM2Q5MjA5ODczNDlhZDgxZWUwNDI3NTEyMjZmYTZfMTQtMy0xLTEtMTQx_32fa5f78-2c23-43af-825c-9b2e01b92b55"
      unitRef="usd">7652000</us-gaap:PropertyPlantAndEquipmentOtherNet>
    <us-gaap:Goodwill
      contextRef="i4a0749d860044c61bf1ca42bfa4d1200_I20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl83MC9mcmFnOjE3YzcyN2MzZmQyYTRmZjg4ZDZmNzkyN2Q5Nzg5YWMzL3RhYmxlOjYzYTNkOTIwOTg3MzQ5YWQ4MWVlMDQyNzUxMjI2ZmE2L3RhYmxlcmFuZ2U6NjNhM2Q5MjA5ODczNDlhZDgxZWUwNDI3NTEyMjZmYTZfMTUtMS0xLTEtMTQx_e2b9bad6-a980-46e8-b29c-64005cc2539f"
      unitRef="usd">10039000</us-gaap:Goodwill>
    <us-gaap:Goodwill
      contextRef="ic4d3c0da31dc4a6d9e6a956840d0f98c_I20171231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl83MC9mcmFnOjE3YzcyN2MzZmQyYTRmZjg4ZDZmNzkyN2Q5Nzg5YWMzL3RhYmxlOjYzYTNkOTIwOTg3MzQ5YWQ4MWVlMDQyNzUxMjI2ZmE2L3RhYmxlcmFuZ2U6NjNhM2Q5MjA5ODczNDlhZDgxZWUwNDI3NTEyMjZmYTZfMTUtMy0xLTEtMTQx_439bb503-b8aa-4eeb-a2c0-68fef590bfba"
      unitRef="usd">10039000</us-gaap:Goodwill>
    <us-gaap:IntangibleAssetsNetExcludingGoodwill
      contextRef="i4a0749d860044c61bf1ca42bfa4d1200_I20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl83MC9mcmFnOjE3YzcyN2MzZmQyYTRmZjg4ZDZmNzkyN2Q5Nzg5YWMzL3RhYmxlOjYzYTNkOTIwOTg3MzQ5YWQ4MWVlMDQyNzUxMjI2ZmE2L3RhYmxlcmFuZ2U6NjNhM2Q5MjA5ODczNDlhZDgxZWUwNDI3NTEyMjZmYTZfMTYtMS0xLTEtMTQx_7606c842-3ed6-4456-a19a-85e2793108c8"
      unitRef="usd">1464000</us-gaap:IntangibleAssetsNetExcludingGoodwill>
    <us-gaap:IntangibleAssetsNetExcludingGoodwill
      contextRef="ic4d3c0da31dc4a6d9e6a956840d0f98c_I20171231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl83MC9mcmFnOjE3YzcyN2MzZmQyYTRmZjg4ZDZmNzkyN2Q5Nzg5YWMzL3RhYmxlOjYzYTNkOTIwOTg3MzQ5YWQ4MWVlMDQyNzUxMjI2ZmE2L3RhYmxlcmFuZ2U6NjNhM2Q5MjA5ODczNDlhZDgxZWUwNDI3NTEyMjZmYTZfMTYtMy0xLTEtMTQx_c77ae6cc-e994-49a5-bfba-ec61f0be08db"
      unitRef="usd">1526000</us-gaap:IntangibleAssetsNetExcludingGoodwill>
    <us-gaap:OtherAssetsNoncurrent
      contextRef="i4a0749d860044c61bf1ca42bfa4d1200_I20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl83MC9mcmFnOjE3YzcyN2MzZmQyYTRmZjg4ZDZmNzkyN2Q5Nzg5YWMzL3RhYmxlOjYzYTNkOTIwOTg3MzQ5YWQ4MWVlMDQyNzUxMjI2ZmE2L3RhYmxlcmFuZ2U6NjNhM2Q5MjA5ODczNDlhZDgxZWUwNDI3NTEyMjZmYTZfMTgtMS0xLTEtMTQx_6ebb17c1-b24d-4494-88f4-c0682a6d94b8"
      unitRef="usd">1118000</us-gaap:OtherAssetsNoncurrent>
    <us-gaap:OtherAssetsNoncurrent
      contextRef="ic4d3c0da31dc4a6d9e6a956840d0f98c_I20171231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl83MC9mcmFnOjE3YzcyN2MzZmQyYTRmZjg4ZDZmNzkyN2Q5Nzg5YWMzL3RhYmxlOjYzYTNkOTIwOTg3MzQ5YWQ4MWVlMDQyNzUxMjI2ZmE2L3RhYmxlcmFuZ2U6NjNhM2Q5MjA5ODczNDlhZDgxZWUwNDI3NTEyMjZmYTZfMTgtMy0xLTEtMTQx_67b04c9d-81d9-438b-a47e-29c9ad8d06da"
      unitRef="usd">939000</us-gaap:OtherAssetsNoncurrent>
    <us-gaap:Assets
      contextRef="i4a0749d860044c61bf1ca42bfa4d1200_I20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl83MC9mcmFnOjE3YzcyN2MzZmQyYTRmZjg4ZDZmNzkyN2Q5Nzg5YWMzL3RhYmxlOjYzYTNkOTIwOTg3MzQ5YWQ4MWVlMDQyNzUxMjI2ZmE2L3RhYmxlcmFuZ2U6NjNhM2Q5MjA5ODczNDlhZDgxZWUwNDI3NTEyMjZmYTZfMTktMS0xLTEtMTQx_6efe3efb-9cf4-45fb-a1b2-a1cf31f9c4c4"
      unitRef="usd">295712000</us-gaap:Assets>
    <us-gaap:Assets
      contextRef="ic4d3c0da31dc4a6d9e6a956840d0f98c_I20171231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl83MC9mcmFnOjE3YzcyN2MzZmQyYTRmZjg4ZDZmNzkyN2Q5Nzg5YWMzL3RhYmxlOjYzYTNkOTIwOTg3MzQ5YWQ4MWVlMDQyNzUxMjI2ZmE2L3RhYmxlcmFuZ2U6NjNhM2Q5MjA5ODczNDlhZDgxZWUwNDI3NTEyMjZmYTZfMTktMy0xLTEtMTQx_a051cea9-c92a-4f21-833f-10f7405e157a"
      unitRef="usd">298310000</us-gaap:Assets>
    <us-gaap:AccountsPayableCurrent
      contextRef="i4a0749d860044c61bf1ca42bfa4d1200_I20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl83MC9mcmFnOjE3YzcyN2MzZmQyYTRmZjg4ZDZmNzkyN2Q5Nzg5YWMzL3RhYmxlOjYzYTNkOTIwOTg3MzQ5YWQ4MWVlMDQyNzUxMjI2ZmE2L3RhYmxlcmFuZ2U6NjNhM2Q5MjA5ODczNDlhZDgxZWUwNDI3NTEyMjZmYTZfMjMtMS0xLTEtNzYw_8f9f1e03-a62c-4914-9b8b-7713897e40ef"
      unitRef="usd">801000</us-gaap:AccountsPayableCurrent>
    <us-gaap:AccountsPayableCurrent
      contextRef="ic4d3c0da31dc4a6d9e6a956840d0f98c_I20171231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl83MC9mcmFnOjE3YzcyN2MzZmQyYTRmZjg4ZDZmNzkyN2Q5Nzg5YWMzL3RhYmxlOjYzYTNkOTIwOTg3MzQ5YWQ4MWVlMDQyNzUxMjI2ZmE2L3RhYmxlcmFuZ2U6NjNhM2Q5MjA5ODczNDlhZDgxZWUwNDI3NTEyMjZmYTZfMjMtMy0xLTEtNzYz_279549fc-1cc5-43c8-8d02-607230d93d9a"
      unitRef="usd">4162000</us-gaap:AccountsPayableCurrent>
    <us-gaap:AccruedLiabilitiesCurrent
      contextRef="i4a0749d860044c61bf1ca42bfa4d1200_I20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl83MC9mcmFnOjE3YzcyN2MzZmQyYTRmZjg4ZDZmNzkyN2Q5Nzg5YWMzL3RhYmxlOjYzYTNkOTIwOTg3MzQ5YWQ4MWVlMDQyNzUxMjI2ZmE2L3RhYmxlcmFuZ2U6NjNhM2Q5MjA5ODczNDlhZDgxZWUwNDI3NTEyMjZmYTZfMjQtMS0xLTEtNzYw_d7ba1baf-388c-4164-9415-8f7b9c07fa9f"
      unitRef="usd">2140000</us-gaap:AccruedLiabilitiesCurrent>
    <us-gaap:AccruedLiabilitiesCurrent
      contextRef="ic4d3c0da31dc4a6d9e6a956840d0f98c_I20171231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl83MC9mcmFnOjE3YzcyN2MzZmQyYTRmZjg4ZDZmNzkyN2Q5Nzg5YWMzL3RhYmxlOjYzYTNkOTIwOTg3MzQ5YWQ4MWVlMDQyNzUxMjI2ZmE2L3RhYmxlcmFuZ2U6NjNhM2Q5MjA5ODczNDlhZDgxZWUwNDI3NTEyMjZmYTZfMjQtMy0xLTEtNzYz_b1834ed2-a52b-4e4f-a8d3-2d18251f0d54"
      unitRef="usd">3106000</us-gaap:AccruedLiabilitiesCurrent>
    <us-gaap:ContractWithCustomerLiabilityCurrent
      contextRef="i4a0749d860044c61bf1ca42bfa4d1200_I20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl83MC9mcmFnOjE3YzcyN2MzZmQyYTRmZjg4ZDZmNzkyN2Q5Nzg5YWMzL3RhYmxlOjYzYTNkOTIwOTg3MzQ5YWQ4MWVlMDQyNzUxMjI2ZmE2L3RhYmxlcmFuZ2U6NjNhM2Q5MjA5ODczNDlhZDgxZWUwNDI3NTEyMjZmYTZfMjYtMS0xLTEtNzcy_027f9b23-7a79-4cab-beca-1ba9585853ce"
      unitRef="usd">487000</us-gaap:ContractWithCustomerLiabilityCurrent>
    <us-gaap:ContractWithCustomerLiabilityCurrent
      contextRef="ic4d3c0da31dc4a6d9e6a956840d0f98c_I20171231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl83MC9mcmFnOjE3YzcyN2MzZmQyYTRmZjg4ZDZmNzkyN2Q5Nzg5YWMzL3RhYmxlOjYzYTNkOTIwOTg3MzQ5YWQ4MWVlMDQyNzUxMjI2ZmE2L3RhYmxlcmFuZ2U6NjNhM2Q5MjA5ODczNDlhZDgxZWUwNDI3NTEyMjZmYTZfMjYtMy0xLTEtNzc1_02679a05-05c6-49ef-95fe-4a99b4573a58"
      unitRef="usd">185000</us-gaap:ContractWithCustomerLiabilityCurrent>
    <us-gaap:LiabilitiesCurrent
      contextRef="i4a0749d860044c61bf1ca42bfa4d1200_I20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl83MC9mcmFnOjE3YzcyN2MzZmQyYTRmZjg4ZDZmNzkyN2Q5Nzg5YWMzL3RhYmxlOjYzYTNkOTIwOTg3MzQ5YWQ4MWVlMDQyNzUxMjI2ZmE2L3RhYmxlcmFuZ2U6NjNhM2Q5MjA5ODczNDlhZDgxZWUwNDI3NTEyMjZmYTZfMjctMS0xLTEtNzcy_6f80783f-b2de-405d-a32b-42caafbcbf80"
      unitRef="usd">3428000</us-gaap:LiabilitiesCurrent>
    <us-gaap:LiabilitiesCurrent
      contextRef="ic4d3c0da31dc4a6d9e6a956840d0f98c_I20171231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl83MC9mcmFnOjE3YzcyN2MzZmQyYTRmZjg4ZDZmNzkyN2Q5Nzg5YWMzL3RhYmxlOjYzYTNkOTIwOTg3MzQ5YWQ4MWVlMDQyNzUxMjI2ZmE2L3RhYmxlcmFuZ2U6NjNhM2Q5MjA5ODczNDlhZDgxZWUwNDI3NTEyMjZmYTZfMjctMy0xLTEtNzc1_02ab031e-8c13-4c23-b6a6-c09f62135e4e"
      unitRef="usd">7453000</us-gaap:LiabilitiesCurrent>
    <us-gaap:LongTermLineOfCredit
      contextRef="i4a0749d860044c61bf1ca42bfa4d1200_I20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl83MC9mcmFnOjE3YzcyN2MzZmQyYTRmZjg4ZDZmNzkyN2Q5Nzg5YWMzL3RhYmxlOjYzYTNkOTIwOTg3MzQ5YWQ4MWVlMDQyNzUxMjI2ZmE2L3RhYmxlcmFuZ2U6NjNhM2Q5MjA5ODczNDlhZDgxZWUwNDI3NTEyMjZmYTZfMjgtMS0xLTEtNzcy_05e39462-296e-45bf-85fc-66bd4aea53f1"
      unitRef="usd">417000</us-gaap:LongTermLineOfCredit>
    <us-gaap:LongTermLineOfCredit
      contextRef="ic4d3c0da31dc4a6d9e6a956840d0f98c_I20171231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl83MC9mcmFnOjE3YzcyN2MzZmQyYTRmZjg4ZDZmNzkyN2Q5Nzg5YWMzL3RhYmxlOjYzYTNkOTIwOTg3MzQ5YWQ4MWVlMDQyNzUxMjI2ZmE2L3RhYmxlcmFuZ2U6NjNhM2Q5MjA5ODczNDlhZDgxZWUwNDI3NTEyMjZmYTZfMjgtMy0xLTEtNzc1_37260985-64e0-458e-8e4f-f66cf4889faf"
      unitRef="usd">417000</us-gaap:LongTermLineOfCredit>
    <us-gaap:DeferredIncomeTaxLiabilitiesNet
      contextRef="i4a0749d860044c61bf1ca42bfa4d1200_I20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl83MC9mcmFnOjE3YzcyN2MzZmQyYTRmZjg4ZDZmNzkyN2Q5Nzg5YWMzL3RhYmxlOjYzYTNkOTIwOTg3MzQ5YWQ4MWVlMDQyNzUxMjI2ZmE2L3RhYmxlcmFuZ2U6NjNhM2Q5MjA5ODczNDlhZDgxZWUwNDI3NTEyMjZmYTZfMjktMS0xLTEtNzcy_9210e281-7af6-4d52-aeb2-80447b574a5a"
      unitRef="usd">32333000</us-gaap:DeferredIncomeTaxLiabilitiesNet>
    <us-gaap:DeferredIncomeTaxLiabilitiesNet
      contextRef="ic4d3c0da31dc4a6d9e6a956840d0f98c_I20171231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl83MC9mcmFnOjE3YzcyN2MzZmQyYTRmZjg4ZDZmNzkyN2Q5Nzg5YWMzL3RhYmxlOjYzYTNkOTIwOTg3MzQ5YWQ4MWVlMDQyNzUxMjI2ZmE2L3RhYmxlcmFuZ2U6NjNhM2Q5MjA5ODczNDlhZDgxZWUwNDI3NTEyMjZmYTZfMjktMy0xLTEtNzc1_3fef4d26-2d74-4fb0-a738-917744e14b3e"
      unitRef="usd">32163000</us-gaap:DeferredIncomeTaxLiabilitiesNet>
    <us-gaap:OtherLiabilitiesNoncurrent
      contextRef="i4a0749d860044c61bf1ca42bfa4d1200_I20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl83MC9mcmFnOjE3YzcyN2MzZmQyYTRmZjg4ZDZmNzkyN2Q5Nzg5YWMzL3RhYmxlOjYzYTNkOTIwOTg3MzQ5YWQ4MWVlMDQyNzUxMjI2ZmE2L3RhYmxlcmFuZ2U6NjNhM2Q5MjA5ODczNDlhZDgxZWUwNDI3NTEyMjZmYTZfMzEtMS0xLTEtNzg0_dcd02c4e-72bd-4b73-abb6-8f881ceb51fc"
      unitRef="usd">1139000</us-gaap:OtherLiabilitiesNoncurrent>
    <us-gaap:OtherLiabilitiesNoncurrent
      contextRef="ic4d3c0da31dc4a6d9e6a956840d0f98c_I20171231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl83MC9mcmFnOjE3YzcyN2MzZmQyYTRmZjg4ZDZmNzkyN2Q5Nzg5YWMzL3RhYmxlOjYzYTNkOTIwOTg3MzQ5YWQ4MWVlMDQyNzUxMjI2ZmE2L3RhYmxlcmFuZ2U6NjNhM2Q5MjA5ODczNDlhZDgxZWUwNDI3NTEyMjZmYTZfMzEtMy0xLTEtNzg3_0cacee49-fd6a-4c72-a08d-c69b07e5060b"
      unitRef="usd">958000</us-gaap:OtherLiabilitiesNoncurrent>
    <us-gaap:Liabilities
      contextRef="i4a0749d860044c61bf1ca42bfa4d1200_I20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl83MC9mcmFnOjE3YzcyN2MzZmQyYTRmZjg4ZDZmNzkyN2Q5Nzg5YWMzL3RhYmxlOjYzYTNkOTIwOTg3MzQ5YWQ4MWVlMDQyNzUxMjI2ZmE2L3RhYmxlcmFuZ2U6NjNhM2Q5MjA5ODczNDlhZDgxZWUwNDI3NTEyMjZmYTZfMzItMS0xLTEtNzg0_add9addc-dd7c-4997-9ce6-586c42a0019d"
      unitRef="usd">37317000</us-gaap:Liabilities>
    <us-gaap:Liabilities
      contextRef="ic4d3c0da31dc4a6d9e6a956840d0f98c_I20171231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl83MC9mcmFnOjE3YzcyN2MzZmQyYTRmZjg4ZDZmNzkyN2Q5Nzg5YWMzL3RhYmxlOjYzYTNkOTIwOTg3MzQ5YWQ4MWVlMDQyNzUxMjI2ZmE2L3RhYmxlcmFuZ2U6NjNhM2Q5MjA5ODczNDlhZDgxZWUwNDI3NTEyMjZmYTZfMzItMy0xLTEtNzg3_e7048561-99a3-4470-9a2a-db6f6f1a276f"
      unitRef="usd">40991000</us-gaap:Liabilities>
    <us-gaap:CommitmentsAndContingencies
      contextRef="i4a0749d860044c61bf1ca42bfa4d1200_I20180630"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl83MC9mcmFnOjE3YzcyN2MzZmQyYTRmZjg4ZDZmNzkyN2Q5Nzg5YWMzL3RhYmxlOjYzYTNkOTIwOTg3MzQ5YWQ4MWVlMDQyNzUxMjI2ZmE2L3RhYmxlcmFuZ2U6NjNhM2Q5MjA5ODczNDlhZDgxZWUwNDI3NTEyMjZmYTZfMDNlYTlBQUFBSUFBQUFDQUFBQUFCQUFBQUFRQUFBQUFBQUF5QUFBQSUzRA_f0bc8315-2ad3-4184-8937-81e7620493e8"
      unitRef="usd"
      xsi:nil="true"/>
    <us-gaap:CommitmentsAndContingencies
      contextRef="ic4d3c0da31dc4a6d9e6a956840d0f98c_I20171231"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl83MC9mcmFnOjE3YzcyN2MzZmQyYTRmZjg4ZDZmNzkyN2Q5Nzg5YWMzL3RhYmxlOjYzYTNkOTIwOTg3MzQ5YWQ4MWVlMDQyNzUxMjI2ZmE2L3RhYmxlcmFuZ2U6NjNhM2Q5MjA5ODczNDlhZDgxZWUwNDI3NTEyMjZmYTZfMDNlYTVBQUFBSUFBQUFDQUFBQUFEQUFBQUF3QUFBQUFBQUF5Q0FBQSUzRA_fea15243-2327-4851-82d3-dbbfead0100f"
      unitRef="usd"
      xsi:nil="true"/>
    <us-gaap:PreferredStockValue
      contextRef="i4a0749d860044c61bf1ca42bfa4d1200_I20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl83MC9mcmFnOjE3YzcyN2MzZmQyYTRmZjg4ZDZmNzkyN2Q5Nzg5YWMzL3RhYmxlOjYzYTNkOTIwOTg3MzQ5YWQ4MWVlMDQyNzUxMjI2ZmE2L3RhYmxlcmFuZ2U6NjNhM2Q5MjA5ODczNDlhZDgxZWUwNDI3NTEyMjZmYTZfMzUtMS0xLTEtNzkw_0895a861-5e96-4524-a396-e3ca08688e36"
      unitRef="usd">0</us-gaap:PreferredStockValue>
    <us-gaap:PreferredStockValue
      contextRef="ic4d3c0da31dc4a6d9e6a956840d0f98c_I20171231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl83MC9mcmFnOjE3YzcyN2MzZmQyYTRmZjg4ZDZmNzkyN2Q5Nzg5YWMzL3RhYmxlOjYzYTNkOTIwOTg3MzQ5YWQ4MWVlMDQyNzUxMjI2ZmE2L3RhYmxlcmFuZ2U6NjNhM2Q5MjA5ODczNDlhZDgxZWUwNDI3NTEyMjZmYTZfMzUtMy0xLTEtNzkz_c3d5d91f-5284-4b2b-bd5a-ba54f671f4b9"
      unitRef="usd">0</us-gaap:PreferredStockValue>
    <us-gaap:CommonStockValue
      contextRef="i4a0749d860044c61bf1ca42bfa4d1200_I20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl83MC9mcmFnOjE3YzcyN2MzZmQyYTRmZjg4ZDZmNzkyN2Q5Nzg5YWMzL3RhYmxlOjYzYTNkOTIwOTg3MzQ5YWQ4MWVlMDQyNzUxMjI2ZmE2L3RhYmxlcmFuZ2U6NjNhM2Q5MjA5ODczNDlhZDgxZWUwNDI3NTEyMjZmYTZfMzYtMS0xLTEtNzkw_de1e8ec1-aa72-40ae-9c0e-571b5a42832c"
      unitRef="usd">130000</us-gaap:CommonStockValue>
    <us-gaap:CommonStockValue
      contextRef="ic4d3c0da31dc4a6d9e6a956840d0f98c_I20171231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl83MC9mcmFnOjE3YzcyN2MzZmQyYTRmZjg4ZDZmNzkyN2Q5Nzg5YWMzL3RhYmxlOjYzYTNkOTIwOTg3MzQ5YWQ4MWVlMDQyNzUxMjI2ZmE2L3RhYmxlcmFuZ2U6NjNhM2Q5MjA5ODczNDlhZDgxZWUwNDI3NTEyMjZmYTZfMzYtMy0xLTEtNzkz_2af2ed81-f154-4fbc-b0ca-75ef15b81bbd"
      unitRef="usd">129000</us-gaap:CommonStockValue>
    <us-gaap:AdditionalPaidInCapitalCommonStock
      contextRef="i4a0749d860044c61bf1ca42bfa4d1200_I20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl83MC9mcmFnOjE3YzcyN2MzZmQyYTRmZjg4ZDZmNzkyN2Q5Nzg5YWMzL3RhYmxlOjYzYTNkOTIwOTg3MzQ5YWQ4MWVlMDQyNzUxMjI2ZmE2L3RhYmxlcmFuZ2U6NjNhM2Q5MjA5ODczNDlhZDgxZWUwNDI3NTEyMjZmYTZfMzctMS0xLTEtNzkw_6c622b67-e7fe-47cc-afd6-210a48e8974a"
      unitRef="usd">105928000</us-gaap:AdditionalPaidInCapitalCommonStock>
    <us-gaap:AdditionalPaidInCapitalCommonStock
      contextRef="ic4d3c0da31dc4a6d9e6a956840d0f98c_I20171231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl83MC9mcmFnOjE3YzcyN2MzZmQyYTRmZjg4ZDZmNzkyN2Q5Nzg5YWMzL3RhYmxlOjYzYTNkOTIwOTg3MzQ5YWQ4MWVlMDQyNzUxMjI2ZmE2L3RhYmxlcmFuZ2U6NjNhM2Q5MjA5ODczNDlhZDgxZWUwNDI3NTEyMjZmYTZfMzctMy0xLTEtNzkz_4df88504-de78-4d2c-8a00-38721c32176f"
      unitRef="usd">105325000</us-gaap:AdditionalPaidInCapitalCommonStock>
    <us-gaap:RetainedEarningsAccumulatedDeficit
      contextRef="i4a0749d860044c61bf1ca42bfa4d1200_I20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl83MC9mcmFnOjE3YzcyN2MzZmQyYTRmZjg4ZDZmNzkyN2Q5Nzg5YWMzL3RhYmxlOjYzYTNkOTIwOTg3MzQ5YWQ4MWVlMDQyNzUxMjI2ZmE2L3RhYmxlcmFuZ2U6NjNhM2Q5MjA5ODczNDlhZDgxZWUwNDI3NTEyMjZmYTZfMzgtMS0xLTEtNzkw_964e4a84-a437-4079-899a-13b9e55e6ac0"
      unitRef="usd">152337000</us-gaap:RetainedEarningsAccumulatedDeficit>
    <us-gaap:RetainedEarningsAccumulatedDeficit
      contextRef="ic4d3c0da31dc4a6d9e6a956840d0f98c_I20171231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl83MC9mcmFnOjE3YzcyN2MzZmQyYTRmZjg4ZDZmNzkyN2Q5Nzg5YWMzL3RhYmxlOjYzYTNkOTIwOTg3MzQ5YWQ4MWVlMDQyNzUxMjI2ZmE2L3RhYmxlcmFuZ2U6NjNhM2Q5MjA5ODczNDlhZDgxZWUwNDI3NTEyMjZmYTZfMzgtMy0xLTEtNzkz_3cc690ee-9638-4790-b8c8-4998f3427186"
      unitRef="usd">151865000</us-gaap:RetainedEarningsAccumulatedDeficit>
    <us-gaap:StockholdersEquity
      contextRef="i4a0749d860044c61bf1ca42bfa4d1200_I20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl83MC9mcmFnOjE3YzcyN2MzZmQyYTRmZjg4ZDZmNzkyN2Q5Nzg5YWMzL3RhYmxlOjYzYTNkOTIwOTg3MzQ5YWQ4MWVlMDQyNzUxMjI2ZmE2L3RhYmxlcmFuZ2U6NjNhM2Q5MjA5ODczNDlhZDgxZWUwNDI3NTEyMjZmYTZfNDEtMS0xLTEtODA4_275d7e3b-61a8-424b-a7b8-dacf78e055ff"
      unitRef="usd">258395000</us-gaap:StockholdersEquity>
    <us-gaap:StockholdersEquity
      contextRef="ic4d3c0da31dc4a6d9e6a956840d0f98c_I20171231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl83MC9mcmFnOjE3YzcyN2MzZmQyYTRmZjg4ZDZmNzkyN2Q5Nzg5YWMzL3RhYmxlOjYzYTNkOTIwOTg3MzQ5YWQ4MWVlMDQyNzUxMjI2ZmE2L3RhYmxlcmFuZ2U6NjNhM2Q5MjA5ODczNDlhZDgxZWUwNDI3NTEyMjZmYTZfNDEtMy0xLTEtODEx_e7793740-5aeb-477e-b276-8aebd032e136"
      unitRef="usd">257319000</us-gaap:StockholdersEquity>
    <us-gaap:LiabilitiesAndStockholdersEquity
      contextRef="i4a0749d860044c61bf1ca42bfa4d1200_I20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl83MC9mcmFnOjE3YzcyN2MzZmQyYTRmZjg4ZDZmNzkyN2Q5Nzg5YWMzL3RhYmxlOjYzYTNkOTIwOTg3MzQ5YWQ4MWVlMDQyNzUxMjI2ZmE2L3RhYmxlcmFuZ2U6NjNhM2Q5MjA5ODczNDlhZDgxZWUwNDI3NTEyMjZmYTZfNDItMS0xLTEtODE0_46d6ca6d-3f67-4f0e-97ee-21df0393c452"
      unitRef="usd">295712000</us-gaap:LiabilitiesAndStockholdersEquity>
    <us-gaap:LiabilitiesAndStockholdersEquity
      contextRef="ic4d3c0da31dc4a6d9e6a956840d0f98c_I20171231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl83MC9mcmFnOjE3YzcyN2MzZmQyYTRmZjg4ZDZmNzkyN2Q5Nzg5YWMzL3RhYmxlOjYzYTNkOTIwOTg3MzQ5YWQ4MWVlMDQyNzUxMjI2ZmE2L3RhYmxlcmFuZ2U6NjNhM2Q5MjA5ODczNDlhZDgxZWUwNDI3NTEyMjZmYTZfNDItMy0xLTEtODE3_50308395-1f47-4b20-9f54-3d8b725e8c97"
      unitRef="usd">298310000</us-gaap:LiabilitiesAndStockholdersEquity>
    <us-gaap:Revenues
      contextRef="i9233ec8328ea4b0a99565d735d384d4e_D20180401-20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfNi0xLTEtMS01MDU_5cc3aa28-99fb-4412-8df0-e050f519a7e1"
      unitRef="usd">11427000</us-gaap:Revenues>
    <us-gaap:Revenues
      contextRef="ieaf988f1c6f048e1963fca6b1c19ea41_D20170401-20170630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfNi0zLTEtMS01MTk_c418c318-9feb-42fe-84e2-e727fb48ad65"
      unitRef="usd">11420000</us-gaap:Revenues>
    <us-gaap:Revenues
      contextRef="iec3930dca82d483abc7e8533620171ab_D20180101-20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfNi01LTEtMS0zOTk2_7fdd8dc7-3ede-4b86-adf8-9c70967e86e5"
      unitRef="usd">22898000</us-gaap:Revenues>
    <us-gaap:Revenues
      contextRef="idf9e1e6d34464276a9572275cc9988b6_D20170101-20170630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfNi03LTEtMS0zNzM4_18e0ffa1-c3d1-46f2-88ed-95516d47a4ef"
      unitRef="usd">23342000</us-gaap:Revenues>
    <us-gaap:Revenues
      contextRef="i64be9c23b5b340638d48fa11e2539c56_D20180401-20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfNy0xLTEtMS01MDU_5c8c1432-aaa8-4c0a-9910-c4deed576d06"
      unitRef="usd">6383000</us-gaap:Revenues>
    <us-gaap:Revenues
      contextRef="i44d520893d5c4923b45f21891608d9d7_D20170401-20170630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfNy0zLTEtMS01MTk_5b944aa7-ad26-4891-a19a-ad652ce428e8"
      unitRef="usd">4407000</us-gaap:Revenues>
    <us-gaap:Revenues
      contextRef="ic66315dd49994cd1806b8effe1fa1a92_D20180101-20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfNy01LTEtMS0zOTk2_893ea13e-6f78-493e-94ca-c20ac1231d50"
      unitRef="usd">9381000</us-gaap:Revenues>
    <us-gaap:Revenues
      contextRef="if222bbc2738b4334a73bc9da895564d1_D20170101-20170630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfNy03LTEtMS0zNzM4_b355c79e-2d81-43ae-a598-260734f70003"
      unitRef="usd">11044000</us-gaap:Revenues>
    <us-gaap:Revenues
      contextRef="i8dd14a6624eb4309a15ccb85a55a83a5_D20180401-20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfOS0xLTEtMS01MDg_7a23079f-9452-4d7f-a908-737e74e2a17e"
      unitRef="usd">394000</us-gaap:Revenues>
    <us-gaap:Revenues
      contextRef="i1b1e2c6c5cb14ddf8221ae4d34792446_D20170401-20170630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfOS0zLTEtMS01MjI_2c34eeb4-be65-45d1-a6b8-61a61ecea6ed"
      unitRef="usd">391000</us-gaap:Revenues>
    <us-gaap:Revenues
      contextRef="ic4326a21d1654a30a9790fded0c1907d_D20180101-20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfOC01LTEtMS0zOTk2_506d9f71-0a04-4abf-98ee-b08b9e3cb89c"
      unitRef="usd">643000</us-gaap:Revenues>
    <us-gaap:Revenues
      contextRef="i5622e7a47c5647598f4a7f5c6491fcf5_D20170101-20170630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfOC03LTEtMS0zNzM4_00422c8e-5dab-49a1-bc81-0eae2bea1b34"
      unitRef="usd">734000</us-gaap:Revenues>
    <us-gaap:Revenues
      contextRef="i486ae96497a44bee87d62f2f3d814d35_D20180401-20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfMTAtMS0xLTEtNTA4_fdc55c34-b564-47d1-adcf-58d00b9a43cf"
      unitRef="usd">18204000</us-gaap:Revenues>
    <us-gaap:Revenues
      contextRef="i201ed1d2fdd042c0bd171af3de0e4482_D20170401-20170630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfMTAtMy0xLTEtNTIy_cbfd1466-da40-4734-876c-525262d59101"
      unitRef="usd">16218000</us-gaap:Revenues>
    <us-gaap:Revenues
      contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfOS01LTEtMS0zOTk2_c27023ef-8096-4b1d-bd19-a750c76a74c1"
      unitRef="usd">32922000</us-gaap:Revenues>
    <us-gaap:Revenues
      contextRef="iae1008ff6a854658ab77be281aab8a0c_D20170101-20170630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfOS03LTEtMS0zNzM4_8f3f4943-07af-4be8-a1c3-c9cca149fcbe"
      unitRef="usd">35120000</us-gaap:Revenues>
    <us-gaap:DirectCostsOfLeasedAndRentedPropertyOrEquipment
      contextRef="i486ae96497a44bee87d62f2f3d814d35_D20180401-20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfMTItMS0xLTEtNTI1_c107a16f-29ef-4bd1-9e26-dd057ad931c2"
      unitRef="usd">5195000</us-gaap:DirectCostsOfLeasedAndRentedPropertyOrEquipment>
    <us-gaap:DirectCostsOfLeasedAndRentedPropertyOrEquipment
      contextRef="i201ed1d2fdd042c0bd171af3de0e4482_D20170401-20170630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfMTItMy0xLTEtNTM0_24e6eeb6-fd38-4c85-b4d8-031f6c6db2eb"
      unitRef="usd">4255000</us-gaap:DirectCostsOfLeasedAndRentedPropertyOrEquipment>
    <us-gaap:DirectCostsOfLeasedAndRentedPropertyOrEquipment
      contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfMTEtNS0xLTEtMzk5Ng_baee6a8d-61ad-4128-97db-39101e54a904"
      unitRef="usd">9899000</us-gaap:DirectCostsOfLeasedAndRentedPropertyOrEquipment>
    <us-gaap:DirectCostsOfLeasedAndRentedPropertyOrEquipment
      contextRef="iae1008ff6a854658ab77be281aab8a0c_D20170101-20170630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfMTEtNy0xLTEtMzczOA_387defc9-6155-45d7-a60c-16388ba23fa7"
      unitRef="usd">8923000</us-gaap:DirectCostsOfLeasedAndRentedPropertyOrEquipment>
    <us-gaap:OtherCostOfOperatingRevenue
      contextRef="i486ae96497a44bee87d62f2f3d814d35_D20180401-20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfMTMtMS0xLTEtNTI4_5543941d-9c6a-4247-b5da-19ccb62084a1"
      unitRef="usd">4924000</us-gaap:OtherCostOfOperatingRevenue>
    <us-gaap:OtherCostOfOperatingRevenue
      contextRef="i201ed1d2fdd042c0bd171af3de0e4482_D20170401-20170630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfMTMtMy0xLTEtNTMx_d97ced6c-bd06-443b-9550-1234b9493b1b"
      unitRef="usd">3745000</us-gaap:OtherCostOfOperatingRevenue>
    <us-gaap:OtherCostOfOperatingRevenue
      contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfMTItNS0xLTEtMzk5Ng_6e0663e8-bb92-45ce-b9e3-b73f5336928a"
      unitRef="usd">7115000</us-gaap:OtherCostOfOperatingRevenue>
    <us-gaap:OtherCostOfOperatingRevenue
      contextRef="iae1008ff6a854658ab77be281aab8a0c_D20170101-20170630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfMTItNy0xLTEtMzc1NA_0257a725-c524-475b-a90e-0f47a22de42a"
      unitRef="usd">9168000</us-gaap:OtherCostOfOperatingRevenue>
    <us-gaap:OtherCostOfServices
      contextRef="i486ae96497a44bee87d62f2f3d814d35_D20180401-20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfMTUtMS0xLTEtNTM5_048f372f-9065-463f-8da1-1a53e0776185"
      unitRef="usd">101000</us-gaap:OtherCostOfServices>
    <us-gaap:OtherCostOfServices
      contextRef="i201ed1d2fdd042c0bd171af3de0e4482_D20170401-20170630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfMTUtMy0xLTEtNTQy_2dfc3bde-77f2-413c-95ec-4433f6fdce5f"
      unitRef="usd">104000</us-gaap:OtherCostOfServices>
    <us-gaap:OtherCostOfServices
      contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfMTMtNS0xLTEtMzk5Ng_3cd7e105-6fac-42c3-9ccd-cd408e2994f1"
      unitRef="usd">166000</us-gaap:OtherCostOfServices>
    <us-gaap:OtherCostOfServices
      contextRef="iae1008ff6a854658ab77be281aab8a0c_D20170101-20170630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfMTMtNy0xLTEtMzc2MQ_beca4174-1146-42f9-8351-cd82b43c0a51"
      unitRef="usd">198000</us-gaap:OtherCostOfServices>
    <us-gaap:SellingGeneralAndAdministrativeExpense
      contextRef="i486ae96497a44bee87d62f2f3d814d35_D20180401-20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfMTctMS0xLTEtNTQ3_c7ebb3fe-bd9a-49a7-8ec1-a334c29c1097"
      unitRef="usd">2309000</us-gaap:SellingGeneralAndAdministrativeExpense>
    <us-gaap:SellingGeneralAndAdministrativeExpense
      contextRef="i201ed1d2fdd042c0bd171af3de0e4482_D20170401-20170630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfMTctMy0xLTEtNTUw_f1c70c44-a0ee-43ab-b438-a0f57a2ec574"
      unitRef="usd">2390000</us-gaap:SellingGeneralAndAdministrativeExpense>
    <us-gaap:SellingGeneralAndAdministrativeExpense
      contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfMTUtNS0xLTEtMzk5Ng_92d18d3f-a1ed-40ff-b9a8-6657229ba467"
      unitRef="usd">4330000</us-gaap:SellingGeneralAndAdministrativeExpense>
    <us-gaap:SellingGeneralAndAdministrativeExpense
      contextRef="iae1008ff6a854658ab77be281aab8a0c_D20170101-20170630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfMTUtNy0xLTEtMzc2MQ_7047d911-913f-4183-a344-fbbd4cc82868"
      unitRef="usd">5436000</us-gaap:SellingGeneralAndAdministrativeExpense>
    <us-gaap:DepreciationDepletionAndAmortization
      contextRef="i486ae96497a44bee87d62f2f3d814d35_D20180401-20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfMTgtMS0xLTEtNTQ3_4381e8c5-46cf-4a7e-80cc-c5dad10b8117"
      unitRef="usd">5449000</us-gaap:DepreciationDepletionAndAmortization>
    <us-gaap:DepreciationDepletionAndAmortization
      contextRef="i201ed1d2fdd042c0bd171af3de0e4482_D20170401-20170630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfMTgtMy0xLTEtNTUw_c96200f0-6310-4b68-819e-81d4c18d8418"
      unitRef="usd">5310000</us-gaap:DepreciationDepletionAndAmortization>
    <us-gaap:DepreciationDepletionAndAmortization
      contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfMTYtNS0xLTEtMzk5Ng_990078e9-7081-4861-8b57-e22b08c03316"
      unitRef="usd">10836000</us-gaap:DepreciationDepletionAndAmortization>
    <us-gaap:DepreciationDepletionAndAmortization
      contextRef="iae1008ff6a854658ab77be281aab8a0c_D20170101-20170630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfMTYtNy0xLTEtMzc2MQ_b33ca881-804e-454e-8587-f76407809c0f"
      unitRef="usd">10638000</us-gaap:DepreciationDepletionAndAmortization>
    <us-gaap:CostsAndExpenses
      contextRef="i486ae96497a44bee87d62f2f3d814d35_D20180401-20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfMTktMS0xLTEtNTQ3_51b57b95-b099-47ee-8cb0-9ac7a58b77e0"
      unitRef="usd">17978000</us-gaap:CostsAndExpenses>
    <us-gaap:CostsAndExpenses
      contextRef="i201ed1d2fdd042c0bd171af3de0e4482_D20170401-20170630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfMTktMy0xLTEtNTUw_d5a1afd1-70ba-4f09-b636-1cc91d5be970"
      unitRef="usd">15804000</us-gaap:CostsAndExpenses>
    <us-gaap:CostsAndExpenses
      contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfMTctNS0xLTEtMzk5Ng_fc8c1172-749d-44b5-8962-d4ba4105ee04"
      unitRef="usd">32346000</us-gaap:CostsAndExpenses>
    <us-gaap:CostsAndExpenses
      contextRef="iae1008ff6a854658ab77be281aab8a0c_D20170101-20170630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfMTctNy0xLTEtMzc2MQ_a31420c4-4e00-49f9-8719-b147a40e7e10"
      unitRef="usd">34363000</us-gaap:CostsAndExpenses>
    <us-gaap:OperatingIncomeLoss
      contextRef="i486ae96497a44bee87d62f2f3d814d35_D20180401-20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfMjAtMS0xLTEtNTQ3_5a898490-e702-4f47-9b37-3bc92d0ce5a3"
      unitRef="usd">226000</us-gaap:OperatingIncomeLoss>
    <us-gaap:OperatingIncomeLoss
      contextRef="i201ed1d2fdd042c0bd171af3de0e4482_D20170401-20170630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfMjAtMy0xLTEtNTUw_21f02dc1-ddc9-4c08-8f02-7f6d6f4b3530"
      unitRef="usd">414000</us-gaap:OperatingIncomeLoss>
    <us-gaap:OperatingIncomeLoss
      contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfMTgtNS0xLTEtMzk5Ng_649aa788-55e8-445d-bd80-2c85d22d396c"
      unitRef="usd">576000</us-gaap:OperatingIncomeLoss>
    <us-gaap:OperatingIncomeLoss
      contextRef="iae1008ff6a854658ab77be281aab8a0c_D20170101-20170630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfMTgtNy0xLTEtMzc2MQ_e2bd0abb-0bef-41bb-bc97-70def6fe7926"
      unitRef="usd">757000</us-gaap:OperatingIncomeLoss>
    <us-gaap:InterestExpense
      contextRef="i486ae96497a44bee87d62f2f3d814d35_D20180401-20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfMjItMS0xLTEtNTUz_051cbb47-8b17-445f-bc11-218e56c630e9"
      unitRef="usd">3000</us-gaap:InterestExpense>
    <us-gaap:InterestExpense
      contextRef="i201ed1d2fdd042c0bd171af3de0e4482_D20170401-20170630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfMjItMy0xLTEtNTU2_cbefac59-04ae-4887-8353-b701ec9676cb"
      unitRef="usd">2000</us-gaap:InterestExpense>
    <us-gaap:InterestExpense
      contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfMjAtNS0xLTEtMzk5Ng_54f5b219-a26f-4746-abee-e6c81a68bab2"
      unitRef="usd">6000</us-gaap:InterestExpense>
    <us-gaap:InterestExpense
      contextRef="iae1008ff6a854658ab77be281aab8a0c_D20170101-20170630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfMjAtNy0xLTEtMzc2MQ_39cc3ddc-dbca-4056-aec7-28ff205309d5"
      unitRef="usd">4000</us-gaap:InterestExpense>
    <us-gaap:OtherNonoperatingIncomeExpense
      contextRef="i486ae96497a44bee87d62f2f3d814d35_D20180401-20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfMjMtMS0xLTEtNTUz_42394e5e-e0da-497a-b09a-0e303650066c"
      unitRef="usd">78000</us-gaap:OtherNonoperatingIncomeExpense>
    <us-gaap:OtherNonoperatingIncomeExpense
      contextRef="i201ed1d2fdd042c0bd171af3de0e4482_D20170401-20170630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfMjMtMy0xLTEtNTU2_d0bda695-3faa-41ea-98f8-6d4f7fdc19ae"
      unitRef="usd">3000</us-gaap:OtherNonoperatingIncomeExpense>
    <us-gaap:OtherNonoperatingIncomeExpense
      contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfMjEtNS0xLTEtMzk5Ng_295cfab9-a391-4aea-bae4-8165eece7bd4"
      unitRef="usd">5000</us-gaap:OtherNonoperatingIncomeExpense>
    <us-gaap:OtherNonoperatingIncomeExpense
      contextRef="iae1008ff6a854658ab77be281aab8a0c_D20170101-20170630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfMjEtNy0xLTEtMzc2MQ_6b5a3aad-d198-4074-b13b-e897052bd20c"
      unitRef="usd">6000</us-gaap:OtherNonoperatingIncomeExpense>
    <us-gaap:NonoperatingIncomeExpense
      contextRef="i486ae96497a44bee87d62f2f3d814d35_D20180401-20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfMjQtMS0xLTEtNTUz_7fcfd50c-d8ae-44d5-9bc7-31d5bf7b808c"
      unitRef="usd">75000</us-gaap:NonoperatingIncomeExpense>
    <us-gaap:NonoperatingIncomeExpense
      contextRef="i201ed1d2fdd042c0bd171af3de0e4482_D20170401-20170630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfMjQtMy0xLTEtNTU2_57faa44e-47e3-40ee-b4cd-311ef6dc5bec"
      unitRef="usd">1000</us-gaap:NonoperatingIncomeExpense>
    <us-gaap:NonoperatingIncomeExpense
      contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfMjItNS0xLTEtMzk5Ng_e32b3777-f765-4bbf-b94e-1f0797673b8f"
      unitRef="usd">-1000</us-gaap:NonoperatingIncomeExpense>
    <us-gaap:NonoperatingIncomeExpense
      contextRef="iae1008ff6a854658ab77be281aab8a0c_D20170101-20170630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfMjItNy0xLTEtMzc2MQ_5cc57241-a5c4-4c2e-a307-113da5243f4e"
      unitRef="usd">2000</us-gaap:NonoperatingIncomeExpense>
    <us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
      contextRef="i486ae96497a44bee87d62f2f3d814d35_D20180401-20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfMjUtMS0xLTEtNTUz_4b8ad3f4-a6cb-42b7-ab7d-ac37128ecb31"
      unitRef="usd">301000</us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest>
    <us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
      contextRef="i201ed1d2fdd042c0bd171af3de0e4482_D20170401-20170630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfMjUtMy0xLTEtNTU2_e34d6387-1bab-4fc2-8aa6-4a1f9f5cc406"
      unitRef="usd">415000</us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest>
    <us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
      contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfMjMtNS0xLTEtMzk5Ng_66a17707-bd56-4650-b129-4a2e5a8bde21"
      unitRef="usd">575000</us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest>
    <us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
      contextRef="iae1008ff6a854658ab77be281aab8a0c_D20170101-20170630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfMjMtNy0xLTEtMzc2MQ_17bb526d-4a7b-4cc4-9869-f5b3981d97f9"
      unitRef="usd">759000</us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest>
    <us-gaap:IncomeTaxExpenseBenefit
      contextRef="i486ae96497a44bee87d62f2f3d814d35_D20180401-20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfMjYtMS0xLTEtNTUz_e97460e5-41d4-40ae-ad07-316d40eae3c8"
      unitRef="usd">54000</us-gaap:IncomeTaxExpenseBenefit>
    <us-gaap:IncomeTaxExpenseBenefit
      contextRef="i201ed1d2fdd042c0bd171af3de0e4482_D20170401-20170630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfMjYtMy0xLTEtNTU2_0c834502-fe1a-4613-8dd0-0212b817bab4"
      unitRef="usd">40000</us-gaap:IncomeTaxExpenseBenefit>
    <us-gaap:IncomeTaxExpenseBenefit
      contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfMjQtNS0xLTEtMzk5Ng_8bbe6b50-1058-402d-9fcb-975f7a720a19"
      unitRef="usd">103000</us-gaap:IncomeTaxExpenseBenefit>
    <us-gaap:IncomeTaxExpenseBenefit
      contextRef="iae1008ff6a854658ab77be281aab8a0c_D20170101-20170630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfMjQtNy0xLTEtMzc2MQ_415ccdff-e983-49a7-8700-602942be98bb"
      unitRef="usd">132000</us-gaap:IncomeTaxExpenseBenefit>
    <us-gaap:NetIncomeLoss
      contextRef="i486ae96497a44bee87d62f2f3d814d35_D20180401-20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfMjctMS0xLTEtNTUz_c18c9bf6-baf1-4464-92fa-bceab5bdd3d3"
      unitRef="usd">247000</us-gaap:NetIncomeLoss>
    <us-gaap:NetIncomeLoss
      contextRef="i201ed1d2fdd042c0bd171af3de0e4482_D20170401-20170630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfMjctMy0xLTEtNTU2_650c203c-9f32-41e8-9c24-6934cadadf01"
      unitRef="usd">375000</us-gaap:NetIncomeLoss>
    <us-gaap:NetIncomeLoss
      contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfMjUtNS0xLTEtMzk5Ng_399b4711-7aeb-4e34-abf2-5db85a2e146d"
      unitRef="usd">472000</us-gaap:NetIncomeLoss>
    <us-gaap:NetIncomeLoss
      contextRef="iae1008ff6a854658ab77be281aab8a0c_D20170101-20170630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfMjUtNy0xLTEtMzc2MQ_fe1405bd-005e-49ac-b3c7-165789f4b53c"
      unitRef="usd">627000</us-gaap:NetIncomeLoss>
    <us-gaap:EarningsPerShareBasic
      contextRef="i486ae96497a44bee87d62f2f3d814d35_D20180401-20180630"
      decimals="2"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfMjktMS0xLTEtNTU5_46522607-f23f-420f-b69c-7bc2343ae9be"
      unitRef="usdPerShare">0.02</us-gaap:EarningsPerShareBasic>
    <us-gaap:EarningsPerShareBasic
      contextRef="i201ed1d2fdd042c0bd171af3de0e4482_D20170401-20170630"
      decimals="2"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfMjktMy0xLTEtNTYy_d1cfd9da-ae4d-4696-91cf-69a603cb97fa"
      unitRef="usdPerShare">0.03</us-gaap:EarningsPerShareBasic>
    <us-gaap:EarningsPerShareBasic
      contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630"
      decimals="2"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfMjctNS0xLTEtMzk5Ng_e43b2bac-40d9-4f2f-8805-e863b2028629"
      unitRef="usdPerShare">0.04</us-gaap:EarningsPerShareBasic>
    <us-gaap:EarningsPerShareBasic
      contextRef="iae1008ff6a854658ab77be281aab8a0c_D20170101-20170630"
      decimals="2"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfMjctNy0xLTEtMzc2MQ_974e6eeb-7ac8-4237-95ce-ba2b2244b5d3"
      unitRef="usdPerShare">0.05</us-gaap:EarningsPerShareBasic>
    <us-gaap:EarningsPerShareDiluted
      contextRef="i486ae96497a44bee87d62f2f3d814d35_D20180401-20180630"
      decimals="2"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfMzAtMS0xLTEtNTU5_9d1c26b6-67ca-4892-9f6f-b809ce6c45df"
      unitRef="usdPerShare">0.02</us-gaap:EarningsPerShareDiluted>
    <us-gaap:EarningsPerShareDiluted
      contextRef="i201ed1d2fdd042c0bd171af3de0e4482_D20170401-20170630"
      decimals="2"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfMzAtMy0xLTEtNTYy_9a37a854-bdaf-48bf-a613-19f049f586f1"
      unitRef="usdPerShare">0.03</us-gaap:EarningsPerShareDiluted>
    <us-gaap:EarningsPerShareDiluted
      contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630"
      decimals="2"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfMjgtNS0xLTEtMzk5Ng_2a358e9b-fc49-4f96-b207-e58593a5ee7e"
      unitRef="usdPerShare">0.04</us-gaap:EarningsPerShareDiluted>
    <us-gaap:EarningsPerShareDiluted
      contextRef="iae1008ff6a854658ab77be281aab8a0c_D20170101-20170630"
      decimals="2"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfMjgtNy0xLTEtMzc2MQ_6169b5a1-f5ee-491d-b4fb-bee2a03323f5"
      unitRef="usdPerShare">0.05</us-gaap:EarningsPerShareDiluted>
    <us-gaap:WeightedAverageNumberOfSharesOutstandingBasic
      contextRef="i486ae96497a44bee87d62f2f3d814d35_D20180401-20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfMzItMS0xLTEtNTY1_c32147fe-bbe0-4866-9837-bb8794c872ee"
      unitRef="shares">12963000</us-gaap:WeightedAverageNumberOfSharesOutstandingBasic>
    <us-gaap:WeightedAverageNumberOfSharesOutstandingBasic
      contextRef="i201ed1d2fdd042c0bd171af3de0e4482_D20170401-20170630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfMzItMy0xLTEtNTY4_d0707089-82a9-4caa-8e17-631f4b70d2e7"
      unitRef="shares">12831000</us-gaap:WeightedAverageNumberOfSharesOutstandingBasic>
    <us-gaap:WeightedAverageNumberOfSharesOutstandingBasic
      contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfMzAtNS0xLTEtMzk5Ng_1be58979-625f-480a-b51d-786e50215c3a"
      unitRef="shares">12941000</us-gaap:WeightedAverageNumberOfSharesOutstandingBasic>
    <us-gaap:WeightedAverageNumberOfSharesOutstandingBasic
      contextRef="iae1008ff6a854658ab77be281aab8a0c_D20170101-20170630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfMzAtNy0xLTEtMzc2MQ_c2d31dd3-10b6-41a2-bb5c-4e7336c6a7c0"
      unitRef="shares">12818000</us-gaap:WeightedAverageNumberOfSharesOutstandingBasic>
    <us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding
      contextRef="i486ae96497a44bee87d62f2f3d814d35_D20180401-20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfMzMtMS0xLTEtNTY1_99808a35-c2ea-4b16-8e44-00e1e6bca268"
      unitRef="shares">13261000</us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding>
    <us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding
      contextRef="i201ed1d2fdd042c0bd171af3de0e4482_D20170401-20170630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfMzMtMy0xLTEtNTY4_a35d0ade-1ce1-467f-888c-8ff9b66dd7f1"
      unitRef="shares">13130000</us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding>
    <us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding
      contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfMzEtNS0xLTEtMzk5Ng_9a283f0e-9c95-4e42-8f0d-1132d55713eb"
      unitRef="shares">13215000</us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding>
    <us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding
      contextRef="iae1008ff6a854658ab77be281aab8a0c_D20170101-20170630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl85OC9mcmFnOjRmZGM5NTU1ZjVhNTQwMjRhMzlhZGU3ZGI2YjEwODJmL3RhYmxlOjA1NmIxNGYyNzNkMjQ4ZGJhODNkMGRjOWM0MDQ5OTliL3RhYmxlcmFuZ2U6MDU2YjE0ZjI3M2QyNDhkYmE4M2QwZGM5YzQwNDk5OWJfMzEtNy0xLTEtMzc2MQ_cea32206-11a0-4406-b253-c36d49d3e7b0"
      unitRef="shares">13093000</us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding>
    <us-gaap:NetIncomeLoss
      contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMTEvZnJhZzoyYzBiOWFkOTdlYjI0NDI5YjA3YWRiZGMwNjIzYmE0Ni90YWJsZToxNmVlZjcwYjc4NGE0OGRhODcxODRjMzg5MzkyODI2Mi90YWJsZXJhbmdlOjE2ZWVmNzBiNzg0YTQ4ZGE4NzE4NGMzODkzOTI4MjYyXzUtMS0xLTEtNTgw_9c273d4a-2bf8-4182-8189-3cdb4ad4bc8c"
      unitRef="usd">472000</us-gaap:NetIncomeLoss>
    <us-gaap:NetIncomeLoss
      contextRef="iae1008ff6a854658ab77be281aab8a0c_D20170101-20170630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMTEvZnJhZzoyYzBiOWFkOTdlYjI0NDI5YjA3YWRiZGMwNjIzYmE0Ni90YWJsZToxNmVlZjcwYjc4NGE0OGRhODcxODRjMzg5MzkyODI2Mi90YWJsZXJhbmdlOjE2ZWVmNzBiNzg0YTQ4ZGE4NzE4NGMzODkzOTI4MjYyXzUtMy0xLTEtNTc3_6fb7a0d5-7c74-4162-9189-fdc29415a504"
      unitRef="usd">627000</us-gaap:NetIncomeLoss>
    <us-gaap:DepreciationDepletionAndAmortization
      contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMTEvZnJhZzoyYzBiOWFkOTdlYjI0NDI5YjA3YWRiZGMwNjIzYmE0Ni90YWJsZToxNmVlZjcwYjc4NGE0OGRhODcxODRjMzg5MzkyODI2Mi90YWJsZXJhbmdlOjE2ZWVmNzBiNzg0YTQ4ZGE4NzE4NGMzODkzOTI4MjYyXzctMS0xLTEtNTgz_bf1f9667-6652-4abb-abc3-c3dde6db38aa"
      unitRef="usd">10836000</us-gaap:DepreciationDepletionAndAmortization>
    <us-gaap:DepreciationDepletionAndAmortization
      contextRef="iae1008ff6a854658ab77be281aab8a0c_D20170101-20170630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMTEvZnJhZzoyYzBiOWFkOTdlYjI0NDI5YjA3YWRiZGMwNjIzYmE0Ni90YWJsZToxNmVlZjcwYjc4NGE0OGRhODcxODRjMzg5MzkyODI2Mi90YWJsZXJhbmdlOjE2ZWVmNzBiNzg0YTQ4ZGE4NzE4NGMzODkzOTI4MjYyXzctMy0xLTEtNTg2_b8660a0a-2bb9-4879-8b44-d0c0bbe779e6"
      unitRef="usd">10638000</us-gaap:DepreciationDepletionAndAmortization>
    <us-gaap:DeferredIncomeTaxExpenseBenefit
      contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMTEvZnJhZzoyYzBiOWFkOTdlYjI0NDI5YjA3YWRiZGMwNjIzYmE0Ni90YWJsZToxNmVlZjcwYjc4NGE0OGRhODcxODRjMzg5MzkyODI2Mi90YWJsZXJhbmdlOjE2ZWVmNzBiNzg0YTQ4ZGE4NzE4NGMzODkzOTI4MjYyXzgtMS0xLTEtNTgz_f3158401-4909-49a7-bee3-f7116ad72446"
      unitRef="usd">170000</us-gaap:DeferredIncomeTaxExpenseBenefit>
    <us-gaap:DeferredIncomeTaxExpenseBenefit
      contextRef="iae1008ff6a854658ab77be281aab8a0c_D20170101-20170630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMTEvZnJhZzoyYzBiOWFkOTdlYjI0NDI5YjA3YWRiZGMwNjIzYmE0Ni90YWJsZToxNmVlZjcwYjc4NGE0OGRhODcxODRjMzg5MzkyODI2Mi90YWJsZXJhbmdlOjE2ZWVmNzBiNzg0YTQ4ZGE4NzE4NGMzODkzOTI4MjYyXzgtMy0xLTEtNTg2_c5975f6b-cdf9-4970-94d0-bba98e5a17a2"
      unitRef="usd">-2609000</us-gaap:DeferredIncomeTaxExpenseBenefit>
    <us-gaap:ShareBasedCompensation
      contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMTEvZnJhZzoyYzBiOWFkOTdlYjI0NDI5YjA3YWRiZGMwNjIzYmE0Ni90YWJsZToxNmVlZjcwYjc4NGE0OGRhODcxODRjMzg5MzkyODI2Mi90YWJsZXJhbmdlOjE2ZWVmNzBiNzg0YTQ4ZGE4NzE4NGMzODkzOTI4MjYyXzktMS0xLTEtNTgz_c76e49ac-43a3-450a-9739-5b11f4e33b66"
      unitRef="usd">1076000</us-gaap:ShareBasedCompensation>
    <us-gaap:ShareBasedCompensation
      contextRef="iae1008ff6a854658ab77be281aab8a0c_D20170101-20170630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMTEvZnJhZzoyYzBiOWFkOTdlYjI0NDI5YjA3YWRiZGMwNjIzYmE0Ni90YWJsZToxNmVlZjcwYjc4NGE0OGRhODcxODRjMzg5MzkyODI2Mi90YWJsZXJhbmdlOjE2ZWVmNzBiNzg0YTQ4ZGE4NzE4NGMzODkzOTI4MjYyXzktMy0xLTEtNTg2_568e5a41-f52a-441d-afd3-5c744c6fe312"
      unitRef="usd">2416000</us-gaap:ShareBasedCompensation>
    <us-gaap:ProvisionForDoubtfulAccounts
      contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMTEvZnJhZzoyYzBiOWFkOTdlYjI0NDI5YjA3YWRiZGMwNjIzYmE0Ni90YWJsZToxNmVlZjcwYjc4NGE0OGRhODcxODRjMzg5MzkyODI2Mi90YWJsZXJhbmdlOjE2ZWVmNzBiNzg0YTQ4ZGE4NzE4NGMzODkzOTI4MjYyXzEwLTEtMS0xLTU4Mw_789dfde8-489a-4fdb-8c9c-47d595acb26f"
      unitRef="usd">-102000</us-gaap:ProvisionForDoubtfulAccounts>
    <us-gaap:ProvisionForDoubtfulAccounts
      contextRef="iae1008ff6a854658ab77be281aab8a0c_D20170101-20170630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMTEvZnJhZzoyYzBiOWFkOTdlYjI0NDI5YjA3YWRiZGMwNjIzYmE0Ni90YWJsZToxNmVlZjcwYjc4NGE0OGRhODcxODRjMzg5MzkyODI2Mi90YWJsZXJhbmdlOjE2ZWVmNzBiNzg0YTQ4ZGE4NzE4NGMzODkzOTI4MjYyXzEwLTMtMS0xLTU4Ng_99896fca-2339-4fc6-983d-534f2c0ed9eb"
      unitRef="usd">60000</us-gaap:ProvisionForDoubtfulAccounts>
    <us-gaap:GainLossOnDispositionOfAssets
      contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMTEvZnJhZzoyYzBiOWFkOTdlYjI0NDI5YjA3YWRiZGMwNjIzYmE0Ni90YWJsZToxNmVlZjcwYjc4NGE0OGRhODcxODRjMzg5MzkyODI2Mi90YWJsZXJhbmdlOjE2ZWVmNzBiNzg0YTQ4ZGE4NzE4NGMzODkzOTI4MjYyXzEyLTEtMS0xLTYwNA_8afc9ce7-07a3-4f0d-ac51-3f6d47c8bbe1"
      unitRef="usd">49000</us-gaap:GainLossOnDispositionOfAssets>
    <us-gaap:GainLossOnDispositionOfAssets
      contextRef="iae1008ff6a854658ab77be281aab8a0c_D20170101-20170630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMTEvZnJhZzoyYzBiOWFkOTdlYjI0NDI5YjA3YWRiZGMwNjIzYmE0Ni90YWJsZToxNmVlZjcwYjc4NGE0OGRhODcxODRjMzg5MzkyODI2Mi90YWJsZXJhbmdlOjE2ZWVmNzBiNzg0YTQ4ZGE4NzE4NGMzODkzOTI4MjYyXzEyLTMtMS0xLTYwOQ_88827054-0545-40aa-b09f-a3cf9211bbd9"
      unitRef="usd">49000</us-gaap:GainLossOnDispositionOfAssets>
    <us-gaap:LifeInsuranceCorporateOrBankOwnedChangeInValue
      contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMTEvZnJhZzoyYzBiOWFkOTdlYjI0NDI5YjA3YWRiZGMwNjIzYmE0Ni90YWJsZToxNmVlZjcwYjc4NGE0OGRhODcxODRjMzg5MzkyODI2Mi90YWJsZXJhbmdlOjE2ZWVmNzBiNzg0YTQ4ZGE4NzE4NGMzODkzOTI4MjYyXzE0LTEtMS0xLTYxOQ_1efb9b0e-9149-47b5-93e1-44afe3a9bec9"
      unitRef="usd">-55000</us-gaap:LifeInsuranceCorporateOrBankOwnedChangeInValue>
    <us-gaap:LifeInsuranceCorporateOrBankOwnedChangeInValue
      contextRef="iae1008ff6a854658ab77be281aab8a0c_D20170101-20170630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMTEvZnJhZzoyYzBiOWFkOTdlYjI0NDI5YjA3YWRiZGMwNjIzYmE0Ni90YWJsZToxNmVlZjcwYjc4NGE0OGRhODcxODRjMzg5MzkyODI2Mi90YWJsZXJhbmdlOjE2ZWVmNzBiNzg0YTQ4ZGE4NzE4NGMzODkzOTI4MjYyXzE0LTMtMS0xLTYyMg_96c4bb02-4f89-4d37-a14c-c1ae722f2731"
      unitRef="usd">17000</us-gaap:LifeInsuranceCorporateOrBankOwnedChangeInValue>
    <us-gaap:IncreaseDecreaseInAccountsReceivable
      contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMTEvZnJhZzoyYzBiOWFkOTdlYjI0NDI5YjA3YWRiZGMwNjIzYmE0Ni90YWJsZToxNmVlZjcwYjc4NGE0OGRhODcxODRjMzg5MzkyODI2Mi90YWJsZXJhbmdlOjE2ZWVmNzBiNzg0YTQ4ZGE4NzE4NGMzODkzOTI4MjYyXzE3LTEtMS0xLTY4OQ_379cc565-df89-4e1a-8fc4-0e5262dccf4b"
      unitRef="usd">739000</us-gaap:IncreaseDecreaseInAccountsReceivable>
    <us-gaap:IncreaseDecreaseInAccountsReceivable
      contextRef="iae1008ff6a854658ab77be281aab8a0c_D20170101-20170630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMTEvZnJhZzoyYzBiOWFkOTdlYjI0NDI5YjA3YWRiZGMwNjIzYmE0Ni90YWJsZToxNmVlZjcwYjc4NGE0OGRhODcxODRjMzg5MzkyODI2Mi90YWJsZXJhbmdlOjE2ZWVmNzBiNzg0YTQ4ZGE4NzE4NGMzODkzOTI4MjYyXzE3LTMtMS0xLTY5Mg_8e6db59d-1504-4d6f-b361-f97105baecd0"
      unitRef="usd">-1147000</us-gaap:IncreaseDecreaseInAccountsReceivable>
    <us-gaap:IncreaseDecreaseInInventories
      contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMTEvZnJhZzoyYzBiOWFkOTdlYjI0NDI5YjA3YWRiZGMwNjIzYmE0Ni90YWJsZToxNmVlZjcwYjc4NGE0OGRhODcxODRjMzg5MzkyODI2Mi90YWJsZXJhbmdlOjE2ZWVmNzBiNzg0YTQ4ZGE4NzE4NGMzODkzOTI4MjYyXzE4LTEtMS0xLTY4OQ_6888ed2c-21c4-4c1c-a619-2a9669852e09"
      unitRef="usd">-2673000</us-gaap:IncreaseDecreaseInInventories>
    <us-gaap:IncreaseDecreaseInInventories
      contextRef="iae1008ff6a854658ab77be281aab8a0c_D20170101-20170630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMTEvZnJhZzoyYzBiOWFkOTdlYjI0NDI5YjA3YWRiZGMwNjIzYmE0Ni90YWJsZToxNmVlZjcwYjc4NGE0OGRhODcxODRjMzg5MzkyODI2Mi90YWJsZXJhbmdlOjE2ZWVmNzBiNzg0YTQ4ZGE4NzE4NGMzODkzOTI4MjYyXzE4LTMtMS0xLTY5Mg_3336e784-2986-4766-bb93-c999f61ca38f"
      unitRef="usd">-1383000</us-gaap:IncreaseDecreaseInInventories>
    <us-gaap:IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets
      contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMTEvZnJhZzoyYzBiOWFkOTdlYjI0NDI5YjA3YWRiZGMwNjIzYmE0Ni90YWJsZToxNmVlZjcwYjc4NGE0OGRhODcxODRjMzg5MzkyODI2Mi90YWJsZXJhbmdlOjE2ZWVmNzBiNzg0YTQ4ZGE4NzE4NGMzODkzOTI4MjYyXzE5LTEtMS0xLTY1OQ_7bfd479a-5a07-49d8-af24-6b52b17d9916"
      unitRef="usd">-321000</us-gaap:IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets>
    <us-gaap:IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets
      contextRef="iae1008ff6a854658ab77be281aab8a0c_D20170101-20170630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMTEvZnJhZzoyYzBiOWFkOTdlYjI0NDI5YjA3YWRiZGMwNjIzYmE0Ni90YWJsZToxNmVlZjcwYjc4NGE0OGRhODcxODRjMzg5MzkyODI2Mi90YWJsZXJhbmdlOjE2ZWVmNzBiNzg0YTQ4ZGE4NzE4NGMzODkzOTI4MjYyXzE5LTMtMS0xLTY1NA_8b082eb5-ff58-40f9-95f6-b3f4f3f1a634"
      unitRef="usd">1411000</us-gaap:IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets>
    <us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities
      contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMTEvZnJhZzoyYzBiOWFkOTdlYjI0NDI5YjA3YWRiZGMwNjIzYmE0Ni90YWJsZToxNmVlZjcwYjc4NGE0OGRhODcxODRjMzg5MzkyODI2Mi90YWJsZXJhbmdlOjE2ZWVmNzBiNzg0YTQ4ZGE4NzE4NGMzODkzOTI4MjYyXzIwLTEtMS0xLTY1OQ_5749211e-8768-461d-8f52-e971abc01bb4"
      unitRef="usd">-4327000</us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities>
    <us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities
      contextRef="iae1008ff6a854658ab77be281aab8a0c_D20170101-20170630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMTEvZnJhZzoyYzBiOWFkOTdlYjI0NDI5YjA3YWRiZGMwNjIzYmE0Ni90YWJsZToxNmVlZjcwYjc4NGE0OGRhODcxODRjMzg5MzkyODI2Mi90YWJsZXJhbmdlOjE2ZWVmNzBiNzg0YTQ4ZGE4NzE4NGMzODkzOTI4MjYyXzIwLTMtMS0xLTY1NA_94941532-96bb-4478-9f47-8aa5bcd69c76"
      unitRef="usd">297000</us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities>
    <ngs:IncreaseDecreaseInContractWithCustomerLiability
      contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMTEvZnJhZzoyYzBiOWFkOTdlYjI0NDI5YjA3YWRiZGMwNjIzYmE0Ni90YWJsZToxNmVlZjcwYjc4NGE0OGRhODcxODRjMzg5MzkyODI2Mi90YWJsZXJhbmdlOjE2ZWVmNzBiNzg0YTQ4ZGE4NzE4NGMzODkzOTI4MjYyXzIyLTEtMS0xLTY2NA_7ed40985-5434-4ab9-afa6-babd723f3344"
      unitRef="usd">302000</ngs:IncreaseDecreaseInContractWithCustomerLiability>
    <ngs:IncreaseDecreaseInContractWithCustomerLiability
      contextRef="iae1008ff6a854658ab77be281aab8a0c_D20170101-20170630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMTEvZnJhZzoyYzBiOWFkOTdlYjI0NDI5YjA3YWRiZGMwNjIzYmE0Ni90YWJsZToxNmVlZjcwYjc4NGE0OGRhODcxODRjMzg5MzkyODI2Mi90YWJsZXJhbmdlOjE2ZWVmNzBiNzg0YTQ4ZGE4NzE4NGMzODkzOTI4MjYyXzIyLTMtMS0xLTY2Nw_2cc6e5db-a9f1-4719-b526-8eccb428aaa0"
      unitRef="usd">-1849000</ngs:IncreaseDecreaseInContractWithCustomerLiability>
    <us-gaap:IncreaseDecreaseInOtherCurrentAssets
      contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMTEvZnJhZzoyYzBiOWFkOTdlYjI0NDI5YjA3YWRiZGMwNjIzYmE0Ni90YWJsZToxNmVlZjcwYjc4NGE0OGRhODcxODRjMzg5MzkyODI2Mi90YWJsZXJhbmdlOjE2ZWVmNzBiNzg0YTQ4ZGE4NzE4NGMzODkzOTI4MjYyXzIzLTEtMS0xLTY2NA_2b1e76a8-e1d8-4530-bc2e-9359c6f2f636"
      unitRef="usd">-172000</us-gaap:IncreaseDecreaseInOtherCurrentAssets>
    <us-gaap:IncreaseDecreaseInOtherCurrentAssets
      contextRef="iae1008ff6a854658ab77be281aab8a0c_D20170101-20170630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMTEvZnJhZzoyYzBiOWFkOTdlYjI0NDI5YjA3YWRiZGMwNjIzYmE0Ni90YWJsZToxNmVlZjcwYjc4NGE0OGRhODcxODRjMzg5MzkyODI2Mi90YWJsZXJhbmdlOjE2ZWVmNzBiNzg0YTQ4ZGE4NzE4NGMzODkzOTI4MjYyXzIzLTMtMS0xLTY2Nw_94bf0170-f5f1-49f2-a5c2-b78b78704123"
      unitRef="usd">-512000</us-gaap:IncreaseDecreaseInOtherCurrentAssets>
    <us-gaap:NetCashProvidedByUsedInOperatingActivities
      contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMTEvZnJhZzoyYzBiOWFkOTdlYjI0NDI5YjA3YWRiZGMwNjIzYmE0Ni90YWJsZToxNmVlZjcwYjc4NGE0OGRhODcxODRjMzg5MzkyODI2Mi90YWJsZXJhbmdlOjE2ZWVmNzBiNzg0YTQ4ZGE4NzE4NGMzODkzOTI4MjYyXzI1LTEtMS0xLTY3MA_eb9644b8-4b75-4b3b-b9fe-ef6e3b59bc72"
      unitRef="usd">10860000</us-gaap:NetCashProvidedByUsedInOperatingActivities>
    <us-gaap:NetCashProvidedByUsedInOperatingActivities
      contextRef="iae1008ff6a854658ab77be281aab8a0c_D20170101-20170630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMTEvZnJhZzoyYzBiOWFkOTdlYjI0NDI5YjA3YWRiZGMwNjIzYmE0Ni90YWJsZToxNmVlZjcwYjc4NGE0OGRhODcxODRjMzg5MzkyODI2Mi90YWJsZXJhbmdlOjE2ZWVmNzBiNzg0YTQ4ZGE4NzE4NGMzODkzOTI4MjYyXzI1LTMtMS0xLTY3Mw_d30739bd-a9bf-4478-85f3-8bf1a9088db6"
      unitRef="usd">11145000</us-gaap:NetCashProvidedByUsedInOperatingActivities>
    <us-gaap:PaymentsToAcquirePropertyPlantAndEquipment
      contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMTEvZnJhZzoyYzBiOWFkOTdlYjI0NDI5YjA3YWRiZGMwNjIzYmE0Ni90YWJsZToxNmVlZjcwYjc4NGE0OGRhODcxODRjMzg5MzkyODI2Mi90YWJsZXJhbmdlOjE2ZWVmNzBiNzg0YTQ4ZGE4NzE4NGMzODkzOTI4MjYyXzI3LTEtMS0xLTY4MA_4ab9af44-4440-486b-8272-da604c926822"
      unitRef="usd">16945000</us-gaap:PaymentsToAcquirePropertyPlantAndEquipment>
    <us-gaap:PaymentsToAcquirePropertyPlantAndEquipment
      contextRef="iae1008ff6a854658ab77be281aab8a0c_D20170101-20170630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMTEvZnJhZzoyYzBiOWFkOTdlYjI0NDI5YjA3YWRiZGMwNjIzYmE0Ni90YWJsZToxNmVlZjcwYjc4NGE0OGRhODcxODRjMzg5MzkyODI2Mi90YWJsZXJhbmdlOjE2ZWVmNzBiNzg0YTQ4ZGE4NzE4NGMzODkzOTI4MjYyXzI3LTMtMS0xLTY4NA_18aca219-b851-42b9-b0da-c7e006b16d8c"
      unitRef="usd">1587000</us-gaap:PaymentsToAcquirePropertyPlantAndEquipment>
    <us-gaap:PaymentsToAcquireLifeInsurancePolicies
      contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMTEvZnJhZzoyYzBiOWFkOTdlYjI0NDI5YjA3YWRiZGMwNjIzYmE0Ni90YWJsZToxNmVlZjcwYjc4NGE0OGRhODcxODRjMzg5MzkyODI2Mi90YWJsZXJhbmdlOjE2ZWVmNzBiNzg0YTQ4ZGE4NzE4NGMzODkzOTI4MjYyXzI4LTEtMS0xLTY4MA_dd45af09-4f32-4055-a2e9-5dfdb3df802c"
      unitRef="usd">191000</us-gaap:PaymentsToAcquireLifeInsurancePolicies>
    <us-gaap:PaymentsToAcquireLifeInsurancePolicies
      contextRef="iae1008ff6a854658ab77be281aab8a0c_D20170101-20170630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMTEvZnJhZzoyYzBiOWFkOTdlYjI0NDI5YjA3YWRiZGMwNjIzYmE0Ni90YWJsZToxNmVlZjcwYjc4NGE0OGRhODcxODRjMzg5MzkyODI2Mi90YWJsZXJhbmdlOjE2ZWVmNzBiNzg0YTQ4ZGE4NzE4NGMzODkzOTI4MjYyXzI4LTMtMS0xLTY4NA_3b9df5f8-b86d-4ca3-b967-099e339ce191"
      unitRef="usd">529000</us-gaap:PaymentsToAcquireLifeInsurancePolicies>
    <us-gaap:ProceedsFromSaleOfPropertyPlantAndEquipment
      contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMTEvZnJhZzoyYzBiOWFkOTdlYjI0NDI5YjA3YWRiZGMwNjIzYmE0Ni90YWJsZToxNmVlZjcwYjc4NGE0OGRhODcxODRjMzg5MzkyODI2Mi90YWJsZXJhbmdlOjE2ZWVmNzBiNzg0YTQ4ZGE4NzE4NGMzODkzOTI4MjYyXzI5LTEtMS0xLTY4MA_31dc6071-507d-4692-ab10-c9f432239561"
      unitRef="usd">49000</us-gaap:ProceedsFromSaleOfPropertyPlantAndEquipment>
    <us-gaap:ProceedsFromSaleOfPropertyPlantAndEquipment
      contextRef="iae1008ff6a854658ab77be281aab8a0c_D20170101-20170630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMTEvZnJhZzoyYzBiOWFkOTdlYjI0NDI5YjA3YWRiZGMwNjIzYmE0Ni90YWJsZToxNmVlZjcwYjc4NGE0OGRhODcxODRjMzg5MzkyODI2Mi90YWJsZXJhbmdlOjE2ZWVmNzBiNzg0YTQ4ZGE4NzE4NGMzODkzOTI4MjYyXzI5LTMtMS0xLTY4NA_db6e4427-5dfe-4f5c-a2fb-35487724d071"
      unitRef="usd">49000</us-gaap:ProceedsFromSaleOfPropertyPlantAndEquipment>
    <us-gaap:NetCashProvidedByUsedInInvestingActivities
      contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMTEvZnJhZzoyYzBiOWFkOTdlYjI0NDI5YjA3YWRiZGMwNjIzYmE0Ni90YWJsZToxNmVlZjcwYjc4NGE0OGRhODcxODRjMzg5MzkyODI2Mi90YWJsZXJhbmdlOjE2ZWVmNzBiNzg0YTQ4ZGE4NzE4NGMzODkzOTI4MjYyXzMwLTEtMS0xLTY4MA_3490b3be-ac20-400e-a3e1-462916468f2d"
      unitRef="usd">-17087000</us-gaap:NetCashProvidedByUsedInInvestingActivities>
    <us-gaap:NetCashProvidedByUsedInInvestingActivities
      contextRef="iae1008ff6a854658ab77be281aab8a0c_D20170101-20170630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMTEvZnJhZzoyYzBiOWFkOTdlYjI0NDI5YjA3YWRiZGMwNjIzYmE0Ni90YWJsZToxNmVlZjcwYjc4NGE0OGRhODcxODRjMzg5MzkyODI2Mi90YWJsZXJhbmdlOjE2ZWVmNzBiNzg0YTQ4ZGE4NzE4NGMzODkzOTI4MjYyXzMwLTMtMS0xLTY4NA_489f19f8-84b8-49e9-8f5e-db1e09fe7bfc"
      unitRef="usd">-2067000</us-gaap:NetCashProvidedByUsedInInvestingActivities>
    <ngs:ProceedsFromPurchaseCommitmentDiscountNet
      contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMTEvZnJhZzoyYzBiOWFkOTdlYjI0NDI5YjA3YWRiZGMwNjIzYmE0Ni90YWJsZToxNmVlZjcwYjc4NGE0OGRhODcxODRjMzg5MzkyODI2Mi90YWJsZXJhbmdlOjE2ZWVmNzBiNzg0YTQ4ZGE4NzE4NGMzODkzOTI4MjYyXzMyLTEtMS0xLTY5Nw_75bed69b-d003-4812-80ec-ec392e318ef7"
      unitRef="usd">-19000</ngs:ProceedsFromPurchaseCommitmentDiscountNet>
    <ngs:ProceedsFromPurchaseCommitmentDiscountNet
      contextRef="iae1008ff6a854658ab77be281aab8a0c_D20170101-20170630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMTEvZnJhZzoyYzBiOWFkOTdlYjI0NDI5YjA3YWRiZGMwNjIzYmE0Ni90YWJsZToxNmVlZjcwYjc4NGE0OGRhODcxODRjMzg5MzkyODI2Mi90YWJsZXJhbmdlOjE2ZWVmNzBiNzg0YTQ4ZGE4NzE4NGMzODkzOTI4MjYyXzMyLTMtMS0xLTcwMA_4678cd48-57d6-4a4b-8a59-d3ebe7a34a6a"
      unitRef="usd">-7000</ngs:ProceedsFromPurchaseCommitmentDiscountNet>
    <us-gaap:ProceedsFromStockOptionsExercised
      contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMTEvZnJhZzoyYzBiOWFkOTdlYjI0NDI5YjA3YWRiZGMwNjIzYmE0Ni90YWJsZToxNmVlZjcwYjc4NGE0OGRhODcxODRjMzg5MzkyODI2Mi90YWJsZXJhbmdlOjE2ZWVmNzBiNzg0YTQ4ZGE4NzE4NGMzODkzOTI4MjYyXzM1LTEtMS0xLTY5Nw_42973279-e8ef-4746-9ff5-d101a22836db"
      unitRef="usd">157000</us-gaap:ProceedsFromStockOptionsExercised>
    <us-gaap:ProceedsFromStockOptionsExercised
      contextRef="iae1008ff6a854658ab77be281aab8a0c_D20170101-20170630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMTEvZnJhZzoyYzBiOWFkOTdlYjI0NDI5YjA3YWRiZGMwNjIzYmE0Ni90YWJsZToxNmVlZjcwYjc4NGE0OGRhODcxODRjMzg5MzkyODI2Mi90YWJsZXJhbmdlOjE2ZWVmNzBiNzg0YTQ4ZGE4NzE4NGMzODkzOTI4MjYyXzM1LTMtMS0xLTcwMA_1c167050-58eb-4da4-99a2-2ad86656f887"
      unitRef="usd">517000</us-gaap:ProceedsFromStockOptionsExercised>
    <us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation
      contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMTEvZnJhZzoyYzBiOWFkOTdlYjI0NDI5YjA3YWRiZGMwNjIzYmE0Ni90YWJsZToxNmVlZjcwYjc4NGE0OGRhODcxODRjMzg5MzkyODI2Mi90YWJsZXJhbmdlOjE2ZWVmNzBiNzg0YTQ4ZGE4NzE4NGMzODkzOTI4MjYyXzM2LTEtMS0xLTY5Nw_c8b273e3-c0ec-4450-9dea-35ef7164ccc6"
      unitRef="usd">629000</us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation>
    <us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation
      contextRef="iae1008ff6a854658ab77be281aab8a0c_D20170101-20170630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMTEvZnJhZzoyYzBiOWFkOTdlYjI0NDI5YjA3YWRiZGMwNjIzYmE0Ni90YWJsZToxNmVlZjcwYjc4NGE0OGRhODcxODRjMzg5MzkyODI2Mi90YWJsZXJhbmdlOjE2ZWVmNzBiNzg0YTQ4ZGE4NzE4NGMzODkzOTI4MjYyXzM2LTMtMS0xLTcwMA_14a0ae8c-8f72-4ff8-a53a-1ab5a0de1aef"
      unitRef="usd">644000</us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation>
    <us-gaap:NetCashProvidedByUsedInFinancingActivities
      contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMTEvZnJhZzoyYzBiOWFkOTdlYjI0NDI5YjA3YWRiZGMwNjIzYmE0Ni90YWJsZToxNmVlZjcwYjc4NGE0OGRhODcxODRjMzg5MzkyODI2Mi90YWJsZXJhbmdlOjE2ZWVmNzBiNzg0YTQ4ZGE4NzE4NGMzODkzOTI4MjYyXzM4LTEtMS0xLTcxMQ_10b9559e-c085-4f3c-b083-31e41c521d57"
      unitRef="usd">-491000</us-gaap:NetCashProvidedByUsedInFinancingActivities>
    <us-gaap:NetCashProvidedByUsedInFinancingActivities
      contextRef="iae1008ff6a854658ab77be281aab8a0c_D20170101-20170630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMTEvZnJhZzoyYzBiOWFkOTdlYjI0NDI5YjA3YWRiZGMwNjIzYmE0Ni90YWJsZToxNmVlZjcwYjc4NGE0OGRhODcxODRjMzg5MzkyODI2Mi90YWJsZXJhbmdlOjE2ZWVmNzBiNzg0YTQ4ZGE4NzE4NGMzODkzOTI4MjYyXzM4LTMtMS0xLTcwOA_00e45b36-f75e-4468-ad38-5d3d2935a083"
      unitRef="usd">-134000</us-gaap:NetCashProvidedByUsedInFinancingActivities>
    <us-gaap:CashAndCashEquivalentsPeriodIncreaseDecrease
      contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMTEvZnJhZzoyYzBiOWFkOTdlYjI0NDI5YjA3YWRiZGMwNjIzYmE0Ni90YWJsZToxNmVlZjcwYjc4NGE0OGRhODcxODRjMzg5MzkyODI2Mi90YWJsZXJhbmdlOjE2ZWVmNzBiNzg0YTQ4ZGE4NzE4NGMzODkzOTI4MjYyXzM5LTEtMS0xLTcxMQ_3959bf3d-0710-436c-96a7-2545dee2972e"
      unitRef="usd">-6718000</us-gaap:CashAndCashEquivalentsPeriodIncreaseDecrease>
    <us-gaap:CashAndCashEquivalentsPeriodIncreaseDecrease
      contextRef="iae1008ff6a854658ab77be281aab8a0c_D20170101-20170630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMTEvZnJhZzoyYzBiOWFkOTdlYjI0NDI5YjA3YWRiZGMwNjIzYmE0Ni90YWJsZToxNmVlZjcwYjc4NGE0OGRhODcxODRjMzg5MzkyODI2Mi90YWJsZXJhbmdlOjE2ZWVmNzBiNzg0YTQ4ZGE4NzE4NGMzODkzOTI4MjYyXzM5LTMtMS0xLTcwOA_c35ae51e-2a4d-4b5b-b173-c2c2f4468d4e"
      unitRef="usd">8944000</us-gaap:CashAndCashEquivalentsPeriodIncreaseDecrease>
    <us-gaap:CashAndCashEquivalentsAtCarryingValue
      contextRef="ic4d3c0da31dc4a6d9e6a956840d0f98c_I20171231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMTEvZnJhZzoyYzBiOWFkOTdlYjI0NDI5YjA3YWRiZGMwNjIzYmE0Ni90YWJsZToxNmVlZjcwYjc4NGE0OGRhODcxODRjMzg5MzkyODI2Mi90YWJsZXJhbmdlOjE2ZWVmNzBiNzg0YTQ4ZGE4NzE4NGMzODkzOTI4MjYyXzQwLTEtMS0xLTcxMQ_78c0b10c-e97a-49f2-a791-0043b18ea2f9"
      unitRef="usd">69208000</us-gaap:CashAndCashEquivalentsAtCarryingValue>
    <us-gaap:CashAndCashEquivalentsAtCarryingValue
      contextRef="i5d64dfa5d4674ee687c339f0606addeb_I20161231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMTEvZnJhZzoyYzBiOWFkOTdlYjI0NDI5YjA3YWRiZGMwNjIzYmE0Ni90YWJsZToxNmVlZjcwYjc4NGE0OGRhODcxODRjMzg5MzkyODI2Mi90YWJsZXJhbmdlOjE2ZWVmNzBiNzg0YTQ4ZGE4NzE4NGMzODkzOTI4MjYyXzQwLTMtMS0xLTcwOA_ccd4c356-760d-48c2-810b-5dac315b556b"
      unitRef="usd">64094000</us-gaap:CashAndCashEquivalentsAtCarryingValue>
    <us-gaap:CashAndCashEquivalentsAtCarryingValue
      contextRef="i4a0749d860044c61bf1ca42bfa4d1200_I20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMTEvZnJhZzoyYzBiOWFkOTdlYjI0NDI5YjA3YWRiZGMwNjIzYmE0Ni90YWJsZToxNmVlZjcwYjc4NGE0OGRhODcxODRjMzg5MzkyODI2Mi90YWJsZXJhbmdlOjE2ZWVmNzBiNzg0YTQ4ZGE4NzE4NGMzODkzOTI4MjYyXzQxLTEtMS0xLTcxMQ_2a908261-e298-404f-8aa4-abfe362471e2"
      unitRef="usd">62490000</us-gaap:CashAndCashEquivalentsAtCarryingValue>
    <us-gaap:CashAndCashEquivalentsAtCarryingValue
      contextRef="ifaf7beb52b3548fcb1b665aeb3553709_I20170630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMTEvZnJhZzoyYzBiOWFkOTdlYjI0NDI5YjA3YWRiZGMwNjIzYmE0Ni90YWJsZToxNmVlZjcwYjc4NGE0OGRhODcxODRjMzg5MzkyODI2Mi90YWJsZXJhbmdlOjE2ZWVmNzBiNzg0YTQ4ZGE4NzE4NGMzODkzOTI4MjYyXzQxLTMtMS0xLTcwOA_76dc42ce-5aeb-4918-9612-f0d208983e3b"
      unitRef="usd">73038000</us-gaap:CashAndCashEquivalentsAtCarryingValue>
    <us-gaap:InterestPaid
      contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMTEvZnJhZzoyYzBiOWFkOTdlYjI0NDI5YjA3YWRiZGMwNjIzYmE0Ni90YWJsZToxNmVlZjcwYjc4NGE0OGRhODcxODRjMzg5MzkyODI2Mi90YWJsZXJhbmdlOjE2ZWVmNzBiNzg0YTQ4ZGE4NzE4NGMzODkzOTI4MjYyXzQzLTEtMS0xLTcyMA_692c727e-c61c-4bf2-a748-ecb6afbf901d"
      unitRef="usd">6000</us-gaap:InterestPaid>
    <us-gaap:InterestPaid
      contextRef="iae1008ff6a854658ab77be281aab8a0c_D20170101-20170630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMTEvZnJhZzoyYzBiOWFkOTdlYjI0NDI5YjA3YWRiZGMwNjIzYmE0Ni90YWJsZToxNmVlZjcwYjc4NGE0OGRhODcxODRjMzg5MzkyODI2Mi90YWJsZXJhbmdlOjE2ZWVmNzBiNzg0YTQ4ZGE4NzE4NGMzODkzOTI4MjYyXzQzLTMtMS0xLTcyMw_03bd260e-8e08-4435-b76e-38b9c4f77443"
      unitRef="usd">4000</us-gaap:InterestPaid>
    <us-gaap:IncomeTaxesPaid
      contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMTEvZnJhZzoyYzBiOWFkOTdlYjI0NDI5YjA3YWRiZGMwNjIzYmE0Ni90YWJsZToxNmVlZjcwYjc4NGE0OGRhODcxODRjMzg5MzkyODI2Mi90YWJsZXJhbmdlOjE2ZWVmNzBiNzg0YTQ4ZGE4NzE4NGMzODkzOTI4MjYyXzQ0LTEtMS0xLTcyMA_baaca2e7-3df6-4e8d-b8f6-9886e3743164"
      unitRef="usd">66000</us-gaap:IncomeTaxesPaid>
    <us-gaap:IncomeTaxesPaid
      contextRef="iae1008ff6a854658ab77be281aab8a0c_D20170101-20170630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMTEvZnJhZzoyYzBiOWFkOTdlYjI0NDI5YjA3YWRiZGMwNjIzYmE0Ni90YWJsZToxNmVlZjcwYjc4NGE0OGRhODcxODRjMzg5MzkyODI2Mi90YWJsZXJhbmdlOjE2ZWVmNzBiNzg0YTQ4ZGE4NzE4NGMzODkzOTI4MjYyXzQ0LTMtMS0xLTcyMw_4d5b32da-89df-4741-9a04-c8b4a7d85daf"
      unitRef="usd">3203000</us-gaap:IncomeTaxesPaid>
    <ngs:TransferOfRentalEquipmentToInventory
      contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMTEvZnJhZzoyYzBiOWFkOTdlYjI0NDI5YjA3YWRiZGMwNjIzYmE0Ni90YWJsZToxNmVlZjcwYjc4NGE0OGRhODcxODRjMzg5MzkyODI2Mi90YWJsZXJhbmdlOjE2ZWVmNzBiNzg0YTQ4ZGE4NzE4NGMzODkzOTI4MjYyXzQ2LTEtMS0xLTcyNg_95aa0f74-a988-4e39-babc-cb9d21d125f0"
      unitRef="usd">144000</ngs:TransferOfRentalEquipmentToInventory>
    <ngs:TransferOfRentalEquipmentToInventory
      contextRef="iae1008ff6a854658ab77be281aab8a0c_D20170101-20170630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMTEvZnJhZzoyYzBiOWFkOTdlYjI0NDI5YjA3YWRiZGMwNjIzYmE0Ni90YWJsZToxNmVlZjcwYjc4NGE0OGRhODcxODRjMzg5MzkyODI2Mi90YWJsZXJhbmdlOjE2ZWVmNzBiNzg0YTQ4ZGE4NzE4NGMzODkzOTI4MjYyXzQ2LTMtMS0xLTcyOQ_5f614ac5-6aed-434c-8bdd-77e2d8a7167b"
      unitRef="usd">48000</ngs:TransferOfRentalEquipmentToInventory>
    <us-gaap:BasisOfPresentationAndSignificantAccountingPoliciesTextBlock
      contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMzkvZnJhZzoxYTRmYTQzY2FlMjQ0ZmY1YmI1NTA0OGU4MmUwNDI5OC90ZXh0cmVnaW9uOjFhNGZhNDNjYWUyNDRmZjViYjU1MDQ4ZTgyZTA0Mjk4XzQyODgwOTUzNDk4NDMw_982d163c-b390-44df-9845-972e38669d17">Basis of Presentation and Summary of Significant Accounting Policies&lt;div style="text-indent:36pt;line-height:120%;text-align:justify;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"&gt;These notes apply to the unaudited condensed consolidated financial statements of Natural Gas Services Group, Inc. a Colorado corporation&#160;(the "Company", &#x201c;NGSG&#x201d;, "Natural Gas Services Group", "we" or "our").&#160;&#160;The accompanying unaudited condensed consolidated financial statements include the accounts of the Company, its subsidiary, NGSG Properties, LLC and the rabbi trust associated with the Company's deferred compensations plan, see Note 4. All significant intercompany accounts and transactions for the periods presented have been eliminated in consolidation.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt;line-height:120%;text-align:justify;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"&gt;These&#160;financial statements include all adjustments, consisting of only normal recurring adjustments, which are necessary to make our financial position at June 30, 2018 and the results of our operations for the three and six months ended June 30, 2018 and 2017 not misleading.&#160;As permitted by the rules and regulations of the Securities and Exchange Commission (SEC), the accompanying condensed consolidated financial statements do not include all disclosures normally required by generally accepted accounting principles in the United States of America (GAAP).&#160;These financial statements should be read in conjunction&lt;/span&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:700;line-height:120%;vertical-align:bottom;"&gt;&#160;&lt;/span&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"&gt;with the financial statements included in our Annual Report on Form 10-K for the year ended December 31, 2017 on file with the SEC.&#160;&#160;In our opinion, the condensed consolidated financial statements are a fair presentation of the financial position, results of operations and cash flows for the periods presented.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt;line-height:120%;text-align:justify;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"&gt;The results of operations for the three and&#160;six months ended June 30, 2018 are not necessarily indicative of the results of operations to be expected for the full fiscal year ending December 31, 2018.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;margin-bottom:10pt;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-style:italic;font-weight:700;line-height:120%;vertical-align:bottom;"&gt;Revenue Recognition Policy&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt;line-height:120%;text-align:justify;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"&gt;The Company adopted ASC 606, Revenue from Contracts with Customers ("ASC 606") on January 1, 2018.&#160;As a result,&#160;the&#160;Company has changed its accounting policy for revenue recognition&#160;as detailed&#160;below.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt;line-height:120%;text-align:justify;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"&gt;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt;line-height:120%;text-align:justify;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"&gt;The Company applied ASC 606 using the cumulative effect method. We had no significant changes in our recognition of revenue at adoption and our review of all open revenue from contracts with customers on January 1, 2018 indicated we had no adjustment to be made. If an adjustment had been needed, we would have recognized the cumulative effect of initially applying ASC 606 with an adjustment to the opening balance of equity at January 1, 2018. Therefore, our consolidated financial statements for 2017 reported under ASC 605 are comparable to the consolidated financial statements for 2018 reported under ASC 606, since an adjustment was not needed, except for the respective additional disclosures as detailed below.&#160;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt;line-height:120%;"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt;line-height:120%;text-align:justify;margin-bottom:10pt;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"&gt;Revenue is measured based on a consideration specified in a customer&#x2019;s contract, excluding any sale incentives and taxes collected on behalf of third parties (i.e. sales and property taxes).  We recognize revenue once a performance obligation has been satisfied and control over a product or service has transferred to the customer. Shipping and handling costs incurred are accounted for as fulfillment costs and are included in cost of revenues in our condensed consolidated income statement. &lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;text-align:justify;margin-bottom:10pt;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-style:italic;line-height:120%;vertical-align:bottom;"&gt;Nature of goods and Services&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt;line-height:120%;text-align:justify;margin-bottom:10pt;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"&gt;The following is a description of principal activities from which the Company generates its revenue: &lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;text-align:justify;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-style:italic;line-height:120%;vertical-align:bottom;"&gt;Rental Revenue. &lt;/span&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"&gt;The Company generates revenue from renting compressors and flare systems to our customers. These contracts may also include a fee for servicing the compressor or flare during the rental contract. Our rental contracts range from six to twenty-four months, with revenue being recognized over time, in equal payments over the term of the contract. After the terms of the contract have expired,&#160;a&#160;customer may renew their contract or continue renting on a monthly basis thereafter. In accordance with generally accepted accounting principles, the revenue earned from servicing rental equipment is recognized in accordance with ASC 606&lt;/span&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-style:italic;line-height:120%;vertical-align:bottom;"&gt;, &lt;/span&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"&gt;while the revenue earned from the rental of the equipment is recognized in accordance with&lt;/span&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-style:italic;line-height:120%;vertical-align:bottom;"&gt;&#160;&lt;/span&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"&gt;ASC 840 &lt;/span&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-style:italic;line-height:120%;vertical-align:bottom;"&gt;- Leases&lt;/span&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"&gt;. &lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:36pt;line-height:120%;text-align:justify;"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;text-align:justify;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-style:italic;line-height:120%;vertical-align:bottom;"&gt;Sales Revenue.&lt;/span&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"&gt; The Company generates revenue by the sale of custom/fabricated compressors, flare systems and parts, as well as, exchange/rebuilding customer owned compressors and sale of used rental equipment. &lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;text-align:justify;"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt;line-height:120%;text-align:justify;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"&gt;Custom/fabricated compressors and flare systems - The Company designs and fabricates compressors and flares based on the customer&#x2019;s specifications outlined in their contract. Though the equipment being built is customized by the customer, &lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;text-align:justify;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"&gt;control under these contracts does not pass to the customer until the compressor or flare package is complete and shipped, or in accordance with a bill and hold arrangements the customer accepts title and assumes the risk and rewards of ownership. We request some of our customers to make progressive payments as the product is being built; these payments are recorded as a contract liability on the Deferred Income line on the condensed consolidated balance sheet until control has been transferred. These contracts also may include an assurance warranty clause to guarantee the product is free from defects in material and workmanship for a set duration of time; this is a standard industry practice and is not considered a performance obligation. &lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:72pt;line-height:120%;text-align:justify;"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt;line-height:120%;text-align:justify;margin-bottom:10pt;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"&gt;From time to time, upon the customer&#x2019;s written request, we recognize revenue when manufacturing is complete and the equipment is ready for shipment. At the customer&#x2019;s request, we will bill the customer upon completing all performance obligations, but before shipment. The customer will formally request we ship the equipment per their direction from our manufacturing facility at a later specified date and that we segregate the equipment from our finished goods, such that they are not available to fill other orders. Per the customer&#x2019;s agreement&#160;change of control is passed to the customer once the equipment is complete and ready for shipment. We have operated using bill and hold agreements with certain customers for many years, with consistent satisfactory results for both the customer and us. The credit terms on these agreements are consistent with the credit terms on all other sales. All control&#160;shouldered by the customer, and there are no exceptions to the customer&#x2019;s commitment to accept and pay for the manufactured equipment. Revenues recognized at the completion of manufacturing for the six months ended June 30, 2018 was approximately&#160;$6.3 million.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt;line-height:120%;text-align:justify;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"&gt;Parts&lt;/span&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-style:italic;line-height:120%;vertical-align:bottom;"&gt; - &lt;/span&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"&gt;Revenue is recognized after the customer obtains control of the parts. Control is passed either by the customer taking physical possession or the parts being shipped. The amount of revenue recognized is not adjusted for expected returns, as our historical part returns have been de minimis. &lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt;line-height:120%;text-align:justify;"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt;line-height:120%;text-align:justify;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"&gt;Exchange or rebuilding customer owned compressors - Based on the contract, the Company will either exchange a new/rebuilt compressor for the customer&#x2019;s malfunctioning compressor or rebuild the customer&#x2019;s compressor. Revenue is recognized after control of the replacement compressor has transferred to the customer by physical delivery, delivery and installment or shipment of the compressor.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt;line-height:120%;text-align:justify;"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt;line-height:120%;text-align:justify;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"&gt;Used compressors or flares - From time to time, a customer may request to purchase a used compressor or flare out of our rental fleet. Revenue from the sale of rental equipment is recognized when the control has passed to the customer, when the customer has taken physical possession or the equipment has been shipped.&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:72pt;line-height:120%;text-align:justify;"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;text-align:justify;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-style:italic;line-height:120%;vertical-align:bottom;"&gt;Service and Maintenance Revenue&lt;/span&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"&gt;. The Company provides routine or call-out services on customer owned equipment. Revenue is recognized after services in the contract are rendered. &lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt;line-height:120%;text-align:justify;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"&gt;Payment terms for sales revenue and service and maintenance revenue discussed above are generally 30 to 60 days although terms for specific customers can vary. Also, the transaction prices are not subject to variable consideration constraints.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-style:italic;font-weight:700;line-height:120%;vertical-align:bottom;"&gt;Disaggregation of Revenue&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;text-align:justify;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"&gt;The following table shows the Company's revenue disaggregated by product or service type for the three and six months ended June 30, 2018 and 2017:&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;text-align:justify;"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;text-align:center;"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:center;"&gt;&lt;table style="margin-left:auto;margin-right:auto;border-collapse:collapse;text-align:left;text-indent:0pt;display:inline-table;width:99.990000%;"&gt;&lt;tr&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:32.210526%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:10.134503%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:4.432749%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:12.181287%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:1.508772%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:9.695906%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:4.140351%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:9.695906%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="height:21pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="9" style="padding-top:2px;padding-bottom:2px;height:21pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;div style="line-height:100%;text-align:center;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;"&gt;Three months ended June 30,&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="height:21pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="9" style="padding-top:2px;padding-bottom:2px;height:21pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;div style="line-height:100%;text-align:center;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;"&gt;Six months ended June 30,&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="9" style="padding-top:2px;padding-bottom:2px;height:15pt;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-style:italic;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;(in thousands)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="9" style="padding-top:2px;padding-bottom:2px;height:15pt;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-style:italic;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;(in thousands)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;2018&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;2017&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;2018&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;2017&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Compressors - sales&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;4,735&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;2,980&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;6,564&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;8,620&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Flares - sales&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;969&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;562&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;1,491&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;831&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Other (Parts/Rebuilds) - sales&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;679&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;866&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;1,326&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;1,593&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;div style="line-height:100%;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;"&gt;Service and maintenance &lt;/span&gt;&lt;sup style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:6.5pt;font-weight:400;line-height:100%;vertical-align:bottom;vertical-align:top;"&gt;1&lt;/sup&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;4,964&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;4,959&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;9,801&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;10,075&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Total revenue from contracts with customers&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;11,347&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;9,367&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;19,182&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;21,119&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Add: non-ASC 606 rental revenue&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;6,857&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;6,851&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;13,740&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;14,001&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Total revenue&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;18,204&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;16,218&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;32,922&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;35,120&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div style="line-height:120%;text-align:center;"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;text-align:justify;"&gt;&lt;sup style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:6.5pt;line-height:120%;vertical-align:bottom;vertical-align:top;"&gt;1&lt;/sup&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"&gt;Service and maintenance includes revenue from servicing our own rental equipment contracted to customers and third party equipment.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-style:italic;font-weight:700;line-height:120%;vertical-align:bottom;"&gt;Contract Balances&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:108pt;line-height:120%;"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt;line-height:120%;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"&gt;As of June 30, 2018 and December 31, 2017, we had the following receivables and deferred income from contracts with customers:&#160;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:18pt;line-height:120%;"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;text-align:center;"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:center;"&gt;&lt;table style="margin-left:auto;margin-right:auto;border-collapse:collapse;text-align:left;text-indent:0pt;display:inline-table;width:99.561404%;"&gt;&lt;tr&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:62.317181%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:14.593245%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:2.296329%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:14.593245%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;June 30, 2018&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;December 31, 2017&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="9" style="padding-top:2px;padding-bottom:2px;height:15pt;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-style:italic;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;(in thousands)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Accounts Receivable&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;padding-right:1pt;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#ffffff;text-align:left;vertical-align:bottom;padding-left:18pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Accounts receivable - contracts with customers&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;7,001&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;5,454&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:18pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Accounts receivable - non-ASC 606&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;2,817&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;3,649&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#ffffff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Total Accounts Receivable&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;9,818&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;9,103&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Less:Allowance for doubtful accounts&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;(443)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;(569)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#ffffff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Total Accounts Receivable, net&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;9,375&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;8,534&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="height:15pt;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="height:15pt;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:3pt double #000000;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="height:15pt;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:3pt double #000000;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="height:15pt;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:3pt double #000000;padding-left:1pt;padding-right:1pt;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#ffffff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Deferred income&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-bottom:3pt double #000000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-bottom:3pt double #000000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;487&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-bottom:3pt double #000000;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-bottom:3pt double #000000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-bottom:3pt double #000000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;185&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div style="line-height:120%;text-align:center;"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt;line-height:120%;text-align:justify;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"&gt;The Company did not&#160;recognize any revenue for the period ended June 30, 2018 that were included in deferred income at the beginning of 2018. For the period ended December 31, 2017, the Company recognized revenue of $1.9 million from amounts related to sales that were included in deferred income at the beginning of 2017.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt;line-height:120%;text-align:justify;"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt;line-height:120%;text-align:justify;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"&gt;The increases (decreases) of accounts receivable and deferred income were primarily due to normal timing differences between our performance and the customers&#x2019; payments.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;text-align:justify;"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;text-align:justify;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-style:italic;font-weight:700;line-height:120%;vertical-align:bottom;"&gt;Transaction Price Allocated to the Remaining Performance Obligations&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:72pt;line-height:120%;text-align:justify;"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt;line-height:120%;text-align:justify;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"&gt;The following table includes estimated revenue expected to be recognized in the future related to performance obligations that are unsatisfied (or partially unsatisfied) at the end of the reporting period:&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;text-align:center;"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:center;"&gt;&lt;table style="margin-left:auto;margin-right:auto;border-collapse:collapse;text-align:left;text-indent:0pt;display:inline-table;width:99.415205%;"&gt;&lt;tr&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:37.117647%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:8.147059%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:8.147059%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:8.147059%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:8.147059%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:8.147059%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:8.147059%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-style:italic;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;(in thousands)&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;div style="line-height:100%;text-align:center;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;"&gt;2019&lt;/span&gt;&lt;sup style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:6.5pt;font-weight:400;line-height:100%;vertical-align:bottom;vertical-align:top;"&gt;(1)&lt;/sup&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;2020&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;2021&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;2022&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;2023&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Total&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Service and Maintenance&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;750&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;1,173&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;1,085&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;1,085&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;145&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;4,238&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div style="line-height:120%;text-align:center;"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt;line-height:120%;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"&gt;(1) For the six months starting July 2019.&#160;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt;line-height:120%;"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt;line-height:120%;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"&gt;All consideration from contracts with customers is included in the amounts presented above. &#160;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt;line-height:120%;"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt;line-height:120%;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"&gt;The Company applies the practical expedient in ASC 606-10-50-14 and does not disclose information about remaining performance obligations that have original expected durations of one year or less. &#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt;line-height:120%;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"&gt;The Company applies the transition practical expedient in ASC 606-10-65-1(f)(3) and does not disclose the amount of the transaction price allocated to the remaining performance obligations and an explanation of when the Company expects to recognize that amount as revenue for 2018.&#160;&#160;&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-style:italic;font-weight:700;line-height:120%;vertical-align:bottom;"&gt;Contract Costs&lt;/span&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:90pt;line-height:120%;text-align:justify;"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt;line-height:120%;text-align:justify;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"&gt;The Company applies the practical expedient in ASC 340-40-25-4 and recognizes the incremental costs of obtaining contracts as an expense when incurred if the amortization period of the assets that the Company otherwise would have recognized is one year or less. These costs are included in selling, general and administrative expense on our consolidated income statement. &lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;text-align:justify;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-style:italic;font-weight:700;line-height:120%;vertical-align:bottom;"&gt;Fair Value of Financial Instruments&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt;line-height:120%;text-align:justify;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"&gt;Our financial instruments consist principally of cash and cash equivalents, accounts receivable, accounts payable, deferred compensation plan (cash portion) and our line of credit.  Pursuant to ASC 820 (Accounting Standards Codification), the fair value of our cash equivalents is determined based on &#x201c;Level 1&#x201d; inputs, which consist of quoted prices in active markets for identical assets.  We believe that the recorded values of all of our other financial instruments approximate their fair values because of their nature and relatively short maturity dates or durations.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt;line-height:120%;text-align:justify;"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:174%;text-align:justify;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-style:italic;font-weight:700;line-height:174%;vertical-align:bottom;"&gt;Income Taxes&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:174%;text-align:justify;"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt;line-height:120%;text-align:justify;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"&gt;Deferred tax assets and liabilities are recognized for the future tax consequences attributable to temporary differences between the financial statement carrying amounts of assets and liabilities and their respective tax bases, and operating losses and tax credit carry-forwards.&#160;&#160;Deferred tax assets and liabilities are measured using enacted tax rates expected to apply to taxable income in the years in which those temporary differences are expected to be recovered or settled.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:45pt;line-height:120%;text-align:justify;"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt;line-height:120%;text-align:justify;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"&gt;ASC Topic 740 prescribes a recognition threshold and measurement attribute for the financial statement recognition and measurement of a tax position taken or expected to be taken in a tax return. In order to record any financial statement benefit, we are required to determine, based on technical merits of the position, whether it is more likely than not (a likelihood of more than 50 percent) that a tax position will be sustained upon examination, including resolution of any related appeals or litigation processes. If that step is satisfied, then we must measure the tax position to determine the amount of benefit to recognize in the financial statements. The tax position is measured at the largest amount of the benefit that is greater than 50 percent likely of being realized upon ultimate settlement. We have no uncertain tax positions as of June 30, 2018. &lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt;line-height:120%;text-align:justify;"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt;line-height:120%;text-align:justify;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"&gt;Our policy regarding income tax interest and penalties is to expense those items as other expense.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt;line-height:120%;text-align:justify;"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt;line-height:120%;text-align:justify;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"&gt;On December&#160;22, 2017, the U.S. government enacted comprehensive tax legislation commonly referred to as the Tax Cuts and Jobs Act (the &#x201c;2017 Tax Act&#x201d;), which makes broad and complex changes to the U.S. tax code. Certain income tax effects of the 2017 Tax Act are reflected in the Company&#x2019;s financial results in accordance with Staff Accounting Bulletin No.&#160;118 (&#x201c;SAB 118&#x201d;), which provides SEC staff guidance regarding the application of Accounting Standards Codification Topic 740 Income Taxes (&#x201c;ASC 740&#x201d;). As we do not have all of the necessary information to analyze all income tax effects of the 2017 Tax Act, we will continue to evaluate tax reform and adjust the provisional amounts as additional information is obtained. We expect to complete our detailed analysis no later than the fourth quarter of 2018. &lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-style:italic;font-weight:700;line-height:120%;vertical-align:bottom;"&gt;Recently Issued Accounting Pronouncements&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt;line-height:120%;text-align:justify;margin-bottom:12pt;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"&gt;On February 25, 2016, the Financial Accounting&#160;Standards Board ("FASB") issued ASU 2016-02, Leases (Topic 842). Under the new guidance, a lessee will be required to recognize assets and liabilities for finance and operating leases with lease terms of more than 12 months. Additionally, this ASU will require disclosures to help investors and other financial statement users better&#160;understand the amount, timing, and uncertainty of cash flows arising from leases, including qualitative and quantitative&#160;requirements. The ASU initially required a modified retrospective transition method where a company applies the new leases standard at the beginning of the earliest period&#160;presented in the&#160;financial&#160;statements, but in July 2018 the FASB issued ASU 2018-11.&#160;ASU 2018-11 added an optional transition method where a company applies the new leases standard at the adoption date and recognizes a cumulative effect adjustment to the opening balance of retained earnings. For public business entities, the amendments are effective for fiscal years beginning after December 15, 2018, including interim periods within those fiscal years, with early adoption permitted. The new standard will be effective during our first quarter ending March 31, 2019. We are in the process of reviewing our leases and evaluating what impact the new standard will have on our accounting policies, internal controls and condensed consolidated balance sheet. We expect there&#160;will be an increase in assets and liabilities on the condensed&#160;consolidated balance sheets at adoption due to recording the right-of-use assets and corresponding&#160;lease liabilities, but do not believe this to be a significant&#160;impact  at this time. We also expect an&#160;increase in our disclosures revolving around leases. We anticipate our review&#160;to be completed in the latter half of 2018.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;text-align:justify;margin-bottom:10pt;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-style:italic;font-weight:700;line-height:120%;vertical-align:bottom;"&gt;Reclassification of Prior Period Balances&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt;line-height:120%;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"&gt;Certain reclassifications have been made to prior period amounts to conform to the current-year presentation. These&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"&gt;reclassifications had no effect on the reported results of operations.&lt;/span&gt;&lt;/div&gt;</us-gaap:BasisOfPresentationAndSignificantAccountingPoliciesTextBlock>
    <us-gaap:BasisOfAccountingPolicyPolicyTextBlock
      contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMzkvZnJhZzoxYTRmYTQzY2FlMjQ0ZmY1YmI1NTA0OGU4MmUwNDI5OC90ZXh0cmVnaW9uOjFhNGZhNDNjYWUyNDRmZjViYjU1MDQ4ZTgyZTA0Mjk4XzU0OTc1NTgxNTM2Njk_ddd806eb-008c-43e7-9483-a72dfe261980">&lt;div style="text-indent:36pt;line-height:120%;text-align:justify;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"&gt;These notes apply to the unaudited condensed consolidated financial statements of Natural Gas Services Group, Inc. a Colorado corporation&#160;(the "Company", &#x201c;NGSG&#x201d;, "Natural Gas Services Group", "we" or "our").&#160;&#160;The accompanying unaudited condensed consolidated financial statements include the accounts of the Company, its subsidiary, NGSG Properties, LLC and the rabbi trust associated with the Company's deferred compensations plan, see Note 4. All significant intercompany accounts and transactions for the periods presented have been eliminated in consolidation.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt;line-height:120%;text-align:justify;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"&gt;These&#160;financial statements include all adjustments, consisting of only normal recurring adjustments, which are necessary to make our financial position at June 30, 2018 and the results of our operations for the three and six months ended June 30, 2018 and 2017 not misleading.&#160;As permitted by the rules and regulations of the Securities and Exchange Commission (SEC), the accompanying condensed consolidated financial statements do not include all disclosures normally required by generally accepted accounting principles in the United States of America (GAAP).&#160;These financial statements should be read in conjunction&lt;/span&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:700;line-height:120%;vertical-align:bottom;"&gt;&#160;&lt;/span&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"&gt;with the financial statements included in our Annual Report on Form 10-K for the year ended December 31, 2017 on file with the SEC.&#160;&#160;In our opinion, the condensed consolidated financial statements are a fair presentation of the financial position, results of operations and cash flows for the periods presented.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt;line-height:120%;text-align:justify;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"&gt;The results of operations for the three and&#160;six months ended June 30, 2018 are not necessarily indicative of the results of operations to be expected for the full fiscal year ending December 31, 2018.&lt;/span&gt;&lt;/div&gt;</us-gaap:BasisOfAccountingPolicyPolicyTextBlock>
    <ngs:RevenueFromContractWithCustomerPolicyTextBlock
      contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMzkvZnJhZzoxYTRmYTQzY2FlMjQ0ZmY1YmI1NTA0OGU4MmUwNDI5OC90ZXh0cmVnaW9uOjFhNGZhNDNjYWUyNDRmZjViYjU1MDQ4ZTgyZTA0Mjk4XzU0OTc1NTgxNTM2NzA_f0df2934-3c18-4365-9ad8-21179d3615e6">&lt;div style="line-height:120%;margin-bottom:10pt;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-style:italic;font-weight:700;line-height:120%;vertical-align:bottom;"&gt;Revenue Recognition Policy&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt;line-height:120%;text-align:justify;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"&gt;The Company adopted ASC 606, Revenue from Contracts with Customers ("ASC 606") on January 1, 2018.&#160;As a result,&#160;the&#160;Company has changed its accounting policy for revenue recognition&#160;as detailed&#160;below.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt;line-height:120%;text-align:justify;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"&gt;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt;line-height:120%;text-align:justify;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"&gt;The Company applied ASC 606 using the cumulative effect method. We had no significant changes in our recognition of revenue at adoption and our review of all open revenue from contracts with customers on January 1, 2018 indicated we had no adjustment to be made. If an adjustment had been needed, we would have recognized the cumulative effect of initially applying ASC 606 with an adjustment to the opening balance of equity at January 1, 2018. Therefore, our consolidated financial statements for 2017 reported under ASC 605 are comparable to the consolidated financial statements for 2018 reported under ASC 606, since an adjustment was not needed, except for the respective additional disclosures as detailed below.&#160;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt;line-height:120%;"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt;line-height:120%;text-align:justify;margin-bottom:10pt;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"&gt;Revenue is measured based on a consideration specified in a customer&#x2019;s contract, excluding any sale incentives and taxes collected on behalf of third parties (i.e. sales and property taxes).  We recognize revenue once a performance obligation has been satisfied and control over a product or service has transferred to the customer. Shipping and handling costs incurred are accounted for as fulfillment costs and are included in cost of revenues in our condensed consolidated income statement. &lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;text-align:justify;margin-bottom:10pt;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-style:italic;line-height:120%;vertical-align:bottom;"&gt;Nature of goods and Services&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt;line-height:120%;text-align:justify;margin-bottom:10pt;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"&gt;The following is a description of principal activities from which the Company generates its revenue: &lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;text-align:justify;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-style:italic;line-height:120%;vertical-align:bottom;"&gt;Rental Revenue. &lt;/span&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"&gt;The Company generates revenue from renting compressors and flare systems to our customers. These contracts may also include a fee for servicing the compressor or flare during the rental contract. Our rental contracts range from six to twenty-four months, with revenue being recognized over time, in equal payments over the term of the contract. After the terms of the contract have expired,&#160;a&#160;customer may renew their contract or continue renting on a monthly basis thereafter. In accordance with generally accepted accounting principles, the revenue earned from servicing rental equipment is recognized in accordance with ASC 606&lt;/span&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-style:italic;line-height:120%;vertical-align:bottom;"&gt;, &lt;/span&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"&gt;while the revenue earned from the rental of the equipment is recognized in accordance with&lt;/span&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-style:italic;line-height:120%;vertical-align:bottom;"&gt;&#160;&lt;/span&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"&gt;ASC 840 &lt;/span&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-style:italic;line-height:120%;vertical-align:bottom;"&gt;- Leases&lt;/span&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"&gt;. &lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:36pt;line-height:120%;text-align:justify;"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;text-align:justify;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-style:italic;line-height:120%;vertical-align:bottom;"&gt;Sales Revenue.&lt;/span&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"&gt; The Company generates revenue by the sale of custom/fabricated compressors, flare systems and parts, as well as, exchange/rebuilding customer owned compressors and sale of used rental equipment. &lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;text-align:justify;"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt;line-height:120%;text-align:justify;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"&gt;Custom/fabricated compressors and flare systems - The Company designs and fabricates compressors and flares based on the customer&#x2019;s specifications outlined in their contract. Though the equipment being built is customized by the customer, &lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;text-align:justify;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"&gt;control under these contracts does not pass to the customer until the compressor or flare package is complete and shipped, or in accordance with a bill and hold arrangements the customer accepts title and assumes the risk and rewards of ownership. We request some of our customers to make progressive payments as the product is being built; these payments are recorded as a contract liability on the Deferred Income line on the condensed consolidated balance sheet until control has been transferred. These contracts also may include an assurance warranty clause to guarantee the product is free from defects in material and workmanship for a set duration of time; this is a standard industry practice and is not considered a performance obligation. &lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:72pt;line-height:120%;text-align:justify;"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt;line-height:120%;text-align:justify;margin-bottom:10pt;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"&gt;From time to time, upon the customer&#x2019;s written request, we recognize revenue when manufacturing is complete and the equipment is ready for shipment. At the customer&#x2019;s request, we will bill the customer upon completing all performance obligations, but before shipment. The customer will formally request we ship the equipment per their direction from our manufacturing facility at a later specified date and that we segregate the equipment from our finished goods, such that they are not available to fill other orders. Per the customer&#x2019;s agreement&#160;change of control is passed to the customer once the equipment is complete and ready for shipment. We have operated using bill and hold agreements with certain customers for many years, with consistent satisfactory results for both the customer and us. The credit terms on these agreements are consistent with the credit terms on all other sales. All control&#160;shouldered by the customer, and there are no exceptions to the customer&#x2019;s commitment to accept and pay for the manufactured equipment. Revenues recognized at the completion of manufacturing for the six months ended June 30, 2018 was approximately&#160;$6.3 million.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt;line-height:120%;text-align:justify;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"&gt;Parts&lt;/span&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-style:italic;line-height:120%;vertical-align:bottom;"&gt; - &lt;/span&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"&gt;Revenue is recognized after the customer obtains control of the parts. Control is passed either by the customer taking physical possession or the parts being shipped. The amount of revenue recognized is not adjusted for expected returns, as our historical part returns have been de minimis. &lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt;line-height:120%;text-align:justify;"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt;line-height:120%;text-align:justify;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"&gt;Exchange or rebuilding customer owned compressors - Based on the contract, the Company will either exchange a new/rebuilt compressor for the customer&#x2019;s malfunctioning compressor or rebuild the customer&#x2019;s compressor. Revenue is recognized after control of the replacement compressor has transferred to the customer by physical delivery, delivery and installment or shipment of the compressor.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt;line-height:120%;text-align:justify;"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt;line-height:120%;text-align:justify;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"&gt;Used compressors or flares - From time to time, a customer may request to purchase a used compressor or flare out of our rental fleet. Revenue from the sale of rental equipment is recognized when the control has passed to the customer, when the customer has taken physical possession or the equipment has been shipped.&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:72pt;line-height:120%;text-align:justify;"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;text-align:justify;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-style:italic;line-height:120%;vertical-align:bottom;"&gt;Service and Maintenance Revenue&lt;/span&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"&gt;. The Company provides routine or call-out services on customer owned equipment. Revenue is recognized after services in the contract are rendered. &lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt;line-height:120%;text-align:justify;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"&gt;Payment terms for sales revenue and service and maintenance revenue discussed above are generally 30 to 60 days although terms for specific customers can vary. Also, the transaction prices are not subject to variable consideration constraints.&lt;/span&gt;&lt;/div&gt;</ngs:RevenueFromContractWithCustomerPolicyTextBlock>
    <us-gaap:Revenues
      contextRef="i0d22d73a73dc4ecf893e12eaa250ad79_D20180101-20180630"
      decimals="-5"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMzkvZnJhZzoxYTRmYTQzY2FlMjQ0ZmY1YmI1NTA0OGU4MmUwNDI5OC90ZXh0cmVnaW9uOjFhNGZhNDNjYWUyNDRmZjViYjU1MDQ4ZTgyZTA0Mjk4XzI3NDg3NzkwODM4NzA_7542140e-c7a9-42ab-8892-39a25e782948"
      unitRef="usd">6300000</us-gaap:Revenues>
    <us-gaap:DisaggregationOfRevenueTableTextBlock
      contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMzkvZnJhZzoxYTRmYTQzY2FlMjQ0ZmY1YmI1NTA0OGU4MmUwNDI5OC90ZXh0cmVnaW9uOjFhNGZhNDNjYWUyNDRmZjViYjU1MDQ4ZTgyZTA0Mjk4XzYwNDczMTM5Njc1NjI_6e4db4bd-c2ac-4ecc-a2d7-751bbd82560f">&lt;div style="line-height:120%;text-align:justify;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"&gt;The following table shows the Company's revenue disaggregated by product or service type for the three and six months ended June 30, 2018 and 2017:&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;text-align:justify;"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;text-align:center;"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:center;"&gt;&lt;table style="margin-left:auto;margin-right:auto;border-collapse:collapse;text-align:left;text-indent:0pt;display:inline-table;width:99.990000%;"&gt;&lt;tr&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:32.210526%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:10.134503%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:4.432749%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:12.181287%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:1.508772%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:9.695906%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:4.140351%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:9.695906%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="height:21pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="9" style="padding-top:2px;padding-bottom:2px;height:21pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;div style="line-height:100%;text-align:center;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;"&gt;Three months ended June 30,&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="height:21pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="9" style="padding-top:2px;padding-bottom:2px;height:21pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;div style="line-height:100%;text-align:center;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;"&gt;Six months ended June 30,&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="9" style="padding-top:2px;padding-bottom:2px;height:15pt;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-style:italic;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;(in thousands)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="9" style="padding-top:2px;padding-bottom:2px;height:15pt;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-style:italic;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;(in thousands)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;2018&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;2017&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;2018&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;2017&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Compressors - sales&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;4,735&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;2,980&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;6,564&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;8,620&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Flares - sales&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;969&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;562&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;1,491&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;831&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Other (Parts/Rebuilds) - sales&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;679&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;866&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;1,326&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;1,593&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;div style="line-height:100%;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;"&gt;Service and maintenance &lt;/span&gt;&lt;sup style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:6.5pt;font-weight:400;line-height:100%;vertical-align:bottom;vertical-align:top;"&gt;1&lt;/sup&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;4,964&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;4,959&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;9,801&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;10,075&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Total revenue from contracts with customers&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;11,347&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;9,367&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;19,182&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;21,119&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Add: non-ASC 606 rental revenue&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;6,857&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;6,851&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;13,740&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;14,001&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Total revenue&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;18,204&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;16,218&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;32,922&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;35,120&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div style="line-height:120%;text-align:center;"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;text-align:justify;"&gt;&lt;sup style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:6.5pt;line-height:120%;vertical-align:bottom;vertical-align:top;"&gt;1&lt;/sup&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"&gt;Service and maintenance includes revenue from servicing our own rental equipment contracted to customers and third party equipment.&lt;/span&gt;&lt;/div&gt;</us-gaap:DisaggregationOfRevenueTableTextBlock>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="i02d5c9791f114f8998859b349b181455_D20180401-20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMzkvZnJhZzoxYTRmYTQzY2FlMjQ0ZmY1YmI1NTA0OGU4MmUwNDI5OC90YWJsZToyYzAzY2EyOWZjZmY0YTBlYWI1YTQ3YzBjNDE2OTZhNy90YWJsZXJhbmdlOjJjMDNjYTI5ZmNmZjRhMGVhYjVhNDdjMGM0MTY5NmE3XzAxY0FBQUFBd0FBQUFNQUFBQUJBQUFBQVFBQUFBQUFBQlBaQUFBJTNE_9cfc2be6-0407-45b0-8072-7f7fd68e3d9e"
      unitRef="usd">4735000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="iacddec0f3a8645639c4109b9370a1bd1_D20170401-20170630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMzkvZnJhZzoxYTRmYTQzY2FlMjQ0ZmY1YmI1NTA0OGU4MmUwNDI5OC90YWJsZToyYzAzY2EyOWZjZmY0YTBlYWI1YTQ3YzBjNDE2OTZhNy90YWJsZXJhbmdlOjJjMDNjYTI5ZmNmZjRhMGVhYjVhNDdjMGM0MTY5NmE3XzAxYUFBQUFBd0FBQUFNQUFBQURBQUFBQXdBQUFBQUFBQlBpQUFBJTNE_0b50ebc2-c5be-4619-b23e-e5e9b8788599"
      unitRef="usd">2980000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="i220856e3235d4388809f68229baaaccf_D20180101-20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMzkvZnJhZzoxYTRmYTQzY2FlMjQ0ZmY1YmI1NTA0OGU4MmUwNDI5OC90YWJsZToyYzAzY2EyOWZjZmY0YTBlYWI1YTQ3YzBjNDE2OTZhNy90YWJsZXJhbmdlOjJjMDNjYTI5ZmNmZjRhMGVhYjVhNDdjMGM0MTY5NmE3XzAyMzVBQUFBQXdBQUFBTUFBQUFFQUFBQUJBQUFBQUFBQUFrNUFBQSUzRA_53667927-4653-418c-91df-d139ecdce3a1"
      unitRef="usd">6564000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="idf5ae10b8b0f4ae2b8c747e54af0796c_D20170101-20170630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMzkvZnJhZzoxYTRmYTQzY2FlMjQ0ZmY1YmI1NTA0OGU4MmUwNDI5OC90YWJsZToyYzAzY2EyOWZjZmY0YTBlYWI1YTQ3YzBjNDE2OTZhNy90YWJsZXJhbmdlOjJjMDNjYTI5ZmNmZjRhMGVhYjVhNDdjMGM0MTY5NmE3XzAyMzNBQUFBQXdBQUFBTUFBQUFHQUFBQUJnQUFBQUFBQUFsQUFBQSUzRA_43d0710e-7aaa-48ed-99f2-cba8b38a2141"
      unitRef="usd">8620000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="i29fef94ae5d64b178fee6cb2a1476b7f_D20180401-20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMzkvZnJhZzoxYTRmYTQzY2FlMjQ0ZmY1YmI1NTA0OGU4MmUwNDI5OC90YWJsZToyYzAzY2EyOWZjZmY0YTBlYWI1YTQ3YzBjNDE2OTZhNy90YWJsZXJhbmdlOjJjMDNjYTI5ZmNmZjRhMGVhYjVhNDdjMGM0MTY5NmE3XzAyMTFBQUFBQkFBQUFBUUFBQUFCQUFBQUFRQUFBQUFBQUJQYkFBQSUzRA_e3ecb0a7-ff47-4e60-acc0-3364d7660516"
      unitRef="usd">969000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="ic10ba1f40c1b4ea49cf0cf350618ad75_D20170401-20170630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMzkvZnJhZzoxYTRmYTQzY2FlMjQ0ZmY1YmI1NTA0OGU4MmUwNDI5OC90YWJsZToyYzAzY2EyOWZjZmY0YTBlYWI1YTQ3YzBjNDE2OTZhNy90YWJsZXJhbmdlOjJjMDNjYTI5ZmNmZjRhMGVhYjVhNDdjMGM0MTY5NmE3XzAyMWZBQUFBQkFBQUFBUUFBQUFEQUFBQUF3QUFBQUFBQUJQakFBQSUzRA_5f2ffd53-7644-4df4-94d0-daf6449fee55"
      unitRef="usd">562000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="i968c5acc83014e878074a5a269bd735e_D20180101-20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMzkvZnJhZzoxYTRmYTQzY2FlMjQ0ZmY1YmI1NTA0OGU4MmUwNDI5OC90YWJsZToyYzAzY2EyOWZjZmY0YTBlYWI1YTQ3YzBjNDE2OTZhNy90YWJsZXJhbmdlOjJjMDNjYTI5ZmNmZjRhMGVhYjVhNDdjMGM0MTY5NmE3XzAyMjBBQUFBQkFBQUFBUUFBQUFFQUFBQUJBQUFBQUFBQUFrM0FBQSUzRA_91a3fe1d-7098-46ed-936e-a6306824e877"
      unitRef="usd">1491000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="idf71215cb2874a24921a618be03907d1_D20170101-20170630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMzkvZnJhZzoxYTRmYTQzY2FlMjQ0ZmY1YmI1NTA0OGU4MmUwNDI5OC90YWJsZToyYzAzY2EyOWZjZmY0YTBlYWI1YTQ3YzBjNDE2OTZhNy90YWJsZXJhbmdlOjJjMDNjYTI5ZmNmZjRhMGVhYjVhNDdjMGM0MTY5NmE3XzAyMmVBQUFBQkFBQUFBUUFBQUFHQUFBQUJnQUFBQUFBQUFsQkFBQSUzRA_7e524b77-e3dd-4e02-bed8-b7e4be411d8e"
      unitRef="usd">831000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="ief599674ea0446e69b9a0f2b255556cf_D20180401-20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMzkvZnJhZzoxYTRmYTQzY2FlMjQ0ZmY1YmI1NTA0OGU4MmUwNDI5OC90YWJsZToyYzAzY2EyOWZjZmY0YTBlYWI1YTQ3YzBjNDE2OTZhNy90YWJsZXJhbmdlOjJjMDNjYTI5ZmNmZjRhMGVhYjVhNDdjMGM0MTY5NmE3XzAyMTJBQUFBQlFBQUFBVUFBQUFCQUFBQUFRQUFBQUFBQUJQYUFBQSUzRA_54a1e2b3-a328-47d7-9561-0cd753094be8"
      unitRef="usd">679000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="ib528d352f2364c1cafc0346c9fe028bb_D20170401-20170630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMzkvZnJhZzoxYTRmYTQzY2FlMjQ0ZmY1YmI1NTA0OGU4MmUwNDI5OC90YWJsZToyYzAzY2EyOWZjZmY0YTBlYWI1YTQ3YzBjNDE2OTZhNy90YWJsZXJhbmdlOjJjMDNjYTI5ZmNmZjRhMGVhYjVhNDdjMGM0MTY5NmE3XzAyMWNBQUFBQlFBQUFBVUFBQUFEQUFBQUF3QUFBQUFBQUJQaEFBQSUzRA_0d054526-ab6f-41d5-9d88-f05892431a19"
      unitRef="usd">866000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="id12b140a9df2449c8c60b49f0e7a174c_D20180101-20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMzkvZnJhZzoxYTRmYTQzY2FlMjQ0ZmY1YmI1NTA0OGU4MmUwNDI5OC90YWJsZToyYzAzY2EyOWZjZmY0YTBlYWI1YTQ3YzBjNDE2OTZhNy90YWJsZXJhbmdlOjJjMDNjYTI5ZmNmZjRhMGVhYjVhNDdjMGM0MTY5NmE3XzAyMjNBQUFBQlFBQUFBVUFBQUFFQUFBQUJBQUFBQUFBQUFrNEFBQSUzRA_f31d3445-1fcc-4347-b7e3-ba8a40efd9c9"
      unitRef="usd">1326000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="i30e4baac271244aca8c053a7047b8f68_D20170101-20170630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMzkvZnJhZzoxYTRmYTQzY2FlMjQ0ZmY1YmI1NTA0OGU4MmUwNDI5OC90YWJsZToyYzAzY2EyOWZjZmY0YTBlYWI1YTQ3YzBjNDE2OTZhNy90YWJsZXJhbmdlOjJjMDNjYTI5ZmNmZjRhMGVhYjVhNDdjMGM0MTY5NmE3XzAyMmRBQUFBQlFBQUFBVUFBQUFHQUFBQUJnQUFBQUFBQUFrJTJGQUFBJTNE_45c4240b-25c0-453c-b613-8760a2a879f9"
      unitRef="usd">1593000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="i8dd14a6624eb4309a15ccb85a55a83a5_D20180401-20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMzkvZnJhZzoxYTRmYTQzY2FlMjQ0ZmY1YmI1NTA0OGU4MmUwNDI5OC90YWJsZToyYzAzY2EyOWZjZmY0YTBlYWI1YTQ3YzBjNDE2OTZhNy90YWJsZXJhbmdlOjJjMDNjYTI5ZmNmZjRhMGVhYjVhNDdjMGM0MTY5NmE3XzAyMTdBQUFBQmdBQUFBWUFBQUFCQUFBQUFRQUFBQUFBQUJQZEFBQSUzRA_5199762b-6210-479c-8b92-f4a1676abe93"
      unitRef="usd">4964000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="i1b1e2c6c5cb14ddf8221ae4d34792446_D20170401-20170630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMzkvZnJhZzoxYTRmYTQzY2FlMjQ0ZmY1YmI1NTA0OGU4MmUwNDI5OC90YWJsZToyYzAzY2EyOWZjZmY0YTBlYWI1YTQ3YzBjNDE2OTZhNy90YWJsZXJhbmdlOjJjMDNjYTI5ZmNmZjRhMGVhYjVhNDdjMGM0MTY5NmE3XzAyMWJBQUFBQmdBQUFBWUFBQUFEQUFBQUF3QUFBQUFBQUJQa0FBQSUzRA_ce0e3d70-9283-4f28-ae21-47ef57471040"
      unitRef="usd">4959000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="ic4326a21d1654a30a9790fded0c1907d_D20180101-20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMzkvZnJhZzoxYTRmYTQzY2FlMjQ0ZmY1YmI1NTA0OGU4MmUwNDI5OC90YWJsZToyYzAzY2EyOWZjZmY0YTBlYWI1YTQ3YzBjNDE2OTZhNy90YWJsZXJhbmdlOjJjMDNjYTI5ZmNmZjRhMGVhYjVhNDdjMGM0MTY5NmE3XzAyMjRBQUFBQmdBQUFBWUFBQUFFQUFBQUJBQUFBQUFBQUFrNkFBQSUzRA_3d392645-463b-4e8d-84f4-57be2aa369c7"
      unitRef="usd">9801000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="i5622e7a47c5647598f4a7f5c6491fcf5_D20170101-20170630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMzkvZnJhZzoxYTRmYTQzY2FlMjQ0ZmY1YmI1NTA0OGU4MmUwNDI5OC90YWJsZToyYzAzY2EyOWZjZmY0YTBlYWI1YTQ3YzBjNDE2OTZhNy90YWJsZXJhbmdlOjJjMDNjYTI5ZmNmZjRhMGVhYjVhNDdjMGM0MTY5NmE3XzAyMjhBQUFBQmdBQUFBWUFBQUFHQUFBQUJnQUFBQUFBQUFsREFBQSUzRA_dd4b2915-4fe3-44c1-bb63-f72ffc75f52f"
      unitRef="usd">10075000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="i486ae96497a44bee87d62f2f3d814d35_D20180401-20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMzkvZnJhZzoxYTRmYTQzY2FlMjQ0ZmY1YmI1NTA0OGU4MmUwNDI5OC90YWJsZToyYzAzY2EyOWZjZmY0YTBlYWI1YTQ3YzBjNDE2OTZhNy90YWJsZXJhbmdlOjJjMDNjYTI5ZmNmZjRhMGVhYjVhNDdjMGM0MTY5NmE3XzAyMTZBQUFBQndBQUFBY0FBQUFCQUFBQUFRQUFBQUFBQUJQY0FBQSUzRA_b4ea7592-bb32-4f2e-867c-f9e3422bfaf4"
      unitRef="usd">11347000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="i201ed1d2fdd042c0bd171af3de0e4482_D20170401-20170630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMzkvZnJhZzoxYTRmYTQzY2FlMjQ0ZmY1YmI1NTA0OGU4MmUwNDI5OC90YWJsZToyYzAzY2EyOWZjZmY0YTBlYWI1YTQ3YzBjNDE2OTZhNy90YWJsZXJhbmdlOjJjMDNjYTI5ZmNmZjRhMGVhYjVhNDdjMGM0MTY5NmE3XzAyMWFBQUFBQndBQUFBY0FBQUFEQUFBQUF3QUFBQUFBQUJQbUFBQSUzRA_556a39cf-4fd3-4810-8324-892213b26182"
      unitRef="usd">9367000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMzkvZnJhZzoxYTRmYTQzY2FlMjQ0ZmY1YmI1NTA0OGU4MmUwNDI5OC90YWJsZToyYzAzY2EyOWZjZmY0YTBlYWI1YTQ3YzBjNDE2OTZhNy90YWJsZXJhbmdlOjJjMDNjYTI5ZmNmZjRhMGVhYjVhNDdjMGM0MTY5NmE3XzAyMjVBQUFBQndBQUFBY0FBQUFFQUFBQUJBQUFBQUFBQUFrOEFBQSUzRA_598839f6-13f3-4398-96cc-4996c60491de"
      unitRef="usd">19182000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="iae1008ff6a854658ab77be281aab8a0c_D20170101-20170630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMzkvZnJhZzoxYTRmYTQzY2FlMjQ0ZmY1YmI1NTA0OGU4MmUwNDI5OC90YWJsZToyYzAzY2EyOWZjZmY0YTBlYWI1YTQ3YzBjNDE2OTZhNy90YWJsZXJhbmdlOjJjMDNjYTI5ZmNmZjRhMGVhYjVhNDdjMGM0MTY5NmE3XzAyMjlBQUFBQndBQUFBY0FBQUFHQUFBQUJnQUFBQUFBQUFsQ0FBQSUzRA_d7a7a29e-96fa-415b-859b-aa7c9512eb8a"
      unitRef="usd">21119000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RentalIncomeNonoperating
      contextRef="i486ae96497a44bee87d62f2f3d814d35_D20180401-20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMzkvZnJhZzoxYTRmYTQzY2FlMjQ0ZmY1YmI1NTA0OGU4MmUwNDI5OC90YWJsZToyYzAzY2EyOWZjZmY0YTBlYWI1YTQ3YzBjNDE2OTZhNy90YWJsZXJhbmdlOjJjMDNjYTI5ZmNmZjRhMGVhYjVhNDdjMGM0MTY5NmE3XzAyZTlBQUFBQ0FBQUFBZ0FBQUFCQUFBQUFRQUFBQUFBQUJQZUFBQSUzRA_7c2df137-07fb-4d8c-a684-9000ebb56728"
      unitRef="usd">6857000</us-gaap:RentalIncomeNonoperating>
    <us-gaap:RentalIncomeNonoperating
      contextRef="i201ed1d2fdd042c0bd171af3de0e4482_D20170401-20170630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMzkvZnJhZzoxYTRmYTQzY2FlMjQ0ZmY1YmI1NTA0OGU4MmUwNDI5OC90YWJsZToyYzAzY2EyOWZjZmY0YTBlYWI1YTQ3YzBjNDE2OTZhNy90YWJsZXJhbmdlOjJjMDNjYTI5ZmNmZjRhMGVhYjVhNDdjMGM0MTY5NmE3XzAyZTVBQUFBQ0FBQUFBZ0FBQUFEQUFBQUF3QUFBQUFBQUJQbEFBQSUzRA_37c2e7ce-6064-48fa-b104-a5352b4639d8"
      unitRef="usd">6851000</us-gaap:RentalIncomeNonoperating>
    <us-gaap:RentalIncomeNonoperating
      contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMzkvZnJhZzoxYTRmYTQzY2FlMjQ0ZmY1YmI1NTA0OGU4MmUwNDI5OC90YWJsZToyYzAzY2EyOWZjZmY0YTBlYWI1YTQ3YzBjNDE2OTZhNy90YWJsZXJhbmdlOjJjMDNjYTI5ZmNmZjRhMGVhYjVhNDdjMGM0MTY5NmE3XzAyZGFBQUFBQ0FBQUFBZ0FBQUFFQUFBQUJBQUFBQUFBQUFrOUFBQSUzRA_96106b66-3cb2-48fb-9356-9abecb7c7532"
      unitRef="usd">13740000</us-gaap:RentalIncomeNonoperating>
    <us-gaap:RentalIncomeNonoperating
      contextRef="iae1008ff6a854658ab77be281aab8a0c_D20170101-20170630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMzkvZnJhZzoxYTRmYTQzY2FlMjQ0ZmY1YmI1NTA0OGU4MmUwNDI5OC90YWJsZToyYzAzY2EyOWZjZmY0YTBlYWI1YTQ3YzBjNDE2OTZhNy90YWJsZXJhbmdlOjJjMDNjYTI5ZmNmZjRhMGVhYjVhNDdjMGM0MTY5NmE3XzAyZDZBQUFBQ0FBQUFBZ0FBQUFHQUFBQUJnQUFBQUFBQUFsRUFBQSUzRA_53311ca9-11cf-4c3b-9f24-26e615ba21f1"
      unitRef="usd">14001000</us-gaap:RentalIncomeNonoperating>
    <us-gaap:Revenues
      contextRef="i486ae96497a44bee87d62f2f3d814d35_D20180401-20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMzkvZnJhZzoxYTRmYTQzY2FlMjQ0ZmY1YmI1NTA0OGU4MmUwNDI5OC90YWJsZToyYzAzY2EyOWZjZmY0YTBlYWI1YTQ3YzBjNDE2OTZhNy90YWJsZXJhbmdlOjJjMDNjYTI5ZmNmZjRhMGVhYjVhNDdjMGM0MTY5NmE3XzAyZThBQUFBQ1FBQUFBa0FBQUFCQUFBQUFRQUFBQUFBQUJQZkFBQSUzRA_45f3f95a-1961-4f2a-9b17-964a412c5f77"
      unitRef="usd">18204000</us-gaap:Revenues>
    <us-gaap:Revenues
      contextRef="i201ed1d2fdd042c0bd171af3de0e4482_D20170401-20170630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMzkvZnJhZzoxYTRmYTQzY2FlMjQ0ZmY1YmI1NTA0OGU4MmUwNDI5OC90YWJsZToyYzAzY2EyOWZjZmY0YTBlYWI1YTQ3YzBjNDE2OTZhNy90YWJsZXJhbmdlOjJjMDNjYTI5ZmNmZjRhMGVhYjVhNDdjMGM0MTY5NmE3XzAyZTRBQUFBQ1FBQUFBa0FBQUFEQUFBQUF3QUFBQUFBQUJQbkFBQSUzRA_d36ded5e-d422-4696-9166-2bb79cc5608e"
      unitRef="usd">16218000</us-gaap:Revenues>
    <us-gaap:Revenues
      contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMzkvZnJhZzoxYTRmYTQzY2FlMjQ0ZmY1YmI1NTA0OGU4MmUwNDI5OC90YWJsZToyYzAzY2EyOWZjZmY0YTBlYWI1YTQ3YzBjNDE2OTZhNy90YWJsZXJhbmdlOjJjMDNjYTI5ZmNmZjRhMGVhYjVhNDdjMGM0MTY5NmE3XzAyZGJBQUFBQ1FBQUFBa0FBQUFFQUFBQUJBQUFBQUFBQUFrN0FBQSUzRA_62972f9e-07ec-401f-a2bd-789d51e81441"
      unitRef="usd">32922000</us-gaap:Revenues>
    <us-gaap:Revenues
      contextRef="iae1008ff6a854658ab77be281aab8a0c_D20170101-20170630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMzkvZnJhZzoxYTRmYTQzY2FlMjQ0ZmY1YmI1NTA0OGU4MmUwNDI5OC90YWJsZToyYzAzY2EyOWZjZmY0YTBlYWI1YTQ3YzBjNDE2OTZhNy90YWJsZXJhbmdlOjJjMDNjYTI5ZmNmZjRhMGVhYjVhNDdjMGM0MTY5NmE3XzAyZDdBQUFBQ1FBQUFBa0FBQUFHQUFBQUJnQUFBQUFBQUFsRkFBQSUzRA_fa6e432c-fe94-4e81-b686-fa49a7f3ad08"
      unitRef="usd">35120000</us-gaap:Revenues>
    <us-gaap:ContractWithCustomerAssetAndLiabilityTableTextBlock
      contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMzkvZnJhZzoxYTRmYTQzY2FlMjQ0ZmY1YmI1NTA0OGU4MmUwNDI5OC90ZXh0cmVnaW9uOjFhNGZhNDNjYWUyNDRmZjViYjU1MDQ4ZTgyZTA0Mjk4XzYwNDczMTM5Njc1NjM_49445408-7dc2-455c-8ef0-8c53beb029c0">&lt;div style="text-indent:36pt;line-height:120%;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"&gt;As of June 30, 2018 and December 31, 2017, we had the following receivables and deferred income from contracts with customers:&#160;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:18pt;line-height:120%;"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;text-align:center;"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:center;"&gt;&lt;table style="margin-left:auto;margin-right:auto;border-collapse:collapse;text-align:left;text-indent:0pt;display:inline-table;width:99.561404%;"&gt;&lt;tr&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:62.317181%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:14.593245%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:2.296329%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:14.593245%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;June 30, 2018&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;December 31, 2017&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="9" style="padding-top:2px;padding-bottom:2px;height:15pt;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-style:italic;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;(in thousands)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Accounts Receivable&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;padding-right:1pt;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#ffffff;text-align:left;vertical-align:bottom;padding-left:18pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Accounts receivable - contracts with customers&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;7,001&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;5,454&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:18pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Accounts receivable - non-ASC 606&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;2,817&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;3,649&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#ffffff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Total Accounts Receivable&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;9,818&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;9,103&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Less:Allowance for doubtful accounts&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;(443)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;(569)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#ffffff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Total Accounts Receivable, net&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;9,375&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;8,534&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="height:15pt;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="height:15pt;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:3pt double #000000;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="height:15pt;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:3pt double #000000;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="height:15pt;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:3pt double #000000;padding-left:1pt;padding-right:1pt;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#ffffff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Deferred income&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-bottom:3pt double #000000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-bottom:3pt double #000000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;487&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-bottom:3pt double #000000;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-bottom:3pt double #000000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-bottom:3pt double #000000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;185&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;</us-gaap:ContractWithCustomerAssetAndLiabilityTableTextBlock>
    <us-gaap:ContractWithCustomerAssetNetCurrent
      contextRef="i4a0749d860044c61bf1ca42bfa4d1200_I20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMzkvZnJhZzoxYTRmYTQzY2FlMjQ0ZmY1YmI1NTA0OGU4MmUwNDI5OC90YWJsZTpjNWMzMGE5ZWM4YTA0ZTgxYjZlM2NkNDlkZTZhY2FjYi90YWJsZXJhbmdlOmM1YzMwYTllYzhhMDRlODFiNmUzY2Q0OWRlNmFjYWNiXzAxY0FBQUFBd0FBQUFNQUFBQUJBQUFBQVFBQUFBQUFBQWxIQUFBJTNE_8a0a5f9d-4ba1-4a94-b666-b53508a56992"
      unitRef="usd">7001000</us-gaap:ContractWithCustomerAssetNetCurrent>
    <us-gaap:ContractWithCustomerAssetNetCurrent
      contextRef="ic4d3c0da31dc4a6d9e6a956840d0f98c_I20171231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMzkvZnJhZzoxYTRmYTQzY2FlMjQ0ZmY1YmI1NTA0OGU4MmUwNDI5OC90YWJsZTpjNWMzMGE5ZWM4YTA0ZTgxYjZlM2NkNDlkZTZhY2FjYi90YWJsZXJhbmdlOmM1YzMwYTllYzhhMDRlODFiNmUzY2Q0OWRlNmFjYWNiXzAxYUFBQUFBd0FBQUFNQUFBQURBQUFBQXdBQUFBQUFBQWxSQUFBJTNE_23413be3-1c49-4bc8-b55c-65507ed003f4"
      unitRef="usd">5454000</us-gaap:ContractWithCustomerAssetNetCurrent>
    <ngs:AccountsReceivableExcludingContractsWithCustomerAssetCurrent
      contextRef="i4a0749d860044c61bf1ca42bfa4d1200_I20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMzkvZnJhZzoxYTRmYTQzY2FlMjQ0ZmY1YmI1NTA0OGU4MmUwNDI5OC90YWJsZTpjNWMzMGE5ZWM4YTA0ZTgxYjZlM2NkNDlkZTZhY2FjYi90YWJsZXJhbmdlOmM1YzMwYTllYzhhMDRlODFiNmUzY2Q0OWRlNmFjYWNiXzAyMTFBQUFBQkFBQUFBUUFBQUFCQUFBQUFRQUFBQUFBQUJQdkFBQSUzRA_4f253406-e9e9-48cd-a7e6-97d9187e5246"
      unitRef="usd">2817000</ngs:AccountsReceivableExcludingContractsWithCustomerAssetCurrent>
    <ngs:AccountsReceivableExcludingContractsWithCustomerAssetCurrent
      contextRef="ic4d3c0da31dc4a6d9e6a956840d0f98c_I20171231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMzkvZnJhZzoxYTRmYTQzY2FlMjQ0ZmY1YmI1NTA0OGU4MmUwNDI5OC90YWJsZTpjNWMzMGE5ZWM4YTA0ZTgxYjZlM2NkNDlkZTZhY2FjYi90YWJsZXJhbmdlOmM1YzMwYTllYzhhMDRlODFiNmUzY2Q0OWRlNmFjYWNiXzAyMWZBQUFBQkFBQUFBUUFBQUFEQUFBQUF3QUFBQUFBQUJQeEFBQSUzRA_7093bed1-8208-4259-b3dd-bae11c8fb011"
      unitRef="usd">3649000</ngs:AccountsReceivableExcludingContractsWithCustomerAssetCurrent>
    <us-gaap:AccountsReceivableGrossCurrent
      contextRef="i4a0749d860044c61bf1ca42bfa4d1200_I20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMzkvZnJhZzoxYTRmYTQzY2FlMjQ0ZmY1YmI1NTA0OGU4MmUwNDI5OC90YWJsZTpjNWMzMGE5ZWM4YTA0ZTgxYjZlM2NkNDlkZTZhY2FjYi90YWJsZXJhbmdlOmM1YzMwYTllYzhhMDRlODFiNmUzY2Q0OWRlNmFjYWNiXzAyMTJBQUFBQlFBQUFBVUFBQUFCQUFBQUFRQUFBQUFBQUFsSkFBQSUzRA_a465993b-f1bc-4e69-a91f-7c60cad37498"
      unitRef="usd">9818000</us-gaap:AccountsReceivableGrossCurrent>
    <us-gaap:AccountsReceivableGrossCurrent
      contextRef="ic4d3c0da31dc4a6d9e6a956840d0f98c_I20171231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMzkvZnJhZzoxYTRmYTQzY2FlMjQ0ZmY1YmI1NTA0OGU4MmUwNDI5OC90YWJsZTpjNWMzMGE5ZWM4YTA0ZTgxYjZlM2NkNDlkZTZhY2FjYi90YWJsZXJhbmdlOmM1YzMwYTllYzhhMDRlODFiNmUzY2Q0OWRlNmFjYWNiXzAyMWNBQUFBQlFBQUFBVUFBQUFEQUFBQUF3QUFBQUFBQUFsVEFBQSUzRA_f36462c1-34d1-49bc-b366-94cfd870f639"
      unitRef="usd">9103000</us-gaap:AccountsReceivableGrossCurrent>
    <us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent
      contextRef="i4a0749d860044c61bf1ca42bfa4d1200_I20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMzkvZnJhZzoxYTRmYTQzY2FlMjQ0ZmY1YmI1NTA0OGU4MmUwNDI5OC90YWJsZTpjNWMzMGE5ZWM4YTA0ZTgxYjZlM2NkNDlkZTZhY2FjYi90YWJsZXJhbmdlOmM1YzMwYTllYzhhMDRlODFiNmUzY2Q0OWRlNmFjYWNiXzAyMTdBQUFBQmdBQUFBWUFBQUFCQUFBQUFRQUFBQUFBQUFsS0FBQSUzRA_f5183c35-996b-48da-b4c2-deb1b576a779"
      unitRef="usd">443000</us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent>
    <us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent
      contextRef="ic4d3c0da31dc4a6d9e6a956840d0f98c_I20171231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMzkvZnJhZzoxYTRmYTQzY2FlMjQ0ZmY1YmI1NTA0OGU4MmUwNDI5OC90YWJsZTpjNWMzMGE5ZWM4YTA0ZTgxYjZlM2NkNDlkZTZhY2FjYi90YWJsZXJhbmdlOmM1YzMwYTllYzhhMDRlODFiNmUzY2Q0OWRlNmFjYWNiXzAyMWJBQUFBQmdBQUFBWUFBQUFEQUFBQUF3QUFBQUFBQUFsVUFBQSUzRA_af218f69-4af5-483b-a026-82f016f8a603"
      unitRef="usd">569000</us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent>
    <us-gaap:AccountsReceivableNetCurrent
      contextRef="i4a0749d860044c61bf1ca42bfa4d1200_I20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMzkvZnJhZzoxYTRmYTQzY2FlMjQ0ZmY1YmI1NTA0OGU4MmUwNDI5OC90YWJsZTpjNWMzMGE5ZWM4YTA0ZTgxYjZlM2NkNDlkZTZhY2FjYi90YWJsZXJhbmdlOmM1YzMwYTllYzhhMDRlODFiNmUzY2Q0OWRlNmFjYWNiXzAyMTZBQUFBQndBQUFBY0FBQUFCQUFBQUFRQUFBQUFBQUFsTEFBQSUzRA_96bfd2f3-ccda-4ec9-8892-439da204b20a"
      unitRef="usd">9375000</us-gaap:AccountsReceivableNetCurrent>
    <us-gaap:AccountsReceivableNetCurrent
      contextRef="ic4d3c0da31dc4a6d9e6a956840d0f98c_I20171231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMzkvZnJhZzoxYTRmYTQzY2FlMjQ0ZmY1YmI1NTA0OGU4MmUwNDI5OC90YWJsZTpjNWMzMGE5ZWM4YTA0ZTgxYjZlM2NkNDlkZTZhY2FjYi90YWJsZXJhbmdlOmM1YzMwYTllYzhhMDRlODFiNmUzY2Q0OWRlNmFjYWNiXzAyMWFBQUFBQndBQUFBY0FBQUFEQUFBQUF3QUFBQUFBQUFsVkFBQSUzRA_8c653f0b-d820-42f0-9ec3-c403b98fc99b"
      unitRef="usd">8534000</us-gaap:AccountsReceivableNetCurrent>
    <us-gaap:ContractWithCustomerLiabilityCurrent
      contextRef="i4a0749d860044c61bf1ca42bfa4d1200_I20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMzkvZnJhZzoxYTRmYTQzY2FlMjQ0ZmY1YmI1NTA0OGU4MmUwNDI5OC90YWJsZTpjNWMzMGE5ZWM4YTA0ZTgxYjZlM2NkNDlkZTZhY2FjYi90YWJsZXJhbmdlOmM1YzMwYTllYzhhMDRlODFiNmUzY2Q0OWRlNmFjYWNiXzAyZThBQUFBQ1FBQUFBa0FBQUFCQUFBQUFRQUFBQUFBQUFsTkFBQSUzRA_ed020b45-20b8-4fc1-a971-c4c5d1279a63"
      unitRef="usd">487000</us-gaap:ContractWithCustomerLiabilityCurrent>
    <us-gaap:ContractWithCustomerLiabilityCurrent
      contextRef="ic4d3c0da31dc4a6d9e6a956840d0f98c_I20171231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMzkvZnJhZzoxYTRmYTQzY2FlMjQ0ZmY1YmI1NTA0OGU4MmUwNDI5OC90YWJsZTpjNWMzMGE5ZWM4YTA0ZTgxYjZlM2NkNDlkZTZhY2FjYi90YWJsZXJhbmdlOmM1YzMwYTllYzhhMDRlODFiNmUzY2Q0OWRlNmFjYWNiXzAyZTRBQUFBQ1FBQUFBa0FBQUFEQUFBQUF3QUFBQUFBQUFsUEFBQSUzRA_17445983-9c4b-4fbf-b877-868716ee3882"
      unitRef="usd">185000</us-gaap:ContractWithCustomerLiabilityCurrent>
    <us-gaap:ContractWithCustomerLiabilityRevenueRecognized
      contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMzkvZnJhZzoxYTRmYTQzY2FlMjQ0ZmY1YmI1NTA0OGU4MmUwNDI5OC90ZXh0cmVnaW9uOjFhNGZhNDNjYWUyNDRmZjViYjU1MDQ4ZTgyZTA0Mjk4XzU0OTc1NTgyOTA2Mg_726fdcf8-d81e-4e6f-9a27-73c2e8d373c8"
      unitRef="usd">0</us-gaap:ContractWithCustomerLiabilityRevenueRecognized>
    <us-gaap:ContractWithCustomerLiabilityRevenueRecognized
      contextRef="icc50a41eef224f1eaf3b553cb4a66b2d_D20170101-20171231"
      decimals="-5"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMzkvZnJhZzoxYTRmYTQzY2FlMjQ0ZmY1YmI1NTA0OGU4MmUwNDI5OC90ZXh0cmVnaW9uOjFhNGZhNDNjYWUyNDRmZjViYjU1MDQ4ZTgyZTA0Mjk4XzU0OTc1NTgyOTA0NA_130f5824-0be2-4316-9de3-ac38491ad8b8"
      unitRef="usd">1900000</us-gaap:ContractWithCustomerLiabilityRevenueRecognized>
    <us-gaap:RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTableTextBlock
      contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMzkvZnJhZzoxYTRmYTQzY2FlMjQ0ZmY1YmI1NTA0OGU4MmUwNDI5OC90ZXh0cmVnaW9uOjFhNGZhNDNjYWUyNDRmZjViYjU1MDQ4ZTgyZTA0Mjk4XzYwNDczMTM5Njc1NjQ_a3d8d1ed-a26e-48cc-b9c5-a29463933345">&lt;div style="text-indent:36pt;line-height:120%;text-align:justify;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"&gt;The following table includes estimated revenue expected to be recognized in the future related to performance obligations that are unsatisfied (or partially unsatisfied) at the end of the reporting period:&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;text-align:center;"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:center;"&gt;&lt;table style="margin-left:auto;margin-right:auto;border-collapse:collapse;text-align:left;text-indent:0pt;display:inline-table;width:99.415205%;"&gt;&lt;tr&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:37.117647%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:8.147059%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:8.147059%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:8.147059%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:8.147059%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:8.147059%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:8.147059%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-style:italic;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;(in thousands)&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;div style="line-height:100%;text-align:center;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;"&gt;2019&lt;/span&gt;&lt;sup style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:6.5pt;font-weight:400;line-height:100%;vertical-align:bottom;vertical-align:top;"&gt;(1)&lt;/sup&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;2020&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;2021&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;2022&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;2023&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Total&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Service and Maintenance&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;750&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;1,173&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;1,085&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;1,085&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;145&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;4,238&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;(1) For the six months starting July 2019.</us-gaap:RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTableTextBlock>
    <us-gaap:RevenueRemainingPerformanceObligation
      contextRef="i2f0ae5f9e2fc48399f08a04105626c87_I20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMzkvZnJhZzoxYTRmYTQzY2FlMjQ0ZmY1YmI1NTA0OGU4MmUwNDI5OC90YWJsZTpjYWNmZTAxNzhmM2I0NWQ3ODdiYTY0ZDAzYjJjYjIzNC90YWJsZXJhbmdlOmNhY2ZlMDE3OGYzYjQ1ZDc4N2JhNjRkMDNiMmNiMjM0XzAxMkFBQUFBUUFBQUFFQUFBQUJBQUFBQVFBQUFBQUFBQWxhQUFBJTNE_62be9ea0-a41c-48b4-a722-85ae64689e90"
      unitRef="usd">750000</us-gaap:RevenueRemainingPerformanceObligation>
    <us-gaap:RevenueRemainingPerformanceObligation
      contextRef="ia164d1f3c2cd43ab92708fa53e1f7ab5_I20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMzkvZnJhZzoxYTRmYTQzY2FlMjQ0ZmY1YmI1NTA0OGU4MmUwNDI5OC90YWJsZTpjYWNmZTAxNzhmM2I0NWQ3ODdiYTY0ZDAzYjJjYjIzNC90YWJsZXJhbmdlOmNhY2ZlMDE3OGYzYjQ1ZDc4N2JhNjRkMDNiMmNiMjM0XzAxN0FBQUFBUUFBQUFFQUFBQUNBQUFBQWdBQUFBQUFBQWxaQUFBJTNE_91f867e7-4fdb-4afb-b1b1-46c6505c99bc"
      unitRef="usd">1173000</us-gaap:RevenueRemainingPerformanceObligation>
    <us-gaap:RevenueRemainingPerformanceObligation
      contextRef="i7eb5f87d32b14e489c2a19a41d6dbc3d_I20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMzkvZnJhZzoxYTRmYTQzY2FlMjQ0ZmY1YmI1NTA0OGU4MmUwNDI5OC90YWJsZTpjYWNmZTAxNzhmM2I0NWQ3ODdiYTY0ZDAzYjJjYjIzNC90YWJsZXJhbmdlOmNhY2ZlMDE3OGYzYjQ1ZDc4N2JhNjRkMDNiMmNiMjM0XzAxNkFBQUFBUUFBQUFFQUFBQURBQUFBQXdBQUFBQUFBQWxiQUFBJTNE_11c98585-35eb-45df-8c24-6444f4914c63"
      unitRef="usd">1085000</us-gaap:RevenueRemainingPerformanceObligation>
    <us-gaap:RevenueRemainingPerformanceObligation
      contextRef="i65a48b1ceaaf40f283ab3bf5f85a07a2_I20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMzkvZnJhZzoxYTRmYTQzY2FlMjQ0ZmY1YmI1NTA0OGU4MmUwNDI5OC90YWJsZTpjYWNmZTAxNzhmM2I0NWQ3ODdiYTY0ZDAzYjJjYjIzNC90YWJsZXJhbmdlOmNhY2ZlMDE3OGYzYjQ1ZDc4N2JhNjRkMDNiMmNiMjM0XzAyMzlBQUFBQVFBQUFBRUFBQUFFQUFBQUJBQUFBQUFBQUFsZEFBQSUzRA_f03d7cf2-d750-4672-b16a-3de805b0b138"
      unitRef="usd">1085000</us-gaap:RevenueRemainingPerformanceObligation>
    <us-gaap:RevenueRemainingPerformanceObligation
      contextRef="ide7a60d651444069b56bede04e9b292c_I20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMzkvZnJhZzoxYTRmYTQzY2FlMjQ0ZmY1YmI1NTA0OGU4MmUwNDI5OC90YWJsZTpjYWNmZTAxNzhmM2I0NWQ3ODdiYTY0ZDAzYjJjYjIzNC90YWJsZXJhbmdlOmNhY2ZlMDE3OGYzYjQ1ZDc4N2JhNjRkMDNiMmNiMjM0XzAyMzhBQUFBQVFBQUFBRUFBQUFGQUFBQUJRQUFBQUFBQUFsY0FBQSUzRA_d2668fb6-765c-4e89-a3f6-1eade52241fa"
      unitRef="usd">145000</us-gaap:RevenueRemainingPerformanceObligation>
    <us-gaap:RevenueRemainingPerformanceObligation
      contextRef="if7eba40cf62f49c68dd9e9e5802ab3a9_I20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMzkvZnJhZzoxYTRmYTQzY2FlMjQ0ZmY1YmI1NTA0OGU4MmUwNDI5OC90YWJsZTpjYWNmZTAxNzhmM2I0NWQ3ODdiYTY0ZDAzYjJjYjIzNC90YWJsZXJhbmdlOmNhY2ZlMDE3OGYzYjQ1ZDc4N2JhNjRkMDNiMmNiMjM0XzAyM2RBQUFBQVFBQUFBRUFBQUFHQUFBQUJnQUFBQUFBQUFsZUFBQSUzRA_f4573a33-58c7-48de-80c1-8954edc16f21"
      unitRef="usd">4238000</us-gaap:RevenueRemainingPerformanceObligation>
    <ngs:CapitalizedContractCostsPolicyPolicyTextBlock
      contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMzkvZnJhZzoxYTRmYTQzY2FlMjQ0ZmY1YmI1NTA0OGU4MmUwNDI5OC90ZXh0cmVnaW9uOjFhNGZhNDNjYWUyNDRmZjViYjU1MDQ4ZTgyZTA0Mjk4XzU0OTc1NTgxNTQwNDQ_8ef4f860-1448-44af-a626-c00a69680313">&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-style:italic;font-weight:700;line-height:120%;vertical-align:bottom;"&gt;Contract Costs&lt;/span&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"&gt;&#160;&lt;/span&gt;The Company applies the practical expedient in ASC 340-40-25-4 and recognizes the incremental costs of obtaining contracts as an expense when incurred if the amortization period of the assets that the Company otherwise would have recognized is one year or less. These costs are included in selling, general and administrative expense on our consolidated income statement.</ngs:CapitalizedContractCostsPolicyPolicyTextBlock>
    <us-gaap:FairValueOfFinancialInstrumentsPolicy
      contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMzkvZnJhZzoxYTRmYTQzY2FlMjQ0ZmY1YmI1NTA0OGU4MmUwNDI5OC90ZXh0cmVnaW9uOjFhNGZhNDNjYWUyNDRmZjViYjU1MDQ4ZTgyZTA0Mjk4XzU0OTc1NTgxNTM2NzE_0da6aeff-0b6b-41eb-82d2-f96e30aa122d">&lt;div style="line-height:120%;text-align:justify;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-style:italic;font-weight:700;line-height:120%;vertical-align:bottom;"&gt;Fair Value of Financial Instruments&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt;line-height:120%;text-align:justify;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"&gt;Our financial instruments consist principally of cash and cash equivalents, accounts receivable, accounts payable, deferred compensation plan (cash portion) and our line of credit.  Pursuant to ASC 820 (Accounting Standards Codification), the fair value of our cash equivalents is determined based on &#x201c;Level 1&#x201d; inputs, which consist of quoted prices in active markets for identical assets.  We believe that the recorded values of all of our other financial instruments approximate their fair values because of their nature and relatively short maturity dates or durations.&lt;/span&gt;&lt;/div&gt;</us-gaap:FairValueOfFinancialInstrumentsPolicy>
    <us-gaap:NewAccountingPronouncementsPolicyPolicyTextBlock
      contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMzkvZnJhZzoxYTRmYTQzY2FlMjQ0ZmY1YmI1NTA0OGU4MmUwNDI5OC90ZXh0cmVnaW9uOjFhNGZhNDNjYWUyNDRmZjViYjU1MDQ4ZTgyZTA0Mjk4XzU0OTc1NTgxNTM2NzI_48c2eaec-20d9-4f60-a764-28b5729c80dc">&lt;div style="line-height:120%;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-style:italic;font-weight:700;line-height:120%;vertical-align:bottom;"&gt;Recently Issued Accounting Pronouncements&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt;line-height:120%;text-align:justify;margin-bottom:12pt;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"&gt;On February 25, 2016, the Financial Accounting&#160;Standards Board ("FASB") issued ASU 2016-02, Leases (Topic 842). Under the new guidance, a lessee will be required to recognize assets and liabilities for finance and operating leases with lease terms of more than 12 months. Additionally, this ASU will require disclosures to help investors and other financial statement users better&#160;understand the amount, timing, and uncertainty of cash flows arising from leases, including qualitative and quantitative&#160;requirements. The ASU initially required a modified retrospective transition method where a company applies the new leases standard at the beginning of the earliest period&#160;presented in the&#160;financial&#160;statements, but in July 2018 the FASB issued ASU 2018-11.&#160;ASU 2018-11 added an optional transition method where a company applies the new leases standard at the adoption date and recognizes a cumulative effect adjustment to the opening balance of retained earnings. For public business entities, the amendments are effective for fiscal years beginning after December 15, 2018, including interim periods within those fiscal years, with early adoption permitted. The new standard will be effective during our first quarter ending March 31, 2019. We are in the process of reviewing our leases and evaluating what impact the new standard will have on our accounting policies, internal controls and condensed consolidated balance sheet. We expect there&#160;will be an increase in assets and liabilities on the condensed&#160;consolidated balance sheets at adoption due to recording the right-of-use assets and corresponding&#160;lease liabilities, but do not believe this to be a significant&#160;impact  at this time. We also expect an&#160;increase in our disclosures revolving around leases. We anticipate our review&#160;to be completed in the latter half of 2018.&lt;/span&gt;&lt;/div&gt;</us-gaap:NewAccountingPronouncementsPolicyPolicyTextBlock>
    <us-gaap:PriorPeriodReclassificationAdjustmentDescription
      contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xMzkvZnJhZzoxYTRmYTQzY2FlMjQ0ZmY1YmI1NTA0OGU4MmUwNDI5OC90ZXh0cmVnaW9uOjFhNGZhNDNjYWUyNDRmZjViYjU1MDQ4ZTgyZTA0Mjk4XzU0OTc1NTgxNTQwMTk_87a617e1-f39c-4821-9da2-9941db68fdad">&lt;div style="line-height:120%;text-align:justify;margin-bottom:10pt;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-style:italic;font-weight:700;line-height:120%;vertical-align:bottom;"&gt;Reclassification of Prior Period Balances&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt;line-height:120%;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"&gt;Certain reclassifications have been made to prior period amounts to conform to the current-year presentation. These&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"&gt;reclassifications had no effect on the reported results of operations.&lt;/span&gt;&lt;/div&gt;</us-gaap:PriorPeriodReclassificationAdjustmentDescription>
    <us-gaap:DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock
      contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90ZXh0cmVnaW9uOmYwZTE1OWEwNjBhMDRkMmFiNjRhMWU2OGUyZWI0MDY1XzU0OTc1NTgxNDE2NjE_88c35cc5-990a-4847-93f1-4dc64b6bdbde">Stock-Based Compensation&lt;div style="text-indent:36pt;line-height:120%;text-align:justify;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-style:italic;line-height:120%;vertical-align:bottom;"&gt;Stock Options:&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt;line-height:120%;text-align:justify;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"&gt;A summary of option activity under our 1998 Stock Option Plan  as  of December 31, 2017, and changes during the six months ended&#160;June 30, 2018 is presented below.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;table style="margin-left:auto;margin-right:auto;border-collapse:collapse;text-align:left;text-indent:0pt;display:inline-table;width:99.269006%;"&gt;&lt;tr&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:45.128130%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:10.665685%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:0.1%;"/&gt;&lt;td style="width:0.536377%;"/&gt;&lt;td style="width:0.1%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:10.665685%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:0.1%;"/&gt;&lt;td style="width:0.536377%;"/&gt;&lt;td style="width:0.1%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:10.665685%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:0.1%;"/&gt;&lt;td style="width:0.536377%;"/&gt;&lt;td style="width:0.1%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:10.665685%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;div style="line-height:100%;text-align:center;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;"&gt;Number&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:100%;text-align:center;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;"&gt;&#160;of&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:100%;text-align:center;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;"&gt;Stock Options&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;div style="line-height:100%;text-align:center;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;"&gt;Weighted Average&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:100%;text-align:center;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;"&gt;Exercise&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:100%;text-align:center;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;"&gt;&#160;Price&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;div style="line-height:100%;text-align:center;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;"&gt;Weighted&#160;&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:100%;text-align:center;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;"&gt;Average&#160;&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:100%;text-align:center;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;"&gt;Remaining&#160;&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:100%;text-align:center;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;"&gt;Contractual Life (years)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;div style="line-height:100%;text-align:center;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;"&gt;Aggregate&#160;&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:100%;text-align:center;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;"&gt;Intrinsic&#160;&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:100%;text-align:center;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;"&gt;Value&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:100%;text-align:center;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-style:italic;font-weight:400;line-height:100%;vertical-align:bottom;"&gt;(in thousands)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:12pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Outstanding, December 31, 2017&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;327,270&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;20.21&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;4.28&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;2,255&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:12pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Exercised&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;(8,500)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;18.51&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;86&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:12pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Canceled/Forfeited&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;(500)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;28.15&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:12pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Outstanding, June 30, 2018&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;318,270&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;20.24&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;3.82&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;1,579&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:12pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Exercisable, June 30, 2018&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;296,738&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;19.67&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;3.47&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;1,579&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div style="line-height:120%;"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;text-align:justify;"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;text-align:justify;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"&gt;The following table summarizes information about our stock options outstanding at June 30, 2018:&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;text-align:justify;"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;table style="margin-left:auto;margin-right:auto;border-collapse:collapse;text-align:left;text-indent:0pt;display:inline-table;width:99.415205%;"&gt;&lt;tr&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:38.588235%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:9.323529%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:0.1%;"/&gt;&lt;td style="width:0.535294%;"/&gt;&lt;td style="width:0.1%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:9.176471%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:0.1%;"/&gt;&lt;td style="width:0.535294%;"/&gt;&lt;td style="width:0.1%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:9.323529%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:0.1%;"/&gt;&lt;td style="width:0.535294%;"/&gt;&lt;td style="width:0.1%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:9.323529%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:0.1%;"/&gt;&lt;td style="width:0.535294%;"/&gt;&lt;td style="width:0.1%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:9.323529%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" rowspan="2" style="padding-top:2px;padding-bottom:2px;height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;div style="line-height:100%;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:100%;text-align:center;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;"&gt;Range of Exercise Prices&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="15" style="padding-top:2px;padding-bottom:2px;height:15pt;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Options Outstanding&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="9" style="padding-top:2px;padding-bottom:2px;height:15pt;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Options Exercisable&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Shares&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;padding-right:1pt;"&gt;&lt;div style="line-height:100%;text-align:center;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;"&gt;Weighted&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:100%;text-align:center;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;"&gt;Average&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:100%;text-align:center;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;"&gt;Remaining&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:100%;text-align:center;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;"&gt;Contractual&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:100%;text-align:center;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;"&gt;Life (years)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;padding-right:1pt;"&gt;&lt;div style="line-height:100%;text-align:center;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;"&gt;Weighted&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:100%;text-align:center;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;"&gt;Average&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:100%;text-align:center;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;"&gt;Exercise&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:100%;text-align:center;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;"&gt;Price&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Shares&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;padding-right:1pt;"&gt;&lt;div style="line-height:100%;text-align:center;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;"&gt;Weighted&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:100%;text-align:center;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;"&gt;Average&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:100%;text-align:center;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;"&gt;Exercise&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:100%;text-align:center;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;"&gt;Price&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:6pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$0.01-15.70&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;65,852&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;1.06&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;9.82&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;65,852&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;9.82&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:6pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$15.71-17.81&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;67,750&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;1.37&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;17.53&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;67,750&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;17.53&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:6pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$17.82-20.48&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;54,250&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;2.97&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;19.39&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;54,250&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;19.39&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:6pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$20.49-33.36&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;130,418&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;6.83&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;27.26&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;108,886&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;27.09&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;318,270&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;3.82&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;20.24&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;296,738&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;19.67&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div style="line-height:120%;"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;text-align:justify;"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt;line-height:120%;text-align:justify;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"&gt;The summary of the status of our unvested stock options as of December 31, 2017 and changes during the six months ended&#160;June 30, 2018 is presented below.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt;line-height:120%;text-align:justify;"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;table style="margin-left:auto;margin-right:auto;border-collapse:collapse;text-align:left;text-indent:0pt;display:inline-table;width:99.561404%;"&gt;&lt;tr&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:72.008811%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:10.628488%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:0.1%;"/&gt;&lt;td style="width:0.534214%;"/&gt;&lt;td style="width:0.1%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:10.628488%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;div style="line-height:100%;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:100%;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:100%;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:100%;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;"&gt;Unvested stock options:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Shares&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;div style="line-height:100%;text-align:center;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;"&gt;Weighted Average&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:100%;text-align:center;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;"&gt;Grant Date Fair Value Per Share&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Unvested at December 31, 2017&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;48,581&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;11.41&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Vested&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;(26,549)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;10.97&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;div style="line-height:100%;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;"&gt;Canceled/Forfeited&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;(500)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;11.93&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Unvested at June 30, 2018&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;21,532&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;11.93&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div style="line-height:120%;"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt;line-height:120%;text-align:justify;"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt;line-height:120%;text-align:justify;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"&gt;As of June 30, 2018, there was&#160;$192,000&#160;of unrecognized compensation cost related to unvested options.&#160;&#160;Such cost is expected to be recognized over a weighted-average period of&#160;two years.&#160;Total compensation expense for stock options was $97,140 and $207,560&#160;for the six months ended&#160;June 30, 2018 and 2017, respectively. &lt;/span&gt;&lt;/div&gt;Restricted Shares/Units:In accordance with the Company's employment agreement with Stephen Taylor, the Company's Chief Executive Officer, the Compensation Committee reviewed his performance in determining the issuance of restricted common stock.  Based on this review which included consideration of the Company's 2017 performance, Mr. Taylor, was awarded 84,700&#160;restricted shares/units on March 15, 2018, which vest over&#160;&lt;span style="-sec-ix-hidden:id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90ZXh0cmVnaW9uOmYwZTE1OWEwNjBhMDRkMmFiNjRhMWU2OGUyZWI0MDY1XzQzOTgwNDY1MTM1NzM_95a248aa-ce92-4bd0-aa44-6f89e7607b6b"&gt;three&lt;/span&gt;&#160;years, in equal annual installments, beginning March 15, 2019. On March 15, 2018, the Compensation Committee awarded 20,000 restricted shares/units to each of G. Larry Lawrence, our CFO, and James Hazlett, our Vice President of Technical Services. The restricted shares to Messrs. Lawrence and Hazlett vest over &lt;span style="-sec-ix-hidden:id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90ZXh0cmVnaW9uOmYwZTE1OWEwNjBhMDRkMmFiNjRhMWU2OGUyZWI0MDY1XzQzOTgwNDY1MTM1OTE_2c8384b9-6fc6-4db0-b133-870c768af47b"&gt;three&lt;/span&gt; years, in equal annual installments, beginning March 15, 2019.  We also awarded and issued 16,288 shares of restricted common stock to the independent members of our Board of Directors as partial payment for 2018 services as directors.  The restricted stock issued to our directors vests over one year, in quarterly installments, beginning March 31, 2019. Total compensation expense related to restricted awards was $978,432 and $2,209,455 for the six months ended&#160;June 30, 2018 and 2017, respectively.  As of June 30, 2018, there was a total of $3,864,982 of unrecognized compensation expense related to these shares/units which is expected to be recognized over the next&#160;&lt;span style="-sec-ix-hidden:id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90ZXh0cmVnaW9uOmYwZTE1OWEwNjBhMDRkMmFiNjRhMWU2OGUyZWI0MDY1XzQzOTgwNDY1MTM2MDc_082da9f5-91cd-4885-b93e-02c00fab0307"&gt;three&lt;/span&gt; years.</us-gaap:DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock>
    <us-gaap:ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock
      contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90ZXh0cmVnaW9uOmYwZTE1OWEwNjBhMDRkMmFiNjRhMWU2OGUyZWI0MDY1XzU0OTc1NTgxNDE2NTg_46fd6956-35e5-4216-a0a3-07101b9d239a">&lt;div style="text-indent:36pt;line-height:120%;text-align:justify;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"&gt;A summary of option activity under our 1998 Stock Option Plan  as  of December 31, 2017, and changes during the six months ended&#160;June 30, 2018 is presented below.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;table style="margin-left:auto;margin-right:auto;border-collapse:collapse;text-align:left;text-indent:0pt;display:inline-table;width:99.269006%;"&gt;&lt;tr&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:45.128130%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:10.665685%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:0.1%;"/&gt;&lt;td style="width:0.536377%;"/&gt;&lt;td style="width:0.1%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:10.665685%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:0.1%;"/&gt;&lt;td style="width:0.536377%;"/&gt;&lt;td style="width:0.1%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:10.665685%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:0.1%;"/&gt;&lt;td style="width:0.536377%;"/&gt;&lt;td style="width:0.1%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:10.665685%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;div style="line-height:100%;text-align:center;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;"&gt;Number&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:100%;text-align:center;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;"&gt;&#160;of&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:100%;text-align:center;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;"&gt;Stock Options&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;div style="line-height:100%;text-align:center;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;"&gt;Weighted Average&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:100%;text-align:center;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;"&gt;Exercise&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:100%;text-align:center;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;"&gt;&#160;Price&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;div style="line-height:100%;text-align:center;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;"&gt;Weighted&#160;&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:100%;text-align:center;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;"&gt;Average&#160;&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:100%;text-align:center;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;"&gt;Remaining&#160;&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:100%;text-align:center;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;"&gt;Contractual Life (years)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;div style="line-height:100%;text-align:center;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;"&gt;Aggregate&#160;&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:100%;text-align:center;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;"&gt;Intrinsic&#160;&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:100%;text-align:center;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;"&gt;Value&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:100%;text-align:center;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-style:italic;font-weight:400;line-height:100%;vertical-align:bottom;"&gt;(in thousands)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:12pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Outstanding, December 31, 2017&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;327,270&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;20.21&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;4.28&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;2,255&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:12pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Exercised&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;(8,500)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;18.51&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;86&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:12pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Canceled/Forfeited&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;(500)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;28.15&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:12pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Outstanding, June 30, 2018&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;318,270&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;20.24&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;3.82&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;1,579&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:12pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Exercisable, June 30, 2018&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;296,738&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;19.67&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;3.47&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;1,579&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;</us-gaap:ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock>
    <us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
      contextRef="ic4d3c0da31dc4a6d9e6a956840d0f98c_I20171231"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90YWJsZTo3OGRkNjAyZDM0OWE0ODlhYTUyNDQ1YTdlNzAxNmRjMS90YWJsZXJhbmdlOjc4ZGQ2MDJkMzQ5YTQ4OWFhNTI0NDVhN2U3MDE2ZGMxXzEtMS0xLTEtODYw_29382785-d13c-4519-bf15-5852fe2cbccc"
      unitRef="shares">327270</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber>
    <us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
      contextRef="ic4d3c0da31dc4a6d9e6a956840d0f98c_I20171231"
      decimals="2"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90YWJsZTo3OGRkNjAyZDM0OWE0ODlhYTUyNDQ1YTdlNzAxNmRjMS90YWJsZXJhbmdlOjc4ZGQ2MDJkMzQ5YTQ4OWFhNTI0NDVhN2U3MDE2ZGMxXzEtMy0xLTEtODYw_76fdf6cf-6111-4024-ab37-0666621d528c"
      unitRef="usdPerShare">20.21</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice>
    <us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2
      contextRef="icc50a41eef224f1eaf3b553cb4a66b2d_D20170101-20171231"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90YWJsZTo3OGRkNjAyZDM0OWE0ODlhYTUyNDQ1YTdlNzAxNmRjMS90YWJsZXJhbmdlOjc4ZGQ2MDJkMzQ5YTQ4OWFhNTI0NDVhN2U3MDE2ZGMxXzEtNS0xLTEtODYw_4ec16215-9311-4d6f-ad5b-b7791bd477af">P4Y3M10D</us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2>
    <us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue
      contextRef="ic4d3c0da31dc4a6d9e6a956840d0f98c_I20171231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90YWJsZTo3OGRkNjAyZDM0OWE0ODlhYTUyNDQ1YTdlNzAxNmRjMS90YWJsZXJhbmdlOjc4ZGQ2MDJkMzQ5YTQ4OWFhNTI0NDVhN2U3MDE2ZGMxXzEtNy0xLTEtODYw_57cec351-665e-4070-a7ee-c11d618fe0e2"
      unitRef="usd">2255000</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue>
    <us-gaap:StockIssuedDuringPeriodSharesStockOptionsExercised
      contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90YWJsZTo3OGRkNjAyZDM0OWE0ODlhYTUyNDQ1YTdlNzAxNmRjMS90YWJsZXJhbmdlOjc4ZGQ2MDJkMzQ5YTQ4OWFhNTI0NDVhN2U3MDE2ZGMxXzMtMS0xLTEtODYz_17717895-f282-4563-8a69-7d93c0d0565c"
      unitRef="shares">8500</us-gaap:StockIssuedDuringPeriodSharesStockOptionsExercised>
    <us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice
      contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630"
      decimals="2"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90YWJsZTo3OGRkNjAyZDM0OWE0ODlhYTUyNDQ1YTdlNzAxNmRjMS90YWJsZXJhbmdlOjc4ZGQ2MDJkMzQ5YTQ4OWFhNTI0NDVhN2U3MDE2ZGMxXzMtMy0xLTEtODYz_94adba05-32f3-4f42-8dbf-ef6540ae4a43"
      unitRef="usdPerShare">18.51</us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice>
    <us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue
      contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90YWJsZTo3OGRkNjAyZDM0OWE0ODlhYTUyNDQ1YTdlNzAxNmRjMS90YWJsZXJhbmdlOjc4ZGQ2MDJkMzQ5YTQ4OWFhNTI0NDVhN2U3MDE2ZGMxXzMtNy0xLTEtODYz_8ca537cb-b3a7-4924-8a1a-b725de4d88c3"
      unitRef="usd">86000</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue>
    <us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod
      contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90YWJsZTo3OGRkNjAyZDM0OWE0ODlhYTUyNDQ1YTdlNzAxNmRjMS90YWJsZXJhbmdlOjc4ZGQ2MDJkMzQ5YTQ4OWFhNTI0NDVhN2U3MDE2ZGMxXzQtMS0xLTEtNDI3MQ_d1d7d197-6804-4244-b220-f7a1118037f7"
      unitRef="shares">500</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod>
    <us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice
      contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630"
      decimals="2"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90YWJsZTo3OGRkNjAyZDM0OWE0ODlhYTUyNDQ1YTdlNzAxNmRjMS90YWJsZXJhbmdlOjc4ZGQ2MDJkMzQ5YTQ4OWFhNTI0NDVhN2U3MDE2ZGMxXzQtMy0xLTEtNDI3MQ_f4e88e20-50b0-4e36-a5b5-0c30523c2996"
      unitRef="usdPerShare">28.15</us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice>
    <us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
      contextRef="i4a0749d860044c61bf1ca42bfa4d1200_I20180630"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90YWJsZTo3OGRkNjAyZDM0OWE0ODlhYTUyNDQ1YTdlNzAxNmRjMS90YWJsZXJhbmdlOjc4ZGQ2MDJkMzQ5YTQ4OWFhNTI0NDVhN2U3MDE2ZGMxXzYtMS0xLTEtODY2_fa9284cf-b31f-4021-9c86-6acf5cf34da6"
      unitRef="shares">318270</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber>
    <us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
      contextRef="i4a0749d860044c61bf1ca42bfa4d1200_I20180630"
      decimals="2"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90YWJsZTo3OGRkNjAyZDM0OWE0ODlhYTUyNDQ1YTdlNzAxNmRjMS90YWJsZXJhbmdlOjc4ZGQ2MDJkMzQ5YTQ4OWFhNTI0NDVhN2U3MDE2ZGMxXzYtMy0xLTEtODY2_8eb02f2d-2ede-4f0b-b8ad-322365801c52"
      unitRef="usdPerShare">20.24</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice>
    <us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2
      contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90YWJsZTo3OGRkNjAyZDM0OWE0ODlhYTUyNDQ1YTdlNzAxNmRjMS90YWJsZXJhbmdlOjc4ZGQ2MDJkMzQ5YTQ4OWFhNTI0NDVhN2U3MDE2ZGMxXzYtNS0xLTEtODY2_80251060-82fb-4bd9-b794-a62c8e278424">P3Y9M25D</us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2>
    <us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue
      contextRef="i4a0749d860044c61bf1ca42bfa4d1200_I20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90YWJsZTo3OGRkNjAyZDM0OWE0ODlhYTUyNDQ1YTdlNzAxNmRjMS90YWJsZXJhbmdlOjc4ZGQ2MDJkMzQ5YTQ4OWFhNTI0NDVhN2U3MDE2ZGMxXzYtNy0xLTEtODY2_271a5404-4092-4502-98a4-ecd06769add8"
      unitRef="usd">1579000</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue>
    <us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber
      contextRef="i4a0749d860044c61bf1ca42bfa4d1200_I20180630"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90YWJsZTo3OGRkNjAyZDM0OWE0ODlhYTUyNDQ1YTdlNzAxNmRjMS90YWJsZXJhbmdlOjc4ZGQ2MDJkMzQ5YTQ4OWFhNTI0NDVhN2U3MDE2ZGMxXzctMS0xLTEtODcy_6dd23b17-22fe-486e-8515-da46c9918fee"
      unitRef="shares">296738</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber>
    <us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice
      contextRef="i4a0749d860044c61bf1ca42bfa4d1200_I20180630"
      decimals="2"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90YWJsZTo3OGRkNjAyZDM0OWE0ODlhYTUyNDQ1YTdlNzAxNmRjMS90YWJsZXJhbmdlOjc4ZGQ2MDJkMzQ5YTQ4OWFhNTI0NDVhN2U3MDE2ZGMxXzctMy0xLTEtODcy_333e1510-17cb-46b2-a646-167f414e6ec4"
      unitRef="usdPerShare">19.67</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice>
    <us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1
      contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90YWJsZTo3OGRkNjAyZDM0OWE0ODlhYTUyNDQ1YTdlNzAxNmRjMS90YWJsZXJhbmdlOjc4ZGQ2MDJkMzQ5YTQ4OWFhNTI0NDVhN2U3MDE2ZGMxXzctNS0xLTEtODcy_df17958a-a83b-4eb2-936e-e88a4feadb04">P3Y5M19D</us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1>
    <us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1
      contextRef="i4a0749d860044c61bf1ca42bfa4d1200_I20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90YWJsZTo3OGRkNjAyZDM0OWE0ODlhYTUyNDQ1YTdlNzAxNmRjMS90YWJsZXJhbmdlOjc4ZGQ2MDJkMzQ5YTQ4OWFhNTI0NDVhN2U3MDE2ZGMxXzctNy0xLTEtODcy_07422899-75f0-42c0-b133-0b3b992b1998"
      unitRef="usd">1579000</us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1>
    <us-gaap:ScheduleOfShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeTextBlock
      contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90ZXh0cmVnaW9uOmYwZTE1OWEwNjBhMDRkMmFiNjRhMWU2OGUyZWI0MDY1XzU0OTc1NTgxNDE2NTk_c74a20d4-a261-4e33-a164-c92a9261a7ed">&lt;div style="line-height:120%;text-align:justify;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"&gt;The following table summarizes information about our stock options outstanding at June 30, 2018:&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;text-align:justify;"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;table style="margin-left:auto;margin-right:auto;border-collapse:collapse;text-align:left;text-indent:0pt;display:inline-table;width:99.415205%;"&gt;&lt;tr&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:38.588235%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:9.323529%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:0.1%;"/&gt;&lt;td style="width:0.535294%;"/&gt;&lt;td style="width:0.1%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:9.176471%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:0.1%;"/&gt;&lt;td style="width:0.535294%;"/&gt;&lt;td style="width:0.1%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:9.323529%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:0.1%;"/&gt;&lt;td style="width:0.535294%;"/&gt;&lt;td style="width:0.1%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:9.323529%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:0.1%;"/&gt;&lt;td style="width:0.535294%;"/&gt;&lt;td style="width:0.1%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:9.323529%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" rowspan="2" style="padding-top:2px;padding-bottom:2px;height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;div style="line-height:100%;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:100%;text-align:center;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;"&gt;Range of Exercise Prices&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="15" style="padding-top:2px;padding-bottom:2px;height:15pt;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Options Outstanding&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="9" style="padding-top:2px;padding-bottom:2px;height:15pt;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Options Exercisable&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Shares&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;padding-right:1pt;"&gt;&lt;div style="line-height:100%;text-align:center;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;"&gt;Weighted&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:100%;text-align:center;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;"&gt;Average&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:100%;text-align:center;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;"&gt;Remaining&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:100%;text-align:center;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;"&gt;Contractual&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:100%;text-align:center;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;"&gt;Life (years)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;padding-right:1pt;"&gt;&lt;div style="line-height:100%;text-align:center;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;"&gt;Weighted&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:100%;text-align:center;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;"&gt;Average&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:100%;text-align:center;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;"&gt;Exercise&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:100%;text-align:center;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;"&gt;Price&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Shares&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;padding-right:1pt;"&gt;&lt;div style="line-height:100%;text-align:center;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;"&gt;Weighted&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:100%;text-align:center;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;"&gt;Average&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:100%;text-align:center;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;"&gt;Exercise&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:100%;text-align:center;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;"&gt;Price&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:6pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$0.01-15.70&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;65,852&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;1.06&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;9.82&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;65,852&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;9.82&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:6pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$15.71-17.81&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;67,750&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;1.37&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;17.53&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;67,750&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;17.53&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:6pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$17.82-20.48&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;54,250&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;2.97&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;19.39&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;54,250&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;19.39&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:6pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$20.49-33.36&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;130,418&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;6.83&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;27.26&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;108,886&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;27.09&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;318,270&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;3.82&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;20.24&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;296,738&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;19.67&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;</us-gaap:ScheduleOfShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeTextBlock>
    <us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions
      contextRef="ib5d6a39927d04594b3aec4244799dab3_I20180630"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90YWJsZTplYThiOGVkMjFkMDM0ZDFjODgxZmFiMDZhNjliMTdlNy90YWJsZXJhbmdlOmVhOGI4ZWQyMWQwMzRkMWM4ODFmYWIwNmE2OWIxN2U3XzItMS0xLTEtODgw_4d3503bf-9485-46fc-978c-2bc568bd04d5"
      unitRef="shares">65852</us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions>
    <us-gaap:SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageRemainingContractualTerm2
      contextRef="i50eb0c29340e48d991163cc7a6662229_D20180101-20180630"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90YWJsZTplYThiOGVkMjFkMDM0ZDFjODgxZmFiMDZhNjliMTdlNy90YWJsZXJhbmdlOmVhOGI4ZWQyMWQwMzRkMWM4ODFmYWIwNmE2OWIxN2U3XzItMy0xLTEtODgw_06967541-1fda-4d6f-ac43-bd4c0e6eef3c">P1Y21D</us-gaap:SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageRemainingContractualTerm2>
    <us-gaap:SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1
      contextRef="ib5d6a39927d04594b3aec4244799dab3_I20180630"
      decimals="2"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90YWJsZTplYThiOGVkMjFkMDM0ZDFjODgxZmFiMDZhNjliMTdlNy90YWJsZXJhbmdlOmVhOGI4ZWQyMWQwMzRkMWM4ODFmYWIwNmE2OWIxN2U3XzItNS0xLTEtODgw_df054609-8951-432b-90bd-488ead69b970"
      unitRef="usdPerShare">9.82</us-gaap:SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1>
    <us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions
      contextRef="ib5d6a39927d04594b3aec4244799dab3_I20180630"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90YWJsZTplYThiOGVkMjFkMDM0ZDFjODgxZmFiMDZhNjliMTdlNy90YWJsZXJhbmdlOmVhOGI4ZWQyMWQwMzRkMWM4ODFmYWIwNmE2OWIxN2U3XzItNy0xLTEtODgw_eff7d10b-d30c-4a44-b56c-853ce5c7c2c6"
      unitRef="shares">65852</us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions>
    <us-gaap:SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1
      contextRef="ib5d6a39927d04594b3aec4244799dab3_I20180630"
      decimals="2"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90YWJsZTplYThiOGVkMjFkMDM0ZDFjODgxZmFiMDZhNjliMTdlNy90YWJsZXJhbmdlOmVhOGI4ZWQyMWQwMzRkMWM4ODFmYWIwNmE2OWIxN2U3XzItOS0xLTEtODgw_7e4dc658-2613-4b77-9901-36a3183cc9f9"
      unitRef="usdPerShare">9.82</us-gaap:SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1>
    <us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions
      contextRef="ic8e7b7a946fe401a99256e776a0c0c3a_I20180630"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90YWJsZTplYThiOGVkMjFkMDM0ZDFjODgxZmFiMDZhNjliMTdlNy90YWJsZXJhbmdlOmVhOGI4ZWQyMWQwMzRkMWM4ODFmYWIwNmE2OWIxN2U3XzMtMS0xLTEtODgw_a279de22-95b8-4419-b4f3-e9b815df0b3e"
      unitRef="shares">67750</us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions>
    <us-gaap:SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageRemainingContractualTerm2
      contextRef="idc1af9d8958c4d259f1ccd157ab2adf9_D20180101-20180630"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90YWJsZTplYThiOGVkMjFkMDM0ZDFjODgxZmFiMDZhNjliMTdlNy90YWJsZXJhbmdlOmVhOGI4ZWQyMWQwMzRkMWM4ODFmYWIwNmE2OWIxN2U3XzMtMy0xLTEtODgw_30949cb1-74bf-464a-86fe-9c8efc6df4f9">P1Y4M13D</us-gaap:SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageRemainingContractualTerm2>
    <us-gaap:SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1
      contextRef="ic8e7b7a946fe401a99256e776a0c0c3a_I20180630"
      decimals="2"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90YWJsZTplYThiOGVkMjFkMDM0ZDFjODgxZmFiMDZhNjliMTdlNy90YWJsZXJhbmdlOmVhOGI4ZWQyMWQwMzRkMWM4ODFmYWIwNmE2OWIxN2U3XzMtNS0xLTEtODgw_d64342f5-693d-40a5-b066-e38461e8ff0f"
      unitRef="usdPerShare">17.53</us-gaap:SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1>
    <us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions
      contextRef="ic8e7b7a946fe401a99256e776a0c0c3a_I20180630"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90YWJsZTplYThiOGVkMjFkMDM0ZDFjODgxZmFiMDZhNjliMTdlNy90YWJsZXJhbmdlOmVhOGI4ZWQyMWQwMzRkMWM4ODFmYWIwNmE2OWIxN2U3XzMtNy0xLTEtODgw_b79ea7b3-8a91-4ca8-a5da-8d67c68eeae1"
      unitRef="shares">67750</us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions>
    <us-gaap:SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1
      contextRef="ic8e7b7a946fe401a99256e776a0c0c3a_I20180630"
      decimals="2"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90YWJsZTplYThiOGVkMjFkMDM0ZDFjODgxZmFiMDZhNjliMTdlNy90YWJsZXJhbmdlOmVhOGI4ZWQyMWQwMzRkMWM4ODFmYWIwNmE2OWIxN2U3XzMtOS0xLTEtODgw_c92614e0-e6b0-4305-861d-653f11c9ec40"
      unitRef="usdPerShare">17.53</us-gaap:SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1>
    <us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions
      contextRef="ia3c028d104e746e38406266e165b017c_I20180630"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90YWJsZTplYThiOGVkMjFkMDM0ZDFjODgxZmFiMDZhNjliMTdlNy90YWJsZXJhbmdlOmVhOGI4ZWQyMWQwMzRkMWM4ODFmYWIwNmE2OWIxN2U3XzQtMS0xLTEtODgw_3cd238a5-1df9-4bea-a292-971f4ab3e426"
      unitRef="shares">54250</us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions>
    <us-gaap:SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageRemainingContractualTerm2
      contextRef="i1e13495543ba4eb5a035647ba087c172_D20180101-20180630"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90YWJsZTplYThiOGVkMjFkMDM0ZDFjODgxZmFiMDZhNjliMTdlNy90YWJsZXJhbmdlOmVhOGI4ZWQyMWQwMzRkMWM4ODFmYWIwNmE2OWIxN2U3XzQtMy0xLTEtODgw_f23e5308-281a-4388-8da3-42b7cf6ec13e">P2Y11M19D</us-gaap:SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageRemainingContractualTerm2>
    <us-gaap:SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1
      contextRef="ia3c028d104e746e38406266e165b017c_I20180630"
      decimals="2"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90YWJsZTplYThiOGVkMjFkMDM0ZDFjODgxZmFiMDZhNjliMTdlNy90YWJsZXJhbmdlOmVhOGI4ZWQyMWQwMzRkMWM4ODFmYWIwNmE2OWIxN2U3XzQtNS0xLTEtODgw_8e870512-1da4-4b63-a53a-56319994f3a6"
      unitRef="usdPerShare">19.39</us-gaap:SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1>
    <us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions
      contextRef="ia3c028d104e746e38406266e165b017c_I20180630"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90YWJsZTplYThiOGVkMjFkMDM0ZDFjODgxZmFiMDZhNjliMTdlNy90YWJsZXJhbmdlOmVhOGI4ZWQyMWQwMzRkMWM4ODFmYWIwNmE2OWIxN2U3XzQtNy0xLTEtODgw_af1afa2b-3aff-4ccb-bb98-2833e51a608a"
      unitRef="shares">54250</us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions>
    <us-gaap:SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1
      contextRef="ia3c028d104e746e38406266e165b017c_I20180630"
      decimals="2"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90YWJsZTplYThiOGVkMjFkMDM0ZDFjODgxZmFiMDZhNjliMTdlNy90YWJsZXJhbmdlOmVhOGI4ZWQyMWQwMzRkMWM4ODFmYWIwNmE2OWIxN2U3XzQtOS0xLTEtODgw_9ec83337-9dba-4a70-8405-468cc44384d4"
      unitRef="usdPerShare">19.39</us-gaap:SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1>
    <us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions
      contextRef="i67b51d155e90478b88717cf814ac0480_I20180630"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90YWJsZTplYThiOGVkMjFkMDM0ZDFjODgxZmFiMDZhNjliMTdlNy90YWJsZXJhbmdlOmVhOGI4ZWQyMWQwMzRkMWM4ODFmYWIwNmE2OWIxN2U3XzUtMS0xLTEtODgw_b3348715-2e74-4444-805b-79731ddd1c59"
      unitRef="shares">130418</us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions>
    <us-gaap:SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageRemainingContractualTerm2
      contextRef="ib975e9ae79a94480869a0195b2e5eb50_D20180101-20180630"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90YWJsZTplYThiOGVkMjFkMDM0ZDFjODgxZmFiMDZhNjliMTdlNy90YWJsZXJhbmdlOmVhOGI4ZWQyMWQwMzRkMWM4ODFmYWIwNmE2OWIxN2U3XzUtMy0xLTEtODgw_b4a72579-3cb9-4c77-9390-692d1c0b0f8d">P6Y9M29D</us-gaap:SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageRemainingContractualTerm2>
    <us-gaap:SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1
      contextRef="i67b51d155e90478b88717cf814ac0480_I20180630"
      decimals="2"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90YWJsZTplYThiOGVkMjFkMDM0ZDFjODgxZmFiMDZhNjliMTdlNy90YWJsZXJhbmdlOmVhOGI4ZWQyMWQwMzRkMWM4ODFmYWIwNmE2OWIxN2U3XzUtNS0xLTEtODgw_48cc3c61-0aaa-4421-af02-ab3c4b17273c"
      unitRef="usdPerShare">27.26</us-gaap:SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1>
    <us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions
      contextRef="i67b51d155e90478b88717cf814ac0480_I20180630"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90YWJsZTplYThiOGVkMjFkMDM0ZDFjODgxZmFiMDZhNjliMTdlNy90YWJsZXJhbmdlOmVhOGI4ZWQyMWQwMzRkMWM4ODFmYWIwNmE2OWIxN2U3XzUtNy0xLTEtODgw_81edff36-7deb-40b6-8783-b613117b2a59"
      unitRef="shares">108886</us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions>
    <us-gaap:SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1
      contextRef="i67b51d155e90478b88717cf814ac0480_I20180630"
      decimals="2"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90YWJsZTplYThiOGVkMjFkMDM0ZDFjODgxZmFiMDZhNjliMTdlNy90YWJsZXJhbmdlOmVhOGI4ZWQyMWQwMzRkMWM4ODFmYWIwNmE2OWIxN2U3XzUtOS0xLTEtODgw_c5cb6968-09a5-483c-93c7-85eeaf905c20"
      unitRef="usdPerShare">27.09</us-gaap:SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1>
    <us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions
      contextRef="i4a0749d860044c61bf1ca42bfa4d1200_I20180630"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90YWJsZTplYThiOGVkMjFkMDM0ZDFjODgxZmFiMDZhNjliMTdlNy90YWJsZXJhbmdlOmVhOGI4ZWQyMWQwMzRkMWM4ODFmYWIwNmE2OWIxN2U3XzYtMS0xLTEtODgw_956a0dbe-d595-4223-bda9-ec11d347228c"
      unitRef="shares">318270</us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions>
    <us-gaap:SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageRemainingContractualTerm2
      contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90YWJsZTplYThiOGVkMjFkMDM0ZDFjODgxZmFiMDZhNjliMTdlNy90YWJsZXJhbmdlOmVhOGI4ZWQyMWQwMzRkMWM4ODFmYWIwNmE2OWIxN2U3XzYtMy0xLTEtODgw_a80bf265-b786-451e-a37f-fdd0d914e650">P3Y9M25D</us-gaap:SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageRemainingContractualTerm2>
    <us-gaap:SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1
      contextRef="i4a0749d860044c61bf1ca42bfa4d1200_I20180630"
      decimals="2"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90YWJsZTplYThiOGVkMjFkMDM0ZDFjODgxZmFiMDZhNjliMTdlNy90YWJsZXJhbmdlOmVhOGI4ZWQyMWQwMzRkMWM4ODFmYWIwNmE2OWIxN2U3XzYtNS0xLTEtODgw_9852bfcf-5150-4eba-ba73-4fbb63226055"
      unitRef="usdPerShare">20.24</us-gaap:SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1>
    <us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions
      contextRef="i4a0749d860044c61bf1ca42bfa4d1200_I20180630"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90YWJsZTplYThiOGVkMjFkMDM0ZDFjODgxZmFiMDZhNjliMTdlNy90YWJsZXJhbmdlOmVhOGI4ZWQyMWQwMzRkMWM4ODFmYWIwNmE2OWIxN2U3XzYtNy0xLTEtODgw_496d09f8-10b3-4f64-b805-f9f609237f32"
      unitRef="shares">296738</us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions>
    <us-gaap:SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1
      contextRef="i4a0749d860044c61bf1ca42bfa4d1200_I20180630"
      decimals="2"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90YWJsZTplYThiOGVkMjFkMDM0ZDFjODgxZmFiMDZhNjliMTdlNy90YWJsZXJhbmdlOmVhOGI4ZWQyMWQwMzRkMWM4ODFmYWIwNmE2OWIxN2U3XzYtOS0xLTEtODgw_4e263289-cf13-4222-b8d7-74612ebc74ba"
      unitRef="usdPerShare">19.67</us-gaap:SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1>
    <us-gaap:ScheduleOfStockOptionsRollForwardTableTextBlock
      contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90ZXh0cmVnaW9uOmYwZTE1OWEwNjBhMDRkMmFiNjRhMWU2OGUyZWI0MDY1XzU0OTc1NTgxNDE2NjA_eb3dfe73-094b-42a9-9b18-17ca164dd0c4">&lt;div style="text-indent:36pt;line-height:120%;text-align:justify;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"&gt;The summary of the status of our unvested stock options as of December 31, 2017 and changes during the six months ended&#160;June 30, 2018 is presented below.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt;line-height:120%;text-align:justify;"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;table style="margin-left:auto;margin-right:auto;border-collapse:collapse;text-align:left;text-indent:0pt;display:inline-table;width:99.561404%;"&gt;&lt;tr&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:72.008811%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:10.628488%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:0.1%;"/&gt;&lt;td style="width:0.534214%;"/&gt;&lt;td style="width:0.1%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:10.628488%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;div style="line-height:100%;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:100%;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:100%;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:100%;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;"&gt;Unvested stock options:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Shares&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;div style="line-height:100%;text-align:center;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;"&gt;Weighted Average&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:100%;text-align:center;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;"&gt;Grant Date Fair Value Per Share&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Unvested at December 31, 2017&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;48,581&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;11.41&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Vested&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;(26,549)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;10.97&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;div style="line-height:100%;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;"&gt;Canceled/Forfeited&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;(500)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;11.93&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Unvested at June 30, 2018&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;21,532&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;11.93&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;</us-gaap:ScheduleOfStockOptionsRollForwardTableTextBlock>
    <us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares
      contextRef="ic4d3c0da31dc4a6d9e6a956840d0f98c_I20171231"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90YWJsZTo4NDRiZTM5NGJiYTE0MGQyOGRhYzZlZTE3MWI1ODZkOC90YWJsZXJhbmdlOjg0NGJlMzk0YmJhMTQwZDI4ZGFjNmVlMTcxYjU4NmQ4XzEtMS0xLTEtODg4_96c1548d-6173-4c95-8714-1e5570dbfbc4"
      unitRef="shares">48581</us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares>
    <us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue
      contextRef="ic4d3c0da31dc4a6d9e6a956840d0f98c_I20171231"
      decimals="2"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90YWJsZTo4NDRiZTM5NGJiYTE0MGQyOGRhYzZlZTE3MWI1ODZkOC90YWJsZXJhbmdlOjg0NGJlMzk0YmJhMTQwZDI4ZGFjNmVlMTcxYjU4NmQ4XzEtMy0xLTEtODg4_dc52dec6-9017-4056-b8d8-bed8a5cfea69"
      unitRef="usdPerShare">11.41</us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue>
    <us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedNumberOfShares
      contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90YWJsZTo4NDRiZTM5NGJiYTE0MGQyOGRhYzZlZTE3MWI1ODZkOC90YWJsZXJhbmdlOjg0NGJlMzk0YmJhMTQwZDI4ZGFjNmVlMTcxYjU4NmQ4XzMtMS0xLTEtODg4_c487933a-bd1a-4d26-aea9-a37f4b1372ad"
      unitRef="shares">26549</us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedNumberOfShares>
    <us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedWeightedAverageGrantDateFairValue
      contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630"
      decimals="2"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90YWJsZTo4NDRiZTM5NGJiYTE0MGQyOGRhYzZlZTE3MWI1ODZkOC90YWJsZXJhbmdlOjg0NGJlMzk0YmJhMTQwZDI4ZGFjNmVlMTcxYjU4NmQ4XzMtMy0xLTEtODg4_0920d677-a297-407a-be7a-f0f3365bd251"
      unitRef="usdPerShare">10.97</us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedWeightedAverageGrantDateFairValue>
    <ngs:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsCanceledOrForfeitedNumberOfShares
      contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90YWJsZTo4NDRiZTM5NGJiYTE0MGQyOGRhYzZlZTE3MWI1ODZkOC90YWJsZXJhbmdlOjg0NGJlMzk0YmJhMTQwZDI4ZGFjNmVlMTcxYjU4NmQ4XzQtMS0xLTEtODg4_2ed2cf7d-e8df-4ffc-a870-af111ec8c11e"
      unitRef="shares">500</ngs:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsCanceledOrForfeitedNumberOfShares>
    <ngs:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsCanceledOrForfeitedWeightedAverageGrantDateFairValue
      contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630"
      decimals="2"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90YWJsZTo4NDRiZTM5NGJiYTE0MGQyOGRhYzZlZTE3MWI1ODZkOC90YWJsZXJhbmdlOjg0NGJlMzk0YmJhMTQwZDI4ZGFjNmVlMTcxYjU4NmQ4XzQtMy0xLTEtODg4_1d52ff0e-2d18-4eb1-aab9-fe8bd896e64a"
      unitRef="usdPerShare">11.93</ngs:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsCanceledOrForfeitedWeightedAverageGrantDateFairValue>
    <us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares
      contextRef="i4a0749d860044c61bf1ca42bfa4d1200_I20180630"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90YWJsZTo4NDRiZTM5NGJiYTE0MGQyOGRhYzZlZTE3MWI1ODZkOC90YWJsZXJhbmdlOjg0NGJlMzk0YmJhMTQwZDI4ZGFjNmVlMTcxYjU4NmQ4XzUtMS0xLTEtODg4_9ff4d40f-87c7-4d51-9e3f-a599ddaf30aa"
      unitRef="shares">21532</us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares>
    <us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue
      contextRef="i4a0749d860044c61bf1ca42bfa4d1200_I20180630"
      decimals="2"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90YWJsZTo4NDRiZTM5NGJiYTE0MGQyOGRhYzZlZTE3MWI1ODZkOC90YWJsZXJhbmdlOjg0NGJlMzk0YmJhMTQwZDI4ZGFjNmVlMTcxYjU4NmQ4XzUtMy0xLTEtODg4_6a522295-704c-4c65-bcbe-e43a5d344563"
      unitRef="usdPerShare">11.93</us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue>
    <us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions
      contextRef="i0e79220b10124ff58fbee0d35a075b41_I20180630"
      decimals="0"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90ZXh0cmVnaW9uOmYwZTE1OWEwNjBhMDRkMmFiNjRhMWU2OGUyZWI0MDY1XzEwOTk1MTE2MzAwOTA_2eccade4-7fcb-436b-acab-1c69c1dba487"
      unitRef="usd">192000</us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions>
    <us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1
      contextRef="i17400969f1714964bae0d6c054dc5f1c_D20180101-20180630"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90ZXh0cmVnaW9uOmYwZTE1OWEwNjBhMDRkMmFiNjRhMWU2OGUyZWI0MDY1XzU0OTc1NTgxNjI0NQ_5ec305b5-2591-4ef8-97de-b616e071522f">P2Y</us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1>
    <us-gaap:AllocatedShareBasedCompensationExpense
      contextRef="i9912625348f94916bbb57df90b17f9f0_D20180401-20180630"
      decimals="0"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90ZXh0cmVnaW9uOmYwZTE1OWEwNjBhMDRkMmFiNjRhMWU2OGUyZWI0MDY1XzI3NDg3NzkwNzE4MTM_7e185f55-a80d-4980-a0f1-477d4ef507e8"
      unitRef="usd">97140</us-gaap:AllocatedShareBasedCompensationExpense>
    <us-gaap:AllocatedShareBasedCompensationExpense
      contextRef="if00c604ae3ff4991a360097594f470b5_D20170401-20170630"
      decimals="0"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90ZXh0cmVnaW9uOmYwZTE1OWEwNjBhMDRkMmFiNjRhMWU2OGUyZWI0MDY1XzU0OTc1NTgxNjIyNg_1e576c47-3019-4477-b130-636d899efe2e"
      unitRef="usd">207560</us-gaap:AllocatedShareBasedCompensationExpense>
    <us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod
      contextRef="ia51991f5de484bc991f61322876b55b7_D20180315-20180315"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90ZXh0cmVnaW9uOmYwZTE1OWEwNjBhMDRkMmFiNjRhMWU2OGUyZWI0MDY1XzM4NDgyOTA2OTk1OTE_afb81750-0890-4886-8583-43dfaa012d34"
      unitRef="shares">84700</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod>
    <us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod
      contextRef="i0690b16ebf594e5c8556cbd4f269d848_D20180315-20180315"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90ZXh0cmVnaW9uOmYwZTE1OWEwNjBhMDRkMmFiNjRhMWU2OGUyZWI0MDY1XzM4NDgyOTA2OTk2MDY_663a0bd2-1be7-49a1-a892-a64b42490294"
      unitRef="shares">20000</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod>
    <us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod
      contextRef="ifaff7bd9d41045a4a6c4c3e3bdfa5f90_D20180101-20180630"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90ZXh0cmVnaW9uOmYwZTE1OWEwNjBhMDRkMmFiNjRhMWU2OGUyZWI0MDY1XzM4NDgyOTA2OTk2MTQ_b9a8ceae-9c0e-402f-9cf8-7bb4cf930597"
      unitRef="shares">16288</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod>
    <us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1
      contextRef="ifaff7bd9d41045a4a6c4c3e3bdfa5f90_D20180101-20180630"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90ZXh0cmVnaW9uOmYwZTE1OWEwNjBhMDRkMmFiNjRhMWU2OGUyZWI0MDY1XzQzOTgwNDY1MTM1OTc_7ed6716e-1ce6-401e-acc8-a008fd3d5060">P1Y</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1>
    <us-gaap:AllocatedShareBasedCompensationExpense
      contextRef="i5a8c23e656684e91af584dc983fd5bf4_D20180101-20180630"
      decimals="0"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90ZXh0cmVnaW9uOmYwZTE1OWEwNjBhMDRkMmFiNjRhMWU2OGUyZWI0MDY1XzM4NDgyOTA2OTk2MjQ_ca144f27-3ff4-4f3d-8f2a-522b2896dfa5"
      unitRef="usd">978432</us-gaap:AllocatedShareBasedCompensationExpense>
    <us-gaap:AllocatedShareBasedCompensationExpense
      contextRef="ic79cc187e1f445d284f73f5b4a8b9917_D20170101-20170630"
      decimals="0"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90ZXh0cmVnaW9uOmYwZTE1OWEwNjBhMDRkMmFiNjRhMWU2OGUyZWI0MDY1XzM4NDgyOTA2OTk2Mjc_d4fbd80f-711b-4f33-9dfa-90fe54f932ba"
      unitRef="usd">2209455</us-gaap:AllocatedShareBasedCompensationExpense>
    <us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
      contextRef="i5035c6c8d5d94c7c8e2d8f88eca3287b_I20180630"
      decimals="0"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90ZXh0cmVnaW9uOmYwZTE1OWEwNjBhMDRkMmFiNjRhMWU2OGUyZWI0MDY1XzM4NDgyOTA2OTk2NDk_45c06f3c-542d-4949-98ce-ba0ce301fb62"
      unitRef="usd">3864982</us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized>
    <us-gaap:InventoryDisclosureTextBlock
      contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xOTQvZnJhZzozMWNhMDBmNTVhNDE0NTllODg2M2M4MzEyYTg2Mjc2YS90ZXh0cmVnaW9uOjMxY2EwMGY1NWE0MTQ1OWU4ODYzYzgzMTJhODYyNzZhXzU0OTc1NTgxMzk0NzU_b7288421-288e-4781-a8fa-178284f4cb95">Inventory&lt;div style="text-indent:36pt;line-height:120%;text-align:justify;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"&gt;Our inventory, net of allowance for obsolescence of $20,785 and $15,000 at June 30, 2018&#160;and December 31, 2017, respectively, consisted of the following amounts:&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;table style="margin-left:auto;margin-right:auto;border-collapse:collapse;text-align:left;text-indent:0pt;display:inline-table;width:99.707602%;"&gt;&lt;tr&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:61.929619%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:16.181818%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:0.1%;"/&gt;&lt;td style="width:0.533138%;"/&gt;&lt;td style="width:0.1%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:15.155425%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;June 30, 2018&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;December 31, 2017&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="height:13pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="9" style="padding-top:2px;padding-bottom:2px;height:13pt;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-style:italic;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;(in thousands)&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Raw materials - current&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;19,565&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;22,813&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Raw materials - long term&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;3,467&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;2,829&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Finished Goods&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;1,022&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;1,022&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Work in process&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;2,455&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;2,389&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;26,509&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;29,053&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div style="line-height:120%;"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;text-align:justify;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"&gt;Our long-term inventory consists of raw materials that remain viable but that the Company does not expect to sell within the year.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;text-align:justify;"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;text-align:justify;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"&gt;During the six months ended June 30, 2018 and 2017, there were&#160;no&#160;write-offs of obsolete inventory against the allowance for obsolescence.&lt;/span&gt;&lt;/div&gt;</us-gaap:InventoryDisclosureTextBlock>
    <us-gaap:ScheduleOfInventoryCurrentTableTextBlock
      contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xOTQvZnJhZzozMWNhMDBmNTVhNDE0NTllODg2M2M4MzEyYTg2Mjc2YS90ZXh0cmVnaW9uOjMxY2EwMGY1NWE0MTQ1OWU4ODYzYzgzMTJhODYyNzZhXzU0OTc1NTgxMzk0NzQ_d091c439-f6c6-4986-a19f-0fb16210ef9a">&lt;div style="text-indent:36pt;line-height:120%;text-align:justify;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"&gt;Our inventory, net of allowance for obsolescence of $20,785 and $15,000 at June 30, 2018&#160;and December 31, 2017, respectively, consisted of the following amounts:&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;table style="margin-left:auto;margin-right:auto;border-collapse:collapse;text-align:left;text-indent:0pt;display:inline-table;width:99.707602%;"&gt;&lt;tr&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:61.929619%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:16.181818%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:0.1%;"/&gt;&lt;td style="width:0.533138%;"/&gt;&lt;td style="width:0.1%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:15.155425%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;June 30, 2018&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;December 31, 2017&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="height:13pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="9" style="padding-top:2px;padding-bottom:2px;height:13pt;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-style:italic;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;(in thousands)&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Raw materials - current&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;19,565&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;22,813&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Raw materials - long term&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;3,467&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;2,829&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Finished Goods&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;1,022&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;1,022&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Work in process&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;2,455&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;2,389&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;26,509&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;29,053&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;</us-gaap:ScheduleOfInventoryCurrentTableTextBlock>
    <us-gaap:InventoryValuationReserves
      contextRef="i4a0749d860044c61bf1ca42bfa4d1200_I20180630"
      decimals="0"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xOTQvZnJhZzozMWNhMDBmNTVhNDE0NTllODg2M2M4MzEyYTg2Mjc2YS90ZXh0cmVnaW9uOjMxY2EwMGY1NWE0MTQ1OWU4ODYzYzgzMTJhODYyNzZhXzM4NDgyOTA2OTc2OTk_2875ce6c-761b-4881-ad0f-cc5250ecc17b"
      unitRef="usd">20785</us-gaap:InventoryValuationReserves>
    <us-gaap:InventoryValuationReserves
      contextRef="ic4d3c0da31dc4a6d9e6a956840d0f98c_I20171231"
      decimals="0"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xOTQvZnJhZzozMWNhMDBmNTVhNDE0NTllODg2M2M4MzEyYTg2Mjc2YS90ZXh0cmVnaW9uOjMxY2EwMGY1NWE0MTQ1OWU4ODYzYzgzMTJhODYyNzZhXzM4NDgyOTA2OTc3MDg_e6b73ad0-4bc7-4f7a-a697-3ce4d5bdb101"
      unitRef="usd">15000</us-gaap:InventoryValuationReserves>
    <ngs:InventoryCurrentRawMaterialsNetofReserves
      contextRef="i4a0749d860044c61bf1ca42bfa4d1200_I20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xOTQvZnJhZzozMWNhMDBmNTVhNDE0NTllODg2M2M4MzEyYTg2Mjc2YS90YWJsZTozZjQyNTQ5ZDk0ZjI0OWQ3ODQzN2YzOTE4ZmRlMTVlYi90YWJsZXJhbmdlOjNmNDI1NDlkOTRmMjQ5ZDc4NDM3ZjM5MThmZGUxNWViXzItMS0xLTEtMTM2OQ_ccf956ab-0e01-4fb2-8714-e500920c9276"
      unitRef="usd">19565000</ngs:InventoryCurrentRawMaterialsNetofReserves>
    <ngs:InventoryCurrentRawMaterialsNetofReserves
      contextRef="ic4d3c0da31dc4a6d9e6a956840d0f98c_I20171231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xOTQvZnJhZzozMWNhMDBmNTVhNDE0NTllODg2M2M4MzEyYTg2Mjc2YS90YWJsZTozZjQyNTQ5ZDk0ZjI0OWQ3ODQzN2YzOTE4ZmRlMTVlYi90YWJsZXJhbmdlOjNmNDI1NDlkOTRmMjQ5ZDc4NDM3ZjM5MThmZGUxNWViXzItMy0xLTEtMTM3Mg_1105dfea-068a-4b40-8c29-b8898edbce2f"
      unitRef="usd">22813000</ngs:InventoryCurrentRawMaterialsNetofReserves>
    <ngs:InventoryNoncurrentRawMaterialsNetofReserves
      contextRef="i4a0749d860044c61bf1ca42bfa4d1200_I20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xOTQvZnJhZzozMWNhMDBmNTVhNDE0NTllODg2M2M4MzEyYTg2Mjc2YS90YWJsZTozZjQyNTQ5ZDk0ZjI0OWQ3ODQzN2YzOTE4ZmRlMTVlYi90YWJsZXJhbmdlOjNmNDI1NDlkOTRmMjQ5ZDc4NDM3ZjM5MThmZGUxNWViXzMtMS0xLTEtMTM2OQ_65ef9e4f-9f18-4fbf-9d87-a039ab662efa"
      unitRef="usd">3467000</ngs:InventoryNoncurrentRawMaterialsNetofReserves>
    <ngs:InventoryNoncurrentRawMaterialsNetofReserves
      contextRef="ic4d3c0da31dc4a6d9e6a956840d0f98c_I20171231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xOTQvZnJhZzozMWNhMDBmNTVhNDE0NTllODg2M2M4MzEyYTg2Mjc2YS90YWJsZTozZjQyNTQ5ZDk0ZjI0OWQ3ODQzN2YzOTE4ZmRlMTVlYi90YWJsZXJhbmdlOjNmNDI1NDlkOTRmMjQ5ZDc4NDM3ZjM5MThmZGUxNWViXzMtMy0xLTEtMTM3Mg_77dab6cf-93de-45e9-af18-8fe830d499b5"
      unitRef="usd">2829000</ngs:InventoryNoncurrentRawMaterialsNetofReserves>
    <us-gaap:InventoryFinishedGoodsNetOfReserves
      contextRef="i4a0749d860044c61bf1ca42bfa4d1200_I20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xOTQvZnJhZzozMWNhMDBmNTVhNDE0NTllODg2M2M4MzEyYTg2Mjc2YS90YWJsZTozZjQyNTQ5ZDk0ZjI0OWQ3ODQzN2YzOTE4ZmRlMTVlYi90YWJsZXJhbmdlOjNmNDI1NDlkOTRmMjQ5ZDc4NDM3ZjM5MThmZGUxNWViXzQtMS0xLTEtMTM2OQ_c896fbfc-4f08-40f4-aa3f-f6462592a864"
      unitRef="usd">1022000</us-gaap:InventoryFinishedGoodsNetOfReserves>
    <us-gaap:InventoryFinishedGoodsNetOfReserves
      contextRef="ic4d3c0da31dc4a6d9e6a956840d0f98c_I20171231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xOTQvZnJhZzozMWNhMDBmNTVhNDE0NTllODg2M2M4MzEyYTg2Mjc2YS90YWJsZTozZjQyNTQ5ZDk0ZjI0OWQ3ODQzN2YzOTE4ZmRlMTVlYi90YWJsZXJhbmdlOjNmNDI1NDlkOTRmMjQ5ZDc4NDM3ZjM5MThmZGUxNWViXzQtMy0xLTEtMTM3Mg_ca31c1f6-ce26-4fc5-b962-e8463cdc5f39"
      unitRef="usd">1022000</us-gaap:InventoryFinishedGoodsNetOfReserves>
    <us-gaap:InventoryWorkInProcessNetOfReserves
      contextRef="i4a0749d860044c61bf1ca42bfa4d1200_I20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xOTQvZnJhZzozMWNhMDBmNTVhNDE0NTllODg2M2M4MzEyYTg2Mjc2YS90YWJsZTozZjQyNTQ5ZDk0ZjI0OWQ3ODQzN2YzOTE4ZmRlMTVlYi90YWJsZXJhbmdlOjNmNDI1NDlkOTRmMjQ5ZDc4NDM3ZjM5MThmZGUxNWViXzUtMS0xLTEtMTM2OQ_b159cd3e-6c1d-45ee-8820-b49efa36dc82"
      unitRef="usd">2455000</us-gaap:InventoryWorkInProcessNetOfReserves>
    <us-gaap:InventoryWorkInProcessNetOfReserves
      contextRef="ic4d3c0da31dc4a6d9e6a956840d0f98c_I20171231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xOTQvZnJhZzozMWNhMDBmNTVhNDE0NTllODg2M2M4MzEyYTg2Mjc2YS90YWJsZTozZjQyNTQ5ZDk0ZjI0OWQ3ODQzN2YzOTE4ZmRlMTVlYi90YWJsZXJhbmdlOjNmNDI1NDlkOTRmMjQ5ZDc4NDM3ZjM5MThmZGUxNWViXzUtMy0xLTEtMTM3Mg_d1f21839-a637-4d14-b8d1-42675efd6e76"
      unitRef="usd">2389000</us-gaap:InventoryWorkInProcessNetOfReserves>
    <ngs:InventoryCurrentAndNoncurrentNet
      contextRef="i4a0749d860044c61bf1ca42bfa4d1200_I20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xOTQvZnJhZzozMWNhMDBmNTVhNDE0NTllODg2M2M4MzEyYTg2Mjc2YS90YWJsZTozZjQyNTQ5ZDk0ZjI0OWQ3ODQzN2YzOTE4ZmRlMTVlYi90YWJsZXJhbmdlOjNmNDI1NDlkOTRmMjQ5ZDc4NDM3ZjM5MThmZGUxNWViXzYtMS0xLTEtMTM2OQ_b7991a61-269f-4147-a85e-691bfbdabe06"
      unitRef="usd">26509000</ngs:InventoryCurrentAndNoncurrentNet>
    <ngs:InventoryCurrentAndNoncurrentNet
      contextRef="ic4d3c0da31dc4a6d9e6a956840d0f98c_I20171231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xOTQvZnJhZzozMWNhMDBmNTVhNDE0NTllODg2M2M4MzEyYTg2Mjc2YS90YWJsZTozZjQyNTQ5ZDk0ZjI0OWQ3ODQzN2YzOTE4ZmRlMTVlYi90YWJsZXJhbmdlOjNmNDI1NDlkOTRmMjQ5ZDc4NDM3ZjM5MThmZGUxNWViXzYtMy0xLTEtMTM3Mg_a57f9722-07ab-461e-ba90-01936522c40f"
      unitRef="usd">29053000</ngs:InventoryCurrentAndNoncurrentNet>
    <ngs:InventoryValuationReservesDeductions
      contextRef="iae1008ff6a854658ab77be281aab8a0c_D20170101-20170630"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xOTQvZnJhZzozMWNhMDBmNTVhNDE0NTllODg2M2M4MzEyYTg2Mjc2YS90ZXh0cmVnaW9uOjMxY2EwMGY1NWE0MTQ1OWU4ODYzYzgzMTJhODYyNzZhXzM4NDgyOTA2OTc3MTA_53b2e3c4-c6a3-4628-bb77-2003cb8dead6"
      unitRef="usd">0</ngs:InventoryValuationReservesDeductions>
    <ngs:InventoryValuationReservesDeductions
      contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xOTQvZnJhZzozMWNhMDBmNTVhNDE0NTllODg2M2M4MzEyYTg2Mjc2YS90ZXh0cmVnaW9uOjMxY2EwMGY1NWE0MTQ1OWU4ODYzYzgzMTJhODYyNzZhXzM4NDgyOTA2OTc3MTA_96e4ee10-a2ed-4c6e-b084-4da06c046684"
      unitRef="usd">0</ngs:InventoryValuationReservesDeductions>
    <us-gaap:CompensationAndEmployeeBenefitPlansTextBlock
      contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8yNDkvZnJhZzphNjRiOGM3OWFhNDY0ZDZhYmYzNmEwZjI3OTBlZDBmMy90ZXh0cmVnaW9uOmE2NGI4Yzc5YWE0NjRkNmFiZjM2YTBmMjc5MGVkMGYzXzU0OTc1NTgxNDA5OTU_3a847bfd-5663-4f46-a45d-84a518a8507d">Deferred Compensation Plans&lt;div style="text-indent:36pt;line-height:120%;text-align:justify;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"&gt;The Company has a non-qualified deferred compensation plan for executive officers, directors and certain eligible employees. The assets of the deferred compensation plan are held in a rabbi trust and are subject to additional risk of loss in the event of bankruptcy or insolvency of the Company. The plan allows for deferral of up to 90% of a participant&#x2019;s base salary, bonus, commissions, director fees and restricted stock unit awards. A Company owned life insurance policy held in a rabbi trust is utilized as a source of funding for the plan. The cash surrender value of the life insurance policy is $1.0&#160;million and $754,000 as of June 30, 2018 and 2017, respectively. For the six months ending June 30, 2018, we reported in other (expense) income in the consolidated income statement a loss related to the policy of approximately $55,000 and for the same period in 2017, a gain of approximately $17,000.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt;line-height:120%;text-align:justify;"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt;line-height:120%;text-align:justify;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"&gt;For deferrals of base salary, bonus, commissions and director fees, settlement payments are made to participants in cash, either in a lump sum or in periodic installments. The obligation to pay the deferred compensation and the deferred director fees is adjusted to reflect the positive or negative performance of investment measurement options selected by each participant and was $1.1 million&#160;and $713,000 as of June 30, 2018 and 2017, respectively. The deferred obligation is included in other long-term liabilities in the condensed consolidated balance sheet. &lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt;line-height:120%;text-align:justify;"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt;line-height:120%;text-align:justify;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"&gt;For deferrals of restricted stock units, the plan does not allow for diversification, therefore, distributions are paid in shares of common stock and the obligation is carried at grant value. As of June 30, 2018,&#160;103,691 unvested restricted stock &lt;/span&gt;&lt;/div&gt;units have been deferred of which&#160;32,936 units have been released and issued to the deferred compensation plan with a&#160;value of $837,589.</us-gaap:CompensationAndEmployeeBenefitPlansTextBlock>
    <ngs:DeferredCompensationArrangementwithIndividualMaximumAnnualContributionsPerEmployeePercent
      contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8yNDkvZnJhZzphNjRiOGM3OWFhNDY0ZDZhYmYzNmEwZjI3OTBlZDBmMy90ZXh0cmVnaW9uOmE2NGI4Yzc5YWE0NjRkNmFiZjM2YTBmMjc5MGVkMGYzXzMyOTg1MzQ4ODUyMjM_b5fe504c-72dc-45f1-beb8-d2e7da90f89c"
      unitRef="number">0.90</ngs:DeferredCompensationArrangementwithIndividualMaximumAnnualContributionsPerEmployeePercent>
    <us-gaap:LifeInsuranceCorporateOrBankOwnedAmount
      contextRef="i4a0749d860044c61bf1ca42bfa4d1200_I20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8yNDkvZnJhZzphNjRiOGM3OWFhNDY0ZDZhYmYzNmEwZjI3OTBlZDBmMy90ZXh0cmVnaW9uOmE2NGI4Yzc5YWE0NjRkNmFiZjM2YTBmMjc5MGVkMGYzXzMyOTg1MzQ4ODUyMjU_5cd15b80-8ab2-404a-a787-9a8546dc6f30"
      unitRef="usd">1000000.0</us-gaap:LifeInsuranceCorporateOrBankOwnedAmount>
    <us-gaap:LifeInsuranceCorporateOrBankOwnedAmount
      contextRef="ifaf7beb52b3548fcb1b665aeb3553709_I20170630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8yNDkvZnJhZzphNjRiOGM3OWFhNDY0ZDZhYmYzNmEwZjI3OTBlZDBmMy90ZXh0cmVnaW9uOmE2NGI4Yzc5YWE0NjRkNmFiZjM2YTBmMjc5MGVkMGYzXzMyOTg1MzQ4ODUyMjc_9c867d26-0405-4801-b71f-b6be7290d95e"
      unitRef="usd">754000</us-gaap:LifeInsuranceCorporateOrBankOwnedAmount>
    <us-gaap:LifeInsuranceCorporateOrBankOwnedChangeInValue
      contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8yNDkvZnJhZzphNjRiOGM3OWFhNDY0ZDZhYmYzNmEwZjI3OTBlZDBmMy90ZXh0cmVnaW9uOmE2NGI4Yzc5YWE0NjRkNmFiZjM2YTBmMjc5MGVkMGYzXzMyOTg1MzQ4ODUyMjk_274275ab-6bb2-4d3f-b3d3-2d550700c014"
      unitRef="usd">-55000</us-gaap:LifeInsuranceCorporateOrBankOwnedChangeInValue>
    <us-gaap:LifeInsuranceCorporateOrBankOwnedChangeInValue
      contextRef="iae1008ff6a854658ab77be281aab8a0c_D20170101-20170630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8yNDkvZnJhZzphNjRiOGM3OWFhNDY0ZDZhYmYzNmEwZjI3OTBlZDBmMy90ZXh0cmVnaW9uOmE2NGI4Yzc5YWE0NjRkNmFiZjM2YTBmMjc5MGVkMGYzXzMyOTg1MzQ4ODUyMzE_f62f69d8-07af-4286-a163-0f6711e98add"
      unitRef="usd">17000</us-gaap:LifeInsuranceCorporateOrBankOwnedChangeInValue>
    <us-gaap:DeferredCompensationArrangementWithIndividualRecordedLiability
      contextRef="i4a0749d860044c61bf1ca42bfa4d1200_I20180630"
      decimals="-5"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8yNDkvZnJhZzphNjRiOGM3OWFhNDY0ZDZhYmYzNmEwZjI3OTBlZDBmMy90ZXh0cmVnaW9uOmE2NGI4Yzc5YWE0NjRkNmFiZjM2YTBmMjc5MGVkMGYzXzMyOTg1MzQ4ODUyMzM_440fe3d3-613a-4a37-9c85-e97e4039ebd6"
      unitRef="usd">1100000</us-gaap:DeferredCompensationArrangementWithIndividualRecordedLiability>
    <us-gaap:DeferredCompensationArrangementWithIndividualRecordedLiability
      contextRef="ifaf7beb52b3548fcb1b665aeb3553709_I20170630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8yNDkvZnJhZzphNjRiOGM3OWFhNDY0ZDZhYmYzNmEwZjI3OTBlZDBmMy90ZXh0cmVnaW9uOmE2NGI4Yzc5YWE0NjRkNmFiZjM2YTBmMjc5MGVkMGYzXzMyOTg1MzQ4ODUyMzU_96ebfc3c-6991-492c-be51-cd572653a073"
      unitRef="usd">713000</us-gaap:DeferredCompensationArrangementWithIndividualRecordedLiability>
    <ngs:DeferredCompensationArrangementwithIndividualDeferredRestrictedStock
      contextRef="i4a0749d860044c61bf1ca42bfa4d1200_I20180630"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8yNDkvZnJhZzphNjRiOGM3OWFhNDY0ZDZhYmYzNmEwZjI3OTBlZDBmMy90ZXh0cmVnaW9uOmE2NGI4Yzc5YWE0NjRkNmFiZjM2YTBmMjc5MGVkMGYzXzMyOTg1MzQ4ODUyMzg_08693910-591e-4ce1-af1a-096bbef92cf6"
      unitRef="shares">103691</ngs:DeferredCompensationArrangementwithIndividualDeferredRestrictedStock>
    <us-gaap:DeferredCompensationArrangementWithIndividualSharesIssued
      contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8yNDkvZnJhZzphNjRiOGM3OWFhNDY0ZDZhYmYzNmEwZjI3OTBlZDBmMy90ZXh0cmVnaW9uOmE2NGI4Yzc5YWE0NjRkNmFiZjM2YTBmMjc5MGVkMGYzXzMyOTg1MzQ4ODUyNDA_f15c7035-37d0-4be5-8806-ae23d89f4815"
      unitRef="shares">32936</us-gaap:DeferredCompensationArrangementWithIndividualSharesIssued>
    <us-gaap:DeferredCompensationArrangementWithIndividualFairValueOfSharesIssued
      contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630"
      decimals="0"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8yNDkvZnJhZzphNjRiOGM3OWFhNDY0ZDZhYmYzNmEwZjI3OTBlZDBmMy90ZXh0cmVnaW9uOmE2NGI4Yzc5YWE0NjRkNmFiZjM2YTBmMjc5MGVkMGYzXzMyOTg1MzQ4ODUyNDI_01ae3ab8-1338-4e2b-b6ed-a55aa00000a9"
      unitRef="usd">837589</us-gaap:DeferredCompensationArrangementWithIndividualFairValueOfSharesIssued>
    <us-gaap:DebtDisclosureTextBlock
      contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8yNzYvZnJhZzo5ZWNhOGY3MjMzZjY0MDJmYjUyZjA4NzRkYzcxMzUwZC90ZXh0cmVnaW9uOjllY2E4ZjcyMzNmNjQwMmZiNTJmMDg3NGRjNzEzNTBkXzU0OTc1NTgxNDQ3Mjg_96716bce-4e87-4ffe-8987-e1102d8bc84a">Credit Facility&lt;div style="text-indent:36pt;line-height:120%;text-align:justify;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"&gt;We have a senior secured revolving credit agreement the ("Amended Credit Agreement") with JP Morgan Chase Bank, N.A (the "Lender") with an aggregate commitment of&#160;$30 million, subject to collateral availability. We also have a right to request from the Lender, on an uncommitted basis, an increase of up to $20 million on the aggregate commitment (which could potentially increase the commitment amount to&#160;$50 million).  On August 31, 2017, we amended and renewed the Amended Credit Agreement, which was set to expire on December 31, 2017. The Credit Agreement Amendment extended the maturity date to December 31, 2020. No other material revisions were made to the credit facility.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:45pt;line-height:120%;text-align:justify;"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;text-align:justify;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-style:italic;line-height:120%;vertical-align:bottom;"&gt;Borrowing Base&lt;/span&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"&gt;. At any time before the maturity of the Amended Credit Agreement, we may draw, repay and re-borrow amounts available under the borrowing base up to the maximum aggregate availability discussed above. Generally, the borrowing base equals the sum of (a)&#160;80%&#160;of our eligible accounts receivable plus (b) &#160;50%&#160;of the book value of our eligible general inventory (not to exceed 50%&#160;of the commitment amount at the time) plus (c) 75%&#160;of the book value of our eligible equipment inventory.&#160;The Lender may adjust the borrowing base components if material deviations in the collateral are discovered in future audits of the collateral. We had&#160;$29.5 million borrowing base availability at June 30, 2018 under the terms of our Amended Credit Agreement.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;text-align:justify;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;text-align:justify;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-style:italic;line-height:120%;vertical-align:bottom;"&gt;Interest and Fees&lt;/span&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"&gt;.&#160;&#160;Under the terms of the Amended Credit Agreement, we have the option of selecting the applicable variable rate for each revolving loan, or portion thereof, of either (a)&#160;LIBOR multiplied by the Statutory Reserve Rate (as defined in the Amended Credit Agreement), with respect to this rate, for Eurocurrency funding, plus the Applicable Margin (&#x201c;LIBOR-based&#x201d;), or (b)&#160;CB Floating Rate, which is the Lender's Prime Rate less the Applicable Margin; provided, however, that no more than three LIBOR-based borrowings under the agreement may be outstanding at any one time.&#160;For purposes of the LIBOR-based interest rate, the Applicable Margin is 1.50%. For purposes of the CB Floating Rate, the Applicable Margin is 1.50%. For the six month period ended June 30, 2018, our weighted average interest rate was 3.37%.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;text-align:justify;"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt;line-height:120%;text-align:justify;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"&gt;Accrued interest is payable monthly on outstanding principal amounts, provided that accrued interest on LIBOR-based loans is payable at the end of each interest period, but in no event less frequently than quarterly. In addition, fees and expenses are payable in connection with our requests for letters of credit (generally equal to the Applicable Margin for LIBOR-related borrowings multiplied by the face amount of the requested letter of credit) and administrative and legal costs.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;text-align:justify;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;text-align:justify;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-style:italic;line-height:120%;vertical-align:bottom;"&gt;Maturity&lt;/span&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"&gt;. The maturity date of the Amended Credit Agreement is December&#160;31, 2020, at which time all amounts borrowed under the agreement will be due and outstanding letters of credit must be cash collateralized. The agreement may be terminated early upon our request or the occurrence of an event of default.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;text-align:justify;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;text-align:justify;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-style:italic;line-height:120%;vertical-align:bottom;"&gt;Security&lt;/span&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"&gt;. The obligations under the Amended Credit Agreement are secured by a first priority lien on all of our inventory and accounts and leases receivables, along with a first priority lien on a variable number of our leased compressor equipment the book value of which must be maintained at a minimum of 2.00&#160;to 1.00&#160;commitment coverage ratio (such ratio being equal to (i) the amount of the borrowing base as of such date to (ii) the amount of the commitment as of such date.)&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;text-align:justify;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;text-align:justify;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-style:italic;line-height:120%;vertical-align:bottom;"&gt;Covenants.&lt;/span&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"&gt; The Amended Credit Agreement contains customary representations and warranties, as well as covenants which, among other things, limit our ability to incur additional indebtedness and liens; enter into transactions with affiliates; make acquisitions in excess of certain amounts; pay dividends; redeem or repurchase capital stock or senior notes; make investments or loans; make negative pledges; consolidate, merge or effect asset sales; or change the nature of our business. In addition, we also have certain financial covenants that require us to maintain on a consolidated basis a leverage ratio less than or equal to&#160;2.50&#160;to 1.00 as of the last day of each fiscal quarter.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;text-align:justify;"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;text-align:justify;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-style:italic;line-height:120%;vertical-align:bottom;"&gt;Events of Default and Acceleration.&lt;/span&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"&gt; The Amended Credit Agreement contains customary events of default for credit facilities of this size and type, and includes, without limitation, payment defaults; defaults in performance of covenants or other agreements contained in the loan documents; inaccuracies in representations and warranties; certain defaults, termination events or similar events; certain defaults with respect to any other Company indebtedness in excess of $50,000; certain bankruptcy or insolvency events; the rendering of certain judgments in excess of $150,000; certain ERISA events; certain change in control events and the defectiveness of any liens under the secured revolving credit facility.  Obligations under the Amended Credit Agreement may be accelerated upon the occurrence of an event of default.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;text-align:justify;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;As of June 30, 2018, we were in compliance with all covenants in our Amended Credit Agreement.&#160;&#160;A default under our Credit Agreement could trigger the acceleration of our bank debt so that it is immediately due and payable.&#160;&#160;Such default would likely limit our ability to access other credit. At June 30, 2018 and December 31, 2017 our outstanding balance on the line&#160;of credit was $417,000.</us-gaap:DebtDisclosureTextBlock>
    <us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity
      contextRef="ie7cfbc6b43db46e09f63047029882524_I20180630"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8yNzYvZnJhZzo5ZWNhOGY3MjMzZjY0MDJmYjUyZjA4NzRkYzcxMzUwZC90ZXh0cmVnaW9uOjllY2E4ZjcyMzNmNjQwMmZiNTJmMDg3NGRjNzEzNTBkXzMyOTg1MzQ4ODg4NDA_4ec5a19f-3ed4-4478-9f28-293fdd2aa63e"
      unitRef="usd">30000000</us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity>
    <ngs:LineOfCreditFacilityPotentialIncreaseInBorrowingCapacity
      contextRef="i2cfb558360254ebbb58258f9ad5a3f6f_D20180101-20180630"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8yNzYvZnJhZzo5ZWNhOGY3MjMzZjY0MDJmYjUyZjA4NzRkYzcxMzUwZC90ZXh0cmVnaW9uOjllY2E4ZjcyMzNmNjQwMmZiNTJmMDg3NGRjNzEzNTBkXzMyOTg1MzQ4ODg4NTQ_ff9b6d54-954f-4c1a-a8c6-812ef620d21c"
      unitRef="usd">20000000</ngs:LineOfCreditFacilityPotentialIncreaseInBorrowingCapacity>
    <ngs:LineOfCreditFacilityPotentialMaximumBorrowingCapacity
      contextRef="ie7cfbc6b43db46e09f63047029882524_I20180630"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8yNzYvZnJhZzo5ZWNhOGY3MjMzZjY0MDJmYjUyZjA4NzRkYzcxMzUwZC90ZXh0cmVnaW9uOjllY2E4ZjcyMzNmNjQwMmZiNTJmMDg3NGRjNzEzNTBkXzMyOTg1MzQ4ODg4NTY_d69c1145-6217-4e6e-92f9-bf262eddb746"
      unitRef="usd">50000000</ngs:LineOfCreditFacilityPotentialMaximumBorrowingCapacity>
    <ngs:LineOfCreditFacilityCurrentBorrowingCapacityComponentPercentageOfEligibleAccountsReceivable
      contextRef="ie7cfbc6b43db46e09f63047029882524_I20180630"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8yNzYvZnJhZzo5ZWNhOGY3MjMzZjY0MDJmYjUyZjA4NzRkYzcxMzUwZC90ZXh0cmVnaW9uOjllY2E4ZjcyMzNmNjQwMmZiNTJmMDg3NGRjNzEzNTBkXzMyOTg1MzQ4ODg4ODg_1e03d943-d782-4b9c-a46e-c185e490c2c2"
      unitRef="number">0.80</ngs:LineOfCreditFacilityCurrentBorrowingCapacityComponentPercentageOfEligibleAccountsReceivable>
    <ngs:LineOfCreditFacilityCurrentBorrowingCapacityComponentPercentageOfEligibleGeneralInventory
      contextRef="ie7cfbc6b43db46e09f63047029882524_I20180630"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8yNzYvZnJhZzo5ZWNhOGY3MjMzZjY0MDJmYjUyZjA4NzRkYzcxMzUwZC90ZXh0cmVnaW9uOjllY2E4ZjcyMzNmNjQwMmZiNTJmMDg3NGRjNzEzNTBkXzMyOTg1MzQ4ODg4OTA_17057a0a-0a4f-4735-9747-65d67ab7c3b5"
      unitRef="number">0.50</ngs:LineOfCreditFacilityCurrentBorrowingCapacityComponentPercentageOfEligibleGeneralInventory>
    <ngs:LineOfCreditFacilityCurrentBorrowingCapacityAllowableShareOfTotalCommitmentAmountAttributableToGeneralInventoryComponent
      contextRef="ie7cfbc6b43db46e09f63047029882524_I20180630"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8yNzYvZnJhZzo5ZWNhOGY3MjMzZjY0MDJmYjUyZjA4NzRkYzcxMzUwZC90ZXh0cmVnaW9uOjllY2E4ZjcyMzNmNjQwMmZiNTJmMDg3NGRjNzEzNTBkXzMyOTg1MzQ4ODg4OTI_4519902a-b503-41f3-b371-89910d4dec9a"
      unitRef="number">0.50</ngs:LineOfCreditFacilityCurrentBorrowingCapacityAllowableShareOfTotalCommitmentAmountAttributableToGeneralInventoryComponent>
    <ngs:LineOfCreditFacilityCurrentBorrowingCapacityComponentPercentageOfEligibleEquipmentInventory
      contextRef="ie7cfbc6b43db46e09f63047029882524_I20180630"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8yNzYvZnJhZzo5ZWNhOGY3MjMzZjY0MDJmYjUyZjA4NzRkYzcxMzUwZC90ZXh0cmVnaW9uOjllY2E4ZjcyMzNmNjQwMmZiNTJmMDg3NGRjNzEzNTBkXzMyOTg1MzQ4ODg4OTQ_294d72b3-5c6e-4b0e-8da0-cfb09ed7eff3"
      unitRef="number">0.75</ngs:LineOfCreditFacilityCurrentBorrowingCapacityComponentPercentageOfEligibleEquipmentInventory>
    <us-gaap:LineOfCreditFacilityCurrentBorrowingCapacity
      contextRef="ie7cfbc6b43db46e09f63047029882524_I20180630"
      decimals="-5"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8yNzYvZnJhZzo5ZWNhOGY3MjMzZjY0MDJmYjUyZjA4NzRkYzcxMzUwZC90ZXh0cmVnaW9uOjllY2E4ZjcyMzNmNjQwMmZiNTJmMDg3NGRjNzEzNTBkXzMyOTg1MzQ4ODg4OTY_e9ed443c-e2ca-499c-87c5-06bcf6482151"
      unitRef="usd">29500000</us-gaap:LineOfCreditFacilityCurrentBorrowingCapacity>
    <ngs:LineOfCreditFacilityReferenceRateNumberOfAllowableBorrowingsOutstanding
      contextRef="ib9173b11a2f2429f9000b630d3de30b1_I20180630"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8yNzYvZnJhZzo5ZWNhOGY3MjMzZjY0MDJmYjUyZjA4NzRkYzcxMzUwZC90ZXh0cmVnaW9uOjllY2E4ZjcyMzNmNjQwMmZiNTJmMDg3NGRjNzEzNTBkXzMyOTg1MzQ4ODg5NTA_8eb28174-a4b9-404b-ad5a-6b76492c30dc"
      unitRef="loan">3</ngs:LineOfCreditFacilityReferenceRateNumberOfAllowableBorrowingsOutstanding>
    <us-gaap:DebtInstrumentBasisSpreadOnVariableRate1
      contextRef="ia9fbf53aa453443983937be128f6949b_D20180101-20180630"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8yNzYvZnJhZzo5ZWNhOGY3MjMzZjY0MDJmYjUyZjA4NzRkYzcxMzUwZC90ZXh0cmVnaW9uOjllY2E4ZjcyMzNmNjQwMmZiNTJmMDg3NGRjNzEzNTBkXzMyOTg1MzQ4ODg5NTI_c7fb22f2-e061-4fa2-80ee-dec7fb9413d6"
      unitRef="number">0.0150</us-gaap:DebtInstrumentBasisSpreadOnVariableRate1>
    <us-gaap:DebtInstrumentBasisSpreadOnVariableRate1
      contextRef="ie1094797fe3c43f182d8aa48fc411608_D20180101-20180630"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8yNzYvZnJhZzo5ZWNhOGY3MjMzZjY0MDJmYjUyZjA4NzRkYzcxMzUwZC90ZXh0cmVnaW9uOjllY2E4ZjcyMzNmNjQwMmZiNTJmMDg3NGRjNzEzNTBkXzMyOTg1MzQ4ODg5NTQ_7bf28219-a30e-4fdb-9726-05ccf4848c1f"
      unitRef="number">0.0150</us-gaap:DebtInstrumentBasisSpreadOnVariableRate1>
    <us-gaap:LineOfCreditFacilityInterestRateDuringPeriod
      contextRef="i2cfb558360254ebbb58258f9ad5a3f6f_D20180101-20180630"
      decimals="4"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8yNzYvZnJhZzo5ZWNhOGY3MjMzZjY0MDJmYjUyZjA4NzRkYzcxMzUwZC90ZXh0cmVnaW9uOjllY2E4ZjcyMzNmNjQwMmZiNTJmMDg3NGRjNzEzNTBkXzMyOTg1MzQ4ODg5NTY_ec8ec3f9-54c2-4a7a-a5fe-e721bc9a3e0e"
      unitRef="number">0.0337</us-gaap:LineOfCreditFacilityInterestRateDuringPeriod>
    <ngs:LineofCreditFacilityCommitmentCoverageRatio
      contextRef="id19f0177eb8942f29ee6c46e3ba9d8f6_D20180101-20180630"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8yNzYvZnJhZzo5ZWNhOGY3MjMzZjY0MDJmYjUyZjA4NzRkYzcxMzUwZC90ZXh0cmVnaW9uOjllY2E4ZjcyMzNmNjQwMmZiNTJmMDg3NGRjNzEzNTBkXzMyOTg1MzQ4ODg5ODg_2632e922-7d31-4dc6-9060-64e266be46db"
      unitRef="number">2.00</ngs:LineofCreditFacilityCommitmentCoverageRatio>
    <ngs:LineofCreditFacilityLeverageRatio
      contextRef="ibc68fe2b3be241dfa33b2f8067418d70_D20180101-20180630"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8yNzYvZnJhZzo5ZWNhOGY3MjMzZjY0MDJmYjUyZjA4NzRkYzcxMzUwZC90ZXh0cmVnaW9uOjllY2E4ZjcyMzNmNjQwMmZiNTJmMDg3NGRjNzEzNTBkXzMyOTg1MzQ4ODg5OTI_1deeed10-209b-483f-bc24-af539503c2a1"
      unitRef="number">2.50</ngs:LineofCreditFacilityLeverageRatio>
    <ngs:LineOfCreditFacilityDefaultTriggerCertainDefaultsOfOtherCompanyIndebtednessAmount
      contextRef="ie7cfbc6b43db46e09f63047029882524_I20180630"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8yNzYvZnJhZzo5ZWNhOGY3MjMzZjY0MDJmYjUyZjA4NzRkYzcxMzUwZC90ZXh0cmVnaW9uOjllY2E4ZjcyMzNmNjQwMmZiNTJmMDg3NGRjNzEzNTBkXzMyOTg1MzQ4ODg5OTY_a64c2dde-37d6-4784-b6fa-0035f094406c"
      unitRef="usd">50000</ngs:LineOfCreditFacilityDefaultTriggerCertainDefaultsOfOtherCompanyIndebtednessAmount>
    <ngs:LineOfCreditFacilityDefaultTriggerRenderingOfCertainJudgmentsAmount
      contextRef="ie7cfbc6b43db46e09f63047029882524_I20180630"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8yNzYvZnJhZzo5ZWNhOGY3MjMzZjY0MDJmYjUyZjA4NzRkYzcxMzUwZC90ZXh0cmVnaW9uOjllY2E4ZjcyMzNmNjQwMmZiNTJmMDg3NGRjNzEzNTBkXzMyOTg1MzQ4ODg5OTg_b17aa917-8086-402c-92dc-84dcfa432ac3"
      unitRef="usd">150000</ngs:LineOfCreditFacilityDefaultTriggerRenderingOfCertainJudgmentsAmount>
    <us-gaap:LineOfCredit
      contextRef="i3bfdc33954c04e2298ca19dbca0d31bc_I20171231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8yNzYvZnJhZzo5ZWNhOGY3MjMzZjY0MDJmYjUyZjA4NzRkYzcxMzUwZC90ZXh0cmVnaW9uOjllY2E4ZjcyMzNmNjQwMmZiNTJmMDg3NGRjNzEzNTBkXzMyOTg1MzQ4ODkwMDA_17273cee-33bb-4ac2-8c8d-733ae5a5fc89"
      unitRef="usd">417000</us-gaap:LineOfCredit>
    <us-gaap:LineOfCredit
      contextRef="ie7cfbc6b43db46e09f63047029882524_I20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8yNzYvZnJhZzo5ZWNhOGY3MjMzZjY0MDJmYjUyZjA4NzRkYzcxMzUwZC90ZXh0cmVnaW9uOjllY2E4ZjcyMzNmNjQwMmZiNTJmMDg3NGRjNzEzNTBkXzMyOTg1MzQ4ODkwMDA_e1baf409-736e-4472-a22b-603aba7936ae"
      unitRef="usd">417000</us-gaap:LineOfCredit>
    <us-gaap:EarningsPerShareTextBlock
      contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zMTcvZnJhZzozZWEyNzY5ODA0MDQ0NGFiOTk4MTM5ZGJhY2NmNWU2OS90ZXh0cmVnaW9uOjNlYTI3Njk4MDQwNDQ0YWI5OTgxMzlkYmFjY2Y1ZTY5XzQ2NzI5MjQ0MTgyMzA0_880bf778-54b8-410b-ae50-32e7f57d9a53">Earnings per Share&lt;div style="text-indent:36pt;line-height:120%;text-align:justify;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"&gt;The following table reconciles the numerators and denominators of the basic and diluted earnings per share computation&#160;&lt;/span&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-style:italic;line-height:120%;vertical-align:bottom;"&gt;(in thousands, except per share data)&lt;/span&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"&gt;:&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt;line-height:120%;text-align:justify;"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;text-align:center;"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:center;"&gt;&lt;table style="margin-left:auto;margin-right:auto;border-collapse:collapse;text-align:left;text-indent:0pt;display:inline-table;width:99.990000%;"&gt;&lt;tr&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:39.081871%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:10.573099%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:1.261988%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:10.719298%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:2.139181%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:12.619883%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:0.1%;"/&gt;&lt;td style="width:0.384795%;"/&gt;&lt;td style="width:0.1%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:12.619883%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="9" style="padding-top:2px;padding-bottom:2px;height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;div style="line-height:100%;text-align:center;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;"&gt;Three months ended&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="9" style="padding-top:2px;padding-bottom:2px;height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;div style="line-height:100%;text-align:center;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;"&gt;Six months ended&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="9" style="padding-top:2px;padding-bottom:2px;height:15pt;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;June 30, &#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="9" style="padding-top:2px;padding-bottom:2px;height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;div style="line-height:100%;text-align:center;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;"&gt;June 30,&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;2018&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;2017&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"&gt;&lt;div style="line-height:100%;text-align:center;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;"&gt;2018&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"&gt;&lt;div style="line-height:100%;text-align:center;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;"&gt;2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Numerator:&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;padding-right:1pt;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:18pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Net income&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;247&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;375&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;472&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;627&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Denominator for basic net income per common share:&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:3pt double #000000;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:3pt double #000000;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:3pt double #000000;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:3pt double #000000;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:18pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Weighted average common shares outstanding&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;12,963&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;12,831&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;12,941&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;12,818&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Denominator for diluted net income per share:&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:3pt double #000000;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:3pt double #000000;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:3pt double #000000;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:3pt double #000000;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:18pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Weighted average common shares outstanding&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;12,963&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;12,831&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;12,941&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;12,818&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:18pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Dilutive effect of stock options and restricted stock&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;298&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;299&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;274&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;275&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:18pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Diluted weighted average shares&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;13,261&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;13,130&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;13,215&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;13,093&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Earnings per common share:&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:3pt double #000000;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:3pt double #000000;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:3pt double #000000;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:3pt double #000000;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:18pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Basic&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;0.02&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;0.03&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;0.04&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;0.05&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:18pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Diluted&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;0.02&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;0.03&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;0.04&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;0.05&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div style="line-height:120%;text-align:center;"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;text-align:justify;"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt;line-height:120%;text-align:justify;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"&gt;In the three and six months ended June 30, 2018, options to purchase&#160;83,417&#160;shares of common stock with exercise prices ranging from $28.15&#160;to $33.36&#160;were not included in the computation of dilutive income per share, due to their antidilutive effect.&lt;/span&gt;&lt;/div&gt;In the three and&#160;six months ended June 30, 2017, options to purchase 83,917 shares of common stock with exercise prices ranging from $28.15 to $33.36 were not included in the computation of dilutive income per share, due to their antidilutive effect.</us-gaap:EarningsPerShareTextBlock>
    <us-gaap:ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock
      contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zMTcvZnJhZzozZWEyNzY5ODA0MDQ0NGFiOTk4MTM5ZGJhY2NmNWU2OS90ZXh0cmVnaW9uOjNlYTI3Njk4MDQwNDQ0YWI5OTgxMzlkYmFjY2Y1ZTY5XzU0OTc1NTgxMzk0MTI_7a1946f6-b885-4498-9a96-c7f01cf4f9af">&lt;div style="text-indent:36pt;line-height:120%;text-align:justify;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"&gt;The following table reconciles the numerators and denominators of the basic and diluted earnings per share computation&#160;&lt;/span&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-style:italic;line-height:120%;vertical-align:bottom;"&gt;(in thousands, except per share data)&lt;/span&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"&gt;:&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt;line-height:120%;text-align:justify;"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;text-align:center;"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:center;"&gt;&lt;table style="margin-left:auto;margin-right:auto;border-collapse:collapse;text-align:left;text-indent:0pt;display:inline-table;width:99.990000%;"&gt;&lt;tr&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:39.081871%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:10.573099%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:1.261988%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:10.719298%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:2.139181%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:12.619883%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:0.1%;"/&gt;&lt;td style="width:0.384795%;"/&gt;&lt;td style="width:0.1%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:12.619883%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="9" style="padding-top:2px;padding-bottom:2px;height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;div style="line-height:100%;text-align:center;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;"&gt;Three months ended&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="9" style="padding-top:2px;padding-bottom:2px;height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;div style="line-height:100%;text-align:center;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;"&gt;Six months ended&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="9" style="padding-top:2px;padding-bottom:2px;height:15pt;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;June 30, &#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="9" style="padding-top:2px;padding-bottom:2px;height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;div style="line-height:100%;text-align:center;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;"&gt;June 30,&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;2018&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;2017&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"&gt;&lt;div style="line-height:100%;text-align:center;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;"&gt;2018&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"&gt;&lt;div style="line-height:100%;text-align:center;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;"&gt;2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Numerator:&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;padding-right:1pt;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:18pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Net income&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;247&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;375&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;472&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;627&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Denominator for basic net income per common share:&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:3pt double #000000;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:3pt double #000000;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:3pt double #000000;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:3pt double #000000;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:18pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Weighted average common shares outstanding&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;12,963&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;12,831&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;12,941&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;12,818&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Denominator for diluted net income per share:&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:3pt double #000000;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:3pt double #000000;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:3pt double #000000;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:3pt double #000000;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:18pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Weighted average common shares outstanding&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;12,963&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;12,831&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;12,941&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;12,818&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:18pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Dilutive effect of stock options and restricted stock&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;298&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;299&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;274&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;275&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:18pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Diluted weighted average shares&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;13,261&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;13,130&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;13,215&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;13,093&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Earnings per common share:&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:3pt double #000000;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:3pt double #000000;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:3pt double #000000;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:3pt double #000000;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:18pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Basic&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;0.02&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;0.03&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;0.04&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;0.05&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:18pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Diluted&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;0.02&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;0.03&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;0.04&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;0.05&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;</us-gaap:ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock>
    <us-gaap:NetIncomeLoss
      contextRef="i486ae96497a44bee87d62f2f3d814d35_D20180401-20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zMTcvZnJhZzozZWEyNzY5ODA0MDQ0NGFiOTk4MTM5ZGJhY2NmNWU2OS90YWJsZTo5YzljZDc2ZDFmMjc0YjA1OGRjMjZjOTVhNjNlMDdkMi90YWJsZXJhbmdlOjljOWNkNzZkMWYyNzRiMDU4ZGMyNmM5NWE2M2UwN2QyXzQtMS0xLTEtMTAwNA_e411a1c0-7cff-4f65-b78d-209af2705d56"
      unitRef="usd">247000</us-gaap:NetIncomeLoss>
    <us-gaap:NetIncomeLoss
      contextRef="i201ed1d2fdd042c0bd171af3de0e4482_D20170401-20170630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zMTcvZnJhZzozZWEyNzY5ODA0MDQ0NGFiOTk4MTM5ZGJhY2NmNWU2OS90YWJsZTo5YzljZDc2ZDFmMjc0YjA1OGRjMjZjOTVhNjNlMDdkMi90YWJsZXJhbmdlOjljOWNkNzZkMWYyNzRiMDU4ZGMyNmM5NWE2M2UwN2QyXzQtMy0xLTEtMTAwNA_73c0698f-80d3-46ea-9908-4ad841410218"
      unitRef="usd">375000</us-gaap:NetIncomeLoss>
    <us-gaap:NetIncomeLoss
      contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zMTcvZnJhZzozZWEyNzY5ODA0MDQ0NGFiOTk4MTM5ZGJhY2NmNWU2OS90YWJsZTo5YzljZDc2ZDFmMjc0YjA1OGRjMjZjOTVhNjNlMDdkMi90YWJsZXJhbmdlOjljOWNkNzZkMWYyNzRiMDU4ZGMyNmM5NWE2M2UwN2QyXzQtNS0xLTEtMTAwNA_a54470cf-0cd0-44e8-93f0-928839de9aa0"
      unitRef="usd">472000</us-gaap:NetIncomeLoss>
    <us-gaap:NetIncomeLoss
      contextRef="iae1008ff6a854658ab77be281aab8a0c_D20170101-20170630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zMTcvZnJhZzozZWEyNzY5ODA0MDQ0NGFiOTk4MTM5ZGJhY2NmNWU2OS90YWJsZTo5YzljZDc2ZDFmMjc0YjA1OGRjMjZjOTVhNjNlMDdkMi90YWJsZXJhbmdlOjljOWNkNzZkMWYyNzRiMDU4ZGMyNmM5NWE2M2UwN2QyXzQtNy0xLTEtMTAwNA_bf4c5ba7-6ca1-4b4e-b673-d53a3f4b1f7a"
      unitRef="usd">627000</us-gaap:NetIncomeLoss>
    <us-gaap:WeightedAverageNumberOfSharesOutstandingBasic
      contextRef="i486ae96497a44bee87d62f2f3d814d35_D20180401-20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zMTcvZnJhZzozZWEyNzY5ODA0MDQ0NGFiOTk4MTM5ZGJhY2NmNWU2OS90YWJsZTo5YzljZDc2ZDFmMjc0YjA1OGRjMjZjOTVhNjNlMDdkMi90YWJsZXJhbmdlOjljOWNkNzZkMWYyNzRiMDU4ZGMyNmM5NWE2M2UwN2QyXzYtMS0xLTEtMTAwNA_17ac5949-47a5-479f-92db-429b54e79fa4"
      unitRef="shares">12963000</us-gaap:WeightedAverageNumberOfSharesOutstandingBasic>
    <us-gaap:WeightedAverageNumberOfSharesOutstandingBasic
      contextRef="i201ed1d2fdd042c0bd171af3de0e4482_D20170401-20170630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zMTcvZnJhZzozZWEyNzY5ODA0MDQ0NGFiOTk4MTM5ZGJhY2NmNWU2OS90YWJsZTo5YzljZDc2ZDFmMjc0YjA1OGRjMjZjOTVhNjNlMDdkMi90YWJsZXJhbmdlOjljOWNkNzZkMWYyNzRiMDU4ZGMyNmM5NWE2M2UwN2QyXzYtMy0xLTEtMTAwNA_00947f67-d06a-4a70-98ae-fb44a465705f"
      unitRef="shares">12831000</us-gaap:WeightedAverageNumberOfSharesOutstandingBasic>
    <us-gaap:WeightedAverageNumberOfSharesOutstandingBasic
      contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zMTcvZnJhZzozZWEyNzY5ODA0MDQ0NGFiOTk4MTM5ZGJhY2NmNWU2OS90YWJsZTo5YzljZDc2ZDFmMjc0YjA1OGRjMjZjOTVhNjNlMDdkMi90YWJsZXJhbmdlOjljOWNkNzZkMWYyNzRiMDU4ZGMyNmM5NWE2M2UwN2QyXzYtNS0xLTEtMTAwNA_61785b2f-d4db-4deb-9da6-6d3d35c5cf4a"
      unitRef="shares">12941000</us-gaap:WeightedAverageNumberOfSharesOutstandingBasic>
    <us-gaap:WeightedAverageNumberOfSharesOutstandingBasic
      contextRef="iae1008ff6a854658ab77be281aab8a0c_D20170101-20170630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zMTcvZnJhZzozZWEyNzY5ODA0MDQ0NGFiOTk4MTM5ZGJhY2NmNWU2OS90YWJsZTo5YzljZDc2ZDFmMjc0YjA1OGRjMjZjOTVhNjNlMDdkMi90YWJsZXJhbmdlOjljOWNkNzZkMWYyNzRiMDU4ZGMyNmM5NWE2M2UwN2QyXzYtNy0xLTEtMTAwNA_b01cb7f5-700a-4834-9632-b149c178005e"
      unitRef="shares">12818000</us-gaap:WeightedAverageNumberOfSharesOutstandingBasic>
    <us-gaap:WeightedAverageNumberOfSharesOutstandingBasic
      contextRef="i486ae96497a44bee87d62f2f3d814d35_D20180401-20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zMTcvZnJhZzozZWEyNzY5ODA0MDQ0NGFiOTk4MTM5ZGJhY2NmNWU2OS90YWJsZTo5YzljZDc2ZDFmMjc0YjA1OGRjMjZjOTVhNjNlMDdkMi90YWJsZXJhbmdlOjljOWNkNzZkMWYyNzRiMDU4ZGMyNmM5NWE2M2UwN2QyXzgtMS0xLTEtMTAwNA_f47d9f79-6e31-4b4a-9cff-933252fee480"
      unitRef="shares">12963000</us-gaap:WeightedAverageNumberOfSharesOutstandingBasic>
    <us-gaap:WeightedAverageNumberOfSharesOutstandingBasic
      contextRef="i201ed1d2fdd042c0bd171af3de0e4482_D20170401-20170630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zMTcvZnJhZzozZWEyNzY5ODA0MDQ0NGFiOTk4MTM5ZGJhY2NmNWU2OS90YWJsZTo5YzljZDc2ZDFmMjc0YjA1OGRjMjZjOTVhNjNlMDdkMi90YWJsZXJhbmdlOjljOWNkNzZkMWYyNzRiMDU4ZGMyNmM5NWE2M2UwN2QyXzgtMy0xLTEtMTAwNA_64112401-860c-48d4-b9ff-764ae6b17ca8"
      unitRef="shares">12831000</us-gaap:WeightedAverageNumberOfSharesOutstandingBasic>
    <us-gaap:WeightedAverageNumberOfSharesOutstandingBasic
      contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zMTcvZnJhZzozZWEyNzY5ODA0MDQ0NGFiOTk4MTM5ZGJhY2NmNWU2OS90YWJsZTo5YzljZDc2ZDFmMjc0YjA1OGRjMjZjOTVhNjNlMDdkMi90YWJsZXJhbmdlOjljOWNkNzZkMWYyNzRiMDU4ZGMyNmM5NWE2M2UwN2QyXzgtNS0xLTEtMTAwNA_c0f45b36-73dc-4b9b-a5f3-9a2079135371"
      unitRef="shares">12941000</us-gaap:WeightedAverageNumberOfSharesOutstandingBasic>
    <us-gaap:WeightedAverageNumberOfSharesOutstandingBasic
      contextRef="iae1008ff6a854658ab77be281aab8a0c_D20170101-20170630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zMTcvZnJhZzozZWEyNzY5ODA0MDQ0NGFiOTk4MTM5ZGJhY2NmNWU2OS90YWJsZTo5YzljZDc2ZDFmMjc0YjA1OGRjMjZjOTVhNjNlMDdkMi90YWJsZXJhbmdlOjljOWNkNzZkMWYyNzRiMDU4ZGMyNmM5NWE2M2UwN2QyXzgtNy0xLTEtMTAwNA_eb18d3b7-5db7-402a-827e-611083193411"
      unitRef="shares">12818000</us-gaap:WeightedAverageNumberOfSharesOutstandingBasic>
    <us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements
      contextRef="i486ae96497a44bee87d62f2f3d814d35_D20180401-20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zMTcvZnJhZzozZWEyNzY5ODA0MDQ0NGFiOTk4MTM5ZGJhY2NmNWU2OS90YWJsZTo5YzljZDc2ZDFmMjc0YjA1OGRjMjZjOTVhNjNlMDdkMi90YWJsZXJhbmdlOjljOWNkNzZkMWYyNzRiMDU4ZGMyNmM5NWE2M2UwN2QyXzktMS0xLTEtMTAwNA_393b9715-5c85-4ee3-8f1b-1378d54fe6a8"
      unitRef="shares">298000</us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements>
    <us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements
      contextRef="i201ed1d2fdd042c0bd171af3de0e4482_D20170401-20170630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zMTcvZnJhZzozZWEyNzY5ODA0MDQ0NGFiOTk4MTM5ZGJhY2NmNWU2OS90YWJsZTo5YzljZDc2ZDFmMjc0YjA1OGRjMjZjOTVhNjNlMDdkMi90YWJsZXJhbmdlOjljOWNkNzZkMWYyNzRiMDU4ZGMyNmM5NWE2M2UwN2QyXzktMy0xLTEtMTAwNA_6d372256-90ff-45a9-afe4-2c8166cde629"
      unitRef="shares">299000</us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements>
    <us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements
      contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zMTcvZnJhZzozZWEyNzY5ODA0MDQ0NGFiOTk4MTM5ZGJhY2NmNWU2OS90YWJsZTo5YzljZDc2ZDFmMjc0YjA1OGRjMjZjOTVhNjNlMDdkMi90YWJsZXJhbmdlOjljOWNkNzZkMWYyNzRiMDU4ZGMyNmM5NWE2M2UwN2QyXzktNS0xLTEtMTAwNA_864f8f47-cd8a-4cde-9e70-6eeb1e4a2d42"
      unitRef="shares">274000</us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements>
    <us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements
      contextRef="iae1008ff6a854658ab77be281aab8a0c_D20170101-20170630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zMTcvZnJhZzozZWEyNzY5ODA0MDQ0NGFiOTk4MTM5ZGJhY2NmNWU2OS90YWJsZTo5YzljZDc2ZDFmMjc0YjA1OGRjMjZjOTVhNjNlMDdkMi90YWJsZXJhbmdlOjljOWNkNzZkMWYyNzRiMDU4ZGMyNmM5NWE2M2UwN2QyXzktNy0xLTEtMTAwNA_8a144281-08fb-4105-8ccf-286c7edc3cf9"
      unitRef="shares">275000</us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements>
    <us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding
      contextRef="i486ae96497a44bee87d62f2f3d814d35_D20180401-20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zMTcvZnJhZzozZWEyNzY5ODA0MDQ0NGFiOTk4MTM5ZGJhY2NmNWU2OS90YWJsZTo5YzljZDc2ZDFmMjc0YjA1OGRjMjZjOTVhNjNlMDdkMi90YWJsZXJhbmdlOjljOWNkNzZkMWYyNzRiMDU4ZGMyNmM5NWE2M2UwN2QyXzEwLTEtMS0xLTEwMDQ_bda3a00c-d9c4-4f61-8634-48f438c99664"
      unitRef="shares">13261000</us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding>
    <us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding
      contextRef="i201ed1d2fdd042c0bd171af3de0e4482_D20170401-20170630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zMTcvZnJhZzozZWEyNzY5ODA0MDQ0NGFiOTk4MTM5ZGJhY2NmNWU2OS90YWJsZTo5YzljZDc2ZDFmMjc0YjA1OGRjMjZjOTVhNjNlMDdkMi90YWJsZXJhbmdlOjljOWNkNzZkMWYyNzRiMDU4ZGMyNmM5NWE2M2UwN2QyXzEwLTMtMS0xLTEwMDQ_ddd2a560-bf1c-4444-9db7-d3973860429e"
      unitRef="shares">13130000</us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding>
    <us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding
      contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zMTcvZnJhZzozZWEyNzY5ODA0MDQ0NGFiOTk4MTM5ZGJhY2NmNWU2OS90YWJsZTo5YzljZDc2ZDFmMjc0YjA1OGRjMjZjOTVhNjNlMDdkMi90YWJsZXJhbmdlOjljOWNkNzZkMWYyNzRiMDU4ZGMyNmM5NWE2M2UwN2QyXzEwLTUtMS0xLTEwMDQ_b8158630-3048-43bf-8fe4-c7deba2234cb"
      unitRef="shares">13215000</us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding>
    <us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding
      contextRef="iae1008ff6a854658ab77be281aab8a0c_D20170101-20170630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zMTcvZnJhZzozZWEyNzY5ODA0MDQ0NGFiOTk4MTM5ZGJhY2NmNWU2OS90YWJsZTo5YzljZDc2ZDFmMjc0YjA1OGRjMjZjOTVhNjNlMDdkMi90YWJsZXJhbmdlOjljOWNkNzZkMWYyNzRiMDU4ZGMyNmM5NWE2M2UwN2QyXzEwLTctMS0xLTEwMDQ_9ae6f81f-f7e2-4495-9ffd-5278bdd353d0"
      unitRef="shares">13093000</us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding>
    <us-gaap:EarningsPerShareBasic
      contextRef="i486ae96497a44bee87d62f2f3d814d35_D20180401-20180630"
      decimals="2"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zMTcvZnJhZzozZWEyNzY5ODA0MDQ0NGFiOTk4MTM5ZGJhY2NmNWU2OS90YWJsZTo5YzljZDc2ZDFmMjc0YjA1OGRjMjZjOTVhNjNlMDdkMi90YWJsZXJhbmdlOjljOWNkNzZkMWYyNzRiMDU4ZGMyNmM5NWE2M2UwN2QyXzAyZjNBQUFBREFBQUFBd0FBQUFCQUFBQUFRQUFBQUFBQUJQSkFBQSUzRA_cd7735fd-eb11-4cec-b1d9-4f204a8042e7"
      unitRef="usdPerShare">0.02</us-gaap:EarningsPerShareBasic>
    <us-gaap:EarningsPerShareBasic
      contextRef="i201ed1d2fdd042c0bd171af3de0e4482_D20170401-20170630"
      decimals="2"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zMTcvZnJhZzozZWEyNzY5ODA0MDQ0NGFiOTk4MTM5ZGJhY2NmNWU2OS90YWJsZTo5YzljZDc2ZDFmMjc0YjA1OGRjMjZjOTVhNjNlMDdkMi90YWJsZXJhbmdlOjljOWNkNzZkMWYyNzRiMDU4ZGMyNmM5NWE2M2UwN2QyXzAyZjVBQUFBREFBQUFBd0FBQUFEQUFBQUF3QUFBQUFBQUJQTkFBQSUzRA_c5c88c72-3d5e-4ba5-9db3-1b96ae7be9c9"
      unitRef="usdPerShare">0.03</us-gaap:EarningsPerShareBasic>
    <us-gaap:EarningsPerShareBasic
      contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630"
      decimals="2"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zMTcvZnJhZzozZWEyNzY5ODA0MDQ0NGFiOTk4MTM5ZGJhY2NmNWU2OS90YWJsZTo5YzljZDc2ZDFmMjc0YjA1OGRjMjZjOTVhNjNlMDdkMi90YWJsZXJhbmdlOjljOWNkNzZkMWYyNzRiMDU4ZGMyNmM5NWE2M2UwN2QyXzAyY2JBQUFBREFBQUFBd0FBQUFGQUFBQUJRQUFBQUFBQUJQUkFBQSUzRA_b941c3a8-520d-47c2-b06f-dbcb3cb2f94d"
      unitRef="usdPerShare">0.04</us-gaap:EarningsPerShareBasic>
    <us-gaap:EarningsPerShareBasic
      contextRef="iae1008ff6a854658ab77be281aab8a0c_D20170101-20170630"
      decimals="2"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zMTcvZnJhZzozZWEyNzY5ODA0MDQ0NGFiOTk4MTM5ZGJhY2NmNWU2OS90YWJsZTo5YzljZDc2ZDFmMjc0YjA1OGRjMjZjOTVhNjNlMDdkMi90YWJsZXJhbmdlOjljOWNkNzZkMWYyNzRiMDU4ZGMyNmM5NWE2M2UwN2QyXzAyY2ZBQUFBREFBQUFBd0FBQUFIQUFBQUJ3QUFBQUFBQUJQVkFBQSUzRA_2858844a-ce41-4c22-9776-fc4fdf4a4eda"
      unitRef="usdPerShare">0.05</us-gaap:EarningsPerShareBasic>
    <us-gaap:EarningsPerShareDiluted
      contextRef="i486ae96497a44bee87d62f2f3d814d35_D20180401-20180630"
      decimals="2"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zMTcvZnJhZzozZWEyNzY5ODA0MDQ0NGFiOTk4MTM5ZGJhY2NmNWU2OS90YWJsZTo5YzljZDc2ZDFmMjc0YjA1OGRjMjZjOTVhNjNlMDdkMi90YWJsZXJhbmdlOjljOWNkNzZkMWYyNzRiMDU4ZGMyNmM5NWE2M2UwN2QyXzAyZjJBQUFBRFFBQUFBMEFBQUFCQUFBQUFRQUFBQUFBQUJQTEFBQSUzRA_bcb7b278-15c2-4315-9edf-1684fc80b91a"
      unitRef="usdPerShare">0.02</us-gaap:EarningsPerShareDiluted>
    <us-gaap:EarningsPerShareDiluted
      contextRef="i201ed1d2fdd042c0bd171af3de0e4482_D20170401-20170630"
      decimals="2"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zMTcvZnJhZzozZWEyNzY5ODA0MDQ0NGFiOTk4MTM5ZGJhY2NmNWU2OS90YWJsZTo5YzljZDc2ZDFmMjc0YjA1OGRjMjZjOTVhNjNlMDdkMi90YWJsZXJhbmdlOjljOWNkNzZkMWYyNzRiMDU4ZGMyNmM5NWE2M2UwN2QyXzAyZjZBQUFBRFFBQUFBMEFBQUFEQUFBQUF3QUFBQUFBQUJQUEFBQSUzRA_17c71667-78c1-469c-bdfc-2ee489ecbe61"
      unitRef="usdPerShare">0.03</us-gaap:EarningsPerShareDiluted>
    <us-gaap:EarningsPerShareDiluted
      contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630"
      decimals="2"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zMTcvZnJhZzozZWEyNzY5ODA0MDQ0NGFiOTk4MTM5ZGJhY2NmNWU2OS90YWJsZTo5YzljZDc2ZDFmMjc0YjA1OGRjMjZjOTVhNjNlMDdkMi90YWJsZXJhbmdlOjljOWNkNzZkMWYyNzRiMDU4ZGMyNmM5NWE2M2UwN2QyXzAyYzhBQUFBRFFBQUFBMEFBQUFGQUFBQUJRQUFBQUFBQUJQVEFBQSUzRA_aa47d0a3-5006-4cca-9c22-3cede0ef825c"
      unitRef="usdPerShare">0.04</us-gaap:EarningsPerShareDiluted>
    <us-gaap:EarningsPerShareDiluted
      contextRef="iae1008ff6a854658ab77be281aab8a0c_D20170101-20170630"
      decimals="2"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zMTcvZnJhZzozZWEyNzY5ODA0MDQ0NGFiOTk4MTM5ZGJhY2NmNWU2OS90YWJsZTo5YzljZDc2ZDFmMjc0YjA1OGRjMjZjOTVhNjNlMDdkMi90YWJsZXJhbmdlOjljOWNkNzZkMWYyNzRiMDU4ZGMyNmM5NWE2M2UwN2QyXzAyY2VBQUFBRFFBQUFBMEFBQUFIQUFBQUJ3QUFBQUFBQUJQWEFBQSUzRA_01557434-a457-4ed3-918c-6f2dc861036d"
      unitRef="usdPerShare">0.05</us-gaap:EarningsPerShareDiluted>
    <us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
      contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zMTcvZnJhZzozZWEyNzY5ODA0MDQ0NGFiOTk4MTM5ZGJhY2NmNWU2OS90ZXh0cmVnaW9uOjNlYTI3Njk4MDQwNDQ0YWI5OTgxMzlkYmFjY2Y1ZTY5XzMyOTg1MzQ4ODM3ODU_97cee06d-6462-4bea-b092-afbd0b0b97a7"
      unitRef="shares">83417</us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount>
    <us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
      contextRef="i486ae96497a44bee87d62f2f3d814d35_D20180401-20180630"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zMTcvZnJhZzozZWEyNzY5ODA0MDQ0NGFiOTk4MTM5ZGJhY2NmNWU2OS90ZXh0cmVnaW9uOjNlYTI3Njk4MDQwNDQ0YWI5OTgxMzlkYmFjY2Y1ZTY5XzMyOTg1MzQ4ODM3ODU_df903c7a-682c-4a8c-abe1-d7af4dbbd180"
      unitRef="shares">83417</us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount>
    <us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit
      contextRef="i44cf146e9b604b5eaabc66941a245877_D20180401-20180630"
      decimals="2"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zMTcvZnJhZzozZWEyNzY5ODA0MDQ0NGFiOTk4MTM5ZGJhY2NmNWU2OS90ZXh0cmVnaW9uOjNlYTI3Njk4MDQwNDQ0YWI5OTgxMzlkYmFjY2Y1ZTY5XzMyOTg1MzQ4ODM3OTk_6714282b-e8ad-4bac-97b3-00e51e46a5df"
      unitRef="usdPerShare">28.15</us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit>
    <us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit
      contextRef="ic96acdbd8973447fb8b96fd76c1f6c39_D20180101-20180630"
      decimals="2"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zMTcvZnJhZzozZWEyNzY5ODA0MDQ0NGFiOTk4MTM5ZGJhY2NmNWU2OS90ZXh0cmVnaW9uOjNlYTI3Njk4MDQwNDQ0YWI5OTgxMzlkYmFjY2Y1ZTY5XzMyOTg1MzQ4ODM3OTk_fe3b7e82-05ab-4b4a-bed5-ae8442406b4d"
      unitRef="usdPerShare">28.15</us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit>
    <us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit
      contextRef="i44cf146e9b604b5eaabc66941a245877_D20180401-20180630"
      decimals="2"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zMTcvZnJhZzozZWEyNzY5ODA0MDQ0NGFiOTk4MTM5ZGJhY2NmNWU2OS90ZXh0cmVnaW9uOjNlYTI3Njk4MDQwNDQ0YWI5OTgxMzlkYmFjY2Y1ZTY5XzMyOTg1MzQ4ODM4MDE_81195601-b0fc-4314-8b63-c1609a18f82e"
      unitRef="usdPerShare">33.36</us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit>
    <us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit
      contextRef="ic96acdbd8973447fb8b96fd76c1f6c39_D20180101-20180630"
      decimals="2"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zMTcvZnJhZzozZWEyNzY5ODA0MDQ0NGFiOTk4MTM5ZGJhY2NmNWU2OS90ZXh0cmVnaW9uOjNlYTI3Njk4MDQwNDQ0YWI5OTgxMzlkYmFjY2Y1ZTY5XzMyOTg1MzQ4ODM4MDE_c77d488d-9dd4-44cd-8654-15062a63ddc3"
      unitRef="usdPerShare">33.36</us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit>
    <us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
      contextRef="iae1008ff6a854658ab77be281aab8a0c_D20170101-20170630"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zMTcvZnJhZzozZWEyNzY5ODA0MDQ0NGFiOTk4MTM5ZGJhY2NmNWU2OS90ZXh0cmVnaW9uOjNlYTI3Njk4MDQwNDQ0YWI5OTgxMzlkYmFjY2Y1ZTY5XzU0OTc1NTgxNDA2OTk_9a29b14b-5b2e-4c75-9498-e7027279fb80"
      unitRef="shares">83917</us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount>
    <us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
      contextRef="i201ed1d2fdd042c0bd171af3de0e4482_D20170401-20170630"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zMTcvZnJhZzozZWEyNzY5ODA0MDQ0NGFiOTk4MTM5ZGJhY2NmNWU2OS90ZXh0cmVnaW9uOjNlYTI3Njk4MDQwNDQ0YWI5OTgxMzlkYmFjY2Y1ZTY5XzU0OTc1NTgxNDA2OTY_da1585a3-58cc-4606-8abf-9a9dc9d9c577"
      unitRef="shares">83917</us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount>
    <us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit
      contextRef="i2137dbcd383a404e8d7dd86d9f294431_D20170101-20170630"
      decimals="2"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zMTcvZnJhZzozZWEyNzY5ODA0MDQ0NGFiOTk4MTM5ZGJhY2NmNWU2OS90ZXh0cmVnaW9uOjNlYTI3Njk4MDQwNDQ0YWI5OTgxMzlkYmFjY2Y1ZTY5XzU0OTc1NTgxNDA2OTc_9bd4e1c6-3e09-4784-a93e-8d0b290d09de"
      unitRef="usdPerShare">28.15</us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit>
    <us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit
      contextRef="ib7103fd1db234a2bbbc50936b157fd64_D20170401-20170630"
      decimals="2"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zMTcvZnJhZzozZWEyNzY5ODA0MDQ0NGFiOTk4MTM5ZGJhY2NmNWU2OS90ZXh0cmVnaW9uOjNlYTI3Njk4MDQwNDQ0YWI5OTgxMzlkYmFjY2Y1ZTY5XzU0OTc1NTgxNDA3MDA_d87412d1-f980-4fae-80b6-a95c3340ef19"
      unitRef="usdPerShare">28.15</us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit>
    <us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit
      contextRef="ib7103fd1db234a2bbbc50936b157fd64_D20170401-20170630"
      decimals="2"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zMTcvZnJhZzozZWEyNzY5ODA0MDQ0NGFiOTk4MTM5ZGJhY2NmNWU2OS90ZXh0cmVnaW9uOjNlYTI3Njk4MDQwNDQ0YWI5OTgxMzlkYmFjY2Y1ZTY5XzU0OTc1NTgxNDA3MDE_5b754f9e-33f0-4d01-a08d-6fe146e8bcf8"
      unitRef="usdPerShare">33.36</us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit>
    <us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit
      contextRef="i2137dbcd383a404e8d7dd86d9f294431_D20170101-20170630"
      decimals="2"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zMTcvZnJhZzozZWEyNzY5ODA0MDQ0NGFiOTk4MTM5ZGJhY2NmNWU2OS90ZXh0cmVnaW9uOjNlYTI3Njk4MDQwNDQ0YWI5OTgxMzlkYmFjY2Y1ZTY5XzU0OTc1NTgxNDA2OTg_39c8bf97-9e63-4436-b122-d30842cdc600"
      unitRef="usdPerShare">33.36</us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit>
    <us-gaap:SegmentReportingDisclosureTextBlock
      contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90ZXh0cmVnaW9uOjM1YTkyNmRiN2ZmNjQ4ZTFhYzUyZjdlNjdiOWNjZTFhXzYwNDczMTM5NTgwODk_0686cdd0-2447-4171-a1f5-f7dfd402a692">Segment Information&lt;div style="line-height:120%;text-align:justify;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt;line-height:120%;text-align:justify;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"&gt;ASC 280-10-50, &#x201c;Operating Segments", defines the characteristics of an operating segment as: a) being engaged in business activity from which it may earn revenue and incur expenses, b) being reviewed by the Company's chief operating decision maker (CODM) for decisions about resources to be allocated and assess its performance and c) having discrete financial information.&#160;&#160;Although we look at our products to analyze the nature of our revenue, other financial information, such as certain costs and expenses, net income and EBITDA are not captured or analyzed by these categories.&#160;&#160;Our CODM does not make resource allocation decisions or access the performance of the business based on these categories, but rather in the aggregate. Based on this, management believes that it operates in&#160;one&#160;business segment.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"&gt;&#160; &lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:45pt;line-height:120%;text-align:justify;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"&gt;In their analysis of product lines as potential operating segments, management also considered ASC 280-10-50-11, &#x201c;Aggregation Criteria&#x201d;, which allows for the aggregation of operating segments if the segments have similar economic characteristics and if the segments are similar in each of the following areas: &lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"&gt;&#160; &lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:-18pt;padding-left:36pt;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"&gt;&#x2022;    The nature of the products and services;&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:-18pt;padding-left:36pt;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"&gt;&#x2022;    The nature of the production processes; &lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:-18pt;padding-left:36pt;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"&gt;&#x2022;    The type or class of customer for their products and services; &lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:-18pt;padding-left:36pt;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"&gt;&#x2022;    The methods used to distribute their products or provide their services; and&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:-18pt;padding-left:36pt;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"&gt;&#x2022;    The nature of the regulatory environment, if applicable.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"&gt;&#160; &lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt;line-height:120%;text-align:justify;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"&gt;We are engaged in the business of designing and manufacturing compressors and flares. Our compressors and flares are sold and rented to our customers. In addition, we provide service and maintenance on compressors in our fleet and to third parties.  These business activities are similar in all geographic areas.&#160;&#160;Our manufacturing  process is essentially the same for the entire Company and is performed in-house at our facilities in Midland, Texas and Tulsa, Oklahoma.&#160;&#160;Our customers primarily consist of entities in the business of producing natural gas and crude oil.&#160;&#160;The maintenance and service of our products is consistent across the entire Company and is performed via an internal fleet of vehicles.&#160;&#160;The regulatory environment is similar in every jurisdiction in that the most impacting regulations and practices are the result of federal energy policy.&#160;&#160;In addition, the economic characteristics of each customer arrangement are similar in that we maintain policies at the corporate level.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;text-align:center;"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;table style="margin-left:auto;margin-right:auto;border-collapse:collapse;text-align:left;text-indent:0pt;display:inline-table;width:99.415205%;"&gt;&lt;tr&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:44.617647%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:8.000000%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:0.1%;"/&gt;&lt;td style="width:0.535294%;"/&gt;&lt;td style="width:0.1%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:6.970588%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:0.1%;"/&gt;&lt;td style="width:0.535294%;"/&gt;&lt;td style="width:0.1%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:9.470588%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:0.1%;"/&gt;&lt;td style="width:0.535294%;"/&gt;&lt;td style="width:0.1%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:8.000000%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:0.1%;"/&gt;&lt;td style="width:0.535294%;"/&gt;&lt;td style="width:0.1%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:8.000000%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="30" style="padding-top:2px;padding-bottom:2px;height:14pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:700;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;For the three months ended June 30, 2018 (in thousands):&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Rental&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Sales&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Service &amp;amp; Maintenance&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Corporate&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Total&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Revenue&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;11,427&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;6,383&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;394&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;18,204&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Operating costs and corporate expenses&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;5,195&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;4,924&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;101&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;7,758&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;17,978&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;div style="line-height:100%;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;"&gt;Total other income, net&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;75&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;75&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Income before provision for&#160;income taxes&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;6,232&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;1,459&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;293&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;(7,683)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;301&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div style="line-height:120%;"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;table style="margin-left:auto;margin-right:auto;border-collapse:collapse;text-align:left;text-indent:0pt;display:inline-table;width:99.269006%;"&gt;&lt;tr&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:44.833579%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:7.720177%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:0.1%;"/&gt;&lt;td style="width:0.536377%;"/&gt;&lt;td style="width:0.1%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:7.572901%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:0.1%;"/&gt;&lt;td style="width:0.536377%;"/&gt;&lt;td style="width:0.1%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:10.371134%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:0.1%;"/&gt;&lt;td style="width:0.536377%;"/&gt;&lt;td style="width:0.1%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:7.720177%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:0.1%;"/&gt;&lt;td style="width:0.536377%;"/&gt;&lt;td style="width:0.1%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:6.836524%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="30" style="padding-top:2px;padding-bottom:2px;height:14pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:700;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;For the three months ended June 30, 2017 (in thousands):&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Rental&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Sales&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Service &amp;amp; Maintenance&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Corporate&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Total&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Revenue&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;11,420&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;4,407&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;391&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;16,218&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Operating costs and corporate expenses&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;4,255&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;3,745&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;104&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;7,700&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;15,804&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Total other income, net&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;1&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;1&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Income before provision for&#160;&#160;income taxes&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;7,165&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;662&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;287&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;(7,699)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;415&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div style="line-height:120%;"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-bottom:6pt;"&gt;&lt;table style="margin-left:auto;margin-right:auto;border-collapse:collapse;text-align:left;text-indent:0pt;display:inline-table;width:98.538012%;"&gt;&lt;tr&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:44.884273%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:7.643917%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:0.1%;"/&gt;&lt;td style="width:0.393472%;"/&gt;&lt;td style="width:0.1%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:7.643917%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:0.1%;"/&gt;&lt;td style="width:0.393472%;"/&gt;&lt;td style="width:0.1%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:10.462908%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:0.1%;"/&gt;&lt;td style="width:0.393472%;"/&gt;&lt;td style="width:0.1%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:7.940653%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:0.1%;"/&gt;&lt;td style="width:0.393472%;"/&gt;&lt;td style="width:0.1%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:7.050445%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="30" style="padding-top:2px;padding-bottom:2px;height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:700;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;For the six months ended June 30, 2018 (in thousands):&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Rental&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Sales&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Service &amp;amp; Maintenance&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Corporate&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Total&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Revenue&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;22,898&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;9,381&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;643&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$32,922&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Operating costs and corporate expenses&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;9,899&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;7,115&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;166&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;15,166&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;32,346&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Total other income, net&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;(1)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;(1)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Income before provision for&#160;income taxes&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;12,999&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;2,266&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;477&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;(15,167)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;575&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div style="line-height:120%;"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-bottom:6pt;"&gt;&lt;table style="margin-left:auto;margin-right:auto;border-collapse:collapse;text-align:left;text-indent:0pt;display:inline-table;width:98.830409%;"&gt;&lt;tr&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:44.745562%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:7.615385%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:0.1%;"/&gt;&lt;td style="width:0.391716%;"/&gt;&lt;td style="width:0.1%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:7.615385%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:0.1%;"/&gt;&lt;td style="width:0.391716%;"/&gt;&lt;td style="width:0.1%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:10.426036%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:0.1%;"/&gt;&lt;td style="width:0.391716%;"/&gt;&lt;td style="width:0.1%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:7.615385%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:0.1%;"/&gt;&lt;td style="width:0.391716%;"/&gt;&lt;td style="width:0.1%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:7.615385%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="30" style="padding-top:2px;padding-bottom:2px;height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:700;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;For the six months ended June 30, 2017 (in thousands):&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Rental&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Sales&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Service &amp;amp; Maintenance&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Corporate&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Total&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Revenue&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;23,342&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;11,044&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;734&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$35,120&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Operating costs and corporate expenses&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;8,923&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;9,168&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;198&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;16,074&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;34,363&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Total other income, net&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;2&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;2&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Income before provision for&#160;income taxes&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;14,419&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;1,876&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;536&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;(16,072)&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;759&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;</us-gaap:SegmentReportingDisclosureTextBlock>
    <us-gaap:SegmentReportingPolicyPolicyTextBlock
      contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90ZXh0cmVnaW9uOjM1YTkyNmRiN2ZmNjQ4ZTFhYzUyZjdlNjdiOWNjZTFhXzU0OTc1NTgxNDEzODk_2d318e62-bf6c-41b6-8a38-0d8a93501307">&lt;div style="text-indent:36pt;line-height:120%;text-align:justify;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"&gt;ASC 280-10-50, &#x201c;Operating Segments", defines the characteristics of an operating segment as: a) being engaged in business activity from which it may earn revenue and incur expenses, b) being reviewed by the Company's chief operating decision maker (CODM) for decisions about resources to be allocated and assess its performance and c) having discrete financial information.&#160;&#160;Although we look at our products to analyze the nature of our revenue, other financial information, such as certain costs and expenses, net income and EBITDA are not captured or analyzed by these categories.&#160;&#160;Our CODM does not make resource allocation decisions or access the performance of the business based on these categories, but rather in the aggregate. Based on this, management believes that it operates in&#160;one&#160;business segment.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"&gt;&#160; &lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:45pt;line-height:120%;text-align:justify;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"&gt;In their analysis of product lines as potential operating segments, management also considered ASC 280-10-50-11, &#x201c;Aggregation Criteria&#x201d;, which allows for the aggregation of operating segments if the segments have similar economic characteristics and if the segments are similar in each of the following areas: &lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"&gt;&#160; &lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:-18pt;padding-left:36pt;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"&gt;&#x2022;    The nature of the products and services;&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:-18pt;padding-left:36pt;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"&gt;&#x2022;    The nature of the production processes; &lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:-18pt;padding-left:36pt;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"&gt;&#x2022;    The type or class of customer for their products and services; &lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:-18pt;padding-left:36pt;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"&gt;&#x2022;    The methods used to distribute their products or provide their services; and&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:-18pt;padding-left:36pt;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"&gt;&#x2022;    The nature of the regulatory environment, if applicable.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"&gt;&#160; &lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt;line-height:120%;text-align:justify;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"&gt;We are engaged in the business of designing and manufacturing compressors and flares. Our compressors and flares are sold and rented to our customers. In addition, we provide service and maintenance on compressors in our fleet and to third parties.  These business activities are similar in all geographic areas.&#160;&#160;Our manufacturing  process is essentially the same for the entire Company and is performed in-house at our facilities in Midland, Texas and Tulsa, Oklahoma.&#160;&#160;Our customers primarily consist of entities in the business of producing natural gas and crude oil.&#160;&#160;The maintenance and service of our products is consistent across the entire Company and is performed via an internal fleet of vehicles.&#160;&#160;The regulatory environment is similar in every jurisdiction in that the most impacting regulations and practices are the result of federal energy policy.&#160;&#160;In addition, the economic characteristics of each customer arrangement are similar in that we maintain policies at the corporate level.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;text-align:center;"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;table style="margin-left:auto;margin-right:auto;border-collapse:collapse;text-align:left;text-indent:0pt;display:inline-table;width:99.415205%;"&gt;&lt;tr&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:44.617647%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:8.000000%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:0.1%;"/&gt;&lt;td style="width:0.535294%;"/&gt;&lt;td style="width:0.1%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:6.970588%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:0.1%;"/&gt;&lt;td style="width:0.535294%;"/&gt;&lt;td style="width:0.1%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:9.470588%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:0.1%;"/&gt;&lt;td style="width:0.535294%;"/&gt;&lt;td style="width:0.1%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:8.000000%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:0.1%;"/&gt;&lt;td style="width:0.535294%;"/&gt;&lt;td style="width:0.1%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:8.000000%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="30" style="padding-top:2px;padding-bottom:2px;height:14pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:700;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;For the three months ended June 30, 2018 (in thousands):&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Rental&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Sales&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Service &amp;amp; Maintenance&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Corporate&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Total&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Revenue&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;11,427&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;6,383&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;394&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;18,204&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Operating costs and corporate expenses&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;5,195&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;4,924&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;101&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;7,758&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;17,978&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;div style="line-height:100%;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;"&gt;Total other income, net&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;75&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;75&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Income before provision for&#160;income taxes&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;6,232&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;1,459&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;293&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;(7,683)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;301&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div style="line-height:120%;"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;table style="margin-left:auto;margin-right:auto;border-collapse:collapse;text-align:left;text-indent:0pt;display:inline-table;width:99.269006%;"&gt;&lt;tr&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:44.833579%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:7.720177%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:0.1%;"/&gt;&lt;td style="width:0.536377%;"/&gt;&lt;td style="width:0.1%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:7.572901%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:0.1%;"/&gt;&lt;td style="width:0.536377%;"/&gt;&lt;td style="width:0.1%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:10.371134%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:0.1%;"/&gt;&lt;td style="width:0.536377%;"/&gt;&lt;td style="width:0.1%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:7.720177%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:0.1%;"/&gt;&lt;td style="width:0.536377%;"/&gt;&lt;td style="width:0.1%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:6.836524%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="30" style="padding-top:2px;padding-bottom:2px;height:14pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:700;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;For the three months ended June 30, 2017 (in thousands):&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Rental&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Sales&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Service &amp;amp; Maintenance&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Corporate&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Total&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Revenue&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;11,420&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;4,407&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;391&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;16,218&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Operating costs and corporate expenses&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;4,255&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;3,745&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;104&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;7,700&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;15,804&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Total other income, net&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;1&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;1&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Income before provision for&#160;&#160;income taxes&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;7,165&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;662&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;287&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;(7,699)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;415&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div style="line-height:120%;"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-bottom:6pt;"&gt;&lt;table style="margin-left:auto;margin-right:auto;border-collapse:collapse;text-align:left;text-indent:0pt;display:inline-table;width:98.538012%;"&gt;&lt;tr&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:44.884273%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:7.643917%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:0.1%;"/&gt;&lt;td style="width:0.393472%;"/&gt;&lt;td style="width:0.1%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:7.643917%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:0.1%;"/&gt;&lt;td style="width:0.393472%;"/&gt;&lt;td style="width:0.1%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:10.462908%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:0.1%;"/&gt;&lt;td style="width:0.393472%;"/&gt;&lt;td style="width:0.1%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:7.940653%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:0.1%;"/&gt;&lt;td style="width:0.393472%;"/&gt;&lt;td style="width:0.1%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:7.050445%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="30" style="padding-top:2px;padding-bottom:2px;height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:700;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;For the six months ended June 30, 2018 (in thousands):&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Rental&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Sales&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Service &amp;amp; Maintenance&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Corporate&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Total&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Revenue&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;22,898&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;9,381&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;643&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$32,922&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Operating costs and corporate expenses&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;9,899&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;7,115&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;166&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;15,166&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;32,346&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Total other income, net&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;(1)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;(1)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Income before provision for&#160;income taxes&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;12,999&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;2,266&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;477&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;(15,167)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;575&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div style="line-height:120%;"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-bottom:6pt;"&gt;&lt;table style="margin-left:auto;margin-right:auto;border-collapse:collapse;text-align:left;text-indent:0pt;display:inline-table;width:98.830409%;"&gt;&lt;tr&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:44.745562%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:7.615385%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:0.1%;"/&gt;&lt;td style="width:0.391716%;"/&gt;&lt;td style="width:0.1%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:7.615385%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:0.1%;"/&gt;&lt;td style="width:0.391716%;"/&gt;&lt;td style="width:0.1%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:10.426036%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:0.1%;"/&gt;&lt;td style="width:0.391716%;"/&gt;&lt;td style="width:0.1%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:7.615385%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:0.1%;"/&gt;&lt;td style="width:0.391716%;"/&gt;&lt;td style="width:0.1%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:7.615385%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="30" style="padding-top:2px;padding-bottom:2px;height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:700;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;For the six months ended June 30, 2017 (in thousands):&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Rental&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Sales&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Service &amp;amp; Maintenance&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Corporate&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Total&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Revenue&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;23,342&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;11,044&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;734&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$35,120&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Operating costs and corporate expenses&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;8,923&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;9,168&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;198&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;16,074&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;34,363&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Total other income, net&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;2&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;2&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Income before provision for&#160;income taxes&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;14,419&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;1,876&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;536&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;(16,072)&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;759&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;</us-gaap:SegmentReportingPolicyPolicyTextBlock>
    <us-gaap:NumberOfOperatingSegments
      contextRef="i486ae96497a44bee87d62f2f3d814d35_D20180401-20180630"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90ZXh0cmVnaW9uOjM1YTkyNmRiN2ZmNjQ4ZTFhYzUyZjdlNjdiOWNjZTFhXzMyOTg1MzQ4ODU4MTg_eeac46fe-8470-4408-aa90-b38bbcd85f25"
      unitRef="segment">1</us-gaap:NumberOfOperatingSegments>
    <us-gaap:ScheduleOfSegmentReportingInformationBySegmentTextBlock
      contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90ZXh0cmVnaW9uOjM1YTkyNmRiN2ZmNjQ4ZTFhYzUyZjdlNjdiOWNjZTFhXzYwNDczMTM5NTgwOTA_8e25f5db-9495-46fd-9c14-b2035697e456">&lt;div style="text-indent:36pt;line-height:120%;text-align:justify;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"&gt;We are engaged in the business of designing and manufacturing compressors and flares. Our compressors and flares are sold and rented to our customers. In addition, we provide service and maintenance on compressors in our fleet and to third parties.  These business activities are similar in all geographic areas.&#160;&#160;Our manufacturing  process is essentially the same for the entire Company and is performed in-house at our facilities in Midland, Texas and Tulsa, Oklahoma.&#160;&#160;Our customers primarily consist of entities in the business of producing natural gas and crude oil.&#160;&#160;The maintenance and service of our products is consistent across the entire Company and is performed via an internal fleet of vehicles.&#160;&#160;The regulatory environment is similar in every jurisdiction in that the most impacting regulations and practices are the result of federal energy policy.&#160;&#160;In addition, the economic characteristics of each customer arrangement are similar in that we maintain policies at the corporate level.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;text-align:center;"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;table style="margin-left:auto;margin-right:auto;border-collapse:collapse;text-align:left;text-indent:0pt;display:inline-table;width:99.415205%;"&gt;&lt;tr&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:44.617647%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:8.000000%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:0.1%;"/&gt;&lt;td style="width:0.535294%;"/&gt;&lt;td style="width:0.1%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:6.970588%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:0.1%;"/&gt;&lt;td style="width:0.535294%;"/&gt;&lt;td style="width:0.1%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:9.470588%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:0.1%;"/&gt;&lt;td style="width:0.535294%;"/&gt;&lt;td style="width:0.1%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:8.000000%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:0.1%;"/&gt;&lt;td style="width:0.535294%;"/&gt;&lt;td style="width:0.1%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:8.000000%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="30" style="padding-top:2px;padding-bottom:2px;height:14pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:700;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;For the three months ended June 30, 2018 (in thousands):&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Rental&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Sales&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Service &amp;amp; Maintenance&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Corporate&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Total&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Revenue&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;11,427&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;6,383&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;394&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;18,204&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Operating costs and corporate expenses&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;5,195&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;4,924&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;101&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;7,758&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;17,978&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;div style="line-height:100%;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;"&gt;Total other income, net&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;75&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;75&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Income before provision for&#160;income taxes&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;6,232&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;1,459&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;293&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;(7,683)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;301&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div style="line-height:120%;"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;table style="margin-left:auto;margin-right:auto;border-collapse:collapse;text-align:left;text-indent:0pt;display:inline-table;width:99.269006%;"&gt;&lt;tr&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:44.833579%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:7.720177%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:0.1%;"/&gt;&lt;td style="width:0.536377%;"/&gt;&lt;td style="width:0.1%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:7.572901%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:0.1%;"/&gt;&lt;td style="width:0.536377%;"/&gt;&lt;td style="width:0.1%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:10.371134%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:0.1%;"/&gt;&lt;td style="width:0.536377%;"/&gt;&lt;td style="width:0.1%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:7.720177%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:0.1%;"/&gt;&lt;td style="width:0.536377%;"/&gt;&lt;td style="width:0.1%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:6.836524%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="30" style="padding-top:2px;padding-bottom:2px;height:14pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:700;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;For the three months ended June 30, 2017 (in thousands):&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Rental&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Sales&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Service &amp;amp; Maintenance&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Corporate&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Total&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Revenue&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;11,420&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;4,407&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;391&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;16,218&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Operating costs and corporate expenses&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;4,255&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;3,745&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;104&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;7,700&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;15,804&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Total other income, net&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;1&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;1&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Income before provision for&#160;&#160;income taxes&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;7,165&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;662&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;287&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;(7,699)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;415&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div style="line-height:120%;"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-bottom:6pt;"&gt;&lt;table style="margin-left:auto;margin-right:auto;border-collapse:collapse;text-align:left;text-indent:0pt;display:inline-table;width:98.538012%;"&gt;&lt;tr&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:44.884273%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:7.643917%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:0.1%;"/&gt;&lt;td style="width:0.393472%;"/&gt;&lt;td style="width:0.1%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:7.643917%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:0.1%;"/&gt;&lt;td style="width:0.393472%;"/&gt;&lt;td style="width:0.1%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:10.462908%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:0.1%;"/&gt;&lt;td style="width:0.393472%;"/&gt;&lt;td style="width:0.1%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:7.940653%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:0.1%;"/&gt;&lt;td style="width:0.393472%;"/&gt;&lt;td style="width:0.1%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:7.050445%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="30" style="padding-top:2px;padding-bottom:2px;height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:700;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;For the six months ended June 30, 2018 (in thousands):&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Rental&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Sales&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Service &amp;amp; Maintenance&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Corporate&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Total&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Revenue&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;22,898&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;9,381&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;643&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$32,922&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Operating costs and corporate expenses&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;9,899&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;7,115&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;166&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;15,166&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;32,346&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Total other income, net&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;(1)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;(1)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Income before provision for&#160;income taxes&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;12,999&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;2,266&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;477&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;(15,167)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;575&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div style="line-height:120%;"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-bottom:6pt;"&gt;&lt;table style="margin-left:auto;margin-right:auto;border-collapse:collapse;text-align:left;text-indent:0pt;display:inline-table;width:98.830409%;"&gt;&lt;tr&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:44.745562%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:7.615385%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:0.1%;"/&gt;&lt;td style="width:0.391716%;"/&gt;&lt;td style="width:0.1%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:7.615385%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:0.1%;"/&gt;&lt;td style="width:0.391716%;"/&gt;&lt;td style="width:0.1%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:10.426036%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:0.1%;"/&gt;&lt;td style="width:0.391716%;"/&gt;&lt;td style="width:0.1%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:7.615385%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:0.1%;"/&gt;&lt;td style="width:0.391716%;"/&gt;&lt;td style="width:0.1%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;td style="width:7.615385%;"/&gt;&lt;td style="width:1.0%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="30" style="padding-top:2px;padding-bottom:2px;height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:700;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;For the six months ended June 30, 2017 (in thousands):&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Rental&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Sales&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Service &amp;amp; Maintenance&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Corporate&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Total&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Revenue&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;23,342&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;11,044&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;734&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$35,120&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Operating costs and corporate expenses&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;8,923&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;9,168&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;198&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;16,074&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;34,363&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Total other income, net&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;2&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/&gt;&lt;/td&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;2&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;Income before provision for&#160;income taxes&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;14,419&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;1,876&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;536&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td colspan="3" style="display:none;"/&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;(16,072)&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-left:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-right:1pt;"&gt;&lt;span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"&gt;759&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;</us-gaap:ScheduleOfSegmentReportingInformationBySegmentTextBlock>
    <us-gaap:Revenues
      contextRef="i9233ec8328ea4b0a99565d735d384d4e_D20180401-20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTpiZDY0NmJhNTEyNGI0NGFlYTBlYzg4ZGRkNzNiMDgyNC90YWJsZXJhbmdlOmJkNjQ2YmE1MTI0YjQ0YWVhMGVjODhkZGQ3M2IwODI0XzItMS0xLTEtMTAwOA_ca8f82b5-41cf-4685-9b1b-4a54d964c27c"
      unitRef="usd">11427000</us-gaap:Revenues>
    <us-gaap:Revenues
      contextRef="i1e76e585074743348f526a9ae178ae91_D20180401-20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTpiZDY0NmJhNTEyNGI0NGFlYTBlYzg4ZGRkNzNiMDgyNC90YWJsZXJhbmdlOmJkNjQ2YmE1MTI0YjQ0YWVhMGVjODhkZGQ3M2IwODI0XzItMy0xLTEtMTAxNQ_27fa552c-e57f-4324-b4ce-d3a4e6ee212b"
      unitRef="usd">6383000</us-gaap:Revenues>
    <us-gaap:Revenues
      contextRef="i8dd14a6624eb4309a15ccb85a55a83a5_D20180401-20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTpiZDY0NmJhNTEyNGI0NGFlYTBlYzg4ZGRkNzNiMDgyNC90YWJsZXJhbmdlOmJkNjQ2YmE1MTI0YjQ0YWVhMGVjODhkZGQ3M2IwODI0XzItNS0xLTEtMTAxMg_96fb99ab-4516-4635-ac74-1d79e5f417ce"
      unitRef="usd">394000</us-gaap:Revenues>
    <us-gaap:Revenues
      contextRef="i3218d69f2dd948ef91d6f52103907513_D20180401-20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTpiZDY0NmJhNTEyNGI0NGFlYTBlYzg4ZGRkNzNiMDgyNC90YWJsZXJhbmdlOmJkNjQ2YmE1MTI0YjQ0YWVhMGVjODhkZGQ3M2IwODI0XzItOS0xLTEtMTAxMw_44d86e46-5f17-477a-9aab-890a69d8ecd5"
      unitRef="usd">0</us-gaap:Revenues>
    <us-gaap:Revenues
      contextRef="i486ae96497a44bee87d62f2f3d814d35_D20180401-20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTpiZDY0NmJhNTEyNGI0NGFlYTBlYzg4ZGRkNzNiMDgyNC90YWJsZXJhbmdlOmJkNjQ2YmE1MTI0YjQ0YWVhMGVjODhkZGQ3M2IwODI0XzAyNGJBQUFBQWdBQUFBSUFBQUFMQUFBQUN3QUFBQUFBQUFtZ0FBQSUzRA_a58b94f6-1d8b-4194-8d72-4f1f351d2cad"
      unitRef="usd">18204000</us-gaap:Revenues>
    <us-gaap:CostsAndExpenses
      contextRef="i9233ec8328ea4b0a99565d735d384d4e_D20180401-20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTpiZDY0NmJhNTEyNGI0NGFlYTBlYzg4ZGRkNzNiMDgyNC90YWJsZXJhbmdlOmJkNjQ2YmE1MTI0YjQ0YWVhMGVjODhkZGQ3M2IwODI0XzMtMS0xLTEtMTAwOA_a00bce21-8650-442e-b207-0ccade22b523"
      unitRef="usd">5195000</us-gaap:CostsAndExpenses>
    <us-gaap:CostsAndExpenses
      contextRef="i1e76e585074743348f526a9ae178ae91_D20180401-20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTpiZDY0NmJhNTEyNGI0NGFlYTBlYzg4ZGRkNzNiMDgyNC90YWJsZXJhbmdlOmJkNjQ2YmE1MTI0YjQ0YWVhMGVjODhkZGQ3M2IwODI0XzMtMy0xLTEtMTAxNQ_c4c445f1-5196-4138-8749-ebcb67eb1baa"
      unitRef="usd">4924000</us-gaap:CostsAndExpenses>
    <us-gaap:CostsAndExpenses
      contextRef="i8dd14a6624eb4309a15ccb85a55a83a5_D20180401-20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTpiZDY0NmJhNTEyNGI0NGFlYTBlYzg4ZGRkNzNiMDgyNC90YWJsZXJhbmdlOmJkNjQ2YmE1MTI0YjQ0YWVhMGVjODhkZGQ3M2IwODI0XzMtNS0xLTEtMTAxMg_14791419-4a7f-4ea4-b0cc-10175dcf8872"
      unitRef="usd">101000</us-gaap:CostsAndExpenses>
    <us-gaap:CostsAndExpenses
      contextRef="i3218d69f2dd948ef91d6f52103907513_D20180401-20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTpiZDY0NmJhNTEyNGI0NGFlYTBlYzg4ZGRkNzNiMDgyNC90YWJsZXJhbmdlOmJkNjQ2YmE1MTI0YjQ0YWVhMGVjODhkZGQ3M2IwODI0XzMtOS0xLTEtMTAxMw_796c6563-f0ea-4f1d-a850-76e7f63ec0bc"
      unitRef="usd">7758000</us-gaap:CostsAndExpenses>
    <us-gaap:CostsAndExpenses
      contextRef="i486ae96497a44bee87d62f2f3d814d35_D20180401-20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTpiZDY0NmJhNTEyNGI0NGFlYTBlYzg4ZGRkNzNiMDgyNC90YWJsZXJhbmdlOmJkNjQ2YmE1MTI0YjQ0YWVhMGVjODhkZGQ3M2IwODI0XzAyNGFBQUFBQXdBQUFBTUFBQUFMQUFBQUN3QUFBQUFBQUFtaEFBQSUzRA_4c32be12-6b50-4129-95fb-26b316c7fb64"
      unitRef="usd">17978000</us-gaap:CostsAndExpenses>
    <us-gaap:NonoperatingIncomeExpense
      contextRef="i9233ec8328ea4b0a99565d735d384d4e_D20180401-20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTpiZDY0NmJhNTEyNGI0NGFlYTBlYzg4ZGRkNzNiMDgyNC90YWJsZXJhbmdlOmJkNjQ2YmE1MTI0YjQ0YWVhMGVjODhkZGQ3M2IwODI0XzQtMS0xLTEtMTAwOA_4b796d06-acd5-4a92-bb23-47bf51caae7d"
      unitRef="usd">0</us-gaap:NonoperatingIncomeExpense>
    <us-gaap:NonoperatingIncomeExpense
      contextRef="i1e76e585074743348f526a9ae178ae91_D20180401-20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTpiZDY0NmJhNTEyNGI0NGFlYTBlYzg4ZGRkNzNiMDgyNC90YWJsZXJhbmdlOmJkNjQ2YmE1MTI0YjQ0YWVhMGVjODhkZGQ3M2IwODI0XzQtMy0xLTEtMTAxNQ_16a60e97-bc3b-4797-a3ce-9a8f252bca7c"
      unitRef="usd">0</us-gaap:NonoperatingIncomeExpense>
    <us-gaap:NonoperatingIncomeExpense
      contextRef="i8dd14a6624eb4309a15ccb85a55a83a5_D20180401-20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTpiZDY0NmJhNTEyNGI0NGFlYTBlYzg4ZGRkNzNiMDgyNC90YWJsZXJhbmdlOmJkNjQ2YmE1MTI0YjQ0YWVhMGVjODhkZGQ3M2IwODI0XzQtNS0xLTEtMTAxMg_e8e8157e-d313-44f8-bd5d-f93366c4a69d"
      unitRef="usd">0</us-gaap:NonoperatingIncomeExpense>
    <us-gaap:NonoperatingIncomeExpense
      contextRef="i3218d69f2dd948ef91d6f52103907513_D20180401-20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTpiZDY0NmJhNTEyNGI0NGFlYTBlYzg4ZGRkNzNiMDgyNC90YWJsZXJhbmdlOmJkNjQ2YmE1MTI0YjQ0YWVhMGVjODhkZGQ3M2IwODI0XzQtOS0xLTEtMTAxMw_5cc45377-720b-4b9a-8c83-bb822f8a1592"
      unitRef="usd">75000</us-gaap:NonoperatingIncomeExpense>
    <us-gaap:NonoperatingIncomeExpense
      contextRef="i486ae96497a44bee87d62f2f3d814d35_D20180401-20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTpiZDY0NmJhNTEyNGI0NGFlYTBlYzg4ZGRkNzNiMDgyNC90YWJsZXJhbmdlOmJkNjQ2YmE1MTI0YjQ0YWVhMGVjODhkZGQ3M2IwODI0XzAyNzVBQUFBQkFBQUFBUUFBQUFMQUFBQUN3QUFBQUFBQUFtZkFBQSUzRA_7c555657-36aa-4d1d-91f1-74d0ef0ce810"
      unitRef="usd">75000</us-gaap:NonoperatingIncomeExpense>
    <us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
      contextRef="i9233ec8328ea4b0a99565d735d384d4e_D20180401-20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTpiZDY0NmJhNTEyNGI0NGFlYTBlYzg4ZGRkNzNiMDgyNC90YWJsZXJhbmdlOmJkNjQ2YmE1MTI0YjQ0YWVhMGVjODhkZGQ3M2IwODI0XzUtMS0xLTEtMTAwOA_e9bcbece-36e0-4c95-a575-d36c0579599a"
      unitRef="usd">6232000</us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest>
    <us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
      contextRef="i1e76e585074743348f526a9ae178ae91_D20180401-20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTpiZDY0NmJhNTEyNGI0NGFlYTBlYzg4ZGRkNzNiMDgyNC90YWJsZXJhbmdlOmJkNjQ2YmE1MTI0YjQ0YWVhMGVjODhkZGQ3M2IwODI0XzUtMy0xLTEtMTAxNQ_c5ec8eb9-bc44-4a74-a7e5-21e170caf6bf"
      unitRef="usd">1459000</us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest>
    <us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
      contextRef="i8dd14a6624eb4309a15ccb85a55a83a5_D20180401-20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTpiZDY0NmJhNTEyNGI0NGFlYTBlYzg4ZGRkNzNiMDgyNC90YWJsZXJhbmdlOmJkNjQ2YmE1MTI0YjQ0YWVhMGVjODhkZGQ3M2IwODI0XzUtNS0xLTEtMTAxMg_15429472-2a47-4d6d-9623-2d8dc8fddd01"
      unitRef="usd">293000</us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest>
    <us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
      contextRef="i3218d69f2dd948ef91d6f52103907513_D20180401-20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTpiZDY0NmJhNTEyNGI0NGFlYTBlYzg4ZGRkNzNiMDgyNC90YWJsZXJhbmdlOmJkNjQ2YmE1MTI0YjQ0YWVhMGVjODhkZGQ3M2IwODI0XzUtOS0xLTEtMTAxMw_8ac012f6-0409-406c-a258-f2ff3baedf36"
      unitRef="usd">-7683000</us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest>
    <us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
      contextRef="i486ae96497a44bee87d62f2f3d814d35_D20180401-20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTpiZDY0NmJhNTEyNGI0NGFlYTBlYzg4ZGRkNzNiMDgyNC90YWJsZXJhbmdlOmJkNjQ2YmE1MTI0YjQ0YWVhMGVjODhkZGQ3M2IwODI0XzAyNzRBQUFBQlFBQUFBVUFBQUFMQUFBQUN3QUFBQUFBQUFtaUFBQSUzRA_662ac16a-341c-4653-b9a1-f87dfcb52234"
      unitRef="usd">301000</us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest>
    <us-gaap:Revenues
      contextRef="ieaf988f1c6f048e1963fca6b1c19ea41_D20170401-20170630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTo0MDcwMjNlOTIzNjQ0ODIxYmIzMTEwODJhZmI3ZDVhNy90YWJsZXJhbmdlOjQwNzAyM2U5MjM2NDQ4MjFiYjMxMTA4MmFmYjdkNWE3XzItMS0xLTEtMTAxNg_7b94ba53-1b80-49da-89fe-a2fbb6634811"
      unitRef="usd">11420000</us-gaap:Revenues>
    <us-gaap:Revenues
      contextRef="ic41b647ca9b1443a81e7bc58ee05824a_D20170401-20170630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTo0MDcwMjNlOTIzNjQ0ODIxYmIzMTEwODJhZmI3ZDVhNy90YWJsZXJhbmdlOjQwNzAyM2U5MjM2NDQ4MjFiYjMxMTA4MmFmYjdkNWE3XzItMy0xLTEtMTAxNw_d388300a-9e64-4a98-918a-684f54cfbe50"
      unitRef="usd">4407000</us-gaap:Revenues>
    <us-gaap:Revenues
      contextRef="i1b1e2c6c5cb14ddf8221ae4d34792446_D20170401-20170630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTo0MDcwMjNlOTIzNjQ0ODIxYmIzMTEwODJhZmI3ZDVhNy90YWJsZXJhbmdlOjQwNzAyM2U5MjM2NDQ4MjFiYjMxMTA4MmFmYjdkNWE3XzItNS0xLTEtMTAyMA_215f8ba9-f682-4418-b7b1-dcc47a548ef7"
      unitRef="usd">391000</us-gaap:Revenues>
    <us-gaap:Revenues
      contextRef="idb424c1002514921a168381082fb3d29_D20170401-20170630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTo0MDcwMjNlOTIzNjQ0ODIxYmIzMTEwODJhZmI3ZDVhNy90YWJsZXJhbmdlOjQwNzAyM2U5MjM2NDQ4MjFiYjMxMTA4MmFmYjdkNWE3XzItOS0xLTEtMTAyMQ_cdabfcc2-ca32-429d-9d84-fac83abccb02"
      unitRef="usd">0</us-gaap:Revenues>
    <us-gaap:Revenues
      contextRef="i201ed1d2fdd042c0bd171af3de0e4482_D20170401-20170630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTo0MDcwMjNlOTIzNjQ0ODIxYmIzMTEwODJhZmI3ZDVhNy90YWJsZXJhbmdlOjQwNzAyM2U5MjM2NDQ4MjFiYjMxMTA4MmFmYjdkNWE3XzAyNGJBQUFBQWdBQUFBSUFBQUFMQUFBQUN3QUFBQUFBQUFtbEFBQSUzRA_b9b326b1-b6d9-4c96-9642-712c49ecc45d"
      unitRef="usd">16218000</us-gaap:Revenues>
    <us-gaap:CostsAndExpenses
      contextRef="ieaf988f1c6f048e1963fca6b1c19ea41_D20170401-20170630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTo0MDcwMjNlOTIzNjQ0ODIxYmIzMTEwODJhZmI3ZDVhNy90YWJsZXJhbmdlOjQwNzAyM2U5MjM2NDQ4MjFiYjMxMTA4MmFmYjdkNWE3XzMtMS0xLTEtMTAxNg_de42c6a8-e52b-4e85-9062-dbcfa3467367"
      unitRef="usd">4255000</us-gaap:CostsAndExpenses>
    <us-gaap:CostsAndExpenses
      contextRef="ic41b647ca9b1443a81e7bc58ee05824a_D20170401-20170630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTo0MDcwMjNlOTIzNjQ0ODIxYmIzMTEwODJhZmI3ZDVhNy90YWJsZXJhbmdlOjQwNzAyM2U5MjM2NDQ4MjFiYjMxMTA4MmFmYjdkNWE3XzMtMy0xLTEtMTAxNw_cb036cf5-1fa3-48fa-9eb5-f82e9d196002"
      unitRef="usd">3745000</us-gaap:CostsAndExpenses>
    <us-gaap:CostsAndExpenses
      contextRef="i1b1e2c6c5cb14ddf8221ae4d34792446_D20170401-20170630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTo0MDcwMjNlOTIzNjQ0ODIxYmIzMTEwODJhZmI3ZDVhNy90YWJsZXJhbmdlOjQwNzAyM2U5MjM2NDQ4MjFiYjMxMTA4MmFmYjdkNWE3XzMtNS0xLTEtMTAyMA_1156270e-c8a7-439c-bb30-5c67aa4927da"
      unitRef="usd">104000</us-gaap:CostsAndExpenses>
    <us-gaap:CostsAndExpenses
      contextRef="idb424c1002514921a168381082fb3d29_D20170401-20170630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTo0MDcwMjNlOTIzNjQ0ODIxYmIzMTEwODJhZmI3ZDVhNy90YWJsZXJhbmdlOjQwNzAyM2U5MjM2NDQ4MjFiYjMxMTA4MmFmYjdkNWE3XzMtOS0xLTEtMTAyMQ_aa09b12f-2852-490a-9eae-8a427ae30794"
      unitRef="usd">7700000</us-gaap:CostsAndExpenses>
    <us-gaap:CostsAndExpenses
      contextRef="i201ed1d2fdd042c0bd171af3de0e4482_D20170401-20170630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTo0MDcwMjNlOTIzNjQ0ODIxYmIzMTEwODJhZmI3ZDVhNy90YWJsZXJhbmdlOjQwNzAyM2U5MjM2NDQ4MjFiYjMxMTA4MmFmYjdkNWE3XzAyNGFBQUFBQXdBQUFBTUFBQUFMQUFBQUN3QUFBQUFBQUFta0FBQSUzRA_6a424e86-4982-4b92-b3d7-42c240010ed3"
      unitRef="usd">15804000</us-gaap:CostsAndExpenses>
    <us-gaap:NonoperatingIncomeExpense
      contextRef="ieaf988f1c6f048e1963fca6b1c19ea41_D20170401-20170630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTo0MDcwMjNlOTIzNjQ0ODIxYmIzMTEwODJhZmI3ZDVhNy90YWJsZXJhbmdlOjQwNzAyM2U5MjM2NDQ4MjFiYjMxMTA4MmFmYjdkNWE3XzQtMS0xLTEtMTAxNg_4b52d583-cd17-474c-acbe-78036c1f0ce6"
      unitRef="usd">0</us-gaap:NonoperatingIncomeExpense>
    <us-gaap:NonoperatingIncomeExpense
      contextRef="ic41b647ca9b1443a81e7bc58ee05824a_D20170401-20170630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTo0MDcwMjNlOTIzNjQ0ODIxYmIzMTEwODJhZmI3ZDVhNy90YWJsZXJhbmdlOjQwNzAyM2U5MjM2NDQ4MjFiYjMxMTA4MmFmYjdkNWE3XzQtMy0xLTEtMTAxNw_8cfaa113-8915-4233-ada6-c35673674404"
      unitRef="usd">0</us-gaap:NonoperatingIncomeExpense>
    <us-gaap:NonoperatingIncomeExpense
      contextRef="i1b1e2c6c5cb14ddf8221ae4d34792446_D20170401-20170630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTo0MDcwMjNlOTIzNjQ0ODIxYmIzMTEwODJhZmI3ZDVhNy90YWJsZXJhbmdlOjQwNzAyM2U5MjM2NDQ4MjFiYjMxMTA4MmFmYjdkNWE3XzQtNS0xLTEtMTAyMA_6541b76f-891c-4191-af99-844bf162a0c3"
      unitRef="usd">0</us-gaap:NonoperatingIncomeExpense>
    <us-gaap:NonoperatingIncomeExpense
      contextRef="idb424c1002514921a168381082fb3d29_D20170401-20170630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTo0MDcwMjNlOTIzNjQ0ODIxYmIzMTEwODJhZmI3ZDVhNy90YWJsZXJhbmdlOjQwNzAyM2U5MjM2NDQ4MjFiYjMxMTA4MmFmYjdkNWE3XzQtOS0xLTEtMTAyMQ_c344cc97-e617-4e24-a77f-915be8b28724"
      unitRef="usd">1000</us-gaap:NonoperatingIncomeExpense>
    <us-gaap:NonoperatingIncomeExpense
      contextRef="i201ed1d2fdd042c0bd171af3de0e4482_D20170401-20170630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTo0MDcwMjNlOTIzNjQ0ODIxYmIzMTEwODJhZmI3ZDVhNy90YWJsZXJhbmdlOjQwNzAyM2U5MjM2NDQ4MjFiYjMxMTA4MmFmYjdkNWE3XzAyNzVBQUFBQkFBQUFBUUFBQUFMQUFBQUN3QUFBQUFBQUFtbUFBQSUzRA_82e0961a-69cf-46af-9f93-bf63f1013fcc"
      unitRef="usd">1000</us-gaap:NonoperatingIncomeExpense>
    <us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
      contextRef="ieaf988f1c6f048e1963fca6b1c19ea41_D20170401-20170630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTo0MDcwMjNlOTIzNjQ0ODIxYmIzMTEwODJhZmI3ZDVhNy90YWJsZXJhbmdlOjQwNzAyM2U5MjM2NDQ4MjFiYjMxMTA4MmFmYjdkNWE3XzUtMS0xLTEtMTAxNg_a0b54be9-bb5b-4e58-af86-9e6740a21671"
      unitRef="usd">7165000</us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest>
    <us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
      contextRef="ic41b647ca9b1443a81e7bc58ee05824a_D20170401-20170630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTo0MDcwMjNlOTIzNjQ0ODIxYmIzMTEwODJhZmI3ZDVhNy90YWJsZXJhbmdlOjQwNzAyM2U5MjM2NDQ4MjFiYjMxMTA4MmFmYjdkNWE3XzUtMy0xLTEtMTAxNw_2db3539c-11a3-4b2d-ad67-3f3fd99bbe3c"
      unitRef="usd">662000</us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest>
    <us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
      contextRef="i1b1e2c6c5cb14ddf8221ae4d34792446_D20170401-20170630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTo0MDcwMjNlOTIzNjQ0ODIxYmIzMTEwODJhZmI3ZDVhNy90YWJsZXJhbmdlOjQwNzAyM2U5MjM2NDQ4MjFiYjMxMTA4MmFmYjdkNWE3XzUtNS0xLTEtMTAyMA_a1892b7c-ed77-4336-8916-5c0386af784a"
      unitRef="usd">287000</us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest>
    <us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
      contextRef="idb424c1002514921a168381082fb3d29_D20170401-20170630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTo0MDcwMjNlOTIzNjQ0ODIxYmIzMTEwODJhZmI3ZDVhNy90YWJsZXJhbmdlOjQwNzAyM2U5MjM2NDQ4MjFiYjMxMTA4MmFmYjdkNWE3XzUtOS0xLTEtMTAyMQ_4ea12afa-ab2c-4fbd-a4d4-0fb68b15b84d"
      unitRef="usd">-7699000</us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest>
    <us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
      contextRef="i201ed1d2fdd042c0bd171af3de0e4482_D20170401-20170630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTo0MDcwMjNlOTIzNjQ0ODIxYmIzMTEwODJhZmI3ZDVhNy90YWJsZXJhbmdlOjQwNzAyM2U5MjM2NDQ4MjFiYjMxMTA4MmFmYjdkNWE3XzAyNzRBQUFBQlFBQUFBVUFBQUFMQUFBQUN3QUFBQUFBQUFtbkFBQSUzRA_f0cc0e1d-d25a-4edf-9141-02be1ac78d11"
      unitRef="usd">415000</us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest>
    <us-gaap:Revenues
      contextRef="iec3930dca82d483abc7e8533620171ab_D20180101-20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTo4MTM2NjhiNjNhMzY0YzIxYWU2YTJmOTRhN2UwMzE0NS90YWJsZXJhbmdlOjgxMzY2OGI2M2EzNjRjMjFhZTZhMmY5NGE3ZTAzMTQ1XzAxZEFBQUFBZ0FBQUFJQUFBQUJBQUFBQVFBQUFBQUFBQlFmQUFBJTNE_4517d65f-d58c-423c-b54a-3d854c01536e"
      unitRef="usd">22898000</us-gaap:Revenues>
    <us-gaap:Revenues
      contextRef="ib77640796b1a4e97a4506dac60977119_D20180101-20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTo4MTM2NjhiNjNhMzY0YzIxYWU2YTJmOTRhN2UwMzE0NS90YWJsZXJhbmdlOjgxMzY2OGI2M2EzNjRjMjFhZTZhMmY5NGE3ZTAzMTQ1XzAxOUFBQUFBZ0FBQUFJQUFBQURBQUFBQXdBQUFBQUFBQlFnQUFBJTNE_ed6395c2-e9e8-4f5c-9007-4ace6b62d5bd"
      unitRef="usd">9381000</us-gaap:Revenues>
    <us-gaap:Revenues
      contextRef="ic4326a21d1654a30a9790fded0c1907d_D20180101-20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTo4MTM2NjhiNjNhMzY0YzIxYWU2YTJmOTRhN2UwMzE0NS90YWJsZXJhbmdlOjgxMzY2OGI2M2EzNjRjMjFhZTZhMmY5NGE3ZTAzMTQ1XzAyMzdBQUFBQWdBQUFBSUFBQUFGQUFBQUJRQUFBQUFBQUJRbUFBQSUzRA_52268a02-0d0d-4999-a757-eefd0a150c6b"
      unitRef="usd">643000</us-gaap:Revenues>
    <us-gaap:Revenues
      contextRef="i95afdea5a0544e90a6353ce180b7143e_D20180101-20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTo4MTM2NjhiNjNhMzY0YzIxYWU2YTJmOTRhN2UwMzE0NS90YWJsZXJhbmdlOjgxMzY2OGI2M2EzNjRjMjFhZTZhMmY5NGE3ZTAzMTQ1XzAyNDdBQUFBQWdBQUFBSUFBQUFKQUFBQUNRQUFBQUFBQUJRbkFBQSUzRA_500524ed-34c0-4a3a-9225-6be6ada4a4f3"
      unitRef="usd">0</us-gaap:Revenues>
    <us-gaap:Revenues
      contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTo4MTM2NjhiNjNhMzY0YzIxYWU2YTJmOTRhN2UwMzE0NS90YWJsZXJhbmdlOjgxMzY2OGI2M2EzNjRjMjFhZTZhMmY5NGE3ZTAzMTQ1XzAyNGJBQUFBQWdBQUFBSUFBQUFMQUFBQUN3QUFBQUFBQUJRYkFBQSUzRA_f20adf5c-aae8-49e3-b875-509d99a0f100"
      unitRef="usd">32922000</us-gaap:Revenues>
    <us-gaap:CostsAndExpenses
      contextRef="iec3930dca82d483abc7e8533620171ab_D20180101-20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTo4MTM2NjhiNjNhMzY0YzIxYWU2YTJmOTRhN2UwMzE0NS90YWJsZXJhbmdlOjgxMzY2OGI2M2EzNjRjMjFhZTZhMmY5NGE3ZTAzMTQ1XzAxY0FBQUFBd0FBQUFNQUFBQUJBQUFBQVFBQUFBQUFBQlFkQUFBJTNE_621b813a-5ddf-4757-a8ed-824cff932240"
      unitRef="usd">9899000</us-gaap:CostsAndExpenses>
    <us-gaap:CostsAndExpenses
      contextRef="ib77640796b1a4e97a4506dac60977119_D20180101-20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTo4MTM2NjhiNjNhMzY0YzIxYWU2YTJmOTRhN2UwMzE0NS90YWJsZXJhbmdlOjgxMzY2OGI2M2EzNjRjMjFhZTZhMmY5NGE3ZTAzMTQ1XzAxYUFBQUFBd0FBQUFNQUFBQURBQUFBQXdBQUFBQUFBQlFrQUFBJTNE_f221ad7f-0716-458c-8759-b15681871807"
      unitRef="usd">7115000</us-gaap:CostsAndExpenses>
    <us-gaap:CostsAndExpenses
      contextRef="ic4326a21d1654a30a9790fded0c1907d_D20180101-20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTo4MTM2NjhiNjNhMzY0YzIxYWU2YTJmOTRhN2UwMzE0NS90YWJsZXJhbmdlOjgxMzY2OGI2M2EzNjRjMjFhZTZhMmY5NGE3ZTAzMTQ1XzAyMzRBQUFBQXdBQUFBTUFBQUFGQUFBQUJRQUFBQUFBQUJRb0FBQSUzRA_71754a9e-3081-48b8-8807-35df30d9bf88"
      unitRef="usd">166000</us-gaap:CostsAndExpenses>
    <us-gaap:CostsAndExpenses
      contextRef="i95afdea5a0544e90a6353ce180b7143e_D20180101-20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTo4MTM2NjhiNjNhMzY0YzIxYWU2YTJmOTRhN2UwMzE0NS90YWJsZXJhbmdlOjgxMzY2OGI2M2EzNjRjMjFhZTZhMmY5NGE3ZTAzMTQ1XzAyNDZBQUFBQXdBQUFBTUFBQUFKQUFBQUNRQUFBQUFBQUJRcUFBQSUzRA_9d64fe79-bd2e-4930-b1e5-1fee53504fac"
      unitRef="usd">15166000</us-gaap:CostsAndExpenses>
    <us-gaap:CostsAndExpenses
      contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTo4MTM2NjhiNjNhMzY0YzIxYWU2YTJmOTRhN2UwMzE0NS90YWJsZXJhbmdlOjgxMzY2OGI2M2EzNjRjMjFhZTZhMmY5NGE3ZTAzMTQ1XzAyNGFBQUFBQXdBQUFBTUFBQUFMQUFBQUN3QUFBQUFBQUJRYUFBQSUzRA_dc148e1e-29f9-424f-bd8e-9d709d3d8c21"
      unitRef="usd">32346000</us-gaap:CostsAndExpenses>
    <us-gaap:NonoperatingIncomeExpense
      contextRef="iec3930dca82d483abc7e8533620171ab_D20180101-20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTo4MTM2NjhiNjNhMzY0YzIxYWU2YTJmOTRhN2UwMzE0NS90YWJsZXJhbmdlOjgxMzY2OGI2M2EzNjRjMjFhZTZhMmY5NGE3ZTAzMTQ1XzAyMTFBQUFBQkFBQUFBUUFBQUFCQUFBQUFRQUFBQUFBQUJRakFBQSUzRA_2ffd6d56-4c9f-48f3-ad87-9f9551de18f8"
      unitRef="usd">0</us-gaap:NonoperatingIncomeExpense>
    <us-gaap:NonoperatingIncomeExpense
      contextRef="ib77640796b1a4e97a4506dac60977119_D20180101-20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTo4MTM2NjhiNjNhMzY0YzIxYWU2YTJmOTRhN2UwMzE0NS90YWJsZXJhbmdlOjgxMzY2OGI2M2EzNjRjMjFhZTZhMmY5NGE3ZTAzMTQ1XzAyMWZBQUFBQkFBQUFBUUFBQUFEQUFBQUF3QUFBQUFBQUJRaUFBQSUzRA_2467cea7-b9ca-43fb-8541-41bc0b7194ca"
      unitRef="usd">0</us-gaap:NonoperatingIncomeExpense>
    <us-gaap:NonoperatingIncomeExpense
      contextRef="ic4326a21d1654a30a9790fded0c1907d_D20180101-20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTo4MTM2NjhiNjNhMzY0YzIxYWU2YTJmOTRhN2UwMzE0NS90YWJsZXJhbmdlOjgxMzY2OGI2M2EzNjRjMjFhZTZhMmY5NGE3ZTAzMTQ1XzAyMjFBQUFBQkFBQUFBUUFBQUFGQUFBQUJRQUFBQUFBQUJRcEFBQSUzRA_fd51a097-9908-404f-9560-6e91a27fcaea"
      unitRef="usd">0</us-gaap:NonoperatingIncomeExpense>
    <us-gaap:NonoperatingIncomeExpense
      contextRef="i95afdea5a0544e90a6353ce180b7143e_D20180101-20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTo4MTM2NjhiNjNhMzY0YzIxYWU2YTJmOTRhN2UwMzE0NS90YWJsZXJhbmdlOjgxMzY2OGI2M2EzNjRjMjFhZTZhMmY5NGE3ZTAzMTQ1XzAyNzlBQUFBQkFBQUFBUUFBQUFKQUFBQUNRQUFBQUFBQUJRdEFBQSUzRA_e7510284-febb-41bf-b95e-bdbfe5c6300e"
      unitRef="usd">-1000</us-gaap:NonoperatingIncomeExpense>
    <us-gaap:NonoperatingIncomeExpense
      contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTo4MTM2NjhiNjNhMzY0YzIxYWU2YTJmOTRhN2UwMzE0NS90YWJsZXJhbmdlOjgxMzY2OGI2M2EzNjRjMjFhZTZhMmY5NGE3ZTAzMTQ1XzAyNzVBQUFBQkFBQUFBUUFBQUFMQUFBQUN3QUFBQUFBQUJRY0FBQSUzRA_a8cdda6f-58d1-4132-a006-4cc8e2d576dc"
      unitRef="usd">-1000</us-gaap:NonoperatingIncomeExpense>
    <us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
      contextRef="iec3930dca82d483abc7e8533620171ab_D20180101-20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTo4MTM2NjhiNjNhMzY0YzIxYWU2YTJmOTRhN2UwMzE0NS90YWJsZXJhbmdlOjgxMzY2OGI2M2EzNjRjMjFhZTZhMmY5NGE3ZTAzMTQ1XzAyMTJBQUFBQlFBQUFBVUFBQUFCQUFBQUFRQUFBQUFBQUJRaEFBQSUzRA_90c10f34-7b99-4631-8cff-7f7b5967a143"
      unitRef="usd">12999000</us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest>
    <us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
      contextRef="ib77640796b1a4e97a4506dac60977119_D20180101-20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTo4MTM2NjhiNjNhMzY0YzIxYWU2YTJmOTRhN2UwMzE0NS90YWJsZXJhbmdlOjgxMzY2OGI2M2EzNjRjMjFhZTZhMmY5NGE3ZTAzMTQ1XzAyMWNBQUFBQlFBQUFBVUFBQUFEQUFBQUF3QUFBQUFBQUJRbEFBQSUzRA_efbee27f-7600-492b-97c1-07e94b3d0b9a"
      unitRef="usd">2266000</us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest>
    <us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
      contextRef="ic4326a21d1654a30a9790fded0c1907d_D20180101-20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTo4MTM2NjhiNjNhMzY0YzIxYWU2YTJmOTRhN2UwMzE0NS90YWJsZXJhbmdlOjgxMzY2OGI2M2EzNjRjMjFhZTZhMmY5NGE3ZTAzMTQ1XzAyMjJBQUFBQlFBQUFBVUFBQUFGQUFBQUJRQUFBQUFBQUJRc0FBQSUzRA_6b445d3f-d262-4f29-897f-743ea1b22ac8"
      unitRef="usd">477000</us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest>
    <us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
      contextRef="i95afdea5a0544e90a6353ce180b7143e_D20180101-20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTo4MTM2NjhiNjNhMzY0YzIxYWU2YTJmOTRhN2UwMzE0NS90YWJsZXJhbmdlOjgxMzY2OGI2M2EzNjRjMjFhZTZhMmY5NGE3ZTAzMTQ1XzAyNzhBQUFBQlFBQUFBVUFBQUFKQUFBQUNRQUFBQUFBQUJRckFBQSUzRA_d9e65f6d-4d50-4ecc-abd7-742d17c2b52b"
      unitRef="usd">-15167000</us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest>
    <us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
      contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTo4MTM2NjhiNjNhMzY0YzIxYWU2YTJmOTRhN2UwMzE0NS90YWJsZXJhbmdlOjgxMzY2OGI2M2EzNjRjMjFhZTZhMmY5NGE3ZTAzMTQ1XzAyNzRBQUFBQlFBQUFBVUFBQUFMQUFBQUN3QUFBQUFBQUJRZUFBQSUzRA_793ce056-c764-4c06-93b5-2bfab9299a42"
      unitRef="usd">575000</us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest>
    <us-gaap:Revenues
      contextRef="idf9e1e6d34464276a9572275cc9988b6_D20170101-20170630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTo3YzEzYjY5ZGJjNGQ0YTg5YmM2MzAxMzNiZmFiNjhjMS90YWJsZXJhbmdlOjdjMTNiNjlkYmM0ZDRhODliYzYzMDEzM2JmYWI2OGMxXzAxZEFBQUFBZ0FBQUFJQUFBQUJBQUFBQVFBQUFBQUFBQlF5QUFBJTNE_63e3b0aa-0639-4700-80c2-5d01126397db"
      unitRef="usd">23342000</us-gaap:Revenues>
    <us-gaap:Revenues
      contextRef="i44a643d49418457e97713bb4b14fab1f_D20170101-20170630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTo3YzEzYjY5ZGJjNGQ0YTg5YmM2MzAxMzNiZmFiNjhjMS90YWJsZXJhbmdlOjdjMTNiNjlkYmM0ZDRhODliYzYzMDEzM2JmYWI2OGMxXzAxOUFBQUFBZ0FBQUFJQUFBQURBQUFBQXdBQUFBQUFBQlExQUFBJTNE_ee368e02-b885-4196-83c6-256ec1c87c52"
      unitRef="usd">11044000</us-gaap:Revenues>
    <us-gaap:Revenues
      contextRef="i5622e7a47c5647598f4a7f5c6491fcf5_D20170101-20170630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTo3YzEzYjY5ZGJjNGQ0YTg5YmM2MzAxMzNiZmFiNjhjMS90YWJsZXJhbmdlOjdjMTNiNjlkYmM0ZDRhODliYzYzMDEzM2JmYWI2OGMxXzAyMzdBQUFBQWdBQUFBSUFBQUFGQUFBQUJRQUFBQUFBQUJRN0FBQSUzRA_022acdc8-ca0d-4a38-94c2-9408ecf4af16"
      unitRef="usd">734000</us-gaap:Revenues>
    <us-gaap:Revenues
      contextRef="i612e71ffb1ab4fc48a2ff71513fb2924_D20170101-20170630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTo3YzEzYjY5ZGJjNGQ0YTg5YmM2MzAxMzNiZmFiNjhjMS90YWJsZXJhbmdlOjdjMTNiNjlkYmM0ZDRhODliYzYzMDEzM2JmYWI2OGMxXzAyNDdBQUFBQWdBQUFBSUFBQUFKQUFBQUNRQUFBQUFBQUJSQUFBQSUzRA_5ae3e63e-ec91-4099-95bb-1215bb7c12e4"
      unitRef="usd">0</us-gaap:Revenues>
    <us-gaap:Revenues
      contextRef="iae1008ff6a854658ab77be281aab8a0c_D20170101-20170630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTo3YzEzYjY5ZGJjNGQ0YTg5YmM2MzAxMzNiZmFiNjhjMS90YWJsZXJhbmdlOjdjMTNiNjlkYmM0ZDRhODliYzYzMDEzM2JmYWI2OGMxXzAyNGJBQUFBQWdBQUFBSUFBQUFMQUFBQUN3QUFBQUFBQUJReEFBQSUzRA_17e542a1-3842-4228-98b6-85544762b6bb"
      unitRef="usd">35120000</us-gaap:Revenues>
    <us-gaap:CostsAndExpenses
      contextRef="idf9e1e6d34464276a9572275cc9988b6_D20170101-20170630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTo3YzEzYjY5ZGJjNGQ0YTg5YmM2MzAxMzNiZmFiNjhjMS90YWJsZXJhbmdlOjdjMTNiNjlkYmM0ZDRhODliYzYzMDEzM2JmYWI2OGMxXzAxY0FBQUFBd0FBQUFNQUFBQUJBQUFBQVFBQUFBQUFBQlF6QUFBJTNE_3b0a0384-9917-40e5-9dbe-be850a779491"
      unitRef="usd">8923000</us-gaap:CostsAndExpenses>
    <us-gaap:CostsAndExpenses
      contextRef="i44a643d49418457e97713bb4b14fab1f_D20170101-20170630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTo3YzEzYjY5ZGJjNGQ0YTg5YmM2MzAxMzNiZmFiNjhjMS90YWJsZXJhbmdlOjdjMTNiNjlkYmM0ZDRhODliYzYzMDEzM2JmYWI2OGMxXzAxYUFBQUFBd0FBQUFNQUFBQURBQUFBQXdBQUFBQUFBQlE1QUFBJTNE_809f4868-8de0-4fd8-a335-7f4ca94078b5"
      unitRef="usd">9168000</us-gaap:CostsAndExpenses>
    <us-gaap:CostsAndExpenses
      contextRef="i5622e7a47c5647598f4a7f5c6491fcf5_D20170101-20170630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTo3YzEzYjY5ZGJjNGQ0YTg5YmM2MzAxMzNiZmFiNjhjMS90YWJsZXJhbmdlOjdjMTNiNjlkYmM0ZDRhODliYzYzMDEzM2JmYWI2OGMxXzAyMzRBQUFBQXdBQUFBTUFBQUFGQUFBQUJRQUFBQUFBQUJRJTJGQUFBJTNE_e3d88780-78ac-4b84-89e6-4345bc727b7a"
      unitRef="usd">198000</us-gaap:CostsAndExpenses>
    <us-gaap:CostsAndExpenses
      contextRef="i612e71ffb1ab4fc48a2ff71513fb2924_D20170101-20170630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTo3YzEzYjY5ZGJjNGQ0YTg5YmM2MzAxMzNiZmFiNjhjMS90YWJsZXJhbmdlOjdjMTNiNjlkYmM0ZDRhODliYzYzMDEzM2JmYWI2OGMxXzAyNDZBQUFBQXdBQUFBTUFBQUFKQUFBQUNRQUFBQUFBQUJROUFBQSUzRA_0d3a2900-0d06-4938-b0a2-4743b49c9666"
      unitRef="usd">16074000</us-gaap:CostsAndExpenses>
    <us-gaap:CostsAndExpenses
      contextRef="iae1008ff6a854658ab77be281aab8a0c_D20170101-20170630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTo3YzEzYjY5ZGJjNGQ0YTg5YmM2MzAxMzNiZmFiNjhjMS90YWJsZXJhbmdlOjdjMTNiNjlkYmM0ZDRhODliYzYzMDEzM2JmYWI2OGMxXzAyNGFBQUFBQXdBQUFBTUFBQUFMQUFBQUN3QUFBQUFBQUJRd0FBQSUzRA_42c99055-4262-41ea-8a1e-2a2ce5a45c87"
      unitRef="usd">34363000</us-gaap:CostsAndExpenses>
    <us-gaap:NonoperatingIncomeExpense
      contextRef="idf9e1e6d34464276a9572275cc9988b6_D20170101-20170630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTo3YzEzYjY5ZGJjNGQ0YTg5YmM2MzAxMzNiZmFiNjhjMS90YWJsZXJhbmdlOjdjMTNiNjlkYmM0ZDRhODliYzYzMDEzM2JmYWI2OGMxXzAyMTFBQUFBQkFBQUFBUUFBQUFCQUFBQUFRQUFBQUFBQUJRNEFBQSUzRA_2201d802-bf40-452d-9b53-0ca3c598bab8"
      unitRef="usd">0</us-gaap:NonoperatingIncomeExpense>
    <us-gaap:NonoperatingIncomeExpense
      contextRef="i44a643d49418457e97713bb4b14fab1f_D20170101-20170630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTo3YzEzYjY5ZGJjNGQ0YTg5YmM2MzAxMzNiZmFiNjhjMS90YWJsZXJhbmdlOjdjMTNiNjlkYmM0ZDRhODliYzYzMDEzM2JmYWI2OGMxXzAyMWZBQUFBQkFBQUFBUUFBQUFEQUFBQUF3QUFBQUFBQUJRMkFBQSUzRA_d36519cb-1ac8-43c1-889d-5581ff611fd6"
      unitRef="usd">0</us-gaap:NonoperatingIncomeExpense>
    <us-gaap:NonoperatingIncomeExpense
      contextRef="i5622e7a47c5647598f4a7f5c6491fcf5_D20170101-20170630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTo3YzEzYjY5ZGJjNGQ0YTg5YmM2MzAxMzNiZmFiNjhjMS90YWJsZXJhbmdlOjdjMTNiNjlkYmM0ZDRhODliYzYzMDEzM2JmYWI2OGMxXzAyMjFBQUFBQkFBQUFBUUFBQUFGQUFBQUJRQUFBQUFBQUJROEFBQSUzRA_f3662118-78e7-44fd-a93d-cc6f431addac"
      unitRef="usd">0</us-gaap:NonoperatingIncomeExpense>
    <us-gaap:NonoperatingIncomeExpense
      contextRef="i612e71ffb1ab4fc48a2ff71513fb2924_D20170101-20170630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTo3YzEzYjY5ZGJjNGQ0YTg5YmM2MzAxMzNiZmFiNjhjMS90YWJsZXJhbmdlOjdjMTNiNjlkYmM0ZDRhODliYzYzMDEzM2JmYWI2OGMxXzAyNzlBQUFBQkFBQUFBUUFBQUFKQUFBQUNRQUFBQUFBQUJSQkFBQSUzRA_7dfc7119-8f52-4e3b-a846-801f8606c8ec"
      unitRef="usd">2000</us-gaap:NonoperatingIncomeExpense>
    <us-gaap:NonoperatingIncomeExpense
      contextRef="iae1008ff6a854658ab77be281aab8a0c_D20170101-20170630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTo3YzEzYjY5ZGJjNGQ0YTg5YmM2MzAxMzNiZmFiNjhjMS90YWJsZXJhbmdlOjdjMTNiNjlkYmM0ZDRhODliYzYzMDEzM2JmYWI2OGMxXzAyNzVBQUFBQkFBQUFBUUFBQUFMQUFBQUN3QUFBQUFBQUJRdkFBQSUzRA_c6c85bcb-bb57-4a9d-ae0c-cece966a26fa"
      unitRef="usd">2000</us-gaap:NonoperatingIncomeExpense>
    <us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
      contextRef="idf9e1e6d34464276a9572275cc9988b6_D20170101-20170630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTo3YzEzYjY5ZGJjNGQ0YTg5YmM2MzAxMzNiZmFiNjhjMS90YWJsZXJhbmdlOjdjMTNiNjlkYmM0ZDRhODliYzYzMDEzM2JmYWI2OGMxXzAyMTJBQUFBQlFBQUFBVUFBQUFCQUFBQUFRQUFBQUFBQUJRM0FBQSUzRA_4a1019df-e4ac-483d-adb7-f6f14f00964d"
      unitRef="usd">14419000</us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest>
    <us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
      contextRef="i44a643d49418457e97713bb4b14fab1f_D20170101-20170630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTo3YzEzYjY5ZGJjNGQ0YTg5YmM2MzAxMzNiZmFiNjhjMS90YWJsZXJhbmdlOjdjMTNiNjlkYmM0ZDRhODliYzYzMDEzM2JmYWI2OGMxXzAyMWNBQUFBQlFBQUFBVUFBQUFEQUFBQUF3QUFBQUFBQUJRNkFBQSUzRA_535f4196-50cb-4a82-a4ea-40840a596955"
      unitRef="usd">1876000</us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest>
    <us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
      contextRef="i5622e7a47c5647598f4a7f5c6491fcf5_D20170101-20170630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTo3YzEzYjY5ZGJjNGQ0YTg5YmM2MzAxMzNiZmFiNjhjMS90YWJsZXJhbmdlOjdjMTNiNjlkYmM0ZDRhODliYzYzMDEzM2JmYWI2OGMxXzAyMjJBQUFBQlFBQUFBVUFBQUFGQUFBQUJRQUFBQUFBQUJSQ0FBQSUzRA_a1878f82-f453-46e9-8f80-0b5043392a3b"
      unitRef="usd">536000</us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest>
    <us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
      contextRef="i612e71ffb1ab4fc48a2ff71513fb2924_D20170101-20170630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTo3YzEzYjY5ZGJjNGQ0YTg5YmM2MzAxMzNiZmFiNjhjMS90YWJsZXJhbmdlOjdjMTNiNjlkYmM0ZDRhODliYzYzMDEzM2JmYWI2OGMxXzAyNzhBQUFBQlFBQUFBVUFBQUFKQUFBQUNRQUFBQUFBQUJRJTJCQUFBJTNE_e3547337-d5ce-45c9-9785-c1826c972dfb"
      unitRef="usd">-16072000</us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest>
    <us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
      contextRef="iae1008ff6a854658ab77be281aab8a0c_D20170101-20170630"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNDQvZnJhZzozNWE5MjZkYjdmZjY0OGUxYWM1MmY3ZTY3YjljY2UxYS90YWJsZTo3YzEzYjY5ZGJjNGQ0YTg5YmM2MzAxMzNiZmFiNjhjMS90YWJsZXJhbmdlOjdjMTNiNjlkYmM0ZDRhODliYzYzMDEzM2JmYWI2OGMxXzAyNzRBQUFBQlFBQUFBVUFBQUFMQUFBQUN3QUFBQUFBQUJRMEFBQSUzRA_ad1f8f0c-7905-4a32-b827-121fd2f0d364"
      unitRef="usd">759000</us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest>
    <us-gaap:LegalMattersAndContingenciesTextBlock
      contextRef="id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNzEvZnJhZzo1ZDVmYTE5NGM4ZGM0MTMzYTAzMDEwMDRiNDhiOWI4My90ZXh0cmVnaW9uOjVkNWZhMTk0YzhkYzQxMzNhMDMwMTAwNGI0OGI5YjgzXzU0OTc1NTgxMzk2ODQ_29422ffd-f49d-4f26-8eb9-8bdbcaa97a15">Commitments and Contingencies&lt;div style="text-indent:36pt;line-height:120%;text-align:justify;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"&gt;From time to time, we are a party to various legal proceedings in the ordinary course of our business.&#160;&#160;While management is unable to predict the ultimate outcome of these actions, it believes that any ultimate liability arising from these actions will not have a material adverse effect on our financial position, results of operations or cash flow.&#160; We are not currently a party to any material legal proceedings, and we are not aware of any threatened material litigation. &lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt;line-height:120%;text-align:justify;"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt;line-height:120%;text-align:justify;"&gt;&lt;span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"&gt;The Company also has a contractual obligation related to the construction of a new corporate office of approximately&#160;$8.9 million, financed by cash on hand. Construction of a new office began in late 2017 and is expected to be completed in early 2019.&lt;/span&gt;&lt;/div&gt;</us-gaap:LegalMattersAndContingenciesTextBlock>
    <us-gaap:ContractualObligation
      contextRef="i4a0749d860044c61bf1ca42bfa4d1200_I20180630"
      decimals="-5"
      id="id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8zNzEvZnJhZzo1ZDVmYTE5NGM4ZGM0MTMzYTAzMDEwMDRiNDhiOWI4My90ZXh0cmVnaW9uOjVkNWZhMTk0YzhkYzQxMzNhMDMwMTAwNGI0OGI5YjgzXzMyOTg1MzQ4ODQxMDg_c99434a6-dfd7-4040-8c0d-1b71b1b479d9"
      unitRef="usd">8900000</us-gaap:ContractualObligation>
</xbrl>
</XML>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>13
<FILENAME>R1.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
							function toggleNextSibling (e) {
							if (e.nextSibling.style.display=='none') {
							e.nextSibling.style.display='block';
							} else { e.nextSibling.style.display='none'; }
							}</script>
</head>
<body>
<span style="display: none;">v3.10.0.1</span><table class="report" border="0" cellspacing="2" id="idp6798533440">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Document and Entity Information - shares<br></strong></div></th>
<th class="th" colspan="1">6 Months Ended</th>
<th class="th" colspan="1"></th>
</tr>
<tr>
<th class="th"><div>Jun. 30, 2018</div></th>
<th class="th"><div>Aug. 03, 2018</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_ngs_DocumentAndEntityInformationAbstract', window );"><strong>Document and Entity Information [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityRegistrantName', window );">Entity Registrant Name</a></td>
<td class="text">NATURAL GAS SERVICES GROUP INC<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityCentralIndexKey', window );">Entity Central Index Key</a></td>
<td class="text">0001084991<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_CurrentFiscalYearEndDate', window );">Current Fiscal Year End Date</a></td>
<td class="text">--12-31<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityFilerCategory', window );">Entity Filer Category</a></td>
<td class="text">Accelerated Filer<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_DocumentType', window );">Document Type</a></td>
<td class="text">10-Q<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_DocumentPeriodEndDate', window );">Document Period End Date</a></td>
<td class="text">Jun. 30,  2018<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_DocumentFiscalYearFocus', window );">Document Fiscal Year Focus</a></td>
<td class="text">2018<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_DocumentFiscalPeriodFocus', window );">Document Fiscal Period Focus</a></td>
<td class="text">Q2<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_AmendmentFlag', window );">Amendment Flag</a></td>
<td class="text">false<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityCommonStockSharesOutstanding', window );">Entity Common Stock, Shares Outstanding</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">13,086,506<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_AmendmentFlag">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>If the value is true, then the document is an amendment to previously-filed/accepted document.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_AmendmentFlag</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:booleanItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_CurrentFiscalYearEndDate">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>End date of current fiscal year in the format --MM-DD.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_CurrentFiscalYearEndDate</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:gMonthDayItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_DocumentFiscalPeriodFocus">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>This is focus fiscal period of the document report. For a first quarter 2006 quarterly report, which may also provide financial information from prior periods, the first fiscal quarter should be given as the fiscal period focus. Values: FY, Q1, Q2, Q3, Q4, H1, H2, M9, T1, T2, T3, M8, CY.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_DocumentFiscalPeriodFocus</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:fiscalPeriodItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_DocumentFiscalYearFocus">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>This is focus fiscal year of the document report in CCYY format. For a 2006 annual report, which may also provide financial information from prior periods, fiscal 2006 should be given as the fiscal year focus. Example: 2006.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_DocumentFiscalYearFocus</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:gYearItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_DocumentPeriodEndDate">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The end date of the period reflected on the cover page if a periodic report. For all other reports and registration statements containing historical data, it is the date up through which that historical data is presented.  If there is no historical data in the report, use the filing date. The format of the date is CCYY-MM-DD.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_DocumentPeriodEndDate</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:dateItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_DocumentType">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The type of document being provided (such as 10-K, 10-Q, 485BPOS, etc). The document type is limited to the same value as the supporting SEC submission type, or the word "Other".</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_DocumentType</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:submissionTypeItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityCentralIndexKey">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>A unique 10-digit SEC-issued value to identify entities that have filed disclosures with the SEC. It is commonly abbreviated as CIK.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Regulation 12B<br> -Number 240<br> -Section 12b<br> -Subsection 1<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityCentralIndexKey</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:centralIndexKeyItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityCommonStockSharesOutstanding">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Indicate number of shares or other units outstanding of each of registrant's classes of capital or common stock or other ownership interests, if and as stated on cover of related periodic report. Where multiple classes or units exist define each class/interest by adding class of stock items such as Common Class A [Member], Common Class B [Member] or Partnership Interest [Member] onto the Instrument [Domain] of the Entity Listings, Instrument.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityCommonStockSharesOutstanding</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityFilerCategory">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Indicate whether the registrant is one of the following: (1) Large Accelerated Filer, (2) Accelerated Filer, (3) Non-accelerated Filer, (4) Smaller Reporting Company (Non-accelerated) or (5) Smaller Reporting Accelerated Filer. Definitions of these categories are stated in Rule 12b-2 of the Exchange Act. This information should be based on the registrant's current or most recent filing containing the related disclosure.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityFilerCategory</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:filerCategoryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityRegistrantName">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The exact name of the entity filing the report as specified in its charter, which is required by forms filed with the SEC.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Regulation 12B<br> -Number 240<br> -Section 12b<br> -Subsection 1<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityRegistrantName</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:normalizedStringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_ngs_DocumentAndEntityInformationAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Document and Entity Information [Abstract]</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">ngs_DocumentAndEntityInformationAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>ngs_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
</div>
</body>
</html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>14
<FILENAME>R2.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
							function toggleNextSibling (e) {
							if (e.nextSibling.style.display=='none') {
							e.nextSibling.style.display='block';
							} else { e.nextSibling.style.display='none'; }
							}</script>
</head>
<body>
<span style="display: none;">v3.10.0.1</span><table class="report" border="0" cellspacing="2" id="idp6800219952">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Condensed Consolidated Balance Sheets (Unaudited) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th"><div>Jun. 30, 2018</div></th>
<th class="th"><div>Dec. 31, 2017</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AssetsCurrentAbstract', window );"><strong>Current Assets:</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CashAndCashEquivalentsAtCarryingValue', window );">Cash and cash equivalents</a></td>
<td class="nump">$ 62,490<span></span>
</td>
<td class="nump">$ 69,208<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccountsReceivableNetCurrent', window );">Trade accounts receivable, net of allowance for doubtful accounts of $443 and $569, respectively</a></td>
<td class="nump">9,375<span></span>
</td>
<td class="nump">8,534<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_InventoryNet', window );">Inventory</a></td>
<td class="nump">23,042<span></span>
</td>
<td class="nump">26,224<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PrepaidTaxes', window );">Prepaid income taxes</a></td>
<td class="nump">3,177<span></span>
</td>
<td class="nump">3,443<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PrepaidExpenseAndOtherAssetsCurrent', window );">Prepaid expenses and other</a></td>
<td class="nump">762<span></span>
</td>
<td class="nump">817<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AssetsCurrent', window );">Total current assets</a></td>
<td class="nump">98,846<span></span>
</td>
<td class="nump">108,226<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_InventoryNoncurrent', window );">Long-term inventory, net of allowance for obsolescence of $21 and $15, respectively</a></td>
<td class="nump">3,467<span></span>
</td>
<td class="nump">2,829<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_ngs_RentalEquipmentNet', window );">Rental equipment, net of accumulated depreciation of $155,989 and $145,851, respectively</a></td>
<td class="nump">169,702<span></span>
</td>
<td class="nump">167,099<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentOtherNet', window );">Property and equipment, net of accumulated depreciation of $11,176 and $11,274, respectively</a></td>
<td class="nump">11,076<span></span>
</td>
<td class="nump">7,652<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_Goodwill', window );">Goodwill</a></td>
<td class="nump">10,039<span></span>
</td>
<td class="nump">10,039<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IntangibleAssetsNetExcludingGoodwill', window );">Intangibles, net of accumulated amortization of $1,695 and $1,632, respectively</a></td>
<td class="nump">1,464<span></span>
</td>
<td class="nump">1,526<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OtherAssetsNoncurrent', window );">Other assets</a></td>
<td class="nump">1,118<span></span>
</td>
<td class="nump">939<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_Assets', window );">Total assets</a></td>
<td class="nump">295,712<span></span>
</td>
<td class="nump">298,310<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LiabilitiesCurrentAbstract', window );"><strong>Current Liabilities:</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccountsPayableCurrent', window );">Accounts payable</a></td>
<td class="nump">801<span></span>
</td>
<td class="nump">4,162<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccruedLiabilitiesCurrent', window );">Accrued liabilities</a></td>
<td class="nump">2,140<span></span>
</td>
<td class="nump">3,106<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ContractWithCustomerLiabilityCurrent', window );">Deferred income</a></td>
<td class="nump">487<span></span>
</td>
<td class="nump">185<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LiabilitiesCurrent', window );">Total current liabilities</a></td>
<td class="nump">3,428<span></span>
</td>
<td class="nump">7,453<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermLineOfCredit', window );">Line of credit, non-current portion</a></td>
<td class="nump">417<span></span>
</td>
<td class="nump">417<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DeferredIncomeTaxLiabilitiesNet', window );">Deferred income tax liability</a></td>
<td class="nump">32,333<span></span>
</td>
<td class="nump">32,163<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OtherLiabilitiesNoncurrent', window );">Other long-term liabilities</a></td>
<td class="nump">1,139<span></span>
</td>
<td class="nump">958<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_Liabilities', window );">Total liabilities</a></td>
<td class="nump">37,317<span></span>
</td>
<td class="nump">40,991<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CommitmentsAndContingencies', window );">Commitments and contingencies (Note 8)</a></td>
<td class="text"> <span></span>
</td>
<td class="text"> <span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StockholdersEquityAbstract', window );"><strong>Stockholders&#8217; Equity:</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PreferredStockValue', window );">Preferred stock, 5,000 shares authorized, no shares issued or outstanding</a></td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CommonStockValue', window );">Common stock, 30,000 shares authorized, par value $0.01; 12,968 and 12,880 shares issued and outstanding, respectively</a></td>
<td class="nump">130<span></span>
</td>
<td class="nump">129<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AdditionalPaidInCapitalCommonStock', window );">Additional paid-in capital</a></td>
<td class="nump">105,928<span></span>
</td>
<td class="nump">105,325<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RetainedEarningsAccumulatedDeficit', window );">Retained earnings</a></td>
<td class="nump">152,337<span></span>
</td>
<td class="nump">151,865<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StockholdersEquity', window );">Total stockholders' equity</a></td>
<td class="nump">258,395<span></span>
</td>
<td class="nump">257,319<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LiabilitiesAndStockholdersEquity', window );">Total liabilities and stockholders' equity</a></td>
<td class="nump">$ 295,712<span></span>
</td>
<td class="nump">$ 298,310<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_ngs_RentalEquipmentNet">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Rental Equipment, Net</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">ngs_RentalEquipmentNet</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>ngs_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AccountsPayableCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.19(a))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AccountsPayableCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AccountsReceivableNetCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), for goods or services (including trade receivables) that have been delivered or sold in the normal course of business, reduced to the estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(3))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(4))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AccountsReceivableNetCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AccruedLiabilitiesCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.20)<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AccruedLiabilitiesCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AdditionalPaidInCapitalCommonStock">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Value received from shareholders in common stock-related transactions that are in excess of par value or stated value and amounts received from other stock-related transactions. Includes only common stock transactions (excludes preferred stock transactions). May be called contributed capital, capital in excess of par, capital surplus, or paid-in capital.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(30)(a)(1))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AdditionalPaidInCapitalCommonStock</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_Assets">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-03(a)(12))<br> -URI http://asc.fasb.org/extlink&amp;oid=6879938&amp;loc=d3e572229-122910<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-03(11))<br> -URI http://asc.fasb.org/extlink&amp;oid=6876686&amp;loc=d3e534808-122878<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_Assets</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AssetsCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Sum of the carrying amounts as of the balance sheet date of all assets that are expected to be realized in cash, sold, or consumed within one year (or the normal operating cycle, if longer). Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.9)<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section 45<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=82887183&amp;loc=d3e6801-107765<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section 45<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=82887183&amp;loc=d3e6676-107765<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AssetsCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AssetsCurrentAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AssetsCurrentAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CashAndCashEquivalentsAtCarryingValue">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section 45<br> -Paragraph 1<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=82887183&amp;loc=d3e6676-107765<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 4<br> -URI http://asc.fasb.org/extlink&amp;oid=98514028&amp;loc=d3e3044-108585<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.1)<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CashAndCashEquivalentsAtCarryingValue</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CommitmentsAndContingencies">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Represents the caption on the face of the balance sheet to indicate that the entity has entered into (1) purchase or supply arrangements that will require expending a portion of its resources to meet the terms thereof, and (2) is exposed to potential losses or, less frequently, gains, arising from (a) possible claims against a company's resources due to future performance under contract terms, and (b) possible losses or likely gains from uncertainties that will ultimately be resolved when one or more future events that are deemed likely to occur do occur or fail to occur.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-03.(a),19)<br> -URI http://asc.fasb.org/extlink&amp;oid=6879938&amp;loc=d3e572229-122910<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 450<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=82911808&amp;loc=d3e14326-108349<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-03.17)<br> -URI http://asc.fasb.org/extlink&amp;oid=6876686&amp;loc=d3e534808-122878<br><br>Reference 4: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.25)<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CommitmentsAndContingencies</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CommonStockValue">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Aggregate par or stated value of issued nonredeemable common stock (or common stock redeemable solely at the option of the issuer). This item includes treasury stock repurchased by the entity. Note: elements for number of nonredeemable common shares, par value and other disclosure concepts are in another section within stockholders' equity.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(29))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CommonStockValue</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ContractWithCustomerLiabilityCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable, classified as current.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 606<br> -SubTopic 10<br> -Section 50<br> -Paragraph 8<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=82913847&amp;loc=SL49130549-203045<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 606<br> -SubTopic 10<br> -Section 45<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=82913815&amp;loc=SL49130532-203044<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 606<br> -SubTopic 10<br> -Section 45<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=82913815&amp;loc=SL49130531-203044<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ContractWithCustomerLiabilityCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DeferredIncomeTaxLiabilitiesNet">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences with jurisdictional netting.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32537-109319<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 45<br> -Paragraph 6<br> -URI http://asc.fasb.org/extlink&amp;oid=84176650&amp;loc=d3e31931-109318<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DeferredIncomeTaxLiabilitiesNet</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_Goodwill">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 350<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=35741047&amp;loc=d3e13816-109267<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 350<br> -SubTopic 20<br> -Section 45<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6388280&amp;loc=d3e13770-109266<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 350<br> -SubTopic 20<br> -Section 45<br> -Paragraph 5<br> -URI http://asc.fasb.org/extlink&amp;oid=77989000&amp;loc=SL49117168-202975<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_Goodwill</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IntangibleAssetsNetExcludingGoodwill">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 350<br> -SubTopic 30<br> -Section 45<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6388964&amp;loc=d3e16212-109274<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 350<br> -SubTopic 30<br> -Section 50<br> -Paragraph 2<br> -Subparagraph ((a)(1),(b))<br> -URI http://asc.fasb.org/extlink&amp;oid=66006027&amp;loc=d3e16323-109275<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IntangibleAssetsNetExcludingGoodwill</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_InventoryNet">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.6(a))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 330<br> -SubTopic 10<br> -Section 35<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=68049868&amp;loc=d3e3927-108312<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section 45<br> -Paragraph 1<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=82887183&amp;loc=d3e6676-107765<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_InventoryNet</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_InventoryNoncurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Inventories not expected to be converted to cash, sold or exchanged within the normal operating cycle.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.6(d))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_InventoryNoncurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_Liabilities">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Sum of the carrying amounts as of the balance sheet date of all liabilities that are recognized. Liabilities are probable future sacrifices of economic benefits arising from present obligations of an entity to transfer assets or provide services to other entities in the future.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.19-26)<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_Liabilities</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LiabilitiesAndStockholdersEquity">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of liabilities and equity items, including the portion of equity attributable to noncontrolling interests, if any.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-03(23))<br> -URI http://asc.fasb.org/extlink&amp;oid=6876686&amp;loc=d3e534808-122878<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-03(a)(25))<br> -URI http://asc.fasb.org/extlink&amp;oid=6879938&amp;loc=d3e572229-122910<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(32))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LiabilitiesAndStockholdersEquity</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LiabilitiesCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Total obligations incurred as part of normal operations that are expected to be paid during the following twelve months or within one business cycle, if longer.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.21)<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LiabilitiesCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LiabilitiesCurrentAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LiabilitiesCurrentAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LongTermLineOfCredit">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The carrying value as of the balance sheet date of the noncurrent portion of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.22)<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 10<br> -Section 45<br> -Paragraph 13<br> -URI http://asc.fasb.org/extlink&amp;oid=99376301&amp;loc=d3e1314-112600<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 10<br> -Section 45<br> -Paragraph 14<br> -URI http://asc.fasb.org/extlink&amp;oid=99376301&amp;loc=d3e1336-112600<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LongTermLineOfCredit</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OtherAssetsNoncurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of noncurrent assets classified as other.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.17)<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OtherAssetsNoncurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OtherLiabilitiesNoncurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of liabilities classified as other, due after one year or the normal operating cycle, if longer.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.24)<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OtherLiabilitiesNoncurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PreferredStockValue">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Aggregate par or stated value of issued nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer). This item includes treasury stock repurchased by the entity. Note: elements for number of nonredeemable preferred shares, par value and other disclosure concepts are in another section within stockholders' equity.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(28))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PreferredStockValue</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PrepaidExpenseAndOtherAssetsCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of asset related to consideration paid in advance for costs that provide economic benefits in future periods, and amount of other assets that are expected to be realized or consumed within one year or the normal operating cycle, if longer.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(8))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(7))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section 45<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=82887183&amp;loc=d3e6676-107765<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PrepaidExpenseAndOtherAssetsCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PrepaidTaxes">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of asset related to consideration paid in advance for income and other taxes that provide economic benefits within a future period of one year or the normal operating cycle, if longer.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section 45<br> -Paragraph 1<br> -Subparagraph (g)(4)<br> -URI http://asc.fasb.org/extlink&amp;oid=82887183&amp;loc=d3e6676-107765<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 340<br> -SubTopic 10<br> -Section 05<br> -Paragraph 4<br> -URI http://asc.fasb.org/extlink&amp;oid=68074540&amp;loc=d3e5865-108316<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section 45<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=82887183&amp;loc=d3e6787-107765<br><br>Reference 4: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 340<br> -SubTopic 10<br> -Section 05<br> -Paragraph 5<br> -URI http://asc.fasb.org/extlink&amp;oid=68074540&amp;loc=d3e5879-108316<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PrepaidTaxes</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PropertyPlantAndEquipmentOtherNet">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount after depreciation of long-lived, physical assets used to produce goods and services and not intended for resale, classified as other.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PropertyPlantAndEquipmentOtherNet</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RetainedEarningsAccumulatedDeficit">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The cumulative amount of the reporting entity's undistributed earnings or deficit.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-03(a)(23)(a)(4))<br> -URI http://asc.fasb.org/extlink&amp;oid=6879938&amp;loc=d3e572229-122910<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 505<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.3-04)<br> -URI http://asc.fasb.org/extlink&amp;oid=27012166&amp;loc=d3e187085-122770<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(30)(a)(3))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RetainedEarningsAccumulatedDeficit</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_StockholdersEquity">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(30))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 310<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SAB Topic 4.E)<br> -URI http://asc.fasb.org/extlink&amp;oid=27010918&amp;loc=d3e74512-122707<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(31))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br><br>Reference 4: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(29))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StockholdersEquity</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_StockholdersEquityAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StockholdersEquityAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
</div>
</body>
</html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>15
<FILENAME>R3.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
							function toggleNextSibling (e) {
							if (e.nextSibling.style.display=='none') {
							e.nextSibling.style.display='block';
							} else { e.nextSibling.style.display='none'; }
							}</script>
</head>
<body>
<span style="display: none;">v3.10.0.1</span><table class="report" border="0" cellspacing="2" id="idp6794577584">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Condensed Consolidated Balance Sheets (Unaudited) (Parentheticals) - USD ($)<br></strong></div></th>
<th class="th"><div>Jun. 30, 2018</div></th>
<th class="th"><div>Dec. 31, 2017</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AssetsCurrentAbstract', window );"><strong>Current Assets:</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent', window );">Allowance for doubtful accounts</a></td>
<td class="nump">$ 443,000<span></span>
</td>
<td class="nump">$ 569,000<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_InventoryValuationReserves', window );">Allowance for inventory obsolescence</a></td>
<td class="nump">20,785<span></span>
</td>
<td class="nump">15,000<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AssetsNoncurrentAbstract', window );"><strong>Noncurrent Assets:</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_ngs_AccumulatedDepreciationRentalEquipment', window );">Accumulated depreciation, rental equipment</a></td>
<td class="nump">155,989,000<span></span>
</td>
<td class="nump">145,851,000<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment', window );">Accumulated depreciation, property and equipment</a></td>
<td class="nump">11,176,000<span></span>
</td>
<td class="nump">11,274,000<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_ngs_IntangibleAssetsAccumulatedAmortization', window );">Accumulated amortization, intangibles</a></td>
<td class="nump">$ 1,695,000<span></span>
</td>
<td class="nump">$ 1,632,000<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StockholdersEquityAbstract', window );"><strong>Stockholders&#8217; Equity:</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PreferredStockSharesAuthorized', window );">Preferred stock, shares authorized</a></td>
<td class="nump">5,000,000<span></span>
</td>
<td class="nump">5,000,000<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PreferredStockSharesIssued', window );">Preferred stock, shares issued</a></td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PreferredStockSharesOutstanding', window );">Preferred stock, shares outstanding</a></td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CommonStockParOrStatedValuePerShare', window );">Common stock, par value (in USD per share)</a></td>
<td class="nump">$ 0.01<span></span>
</td>
<td class="nump">$ 0.01<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CommonStockSharesAuthorized', window );">Common stock, shares authorized</a></td>
<td class="nump">30,000,000<span></span>
</td>
<td class="nump">30,000,000<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CommonStockSharesIssued', window );">Common stock, shares issued</a></td>
<td class="nump">12,968,000<span></span>
</td>
<td class="nump">12,880,000<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CommonStockSharesOutstanding', window );">Common stock, shares outstanding</a></td>
<td class="nump">12,968,000<span></span>
</td>
<td class="nump">12,880,000<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_ngs_AccumulatedDepreciationRentalEquipment">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Accumulated Depreciation Rental Equipment</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">ngs_AccumulatedDepreciationRentalEquipment</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>ngs_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_ngs_IntangibleAssetsAccumulatedAmortization">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Intangible Assets, Accumulated Amortization encompasses both finite-lived and indefinite-lived intangible assets</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">ngs_IntangibleAssetsAccumulatedAmortization</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>ngs_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 360<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=6391035&amp;loc=d3e2868-110229<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.14)<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>A valuation allowance for trade and other receivables due to an Entity within one year (or the normal operating cycle, whichever is longer) that are expected to be uncollectible.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.4)<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 310<br> -SubTopic 10<br> -Section 50<br> -Paragraph 4<br> -URI http://asc.fasb.org/extlink&amp;oid=84173941&amp;loc=d3e5074-111524<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AssetsCurrentAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AssetsCurrentAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AssetsNoncurrentAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AssetsNoncurrentAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CommonStockParOrStatedValuePerShare">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Face amount or stated value per share of common stock.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(29))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CommonStockParOrStatedValuePerShare</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:perShareItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CommonStockSharesAuthorized">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The maximum number of common shares permitted to be issued by an entity's charter and bylaws.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(29))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CommonStockSharesAuthorized</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CommonStockSharesIssued">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(29))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CommonStockSharesIssued</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CommonStockSharesOutstanding">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(29))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 505<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=84159872&amp;loc=d3e21463-112644<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CommonStockSharesOutstanding</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_InventoryValuationReserves">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of valuation reserve for inventory.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 330<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SAB TOPIC 5.BB)<br> -URI http://asc.fasb.org/extlink&amp;oid=27011343&amp;loc=d3e100047-122729<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.6(a))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section S99<br> -Paragraph 4<br> -Subparagraph (SX 210.12-09)<br> -URI http://asc.fasb.org/extlink&amp;oid=26873400&amp;loc=d3e24092-122690<br><br>Reference 4: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 330<br> -SubTopic 10<br> -Section 35<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=68049868&amp;loc=d3e3927-108312<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_InventoryValuationReserves</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PreferredStockSharesAuthorized">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The maximum number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) permitted to be issued by an entity's charter and bylaws.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(28))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PreferredStockSharesAuthorized</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PreferredStockSharesIssued">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Total number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) issued to shareholders (includes related preferred shares that were issued, repurchased, and remain in the treasury). May be all or portion of the number of preferred shares authorized. Excludes preferred shares that are classified as debt.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(28))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PreferredStockSharesIssued</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PreferredStockSharesOutstanding">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Aggregate share number for all nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) held by stockholders. Does not include preferred shares that have been repurchased.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(28))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PreferredStockSharesOutstanding</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_StockholdersEquityAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StockholdersEquityAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
</div>
</body>
</html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>16
<FILENAME>R4.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
							function toggleNextSibling (e) {
							if (e.nextSibling.style.display=='none') {
							e.nextSibling.style.display='block';
							} else { e.nextSibling.style.display='none'; }
							}</script>
</head>
<body>
<span style="display: none;">v3.10.0.1</span><table class="report" border="0" cellspacing="2" id="idp6798518656">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Condensed Consolidated Income Statements (Unaudited) - USD ($)<br> shares in Thousands, $ in Thousands</strong></div></th>
<th class="th" colspan="2">3 Months Ended</th>
<th class="th" colspan="2">6 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Jun. 30, 2018</div></th>
<th class="th"><div>Jun. 30, 2017</div></th>
<th class="th"><div>Jun. 30, 2018</div></th>
<th class="th"><div>Jun. 30, 2017</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SalesRevenueNetAbstract', window );"><strong>Revenue:</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_Revenues', window );">Revenue</a></td>
<td class="nump">$ 18,204<span></span>
</td>
<td class="nump">$ 16,218<span></span>
</td>
<td class="nump">$ 32,922<span></span>
</td>
<td class="nump">$ 35,120<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CostsAndExpensesAbstract', window );"><strong>Operating costs and expenses:</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DirectCostsOfLeasedAndRentedPropertyOrEquipment', window );">Cost of rentals, exclusive of depreciation stated separately below</a></td>
<td class="nump">5,195<span></span>
</td>
<td class="nump">4,255<span></span>
</td>
<td class="nump">9,899<span></span>
</td>
<td class="nump">8,923<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OtherCostOfOperatingRevenue', window );">Cost of sales, exclusive of depreciation stated separately below</a></td>
<td class="nump">4,924<span></span>
</td>
<td class="nump">3,745<span></span>
</td>
<td class="nump">7,115<span></span>
</td>
<td class="nump">9,168<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OtherCostOfServices', window );">Cost of service and maintenance</a></td>
<td class="nump">101<span></span>
</td>
<td class="nump">104<span></span>
</td>
<td class="nump">166<span></span>
</td>
<td class="nump">198<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SellingGeneralAndAdministrativeExpense', window );">Selling, general and administrative expense</a></td>
<td class="nump">2,309<span></span>
</td>
<td class="nump">2,390<span></span>
</td>
<td class="nump">4,330<span></span>
</td>
<td class="nump">5,436<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DepreciationDepletionAndAmortization', window );">Depreciation and amortization</a></td>
<td class="nump">5,449<span></span>
</td>
<td class="nump">5,310<span></span>
</td>
<td class="nump">10,836<span></span>
</td>
<td class="nump">10,638<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CostsAndExpenses', window );">Total operating costs and expenses</a></td>
<td class="nump">17,978<span></span>
</td>
<td class="nump">15,804<span></span>
</td>
<td class="nump">32,346<span></span>
</td>
<td class="nump">34,363<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OperatingIncomeLoss', window );">Operating income</a></td>
<td class="nump">226<span></span>
</td>
<td class="nump">414<span></span>
</td>
<td class="nump">576<span></span>
</td>
<td class="nump">757<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_NonoperatingIncomeExpenseAbstract', window );"><strong>Other income (expense):</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_InterestExpense', window );">Interest expense</a></td>
<td class="num">(3)<span></span>
</td>
<td class="num">(2)<span></span>
</td>
<td class="num">(6)<span></span>
</td>
<td class="num">(4)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OtherNonoperatingIncomeExpense', window );">Other income, net</a></td>
<td class="nump">78<span></span>
</td>
<td class="nump">3<span></span>
</td>
<td class="nump">5<span></span>
</td>
<td class="nump">6<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_NonoperatingIncomeExpense', window );">Total other income (expense), net</a></td>
<td class="nump">75<span></span>
</td>
<td class="nump">1<span></span>
</td>
<td class="num">(1)<span></span>
</td>
<td class="nump">2<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest', window );">Income before provision for income taxes</a></td>
<td class="nump">301<span></span>
</td>
<td class="nump">415<span></span>
</td>
<td class="nump">575<span></span>
</td>
<td class="nump">759<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeTaxExpenseBenefit', window );">Provision for income taxes</a></td>
<td class="nump">54<span></span>
</td>
<td class="nump">40<span></span>
</td>
<td class="nump">103<span></span>
</td>
<td class="nump">132<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_NetIncomeLoss', window );">Net income</a></td>
<td class="nump">$ 247<span></span>
</td>
<td class="nump">$ 375<span></span>
</td>
<td class="nump">$ 472<span></span>
</td>
<td class="nump">$ 627<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_EarningsPerShareAbstract', window );"><strong>Earnings per share:</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_EarningsPerShareBasic', window );">Basic (in USD per share)</a></td>
<td class="nump">$ 0.02<span></span>
</td>
<td class="nump">$ 0.03<span></span>
</td>
<td class="nump">$ 0.04<span></span>
</td>
<td class="nump">$ 0.05<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_EarningsPerShareDiluted', window );">Diluted (in USD per share)</a></td>
<td class="nump">$ 0.02<span></span>
</td>
<td class="nump">$ 0.03<span></span>
</td>
<td class="nump">$ 0.04<span></span>
</td>
<td class="nump">$ 0.05<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_ngs_WeightedAverageSharesOutstandingBasicAndDilutedAbstract', window );"><strong>Weighted average shares outstanding:</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic', window );">Basic (in shares)</a></td>
<td class="nump">12,963<span></span>
</td>
<td class="nump">12,831<span></span>
</td>
<td class="nump">12,941<span></span>
</td>
<td class="nump">12,818<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding', window );">Diluted (in shares)</a></td>
<td class="nump">13,261<span></span>
</td>
<td class="nump">13,130<span></span>
</td>
<td class="nump">13,215<span></span>
</td>
<td class="nump">13,093<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ProductOrServiceAxis=ngs_RentalMember', window );">Rental</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SalesRevenueNetAbstract', window );"><strong>Revenue:</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_Revenues', window );">Revenue</a></td>
<td class="nump">$ 11,427<span></span>
</td>
<td class="nump">$ 11,420<span></span>
</td>
<td class="nump">$ 22,898<span></span>
</td>
<td class="nump">$ 23,342<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CostsAndExpensesAbstract', window );"><strong>Operating costs and expenses:</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CostsAndExpenses', window );">Total operating costs and expenses</a></td>
<td class="nump">5,195<span></span>
</td>
<td class="nump">4,255<span></span>
</td>
<td class="nump">9,899<span></span>
</td>
<td class="nump">8,923<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_NonoperatingIncomeExpenseAbstract', window );"><strong>Other income (expense):</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_NonoperatingIncomeExpense', window );">Total other income (expense), net</a></td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest', window );">Income before provision for income taxes</a></td>
<td class="nump">6,232<span></span>
</td>
<td class="nump">7,165<span></span>
</td>
<td class="nump">12,999<span></span>
</td>
<td class="nump">14,419<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ProductOrServiceAxis=ngs_ProductSalesMember', window );">Sales</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SalesRevenueNetAbstract', window );"><strong>Revenue:</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_Revenues', window );">Revenue</a></td>
<td class="nump">6,383<span></span>
</td>
<td class="nump">4,407<span></span>
</td>
<td class="nump">9,381<span></span>
</td>
<td class="nump">11,044<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ProductOrServiceAxis=ngs_ServiceandMaintenanceMember', window );">Service and maintenance</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SalesRevenueNetAbstract', window );"><strong>Revenue:</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_Revenues', window );">Revenue</a></td>
<td class="nump">394<span></span>
</td>
<td class="nump">391<span></span>
</td>
<td class="nump">643<span></span>
</td>
<td class="nump">734<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CostsAndExpensesAbstract', window );"><strong>Operating costs and expenses:</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CostsAndExpenses', window );">Total operating costs and expenses</a></td>
<td class="nump">101<span></span>
</td>
<td class="nump">104<span></span>
</td>
<td class="nump">166<span></span>
</td>
<td class="nump">198<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_NonoperatingIncomeExpenseAbstract', window );"><strong>Other income (expense):</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_NonoperatingIncomeExpense', window );">Total other income (expense), net</a></td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest', window );">Income before provision for income taxes</a></td>
<td class="nump">$ 293<span></span>
</td>
<td class="nump">$ 287<span></span>
</td>
<td class="nump">$ 477<span></span>
</td>
<td class="nump">$ 536<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_ngs_WeightedAverageSharesOutstandingBasicAndDilutedAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Weighted Average Shares Outstanding Basic and Diluted [Abstract]</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">ngs_WeightedAverageSharesOutstandingBasicAndDilutedAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>ngs_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CostsAndExpenses">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Total costs of sales and operating expenses for the period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 225<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.5-03)<br> -URI http://asc.fasb.org/extlink&amp;oid=63488584&amp;loc=d3e20235-122688<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CostsAndExpenses</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CostsAndExpensesAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CostsAndExpensesAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DepreciationDepletionAndAmortization">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 28<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=98514028&amp;loc=d3e3602-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DepreciationDepletionAndAmortization</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DirectCostsOfLeasedAndRentedPropertyOrEquipment">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of expense incurred and directly related to generating revenue from leased and rented property or equipment.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 225<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.5-03.2(c))<br> -URI http://asc.fasb.org/extlink&amp;oid=63488584&amp;loc=d3e20235-122688<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DirectCostsOfLeasedAndRentedPropertyOrEquipment</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_EarningsPerShareAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_EarningsPerShareAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_EarningsPerShareBasic">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6371337&amp;loc=d3e3550-109257<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 55<br> -Paragraph 52<br> -URI http://asc.fasb.org/extlink&amp;oid=96948231&amp;loc=d3e4984-109258<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 225<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-04(19))<br> -URI http://asc.fasb.org/extlink&amp;oid=6879464&amp;loc=d3e573970-122913<br><br>Reference 4: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 45<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=96947427&amp;loc=d3e1252-109256<br><br>Reference 5: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 225<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.5-03(21))<br> -URI http://asc.fasb.org/extlink&amp;oid=63488584&amp;loc=d3e20235-122688<br><br>Reference 6: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 225<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-04(23))<br> -URI http://asc.fasb.org/extlink&amp;oid=6879574&amp;loc=d3e536633-122882<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_EarningsPerShareBasic</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:perShareItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_EarningsPerShareDiluted">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 225<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-04(19))<br> -URI http://asc.fasb.org/extlink&amp;oid=6879464&amp;loc=d3e573970-122913<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 45<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=96947427&amp;loc=d3e1252-109256<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 225<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.5-03(21))<br> -URI http://asc.fasb.org/extlink&amp;oid=63488584&amp;loc=d3e20235-122688<br><br>Reference 4: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 225<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-04(23))<br> -URI http://asc.fasb.org/extlink&amp;oid=6879574&amp;loc=d3e536633-122882<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_EarningsPerShareDiluted</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:perShareItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 940<br> -SubTopic 20<br> -Section 25<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=68072869&amp;loc=d3e41242-110953<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 225<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.5-03(10))<br> -URI http://asc.fasb.org/extlink&amp;oid=63488584&amp;loc=d3e20235-122688<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 225<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-04(15))<br> -URI http://asc.fasb.org/extlink&amp;oid=6879574&amp;loc=d3e536633-122882<br><br>Reference 4: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 225<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-04(8))<br> -URI http://asc.fasb.org/extlink&amp;oid=6879464&amp;loc=d3e573970-122913<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncomeTaxExpenseBenefit">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 9<br> -Subparagraph (a),(b)<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32639-109319<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.4-08.(h))<br> -URI http://asc.fasb.org/extlink&amp;oid=26873400&amp;loc=d3e23780-122690<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncomeTaxExpenseBenefit</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_InterestExpense">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of the cost of borrowed funds accounted for as interest expense.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 835<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6450988&amp;loc=d3e26243-108391<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 835<br> -SubTopic 30<br> -Section 45<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=64930785&amp;loc=d3e28555-108399<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 225<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-04.9)<br> -URI http://asc.fasb.org/extlink&amp;oid=6879574&amp;loc=d3e536633-122882<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_InterestExpense</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_NetIncomeLoss">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 28<br> -URI http://asc.fasb.org/extlink&amp;oid=98514028&amp;loc=d3e3602-108585<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6371337&amp;loc=d3e3550-109257<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 225<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-04(22))<br> -URI http://asc.fasb.org/extlink&amp;oid=6879574&amp;loc=d3e536633-122882<br><br>Reference 4: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 225<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-04(18))<br> -URI http://asc.fasb.org/extlink&amp;oid=6879464&amp;loc=d3e573970-122913<br><br>Reference 5: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 225<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.5-03(20))<br> -URI http://asc.fasb.org/extlink&amp;oid=63488584&amp;loc=d3e20235-122688<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_NetIncomeLoss</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_NonoperatingIncomeExpense">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The aggregate amount of income or expense from ancillary business-related activities (that is to say, excluding major activities considered part of the normal operations of the business).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 225<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.5-03.7)<br> -URI http://asc.fasb.org/extlink&amp;oid=63488584&amp;loc=d3e20235-122688<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_NonoperatingIncomeExpense</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_NonoperatingIncomeExpenseAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_NonoperatingIncomeExpenseAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OperatingIncomeLoss">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The net result for the period of deducting operating expenses from operating revenues.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OperatingIncomeLoss</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OtherCostOfOperatingRevenue">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Other costs incurred during the reporting period related to other revenue generating activities.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 225<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.5-03.2)<br> -URI http://asc.fasb.org/extlink&amp;oid=63488584&amp;loc=d3e20235-122688<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OtherCostOfOperatingRevenue</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OtherCostOfServices">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Other costs incurred and are directly related to services rendered by an entity during the reporting period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 225<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.5-03.2(d))<br> -URI http://asc.fasb.org/extlink&amp;oid=63488584&amp;loc=d3e20235-122688<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OtherCostOfServices</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OtherNonoperatingIncomeExpense">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of income (expense) related to nonoperating activities, classified as other.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 225<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.5-03.9)<br> -URI http://asc.fasb.org/extlink&amp;oid=63488584&amp;loc=d3e20235-122688<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OtherNonoperatingIncomeExpense</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_Revenues">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 225<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.5-03.1)<br> -URI http://asc.fasb.org/extlink&amp;oid=63488584&amp;loc=d3e20235-122688<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_Revenues</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_SalesRevenueNetAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_SalesRevenueNetAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_SellingGeneralAndAdministrativeExpense">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The aggregate total costs related to selling a firm's product and services, as well as all other general and administrative expenses. Direct selling expenses (for example, credit, warranty, and advertising) are expenses that can be directly linked to the sale of specific products. Indirect selling expenses are expenses that cannot be directly linked to the sale of specific products, for example telephone expenses, Internet, and postal charges. General and administrative expenses include salaries of non-sales personnel, rent, utilities, communication, etc.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 225<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.5-03.4)<br> -URI http://asc.fasb.org/extlink&amp;oid=63488584&amp;loc=d3e20235-122688<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 330<br> -SubTopic 10<br> -Section 30<br> -Paragraph 8<br> -URI http://asc.fasb.org/extlink&amp;oid=68048583&amp;loc=d3e3636-108311<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_SellingGeneralAndAdministrativeExpense</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 45<br> -Paragraph 16<br> -URI http://asc.fasb.org/extlink&amp;oid=96947427&amp;loc=d3e1505-109256<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=6371337&amp;loc=d3e3550-109257<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=6371337&amp;loc=d3e3550-109257<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 45<br> -Paragraph 10<br> -URI http://asc.fasb.org/extlink&amp;oid=96947427&amp;loc=d3e1448-109256<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_WeightedAverageNumberOfSharesOutstandingBasic</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ProductOrServiceAxis=ngs_RentalMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ProductOrServiceAxis=ngs_RentalMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ProductOrServiceAxis=ngs_ProductSalesMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ProductOrServiceAxis=ngs_ProductSalesMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ProductOrServiceAxis=ngs_ServiceandMaintenanceMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ProductOrServiceAxis=ngs_ServiceandMaintenanceMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
</div>
</body>
</html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>17
<FILENAME>R5.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
							function toggleNextSibling (e) {
							if (e.nextSibling.style.display=='none') {
							e.nextSibling.style.display='block';
							} else { e.nextSibling.style.display='none'; }
							}</script>
</head>
<body>
<span style="display: none;">v3.10.0.1</span><table class="report" border="0" cellspacing="2" id="idp6800880848">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th" colspan="2">6 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Jun. 30, 2018</div></th>
<th class="th"><div>Jun. 30, 2017</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract', window );"><strong>CASH FLOWS FROM OPERATING ACTIVITIES:</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_NetIncomeLoss', window );">Net income</a></td>
<td class="nump">$ 472<span></span>
</td>
<td class="nump">$ 627<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract', window );"><strong>Adjustments to reconcile net income to net cash provided by operating&#160;activities:</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DepreciationDepletionAndAmortization', window );">Depreciation and amortization</a></td>
<td class="nump">10,836<span></span>
</td>
<td class="nump">10,638<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DeferredIncomeTaxExpenseBenefit', window );">Deferred income taxes</a></td>
<td class="nump">170<span></span>
</td>
<td class="num">(2,609)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensation', window );">Stock-based compensation</a></td>
<td class="nump">1,076<span></span>
</td>
<td class="nump">2,416<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ProvisionForDoubtfulAccounts', window );">Bad debt allowance</a></td>
<td class="num">(102)<span></span>
</td>
<td class="nump">60<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_GainLossOnDispositionOfAssets', window );">Gain on sale of assets</a></td>
<td class="num">(49)<span></span>
</td>
<td class="num">(49)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LifeInsuranceCorporateOrBankOwnedChangeInValue', window );">Loss (gain) on company owned life insurance</a></td>
<td class="nump">55<span></span>
</td>
<td class="num">(17)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract', window );"><strong>Changes in operating assets and liabilities:</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncreaseDecreaseInAccountsReceivable', window );">Trade accounts receivables</a></td>
<td class="num">(739)<span></span>
</td>
<td class="nump">1,147<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncreaseDecreaseInInventories', window );">Inventory</a></td>
<td class="nump">2,673<span></span>
</td>
<td class="nump">1,383<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets', window );">Prepaid expenses and prepaid income taxes</a></td>
<td class="nump">321<span></span>
</td>
<td class="num">(1,411)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities', window );">Accounts payable and accrued liabilities</a></td>
<td class="num">(4,327)<span></span>
</td>
<td class="nump">297<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_ngs_IncreaseDecreaseInContractWithCustomerLiability', window );">Deferred income</a></td>
<td class="nump">302<span></span>
</td>
<td class="num">(1,849)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncreaseDecreaseInOtherCurrentAssets', window );">Other</a></td>
<td class="nump">172<span></span>
</td>
<td class="nump">512<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_NetCashProvidedByUsedInOperatingActivities', window );">NET CASH PROVIDED BY OPERATING ACTIVITIES</a></td>
<td class="nump">10,860<span></span>
</td>
<td class="nump">11,145<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract', window );"><strong>CASH FLOWS FROM INVESTING ACTIVITIES:</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment', window );">Purchase of rental equipment and property and equipment</a></td>
<td class="num">(16,945)<span></span>
</td>
<td class="num">(1,587)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PaymentsToAcquireLifeInsurancePolicies', window );">Purchase of company owned life insurance</a></td>
<td class="num">(191)<span></span>
</td>
<td class="num">(529)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment', window );">Proceeds from sale of property and equipment</a></td>
<td class="nump">49<span></span>
</td>
<td class="nump">49<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_NetCashProvidedByUsedInInvestingActivities', window );">NET CASH USED IN INVESTING ACTIVITIES</a></td>
<td class="num">(17,087)<span></span>
</td>
<td class="num">(2,067)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract', window );"><strong>CASH FLOWS FROM FINANCING ACTIVITIES:</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_ngs_ProceedsFromPurchaseCommitmentDiscountNet', window );">Payments from other long-term liabilities, net</a></td>
<td class="num">(19)<span></span>
</td>
<td class="num">(7)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ProceedsFromStockOptionsExercised', window );">Proceeds from exercise of stock options</a></td>
<td class="nump">157<span></span>
</td>
<td class="nump">517<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation', window );">Taxes paid related to net share settlement of equity awards</a></td>
<td class="num">(629)<span></span>
</td>
<td class="num">(644)<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_NetCashProvidedByUsedInFinancingActivities', window );">NET CASH USED IN FINANCING ACTIVITIES</a></td>
<td class="num">(491)<span></span>
</td>
<td class="num">(134)<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease', window );">NET CHANGE IN CASH AND CASH EQUIVALENTS</a></td>
<td class="num">(6,718)<span></span>
</td>
<td class="nump">8,944<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CashAndCashEquivalentsAtCarryingValue', window );">CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD</a></td>
<td class="nump">69,208<span></span>
</td>
<td class="nump">64,094<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CashAndCashEquivalentsAtCarryingValue', window );">CASH AND CASH EQUIVALENTS AT END OF PERIOD</a></td>
<td class="nump">62,490<span></span>
</td>
<td class="nump">73,038<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SupplementalCashFlowInformationAbstract', window );"><strong>SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION:</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_InterestPaid', window );">Interest paid</a></td>
<td class="nump">6<span></span>
</td>
<td class="nump">4<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeTaxesPaid', window );">Income taxes paid</a></td>
<td class="nump">66<span></span>
</td>
<td class="nump">3,203<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract', window );"><strong>NON-CASH TRANSACTIONS</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_ngs_TransferOfRentalEquipmentToInventory', window );">Transfer of rental equipment components to inventory</a></td>
<td class="nump">$ 144<span></span>
</td>
<td class="nump">$ 48<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_ngs_IncreaseDecreaseInContractWithCustomerLiability">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Increase (Decrease) In Contract With Customer, Liability</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">ngs_IncreaseDecreaseInContractWithCustomerLiability</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>ngs_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_ngs_ProceedsFromPurchaseCommitmentDiscountNet">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Proceeds from Purchase Commitment Discount Net</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">ngs_ProceedsFromPurchaseCommitmentDiscountNet</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>ngs_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_ngs_TransferOfRentalEquipmentToInventory">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Transfer of Rental Equipment to Inventory</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">ngs_TransferOfRentalEquipmentToInventory</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>ngs_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CashAndCashEquivalentsAtCarryingValue">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section 45<br> -Paragraph 1<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=82887183&amp;loc=d3e6676-107765<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 4<br> -URI http://asc.fasb.org/extlink&amp;oid=98514028&amp;loc=d3e3044-108585<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.1)<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CashAndCashEquivalentsAtCarryingValue</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of increase (decrease) in cash and cash equivalents. Cash and cash equivalents are the amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Includes effect from exchange rate changes.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 24<br> -URI http://asc.fasb.org/extlink&amp;oid=98514028&amp;loc=d3e3521-108585<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 830<br> -SubTopic 230<br> -Section 45<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=98513438&amp;loc=d3e33268-110906<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DeferredIncomeTaxExpenseBenefit">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of deferred income tax expense (benefit) pertaining to income (loss) from continuing operations.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 28<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=98514028&amp;loc=d3e3602-108585<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 9<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32639-109319<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.4-08(h))<br> -URI http://asc.fasb.org/extlink&amp;oid=26873400&amp;loc=d3e23780-122690<br><br>Reference 4: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SAB Topic 6.I.7)<br> -URI http://asc.fasb.org/extlink&amp;oid=34349781&amp;loc=d3e330036-122817<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DeferredIncomeTaxExpenseBenefit</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DepreciationDepletionAndAmortization">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 28<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=98514028&amp;loc=d3e3602-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DepreciationDepletionAndAmortization</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_GainLossOnDispositionOfAssets">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of gain (loss) on sale or disposal of property, plant and equipment assets, excluding oil and gas property and timber property.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=64827811&amp;loc=d3e1361-107760<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 360<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=84176398&amp;loc=d3e2941-110230<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_GainLossOnDispositionOfAssets</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncomeTaxesPaid">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=98513485&amp;loc=d3e4297-108586<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 25<br> -Subparagraph (f)<br> -URI http://asc.fasb.org/extlink&amp;oid=98514028&amp;loc=d3e3536-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncomeTaxesPaid</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The increase (decrease) during the reporting period in the amounts payable to vendors for goods and services received and the amount of obligations and expenses incurred but not paid.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 28<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=98514028&amp;loc=d3e3602-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncreaseDecreaseInAccountsReceivable">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The increase (decrease) during the reporting period in amount due within one year (or one business cycle) from customers for the credit sale of goods and services.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 28<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=98514028&amp;loc=d3e3602-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncreaseDecreaseInAccountsReceivable</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncreaseDecreaseInInventories">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The increase (decrease) during the reporting period in the aggregate value of all inventory held by the reporting entity, associated with underlying transactions that are classified as operating activities.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 28<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=98514028&amp;loc=d3e3602-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncreaseDecreaseInInventories</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncreaseDecreaseInOperatingCapitalAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncreaseDecreaseInOtherCurrentAssets">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of increase (decrease) in current assets classified as other.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncreaseDecreaseInOtherCurrentAssets</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of increase (decrease) in prepaid expenses, and assets classified as other.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 28<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=98514028&amp;loc=d3e3602-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_InterestPaid">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of cash paid for interest. Includes, but is not limited to, payment to settle zero-coupon bond attributable to accreted interest of debt discount and debt instrument with insignificant coupon interest rate in relation to effective interest rate of borrowing attributable to accreted interest of debt discount.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=98513485&amp;loc=d3e4297-108586<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 25<br> -Subparagraph (e)<br> -URI http://asc.fasb.org/extlink&amp;oid=98514028&amp;loc=d3e3536-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_InterestPaid</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LifeInsuranceCorporateOrBankOwnedChangeInValue">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The change in cash surrender or contract value during the period which adjusted the amount of premiums paid in determining the expense or income recognized under the contract for the period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 325<br> -SubTopic 30<br> -Section 35<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=6384439&amp;loc=d3e42048-111605<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LifeInsuranceCorporateOrBankOwnedChangeInValue</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_NetCashProvidedByUsedInFinancingActivities">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of cash inflow (outflow) from financing activities, including discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 24<br> -URI http://asc.fasb.org/extlink&amp;oid=98514028&amp;loc=d3e3521-108585<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 26<br> -URI http://asc.fasb.org/extlink&amp;oid=98514028&amp;loc=d3e3574-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_NetCashProvidedByUsedInFinancingActivities</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_NetCashProvidedByUsedInInvestingActivities">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of cash inflow (outflow) from investing activities, including discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 24<br> -URI http://asc.fasb.org/extlink&amp;oid=98514028&amp;loc=d3e3521-108585<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 26<br> -URI http://asc.fasb.org/extlink&amp;oid=98514028&amp;loc=d3e3574-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_NetCashProvidedByUsedInInvestingActivities</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_NetCashProvidedByUsedInOperatingActivities">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of cash inflow (outflow) from operating activities, including discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 24<br> -URI http://asc.fasb.org/extlink&amp;oid=98514028&amp;loc=d3e3521-108585<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 28<br> -URI http://asc.fasb.org/extlink&amp;oid=98514028&amp;loc=d3e3602-108585<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 25<br> -URI http://asc.fasb.org/extlink&amp;oid=98514028&amp;loc=d3e3536-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_NetCashProvidedByUsedInOperatingActivities</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_NetIncomeLoss">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 28<br> -URI http://asc.fasb.org/extlink&amp;oid=98514028&amp;loc=d3e3602-108585<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6371337&amp;loc=d3e3550-109257<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 225<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-04(22))<br> -URI http://asc.fasb.org/extlink&amp;oid=6879574&amp;loc=d3e536633-122882<br><br>Reference 4: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 225<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-04(18))<br> -URI http://asc.fasb.org/extlink&amp;oid=6879464&amp;loc=d3e573970-122913<br><br>Reference 5: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 225<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.5-03(20))<br> -URI http://asc.fasb.org/extlink&amp;oid=63488584&amp;loc=d3e20235-122688<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_NetIncomeLoss</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of cash outflow to satisfy an employee's income tax withholding obligation as part of a net-share settlement of a share-based award.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 25<br> -Paragraph 19A<br> -URI http://asc.fasb.org/extlink&amp;oid=96949009&amp;loc=SL79513924-113897<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 15<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=98514028&amp;loc=d3e3291-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PaymentsToAcquireLifeInsurancePolicies">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of cash outflow for payment of premium on corporate-owned life insurance policy, classified as investing activities. Includes, but is not limited to, bank-owned life insurance policy.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 13<br> -URI http://asc.fasb.org/extlink&amp;oid=98514028&amp;loc=d3e3213-108585<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 21C<br> -URI http://asc.fasb.org/extlink&amp;oid=98514028&amp;loc=SL94080552-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PaymentsToAcquireLifeInsurancePolicies</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 13<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=98514028&amp;loc=d3e3213-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PaymentsToAcquirePropertyPlantAndEquipment</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The cash inflow from the sale of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 12<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=98514028&amp;loc=d3e3179-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ProceedsFromStockOptionsExercised">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of cash inflow from exercise of stock options granted under share-based compensation arrangement.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 14<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=98514028&amp;loc=d3e3255-108585<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2A<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=96867065&amp;loc=SL79508275-113901<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ProceedsFromStockOptionsExercised</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ProvisionForDoubtfulAccounts">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of expense related to write-down of receivables to the amount expected to be collected. Includes, but is not limited to, accounts receivable and notes receivable.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 606<br> -SubTopic 10<br> -Section 45<br> -Paragraph 4<br> -URI http://asc.fasb.org/extlink&amp;oid=82913815&amp;loc=SL49130534-203044<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 225<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.5-03.5)<br> -URI http://asc.fasb.org/extlink&amp;oid=63488584&amp;loc=d3e20235-122688<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 28<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=98514028&amp;loc=d3e3602-108585<br><br>Reference 4: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 606<br> -SubTopic 10<br> -Section 50<br> -Paragraph 4<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=82913847&amp;loc=SL49130543-203045<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ProvisionForDoubtfulAccounts</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShareBasedCompensation">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 28<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=98514028&amp;loc=d3e3602-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensation</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_SupplementalCashFlowInformationAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_SupplementalCashFlowInformationAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
</div>
</body>
</html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>18
<FILENAME>R6.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
							function toggleNextSibling (e) {
							if (e.nextSibling.style.display=='none') {
							e.nextSibling.style.display='block';
							} else { e.nextSibling.style.display='none'; }
							}</script>
</head>
<body>
<span style="display: none;">v3.10.0.1</span><table class="report" border="0" cellspacing="2" id="idp6630991344">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Basis of Presentation and Summary of Significant Accounting Policies<br></strong></div></th>
<th class="th" colspan="1">6 Months Ended</th>
</tr>
<tr><th class="th"><div>Jun. 30, 2018</div></th></tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccountingPoliciesAbstract', window );"><strong>Accounting Policies [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_BasisOfPresentationAndSignificantAccountingPoliciesTextBlock', window );">Basis of Presentation and Summary of Significant Accounting Policies</a></td>
<td class="text">Basis of Presentation and Summary of Significant Accounting Policies<div style="text-indent:36pt;line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">These notes apply to the unaudited condensed consolidated financial statements of Natural Gas Services Group, Inc. a Colorado corporation&#160;(the "Company", &#8220;NGSG&#8221;, "Natural Gas Services Group", "we" or "our").&#160;&#160;The accompanying unaudited condensed consolidated financial statements include the accounts of the Company, its subsidiary, NGSG Properties, LLC and the rabbi trust associated with the Company's deferred compensations plan, see Note 4. All significant intercompany accounts and transactions for the periods presented have been eliminated in consolidation.</span></div><div style="line-height:120%;"><span><br/></span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">These&#160;financial statements include all adjustments, consisting of only normal recurring adjustments, which are necessary to make our financial position at June 30, 2018 and the results of our operations for the three and six months ended June 30, 2018 and 2017 not misleading.&#160;As permitted by the rules and regulations of the Securities and Exchange Commission (SEC), the accompanying condensed consolidated financial statements do not include all disclosures normally required by generally accepted accounting principles in the United States of America (GAAP).&#160;These financial statements should be read in conjunction</span><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:700;line-height:120%;vertical-align:bottom;">&#160;</span><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">with the financial statements included in our Annual Report on Form 10-K for the year ended December 31, 2017 on file with the SEC.&#160;&#160;In our opinion, the condensed consolidated financial statements are a fair presentation of the financial position, results of operations and cash flows for the periods presented.</span></div><div style="line-height:120%;"><span><br/></span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">The results of operations for the three and&#160;six months ended June 30, 2018 are not necessarily indicative of the results of operations to be expected for the full fiscal year ending December 31, 2018.</span></div><div style="line-height:120%;"><span><br/></span></div><div style="line-height:120%;margin-bottom:10pt;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-style:italic;font-weight:700;line-height:120%;vertical-align:bottom;">Revenue Recognition Policy</span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">The Company adopted ASC 606, Revenue from Contracts with Customers ("ASC 606") on January 1, 2018.&#160;As a result,&#160;the&#160;Company has changed its accounting policy for revenue recognition&#160;as detailed&#160;below.</span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;</span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">The Company applied ASC 606 using the cumulative effect method. We had no significant changes in our recognition of revenue at adoption and our review of all open revenue from contracts with customers on January 1, 2018 indicated we had no adjustment to be made. If an adjustment had been needed, we would have recognized the cumulative effect of initially applying ASC 606 with an adjustment to the opening balance of equity at January 1, 2018. Therefore, our consolidated financial statements for 2017 reported under ASC 605 are comparable to the consolidated financial statements for 2018 reported under ASC 606, since an adjustment was not needed, except for the respective additional disclosures as detailed below.&#160;</span></div><div style="text-indent:36pt;line-height:120%;"><span><br/></span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;margin-bottom:10pt;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">Revenue is measured based on a consideration specified in a customer&#8217;s contract, excluding any sale incentives and taxes collected on behalf of third parties (i.e. sales and property taxes).  We recognize revenue once a performance obligation has been satisfied and control over a product or service has transferred to the customer. Shipping and handling costs incurred are accounted for as fulfillment costs and are included in cost of revenues in our condensed consolidated income statement. </span></div><div style="line-height:120%;text-align:justify;margin-bottom:10pt;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-style:italic;line-height:120%;vertical-align:bottom;">Nature of goods and Services</span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;margin-bottom:10pt;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">The following is a description of principal activities from which the Company generates its revenue: </span></div><div style="line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-style:italic;line-height:120%;vertical-align:bottom;">Rental Revenue. </span><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">The Company generates revenue from renting compressors and flare systems to our customers. These contracts may also include a fee for servicing the compressor or flare during the rental contract. Our rental contracts range from six to twenty-four months, with revenue being recognized over time, in equal payments over the term of the contract. After the terms of the contract have expired,&#160;a&#160;customer may renew their contract or continue renting on a monthly basis thereafter. In accordance with generally accepted accounting principles, the revenue earned from servicing rental equipment is recognized in accordance with ASC 606</span><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-style:italic;line-height:120%;vertical-align:bottom;">, </span><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">while the revenue earned from the rental of the equipment is recognized in accordance with</span><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-style:italic;line-height:120%;vertical-align:bottom;">&#160;</span><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">ASC 840 </span><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-style:italic;line-height:120%;vertical-align:bottom;">- Leases</span><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">. </span></div><div style="padding-left:36pt;line-height:120%;text-align:justify;"><span><br/></span></div><div style="line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-style:italic;line-height:120%;vertical-align:bottom;">Sales Revenue.</span><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"> The Company generates revenue by the sale of custom/fabricated compressors, flare systems and parts, as well as, exchange/rebuilding customer owned compressors and sale of used rental equipment. </span></div><div style="line-height:120%;text-align:justify;"><span><br/></span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">Custom/fabricated compressors and flare systems - The Company designs and fabricates compressors and flares based on the customer&#8217;s specifications outlined in their contract. Though the equipment being built is customized by the customer, </span></div><div style="line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">control under these contracts does not pass to the customer until the compressor or flare package is complete and shipped, or in accordance with a bill and hold arrangements the customer accepts title and assumes the risk and rewards of ownership. We request some of our customers to make progressive payments as the product is being built; these payments are recorded as a contract liability on the Deferred Income line on the condensed consolidated balance sheet until control has been transferred. These contracts also may include an assurance warranty clause to guarantee the product is free from defects in material and workmanship for a set duration of time; this is a standard industry practice and is not considered a performance obligation. </span></div><div style="padding-left:72pt;line-height:120%;text-align:justify;"><span><br/></span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;margin-bottom:10pt;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">From time to time, upon the customer&#8217;s written request, we recognize revenue when manufacturing is complete and the equipment is ready for shipment. At the customer&#8217;s request, we will bill the customer upon completing all performance obligations, but before shipment. The customer will formally request we ship the equipment per their direction from our manufacturing facility at a later specified date and that we segregate the equipment from our finished goods, such that they are not available to fill other orders. Per the customer&#8217;s agreement&#160;change of control is passed to the customer once the equipment is complete and ready for shipment. We have operated using bill and hold agreements with certain customers for many years, with consistent satisfactory results for both the customer and us. The credit terms on these agreements are consistent with the credit terms on all other sales. All control&#160;shouldered by the customer, and there are no exceptions to the customer&#8217;s commitment to accept and pay for the manufactured equipment. Revenues recognized at the completion of manufacturing for the six months ended June 30, 2018 was approximately&#160;$6.3 million.</span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">Parts</span><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-style:italic;line-height:120%;vertical-align:bottom;"> - </span><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">Revenue is recognized after the customer obtains control of the parts. Control is passed either by the customer taking physical possession or the parts being shipped. The amount of revenue recognized is not adjusted for expected returns, as our historical part returns have been de minimis. </span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span><br/></span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">Exchange or rebuilding customer owned compressors - Based on the contract, the Company will either exchange a new/rebuilt compressor for the customer&#8217;s malfunctioning compressor or rebuild the customer&#8217;s compressor. Revenue is recognized after control of the replacement compressor has transferred to the customer by physical delivery, delivery and installment or shipment of the compressor.</span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span><br/></span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">Used compressors or flares - From time to time, a customer may request to purchase a used compressor or flare out of our rental fleet. Revenue from the sale of rental equipment is recognized when the control has passed to the customer, when the customer has taken physical possession or the equipment has been shipped.</span></div><div style="padding-left:72pt;line-height:120%;text-align:justify;"><span><br/></span></div><div style="line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-style:italic;line-height:120%;vertical-align:bottom;">Service and Maintenance Revenue</span><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">. The Company provides routine or call-out services on customer owned equipment. Revenue is recognized after services in the contract are rendered. </span></div><div style="line-height:120%;"><span><br/></span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">Payment terms for sales revenue and service and maintenance revenue discussed above are generally 30 to 60 days although terms for specific customers can vary. Also, the transaction prices are not subject to variable consideration constraints.</span></div><div style="line-height:120%;"><span><br/></span></div><div style="line-height:120%;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-style:italic;font-weight:700;line-height:120%;vertical-align:bottom;">Disaggregation of Revenue</span></div><div style="line-height:120%;"><span><br/></span></div><div style="line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">The following table shows the Company's revenue disaggregated by product or service type for the three and six months ended June 30, 2018 and 2017:</span></div><div style="line-height:120%;text-align:justify;"><span><br/></span></div><div style="line-height:120%;text-align:center;"><span><br/></span></div><div style="text-align:center;"><table style="margin-left:auto;margin-right:auto;border-collapse:collapse;text-align:left;text-indent:0pt;display:inline-table;width:99.990000%;"><tr><td style="width:1.0%;"/><td style="width:32.210526%;"/><td style="width:1.0%;"/><td style="width:1.0%;"/><td style="width:10.134503%;"/><td style="width:1.0%;"/><td style="width:1.0%;"/><td style="width:4.432749%;"/><td style="width:1.0%;"/><td style="width:1.0%;"/><td style="width:12.181287%;"/><td style="width:1.0%;"/><td style="width:1.0%;"/><td style="width:1.508772%;"/><td style="width:1.0%;"/><td style="width:1.0%;"/><td style="width:9.695906%;"/><td style="width:1.0%;"/><td style="width:1.0%;"/><td style="width:4.140351%;"/><td style="width:1.0%;"/><td style="width:1.0%;"/><td style="width:9.695906%;"/><td style="width:1.0%;"/></tr><tr><td colspan="3" style="height:21pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="9" style="padding-top:2px;padding-bottom:2px;height:21pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">Three months ended June 30,</span></div></td><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="height:21pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="9" style="padding-top:2px;padding-bottom:2px;height:21pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">Six months ended June 30,</span></div></td><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/></tr><tr><td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="9" style="padding-top:2px;padding-bottom:2px;height:15pt;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-style:italic;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">(in thousands)</span></td><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="9" style="padding-top:2px;padding-bottom:2px;height:15pt;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-style:italic;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">(in thousands)</span></td><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/></tr><tr><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">2018&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">2017&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">2018&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">2017&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Compressors - sales</span></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">4,735&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">2,980&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">6,564&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">8,620&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Flares - sales</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">969&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">562&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">1,491&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">831&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Other (Parts/Rebuilds) - sales</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">679&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">866&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">1,326&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">1,593&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><div style="line-height:100%;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">Service and maintenance </span><sup style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:6.5pt;font-weight:400;line-height:100%;vertical-align:bottom;vertical-align:top;">1</sup></div></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">4,964&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">4,959&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">9,801&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">10,075&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Total revenue from contracts with customers</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">11,347&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">9,367&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">19,182&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">21,119&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Add: non-ASC 606 rental revenue</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">6,857&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">6,851&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">13,740&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">14,001&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Total revenue</span></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">18,204&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">16,218&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">32,922&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">35,120&#160;</span></td></tr></table></div><div style="line-height:120%;text-align:center;"><span><br/></span></div><div style="line-height:120%;text-align:justify;"><sup style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:6.5pt;line-height:120%;vertical-align:bottom;vertical-align:top;">1</sup><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">Service and maintenance includes revenue from servicing our own rental equipment contracted to customers and third party equipment.</span></div><div style="line-height:120%;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-style:italic;font-weight:700;line-height:120%;vertical-align:bottom;">Contract Balances</span></div><div style="text-indent:108pt;line-height:120%;"><span><br/></span></div><div style="text-indent:36pt;line-height:120%;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">As of June 30, 2018 and December 31, 2017, we had the following receivables and deferred income from contracts with customers:&#160;</span></div><div style="text-indent:18pt;line-height:120%;"><span><br/></span></div><div style="line-height:120%;text-align:center;"><span><br/></span></div><div style="text-align:center;"><table style="margin-left:auto;margin-right:auto;border-collapse:collapse;text-align:left;text-indent:0pt;display:inline-table;width:99.561404%;"><tr><td style="width:1.0%;"/><td style="width:62.317181%;"/><td style="width:1.0%;"/><td style="width:1.0%;"/><td style="width:14.593245%;"/><td style="width:1.0%;"/><td style="width:1.0%;"/><td style="width:2.296329%;"/><td style="width:1.0%;"/><td style="width:1.0%;"/><td style="width:14.593245%;"/><td style="width:1.0%;"/></tr><tr><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">June 30, 2018</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">December 31, 2017</span></td></tr><tr><td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="9" style="padding-top:2px;padding-bottom:2px;height:15pt;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-style:italic;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">(in thousands)</span></td><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Accounts Receivable</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;padding-right:1pt;"/></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#ffffff;text-align:left;vertical-align:bottom;padding-left:18pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Accounts receivable - contracts with customers</span></td><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">7,001&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">5,454&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:18pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Accounts receivable - non-ASC 606</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">2,817&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">3,649&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#ffffff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Total Accounts Receivable</span></td><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">9,818&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"/><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">9,103&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Less:Allowance for doubtful accounts</span></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">(443)</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">(569)</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#ffffff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Total Accounts Receivable, net</span></td><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">9,375&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"/><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">8,534&#160;</span></td></tr><tr><td colspan="3" style="height:15pt;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="height:15pt;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:3pt double #000000;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="height:15pt;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:3pt double #000000;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="height:15pt;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:3pt double #000000;padding-left:1pt;padding-right:1pt;"/></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#ffffff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Deferred income</span></td><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-bottom:3pt double #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-bottom:3pt double #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">487&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-bottom:3pt double #000000;padding-left:1pt;padding-right:1pt;"/><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-bottom:3pt double #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-bottom:3pt double #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">185&#160;</span></td></tr></table></div><div style="line-height:120%;text-align:center;"><span><br/></span></div><div style="line-height:120%;"><span><br/></span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">The Company did not&#160;recognize any revenue for the period ended June 30, 2018 that were included in deferred income at the beginning of 2018. For the period ended December 31, 2017, the Company recognized revenue of $1.9 million from amounts related to sales that were included in deferred income at the beginning of 2017.</span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span><br/></span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">The increases (decreases) of accounts receivable and deferred income were primarily due to normal timing differences between our performance and the customers&#8217; payments.</span></div><div style="line-height:120%;text-align:justify;"><span><br/></span></div><div style="line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-style:italic;font-weight:700;line-height:120%;vertical-align:bottom;">Transaction Price Allocated to the Remaining Performance Obligations</span></div><div style="text-indent:72pt;line-height:120%;text-align:justify;"><span><br/></span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">The following table includes estimated revenue expected to be recognized in the future related to performance obligations that are unsatisfied (or partially unsatisfied) at the end of the reporting period:</span></div><div style="line-height:120%;"><span><br/></span></div><div style="line-height:120%;text-align:center;"><span><br/></span></div><div style="text-align:center;"><table style="margin-left:auto;margin-right:auto;border-collapse:collapse;text-align:left;text-indent:0pt;display:inline-table;width:99.415205%;"><tr><td style="width:1.0%;"/><td style="width:37.117647%;"/><td style="width:1.0%;"/><td style="width:1.0%;"/><td style="width:8.147059%;"/><td style="width:1.0%;"/><td style="width:1.0%;"/><td style="width:8.147059%;"/><td style="width:1.0%;"/><td style="width:1.0%;"/><td style="width:8.147059%;"/><td style="width:1.0%;"/><td style="width:1.0%;"/><td style="width:8.147059%;"/><td style="width:1.0%;"/><td style="width:1.0%;"/><td style="width:8.147059%;"/><td style="width:1.0%;"/><td style="width:1.0%;"/><td style="width:8.147059%;"/><td style="width:1.0%;"/></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-style:italic;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">(in thousands)&#160;</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">2019</span><sup style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:6.5pt;font-weight:400;line-height:100%;vertical-align:bottom;vertical-align:top;">(1)</sup></div></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">2020&#160;</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">2021&#160;</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">2022&#160;</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">2023&#160;</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Total&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Service and Maintenance</span></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">750&#160;</span></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">1,173&#160;</span></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">1,085&#160;</span></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">1,085&#160;</span></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">145&#160;</span></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">4,238&#160;</span></td></tr></table></div><div style="line-height:120%;text-align:center;"><span><br/></span></div><div style="line-height:120%;"><span><br/></span></div><div style="text-indent:36pt;line-height:120%;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">(1) For the six months starting July 2019.&#160;</span></div><div style="text-indent:36pt;line-height:120%;"><span><br/></span></div><div style="text-indent:36pt;line-height:120%;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">All consideration from contracts with customers is included in the amounts presented above. &#160;</span></div><div style="text-indent:36pt;line-height:120%;"><span><br/></span></div><div style="text-indent:36pt;line-height:120%;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">The Company applies the practical expedient in ASC 606-10-50-14 and does not disclose information about remaining performance obligations that have original expected durations of one year or less. &#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;</span></div><div style="text-indent:36pt;line-height:120%;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">The Company applies the transition practical expedient in ASC 606-10-65-1(f)(3) and does not disclose the amount of the transaction price allocated to the remaining performance obligations and an explanation of when the Company expects to recognize that amount as revenue for 2018.&#160;&#160;</span></div><div style="line-height:120%;"><span><br/></span></div><div style="line-height:120%;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-style:italic;font-weight:700;line-height:120%;vertical-align:bottom;">Contract Costs</span><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">&#160;</span></div><div style="text-indent:90pt;line-height:120%;text-align:justify;"><span><br/></span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">The Company applies the practical expedient in ASC 340-40-25-4 and recognizes the incremental costs of obtaining contracts as an expense when incurred if the amortization period of the assets that the Company otherwise would have recognized is one year or less. These costs are included in selling, general and administrative expense on our consolidated income statement. </span></div><div style="line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-style:italic;font-weight:700;line-height:120%;vertical-align:bottom;">Fair Value of Financial Instruments</span></div><div style="line-height:120%;"><span><br/></span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">Our financial instruments consist principally of cash and cash equivalents, accounts receivable, accounts payable, deferred compensation plan (cash portion) and our line of credit.  Pursuant to ASC 820 (Accounting Standards Codification), the fair value of our cash equivalents is determined based on &#8220;Level 1&#8221; inputs, which consist of quoted prices in active markets for identical assets.  We believe that the recorded values of all of our other financial instruments approximate their fair values because of their nature and relatively short maturity dates or durations.</span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span><br/></span></div><div style="line-height:174%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-style:italic;font-weight:700;line-height:174%;vertical-align:bottom;">Income Taxes</span></div><div style="line-height:174%;text-align:justify;"><span><br/></span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">Deferred tax assets and liabilities are recognized for the future tax consequences attributable to temporary differences between the financial statement carrying amounts of assets and liabilities and their respective tax bases, and operating losses and tax credit carry-forwards.&#160;&#160;Deferred tax assets and liabilities are measured using enacted tax rates expected to apply to taxable income in the years in which those temporary differences are expected to be recovered or settled.</span></div><div style="text-indent:45pt;line-height:120%;text-align:justify;"><span><br/></span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">ASC Topic 740 prescribes a recognition threshold and measurement attribute for the financial statement recognition and measurement of a tax position taken or expected to be taken in a tax return. In order to record any financial statement benefit, we are required to determine, based on technical merits of the position, whether it is more likely than not (a likelihood of more than 50 percent) that a tax position will be sustained upon examination, including resolution of any related appeals or litigation processes. If that step is satisfied, then we must measure the tax position to determine the amount of benefit to recognize in the financial statements. The tax position is measured at the largest amount of the benefit that is greater than 50 percent likely of being realized upon ultimate settlement. We have no uncertain tax positions as of June 30, 2018. </span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span><br/></span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">Our policy regarding income tax interest and penalties is to expense those items as other expense.</span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span><br/></span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">On December&#160;22, 2017, the U.S. government enacted comprehensive tax legislation commonly referred to as the Tax Cuts and Jobs Act (the &#8220;2017 Tax Act&#8221;), which makes broad and complex changes to the U.S. tax code. Certain income tax effects of the 2017 Tax Act are reflected in the Company&#8217;s financial results in accordance with Staff Accounting Bulletin No.&#160;118 (&#8220;SAB 118&#8221;), which provides SEC staff guidance regarding the application of Accounting Standards Codification Topic 740 Income Taxes (&#8220;ASC 740&#8221;). As we do not have all of the necessary information to analyze all income tax effects of the 2017 Tax Act, we will continue to evaluate tax reform and adjust the provisional amounts as additional information is obtained. We expect to complete our detailed analysis no later than the fourth quarter of 2018. </span></div><div style="line-height:120%;"><span><br/></span></div><div style="line-height:120%;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-style:italic;font-weight:700;line-height:120%;vertical-align:bottom;">Recently Issued Accounting Pronouncements</span></div><div style="line-height:120%;"><span><br/></span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;margin-bottom:12pt;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">On February 25, 2016, the Financial Accounting&#160;Standards Board ("FASB") issued ASU 2016-02, Leases (Topic 842). Under the new guidance, a lessee will be required to recognize assets and liabilities for finance and operating leases with lease terms of more than 12 months. Additionally, this ASU will require disclosures to help investors and other financial statement users better&#160;understand the amount, timing, and uncertainty of cash flows arising from leases, including qualitative and quantitative&#160;requirements. The ASU initially required a modified retrospective transition method where a company applies the new leases standard at the beginning of the earliest period&#160;presented in the&#160;financial&#160;statements, but in July 2018 the FASB issued ASU 2018-11.&#160;ASU 2018-11 added an optional transition method where a company applies the new leases standard at the adoption date and recognizes a cumulative effect adjustment to the opening balance of retained earnings. For public business entities, the amendments are effective for fiscal years beginning after December 15, 2018, including interim periods within those fiscal years, with early adoption permitted. The new standard will be effective during our first quarter ending March 31, 2019. We are in the process of reviewing our leases and evaluating what impact the new standard will have on our accounting policies, internal controls and condensed consolidated balance sheet. We expect there&#160;will be an increase in assets and liabilities on the condensed&#160;consolidated balance sheets at adoption due to recording the right-of-use assets and corresponding&#160;lease liabilities, but do not believe this to be a significant&#160;impact  at this time. We also expect an&#160;increase in our disclosures revolving around leases. We anticipate our review&#160;to be completed in the latter half of 2018.</span></div><div style="line-height:120%;text-align:justify;margin-bottom:10pt;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-style:italic;font-weight:700;line-height:120%;vertical-align:bottom;">Reclassification of Prior Period Balances</span></div><div style="text-indent:36pt;line-height:120%;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">Certain reclassifications have been made to prior period amounts to conform to the current-year presentation. These</span></div><div style="line-height:120%;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">reclassifications had no effect on the reported results of operations.</span></div><span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AccountingPoliciesAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AccountingPoliciesAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_BasisOfPresentationAndSignificantAccountingPoliciesTextBlock">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The entire disclosure for the basis of presentation and significant accounting policies concepts. Basis of presentation describes the underlying basis used to prepare the financial statements (for example, US Generally Accepted Accounting Principles, Other Comprehensive Basis of Accounting, IFRS).  Accounting policies describe all significant accounting policies of the reporting entity.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -URI http://asc.fasb.org/topic&amp;trid=2122369<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_BasisOfPresentationAndSignificantAccountingPoliciesTextBlock</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>nonnum:textBlockItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
</div>
</body>
</html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>19
<FILENAME>R7.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
							function toggleNextSibling (e) {
							if (e.nextSibling.style.display=='none') {
							e.nextSibling.style.display='block';
							} else { e.nextSibling.style.display='none'; }
							}</script>
</head>
<body>
<span style="display: none;">v3.10.0.1</span><table class="report" border="0" cellspacing="2" id="idp6791221952">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Stock-Based Compensation<br></strong></div></th>
<th class="th" colspan="1">6 Months Ended</th>
</tr>
<tr><th class="th"><div>Jun. 30, 2018</div></th></tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract', window );"><strong>Disclosure of Compensation Related Costs, Share-based Payments [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock', window );">Stock-Based Compensation</a></td>
<td class="text">Stock-Based Compensation<div style="text-indent:36pt;line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-style:italic;line-height:120%;vertical-align:bottom;">Stock Options:</span></div><div style="line-height:120%;"><span><br/></span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">A summary of option activity under our 1998 Stock Option Plan  as  of December 31, 2017, and changes during the six months ended&#160;June 30, 2018 is presented below.</span></div><div style="line-height:120%;"><span><br/></span></div><div style="line-height:120%;"><span><br/></span></div><div><table style="margin-left:auto;margin-right:auto;border-collapse:collapse;text-align:left;text-indent:0pt;display:inline-table;width:99.269006%;"><tr><td style="width:1.0%;"/><td style="width:45.128130%;"/><td style="width:1.0%;"/><td style="width:1.0%;"/><td style="width:10.665685%;"/><td style="width:1.0%;"/><td style="width:0.1%;"/><td style="width:0.536377%;"/><td style="width:0.1%;"/><td style="width:1.0%;"/><td style="width:10.665685%;"/><td style="width:1.0%;"/><td style="width:0.1%;"/><td style="width:0.536377%;"/><td style="width:0.1%;"/><td style="width:1.0%;"/><td style="width:10.665685%;"/><td style="width:1.0%;"/><td style="width:0.1%;"/><td style="width:0.536377%;"/><td style="width:0.1%;"/><td style="width:1.0%;"/><td style="width:10.665685%;"/><td style="width:1.0%;"/></tr><tr><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">Number</span></div><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">&#160;of</span></div><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">Stock Options</span></div></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">Weighted Average</span></div><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">Exercise</span></div><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">&#160;Price</span></div></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">Weighted&#160;</span></div><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">Average&#160;</span></div><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">Remaining&#160;</span></div><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">Contractual Life (years)</span></div></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">Aggregate&#160;</span></div><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">Intrinsic&#160;</span></div><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">Value</span></div><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-style:italic;font-weight:400;line-height:100%;vertical-align:bottom;">(in thousands)</span></div></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:12pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Outstanding, December 31, 2017</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">327,270&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">20.21&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">4.28</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">2,255&#160;</span></td></tr><tr><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:12pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Exercised&#160;</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">(8,500)</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">18.51&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">&#8212;&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">86&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:12pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Canceled/Forfeited&#160;</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">(500)</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">28.15&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">&#8212;&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">&#8212;&#160;</span></td></tr><tr><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:12pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Outstanding, June 30, 2018</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">318,270&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">20.24&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">3.82</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">1,579&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:12pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Exercisable, June 30, 2018</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">296,738&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">19.67&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">3.47</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">1,579&#160;</span></td></tr></table></div><div style="line-height:120%;"><span><br/></span></div><div style="line-height:120%;text-align:justify;"><span><br/></span></div><div style="line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">The following table summarizes information about our stock options outstanding at June 30, 2018:</span></div><div style="line-height:120%;text-align:justify;"><span><br/></span></div><div style="line-height:120%;"><span><br/></span></div><div><table style="margin-left:auto;margin-right:auto;border-collapse:collapse;text-align:left;text-indent:0pt;display:inline-table;width:99.415205%;"><tr><td style="width:1.0%;"/><td style="width:38.588235%;"/><td style="width:1.0%;"/><td style="width:1.0%;"/><td style="width:9.323529%;"/><td style="width:1.0%;"/><td style="width:0.1%;"/><td style="width:0.535294%;"/><td style="width:0.1%;"/><td style="width:1.0%;"/><td style="width:9.176471%;"/><td style="width:1.0%;"/><td style="width:0.1%;"/><td style="width:0.535294%;"/><td style="width:0.1%;"/><td style="width:1.0%;"/><td style="width:9.323529%;"/><td style="width:1.0%;"/><td style="width:0.1%;"/><td style="width:0.535294%;"/><td style="width:0.1%;"/><td style="width:1.0%;"/><td style="width:9.323529%;"/><td style="width:1.0%;"/><td style="width:0.1%;"/><td style="width:0.535294%;"/><td style="width:0.1%;"/><td style="width:1.0%;"/><td style="width:9.323529%;"/><td style="width:1.0%;"/></tr><tr><td colspan="3" rowspan="2" style="padding-top:2px;padding-bottom:2px;height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><div style="line-height:100%;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">&#160;</span></div><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">Range of Exercise Prices</span></div></td><td colspan="15" style="padding-top:2px;padding-bottom:2px;height:15pt;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Options Outstanding&#160;</span></td><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="9" style="padding-top:2px;padding-bottom:2px;height:15pt;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Options Exercisable&#160;</span></td><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/></tr><tr><td colspan="3" style="display:none;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Shares&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;padding-right:1pt;"><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">Weighted</span></div><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">Average</span></div><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">Remaining</span></div><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">Contractual</span></div><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">Life (years)</span></div></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;padding-right:1pt;"><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">Weighted</span></div><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">Average</span></div><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">Exercise</span></div><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">Price</span></div></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Shares&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;padding-right:1pt;"><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">Weighted</span></div><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">Average</span></div><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">Exercise</span></div><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">Price</span></div></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:6pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$0.01-15.70</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">65,852&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">1.06</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">9.82&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">65,852&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">9.82&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:6pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$15.71-17.81</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">67,750&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">1.37</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">17.53&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">67,750&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">17.53&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:6pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$17.82-20.48</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">54,250&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">2.97</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">19.39&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">54,250&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">19.39&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:6pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$20.49-33.36</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">130,418&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">6.83</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">27.26&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">108,886&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">27.09&#160;</span></td></tr><tr><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">318,270&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">3.82</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">20.24&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">296,738&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">19.67&#160;</span></td></tr></table></div><div style="line-height:120%;"><span><br/></span></div><div style="line-height:120%;text-align:justify;"><span><br/></span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">The summary of the status of our unvested stock options as of December 31, 2017 and changes during the six months ended&#160;June 30, 2018 is presented below.</span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span><br/></span></div><div style="line-height:120%;"><span><br/></span></div><div><table style="margin-left:auto;margin-right:auto;border-collapse:collapse;text-align:left;text-indent:0pt;display:inline-table;width:99.561404%;"><tr><td style="width:1.0%;"/><td style="width:72.008811%;"/><td style="width:1.0%;"/><td style="width:1.0%;"/><td style="width:10.628488%;"/><td style="width:1.0%;"/><td style="width:0.1%;"/><td style="width:0.534214%;"/><td style="width:0.1%;"/><td style="width:1.0%;"/><td style="width:10.628488%;"/><td style="width:1.0%;"/></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><div style="line-height:100%;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">&#160;</span></div><div style="line-height:100%;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">&#160;</span></div><div style="line-height:100%;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">&#160;</span></div><div style="line-height:100%;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">Unvested stock options:</span></div></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Shares&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">Weighted Average</span></div><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">Grant Date Fair Value Per Share</span></div></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Unvested at December 31, 2017</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">48,581&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">11.41&#160;</span></td></tr><tr><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Vested</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">(26,549)</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">10.97&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><div style="line-height:100%;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">Canceled/Forfeited</span></div></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">(500)</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">11.93&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Unvested at June 30, 2018</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">21,532&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">11.93&#160;</span></td></tr></table></div><div style="line-height:120%;"><span><br/></span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span><br/></span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">As of June 30, 2018, there was&#160;$192,000&#160;of unrecognized compensation cost related to unvested options.&#160;&#160;Such cost is expected to be recognized over a weighted-average period of&#160;two years.&#160;Total compensation expense for stock options was $97,140 and $207,560&#160;for the six months ended&#160;June 30, 2018 and 2017, respectively. </span></div>Restricted Shares/Units:In accordance with the Company's employment agreement with Stephen Taylor, the Company's Chief Executive Officer, the Compensation Committee reviewed his performance in determining the issuance of restricted common stock.  Based on this review which included consideration of the Company's 2017 performance, Mr. Taylor, was awarded 84,700&#160;restricted shares/units on March 15, 2018, which vest over&#160;<span style="-sec-ix-hidden:id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90ZXh0cmVnaW9uOmYwZTE1OWEwNjBhMDRkMmFiNjRhMWU2OGUyZWI0MDY1XzQzOTgwNDY1MTM1NzM_95a248aa-ce92-4bd0-aa44-6f89e7607b6b">three</span>&#160;years, in equal annual installments, beginning March 15, 2019. On March 15, 2018, the Compensation Committee awarded 20,000 restricted shares/units to each of G. Larry Lawrence, our CFO, and James Hazlett, our Vice President of Technical Services. The restricted shares to Messrs. Lawrence and Hazlett vest over <span style="-sec-ix-hidden:id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90ZXh0cmVnaW9uOmYwZTE1OWEwNjBhMDRkMmFiNjRhMWU2OGUyZWI0MDY1XzQzOTgwNDY1MTM1OTE_2c8384b9-6fc6-4db0-b133-870c768af47b">three</span> years, in equal annual installments, beginning March 15, 2019.  We also awarded and issued 16,288 shares of restricted common stock to the independent members of our Board of Directors as partial payment for 2018 services as directors.  The restricted stock issued to our directors vests over one year, in quarterly installments, beginning March 31, 2019. Total compensation expense related to restricted awards was $978,432 and $2,209,455 for the six months ended&#160;June 30, 2018 and 2017, respectively.  As of June 30, 2018, there was a total of $3,864,982 of unrecognized compensation expense related to these shares/units which is expected to be recognized over the next&#160;<span style="-sec-ix-hidden:id3VybDovL2RvY3MudjEvZG9jOjQ5MDUyMzhlMmIwMDRhZTlhNzk4Nzc2ZDMxMzc0MjRiL3NlYzo0OTA1MjM4ZTJiMDA0YWU5YTc5ODc3NmQzMTM3NDI0Yl8xNjcvZnJhZzpmMGUxNTlhMDYwYTA0ZDJhYjY0YTFlNjhlMmViNDA2NS90ZXh0cmVnaW9uOmYwZTE1OWEwNjBhMDRkMmFiNjRhMWU2OGUyZWI0MDY1XzQzOTgwNDY1MTM2MDc_082da9f5-91cd-4885-b93e-02c00fab0307">three</span> years.<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The entire disclosure for compensation-related costs for equity-based compensation, which may include disclosure of policies, compensation plan details, allocation of equity compensation, incentive distributions, equity-based arrangements to obtain goods and services, deferred compensation arrangements, employee stock ownership plan details and employee stock purchase plan details.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -URI http://asc.fasb.org/topic&amp;trid=2228938<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 505<br> -SubTopic 50<br> -URI http://asc.fasb.org/subtopic&amp;trid=2208855<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>nonnum:textBlockItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
</div>
</body>
</html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>20
<FILENAME>R8.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
							function toggleNextSibling (e) {
							if (e.nextSibling.style.display=='none') {
							e.nextSibling.style.display='block';
							} else { e.nextSibling.style.display='none'; }
							}</script>
</head>
<body>
<span style="display: none;">v3.10.0.1</span><table class="report" border="0" cellspacing="2" id="idp6741433968">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Inventory<br></strong></div></th>
<th class="th" colspan="1">6 Months Ended</th>
</tr>
<tr><th class="th"><div>Jun. 30, 2018</div></th></tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_InventoryDisclosureAbstract', window );"><strong>Inventory Disclosure [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_InventoryDisclosureTextBlock', window );">Inventory</a></td>
<td class="text">Inventory<div style="text-indent:36pt;line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">Our inventory, net of allowance for obsolescence of $20,785 and $15,000 at June 30, 2018&#160;and December 31, 2017, respectively, consisted of the following amounts:</span></div><div style="line-height:120%;"><span><br/></span></div><div><table style="margin-left:auto;margin-right:auto;border-collapse:collapse;text-align:left;text-indent:0pt;display:inline-table;width:99.707602%;"><tr><td style="width:1.0%;"/><td style="width:61.929619%;"/><td style="width:1.0%;"/><td style="width:1.0%;"/><td style="width:16.181818%;"/><td style="width:1.0%;"/><td style="width:0.1%;"/><td style="width:0.533138%;"/><td style="width:0.1%;"/><td style="width:1.0%;"/><td style="width:15.155425%;"/><td style="width:1.0%;"/></tr><tr><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">June 30, 2018</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">December 31, 2017</span></td></tr><tr><td colspan="3" style="height:13pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="9" style="padding-top:2px;padding-bottom:2px;height:13pt;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-style:italic;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">(in thousands)&#160;</span></td><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Raw materials - current</span></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">19,565&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">22,813&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Raw materials - long term</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">3,467&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">2,829&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Finished Goods</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">1,022&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">1,022&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Work in process&#160;</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">2,455&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">2,389&#160;</span></td></tr><tr><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">26,509&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">29,053&#160;</span></td></tr></table></div><div style="line-height:120%;"><span><br/></span></div><div style="line-height:120%;"><span><br/></span></div><div style="line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">Our long-term inventory consists of raw materials that remain viable but that the Company does not expect to sell within the year.</span></div><div style="line-height:120%;text-align:justify;"><span><br/></span></div><div style="line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">During the six months ended June 30, 2018 and 2017, there were&#160;no&#160;write-offs of obsolete inventory against the allowance for obsolescence.</span></div><span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_InventoryDisclosureAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_InventoryDisclosureAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_InventoryDisclosureTextBlock">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The entire disclosure for inventory. Includes, but is not limited to, the basis of stating inventory, the method of determining inventory cost, the classes of inventory, and the nature of the cost elements included in inventory.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 330<br> -URI http://asc.fasb.org/topic&amp;trid=2126998<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_InventoryDisclosureTextBlock</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>nonnum:textBlockItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
</div>
</body>
</html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>21
<FILENAME>R9.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
							function toggleNextSibling (e) {
							if (e.nextSibling.style.display=='none') {
							e.nextSibling.style.display='block';
							} else { e.nextSibling.style.display='none'; }
							}</script>
</head>
<body>
<span style="display: none;">v3.10.0.1</span><table class="report" border="0" cellspacing="2" id="idp6791256080">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Deferred Compensation Plans<br></strong></div></th>
<th class="th" colspan="1">6 Months Ended</th>
</tr>
<tr><th class="th"><div>Jun. 30, 2018</div></th></tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PostemploymentBenefitsAbstract', window );"><strong>Postemployment Benefits [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CompensationAndEmployeeBenefitPlansTextBlock', window );">Deferred Compensation Plans</a></td>
<td class="text">Deferred Compensation Plans<div style="text-indent:36pt;line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">The Company has a non-qualified deferred compensation plan for executive officers, directors and certain eligible employees. The assets of the deferred compensation plan are held in a rabbi trust and are subject to additional risk of loss in the event of bankruptcy or insolvency of the Company. The plan allows for deferral of up to 90% of a participant&#8217;s base salary, bonus, commissions, director fees and restricted stock unit awards. A Company owned life insurance policy held in a rabbi trust is utilized as a source of funding for the plan. The cash surrender value of the life insurance policy is $1.0&#160;million and $754,000 as of June 30, 2018 and 2017, respectively. For the six months ending June 30, 2018, we reported in other (expense) income in the consolidated income statement a loss related to the policy of approximately $55,000 and for the same period in 2017, a gain of approximately $17,000.</span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span><br/></span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">For deferrals of base salary, bonus, commissions and director fees, settlement payments are made to participants in cash, either in a lump sum or in periodic installments. The obligation to pay the deferred compensation and the deferred director fees is adjusted to reflect the positive or negative performance of investment measurement options selected by each participant and was $1.1 million&#160;and $713,000 as of June 30, 2018 and 2017, respectively. The deferred obligation is included in other long-term liabilities in the condensed consolidated balance sheet. </span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span><br/></span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">For deferrals of restricted stock units, the plan does not allow for diversification, therefore, distributions are paid in shares of common stock and the obligation is carried at grant value. As of June 30, 2018,&#160;103,691 unvested restricted stock </span></div>units have been deferred of which&#160;32,936 units have been released and issued to the deferred compensation plan with a&#160;value of $837,589.<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CompensationAndEmployeeBenefitPlansTextBlock">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The entire disclosure for an entity's employee compensation and benefit plans, including, but not limited to, postemployment and postretirement benefit plans, defined benefit pension plans, defined contribution plans, non-qualified and supplemental benefit plans, deferred compensation, share-based compensation, life insurance, severance, health care, unemployment and other benefit plans.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -URI http://asc.fasb.org/topic&amp;trid=2235017<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 712<br> -URI http://asc.fasb.org/topic&amp;trid=2197446<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 710<br> -URI http://asc.fasb.org/topic&amp;trid=2127225<br><br>Reference 4: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -URI http://asc.fasb.org/topic&amp;trid=2228938<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CompensationAndEmployeeBenefitPlansTextBlock</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>nonnum:textBlockItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PostemploymentBenefitsAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PostemploymentBenefitsAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
</div>
</body>
</html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>22
<FILENAME>R10.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
							function toggleNextSibling (e) {
							if (e.nextSibling.style.display=='none') {
							e.nextSibling.style.display='block';
							} else { e.nextSibling.style.display='none'; }
							}</script>
</head>
<body>
<span style="display: none;">v3.10.0.1</span><table class="report" border="0" cellspacing="2" id="idp6741433968">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Credit Facility<br></strong></div></th>
<th class="th" colspan="1">6 Months Ended</th>
</tr>
<tr><th class="th"><div>Jun. 30, 2018</div></th></tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtDisclosureAbstract', window );"><strong>Debt Disclosure [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtDisclosureTextBlock', window );">Credit Facility</a></td>
<td class="text">Credit Facility<div style="text-indent:36pt;line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">We have a senior secured revolving credit agreement the ("Amended Credit Agreement") with JP Morgan Chase Bank, N.A (the "Lender") with an aggregate commitment of&#160;$30 million, subject to collateral availability. We also have a right to request from the Lender, on an uncommitted basis, an increase of up to $20 million on the aggregate commitment (which could potentially increase the commitment amount to&#160;$50 million).  On August 31, 2017, we amended and renewed the Amended Credit Agreement, which was set to expire on December 31, 2017. The Credit Agreement Amendment extended the maturity date to December 31, 2020. No other material revisions were made to the credit facility.</span></div><div style="text-indent:45pt;line-height:120%;text-align:justify;"><span><br/></span></div><div style="line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-style:italic;line-height:120%;vertical-align:bottom;">Borrowing Base</span><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">. At any time before the maturity of the Amended Credit Agreement, we may draw, repay and re-borrow amounts available under the borrowing base up to the maximum aggregate availability discussed above. Generally, the borrowing base equals the sum of (a)&#160;80%&#160;of our eligible accounts receivable plus (b) &#160;50%&#160;of the book value of our eligible general inventory (not to exceed 50%&#160;of the commitment amount at the time) plus (c) 75%&#160;of the book value of our eligible equipment inventory.&#160;The Lender may adjust the borrowing base components if material deviations in the collateral are discovered in future audits of the collateral. We had&#160;$29.5 million borrowing base availability at June 30, 2018 under the terms of our Amended Credit Agreement.</span></div><div style="line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">&#160;</span></div><div style="line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-style:italic;line-height:120%;vertical-align:bottom;">Interest and Fees</span><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">.&#160;&#160;Under the terms of the Amended Credit Agreement, we have the option of selecting the applicable variable rate for each revolving loan, or portion thereof, of either (a)&#160;LIBOR multiplied by the Statutory Reserve Rate (as defined in the Amended Credit Agreement), with respect to this rate, for Eurocurrency funding, plus the Applicable Margin (&#8220;LIBOR-based&#8221;), or (b)&#160;CB Floating Rate, which is the Lender's Prime Rate less the Applicable Margin; provided, however, that no more than three LIBOR-based borrowings under the agreement may be outstanding at any one time.&#160;For purposes of the LIBOR-based interest rate, the Applicable Margin is 1.50%. For purposes of the CB Floating Rate, the Applicable Margin is 1.50%. For the six month period ended June 30, 2018, our weighted average interest rate was 3.37%.</span></div><div style="line-height:120%;text-align:justify;"><span><br/></span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">Accrued interest is payable monthly on outstanding principal amounts, provided that accrued interest on LIBOR-based loans is payable at the end of each interest period, but in no event less frequently than quarterly. In addition, fees and expenses are payable in connection with our requests for letters of credit (generally equal to the Applicable Margin for LIBOR-related borrowings multiplied by the face amount of the requested letter of credit) and administrative and legal costs.</span></div><div style="line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">&#160;</span></div><div style="line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-style:italic;line-height:120%;vertical-align:bottom;">Maturity</span><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">. The maturity date of the Amended Credit Agreement is December&#160;31, 2020, at which time all amounts borrowed under the agreement will be due and outstanding letters of credit must be cash collateralized. The agreement may be terminated early upon our request or the occurrence of an event of default.</span></div><div style="line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">&#160;</span></div><div style="line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-style:italic;line-height:120%;vertical-align:bottom;">Security</span><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">. The obligations under the Amended Credit Agreement are secured by a first priority lien on all of our inventory and accounts and leases receivables, along with a first priority lien on a variable number of our leased compressor equipment the book value of which must be maintained at a minimum of 2.00&#160;to 1.00&#160;commitment coverage ratio (such ratio being equal to (i) the amount of the borrowing base as of such date to (ii) the amount of the commitment as of such date.)</span></div><div style="line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">&#160;</span></div><div style="line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-style:italic;line-height:120%;vertical-align:bottom;">Covenants.</span><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"> The Amended Credit Agreement contains customary representations and warranties, as well as covenants which, among other things, limit our ability to incur additional indebtedness and liens; enter into transactions with affiliates; make acquisitions in excess of certain amounts; pay dividends; redeem or repurchase capital stock or senior notes; make investments or loans; make negative pledges; consolidate, merge or effect asset sales; or change the nature of our business. In addition, we also have certain financial covenants that require us to maintain on a consolidated basis a leverage ratio less than or equal to&#160;2.50&#160;to 1.00 as of the last day of each fiscal quarter.</span></div><div style="line-height:120%;text-align:justify;"><span><br/></span></div><div style="line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-style:italic;line-height:120%;vertical-align:bottom;">Events of Default and Acceleration.</span><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"> The Amended Credit Agreement contains customary events of default for credit facilities of this size and type, and includes, without limitation, payment defaults; defaults in performance of covenants or other agreements contained in the loan documents; inaccuracies in representations and warranties; certain defaults, termination events or similar events; certain defaults with respect to any other Company indebtedness in excess of $50,000; certain bankruptcy or insolvency events; the rendering of certain judgments in excess of $150,000; certain ERISA events; certain change in control events and the defectiveness of any liens under the secured revolving credit facility.  Obligations under the Amended Credit Agreement may be accelerated upon the occurrence of an event of default.</span></div><div style="line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">&#160;</span></div>As of June 30, 2018, we were in compliance with all covenants in our Amended Credit Agreement.&#160;&#160;A default under our Credit Agreement could trigger the acceleration of our bank debt so that it is immediately due and payable.&#160;&#160;Such default would likely limit our ability to access other credit. At June 30, 2018 and December 31, 2017 our outstanding balance on the line&#160;of credit was $417,000.<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtDisclosureAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtDisclosureAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtDisclosureTextBlock">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The entire disclosure for information about short-term and long-term debt arrangements, which includes amounts of borrowings under each line of credit, note payable, commercial paper issue, bonds indenture, debenture issue, own-share lending arrangements and any other contractual agreement to repay funds, and about the underlying arrangements, rationale for a classification as long-term, including repayment terms, interest rates, collateral provided, restrictions on use of assets and activities, whether or not in compliance with debt covenants, and other matters important to users of the financial statements, such as the effects of refinancing and noncompliance with debt covenants.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -URI http://asc.fasb.org/topic&amp;trid=2208564<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtDisclosureTextBlock</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>nonnum:textBlockItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
</div>
</body>
</html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>23
<FILENAME>R11.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
							function toggleNextSibling (e) {
							if (e.nextSibling.style.display=='none') {
							e.nextSibling.style.display='block';
							} else { e.nextSibling.style.display='none'; }
							}</script>
</head>
<body>
<span style="display: none;">v3.10.0.1</span><table class="report" border="0" cellspacing="2" id="idp6791273744">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Earnings per Share<br></strong></div></th>
<th class="th" colspan="1">6 Months Ended</th>
</tr>
<tr><th class="th"><div>Jun. 30, 2018</div></th></tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_EarningsPerShareAbstract', window );"><strong>Earnings Per Share [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_EarningsPerShareTextBlock', window );">Earnings per Share</a></td>
<td class="text">Earnings per Share<div style="text-indent:36pt;line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">The following table reconciles the numerators and denominators of the basic and diluted earnings per share computation&#160;</span><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-style:italic;line-height:120%;vertical-align:bottom;">(in thousands, except per share data)</span><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">:</span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span><br/></span></div><div style="line-height:120%;text-align:center;"><span><br/></span></div><div style="text-align:center;"><table style="margin-left:auto;margin-right:auto;border-collapse:collapse;text-align:left;text-indent:0pt;display:inline-table;width:99.990000%;"><tr><td style="width:1.0%;"/><td style="width:39.081871%;"/><td style="width:1.0%;"/><td style="width:1.0%;"/><td style="width:10.573099%;"/><td style="width:1.0%;"/><td style="width:1.0%;"/><td style="width:1.261988%;"/><td style="width:1.0%;"/><td style="width:1.0%;"/><td style="width:10.719298%;"/><td style="width:1.0%;"/><td style="width:1.0%;"/><td style="width:2.139181%;"/><td style="width:1.0%;"/><td style="width:1.0%;"/><td style="width:12.619883%;"/><td style="width:1.0%;"/><td style="width:0.1%;"/><td style="width:0.384795%;"/><td style="width:0.1%;"/><td style="width:1.0%;"/><td style="width:12.619883%;"/><td style="width:1.0%;"/></tr><tr><td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="9" style="padding-top:2px;padding-bottom:2px;height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">Three months ended</span></div></td><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="9" style="padding-top:2px;padding-bottom:2px;height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">Six months ended</span></div></td><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/></tr><tr><td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="9" style="padding-top:2px;padding-bottom:2px;height:15pt;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">June 30, &#160;</span></td><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="9" style="padding-top:2px;padding-bottom:2px;height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">June 30,</span></div></td><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/></tr><tr><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">2018</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">2017</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">2018</span></div></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">2017</span></div></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Numerator:</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;padding-right:1pt;"/></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:18pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Net income&#160;</span></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">247&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">375&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">472&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">627&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Denominator for basic net income per common share:</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:3pt double #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:3pt double #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:3pt double #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:3pt double #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:18pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Weighted average common shares outstanding&#160;</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">12,963&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">12,831&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">12,941&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">12,818&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Denominator for diluted net income per share:</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:3pt double #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:3pt double #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:3pt double #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:3pt double #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:18pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Weighted average common shares outstanding</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">12,963&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">12,831&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">12,941&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">12,818&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:18pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Dilutive effect of stock options and restricted stock</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">298&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">299&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">274&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">275&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:18pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Diluted weighted average shares</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">13,261&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">13,130&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">13,215&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">13,093&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Earnings per common share:</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:3pt double #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:3pt double #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:3pt double #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:3pt double #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:18pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Basic&#160;</span></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">0.02&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">0.03&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">0.04&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">0.05&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:18pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Diluted&#160;</span></td><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">0.02&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">0.03&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">0.04&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">0.05&#160;</span></td></tr></table></div><div style="line-height:120%;text-align:center;"><span><br/></span></div><div style="line-height:120%;text-align:justify;"><span><br/></span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">In the three and six months ended June 30, 2018, options to purchase&#160;83,417&#160;shares of common stock with exercise prices ranging from $28.15&#160;to $33.36&#160;were not included in the computation of dilutive income per share, due to their antidilutive effect.</span></div>In the three and&#160;six months ended June 30, 2017, options to purchase 83,917 shares of common stock with exercise prices ranging from $28.15 to $33.36 were not included in the computation of dilutive income per share, due to their antidilutive effect.<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_EarningsPerShareAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_EarningsPerShareAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_EarningsPerShareTextBlock">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The entire disclosure for earnings per share.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -URI http://asc.fasb.org/topic&amp;trid=2144383<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_EarningsPerShareTextBlock</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>nonnum:textBlockItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
</div>
</body>
</html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>24
<FILENAME>R12.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
							function toggleNextSibling (e) {
							if (e.nextSibling.style.display=='none') {
							e.nextSibling.style.display='block';
							} else { e.nextSibling.style.display='none'; }
							}</script>
</head>
<body>
<span style="display: none;">v3.10.0.1</span><table class="report" border="0" cellspacing="2" id="idp6783133648">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Segment Information<br></strong></div></th>
<th class="th" colspan="1">6 Months Ended</th>
</tr>
<tr><th class="th"><div>Jun. 30, 2018</div></th></tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SegmentReportingAbstract', window );"><strong>Segment Reporting [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SegmentReportingDisclosureTextBlock', window );">Segment Information</a></td>
<td class="text">Segment Information<div style="line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">&#160;</span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">ASC 280-10-50, &#8220;Operating Segments", defines the characteristics of an operating segment as: a) being engaged in business activity from which it may earn revenue and incur expenses, b) being reviewed by the Company's chief operating decision maker (CODM) for decisions about resources to be allocated and assess its performance and c) having discrete financial information.&#160;&#160;Although we look at our products to analyze the nature of our revenue, other financial information, such as certain costs and expenses, net income and EBITDA are not captured or analyzed by these categories.&#160;&#160;Our CODM does not make resource allocation decisions or access the performance of the business based on these categories, but rather in the aggregate. Based on this, management believes that it operates in&#160;one&#160;business segment.</span></div><div style="line-height:120%;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">&#160; </span></div><div style="text-indent:45pt;line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">In their analysis of product lines as potential operating segments, management also considered ASC 280-10-50-11, &#8220;Aggregation Criteria&#8221;, which allows for the aggregation of operating segments if the segments have similar economic characteristics and if the segments are similar in each of the following areas: </span></div><div style="line-height:120%;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">&#160; </span></div><div style="text-indent:-18pt;padding-left:36pt;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">&#8226;    The nature of the products and services;</span></div><div style="line-height:120%;"><span><br/></span></div><div style="text-indent:-18pt;padding-left:36pt;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">&#8226;    The nature of the production processes; </span></div><div style="text-indent:-18pt;padding-left:36pt;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">&#8226;    The type or class of customer for their products and services; </span></div><div style="line-height:120%;"><span><br/></span></div><div style="text-indent:-18pt;padding-left:36pt;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">&#8226;    The methods used to distribute their products or provide their services; and</span></div><div style="line-height:120%;"><span><br/></span></div><div style="text-indent:-18pt;padding-left:36pt;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">&#8226;    The nature of the regulatory environment, if applicable.</span></div><div style="line-height:120%;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">&#160; </span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">We are engaged in the business of designing and manufacturing compressors and flares. Our compressors and flares are sold and rented to our customers. In addition, we provide service and maintenance on compressors in our fleet and to third parties.  These business activities are similar in all geographic areas.&#160;&#160;Our manufacturing  process is essentially the same for the entire Company and is performed in-house at our facilities in Midland, Texas and Tulsa, Oklahoma.&#160;&#160;Our customers primarily consist of entities in the business of producing natural gas and crude oil.&#160;&#160;The maintenance and service of our products is consistent across the entire Company and is performed via an internal fleet of vehicles.&#160;&#160;The regulatory environment is similar in every jurisdiction in that the most impacting regulations and practices are the result of federal energy policy.&#160;&#160;In addition, the economic characteristics of each customer arrangement are similar in that we maintain policies at the corporate level.</span></div><div style="line-height:120%;text-align:center;"><span><br/></span></div><div style="line-height:120%;"><span><br/></span></div><div><table style="margin-left:auto;margin-right:auto;border-collapse:collapse;text-align:left;text-indent:0pt;display:inline-table;width:99.415205%;"><tr><td style="width:1.0%;"/><td style="width:44.617647%;"/><td style="width:1.0%;"/><td style="width:1.0%;"/><td style="width:8.000000%;"/><td style="width:1.0%;"/><td style="width:0.1%;"/><td style="width:0.535294%;"/><td style="width:0.1%;"/><td style="width:1.0%;"/><td style="width:6.970588%;"/><td style="width:1.0%;"/><td style="width:0.1%;"/><td style="width:0.535294%;"/><td style="width:0.1%;"/><td style="width:1.0%;"/><td style="width:9.470588%;"/><td style="width:1.0%;"/><td style="width:0.1%;"/><td style="width:0.535294%;"/><td style="width:0.1%;"/><td style="width:1.0%;"/><td style="width:8.000000%;"/><td style="width:1.0%;"/><td style="width:0.1%;"/><td style="width:0.535294%;"/><td style="width:0.1%;"/><td style="width:1.0%;"/><td style="width:8.000000%;"/><td style="width:1.0%;"/></tr><tr><td colspan="30" style="padding-top:2px;padding-bottom:2px;height:14pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:700;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">For the three months ended June 30, 2018 (in thousands):&#160;</span></td><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/></tr><tr><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Rental&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Sales&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Service &amp; Maintenance&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Corporate&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Total&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Revenue&#160;</span></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">11,427&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">6,383&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">394&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">&#8212;&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">18,204&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Operating costs and corporate expenses</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">5,195&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">4,924&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">101&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">7,758&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">17,978&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><div style="line-height:100%;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">Total other income, net</span></div></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">&#8212;&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">&#8212;&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">&#8212;&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">75&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">75&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Income before provision for&#160;income taxes&#160;</span></td><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">6,232&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">1,459&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">293&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">(7,683)</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">301&#160;</span></td></tr></table></div><div style="line-height:120%;"><span><br/></span></div><div style="line-height:120%;"><span><br/></span></div><div style="line-height:120%;"><span><br/></span></div><div><table style="margin-left:auto;margin-right:auto;border-collapse:collapse;text-align:left;text-indent:0pt;display:inline-table;width:99.269006%;"><tr><td style="width:1.0%;"/><td style="width:44.833579%;"/><td style="width:1.0%;"/><td style="width:1.0%;"/><td style="width:7.720177%;"/><td style="width:1.0%;"/><td style="width:0.1%;"/><td style="width:0.536377%;"/><td style="width:0.1%;"/><td style="width:1.0%;"/><td style="width:7.572901%;"/><td style="width:1.0%;"/><td style="width:0.1%;"/><td style="width:0.536377%;"/><td style="width:0.1%;"/><td style="width:1.0%;"/><td style="width:10.371134%;"/><td style="width:1.0%;"/><td style="width:0.1%;"/><td style="width:0.536377%;"/><td style="width:0.1%;"/><td style="width:1.0%;"/><td style="width:7.720177%;"/><td style="width:1.0%;"/><td style="width:0.1%;"/><td style="width:0.536377%;"/><td style="width:0.1%;"/><td style="width:1.0%;"/><td style="width:6.836524%;"/><td style="width:1.0%;"/></tr><tr><td colspan="30" style="padding-top:2px;padding-bottom:2px;height:14pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:700;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">For the three months ended June 30, 2017 (in thousands):</span></td><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/></tr><tr><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Rental&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Sales&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Service &amp; Maintenance&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Corporate&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Total&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Revenue</span></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">11,420&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">4,407&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">391&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">&#8212;&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">16,218&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Operating costs and corporate expenses</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">4,255&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">3,745&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">104&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">7,700&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">15,804&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Total other income, net</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">&#8212;&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">&#8212;&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">&#8212;&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">1&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">1&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Income before provision for&#160;&#160;income taxes&#160;</span></td><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">7,165&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">662&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">287&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">(7,699)</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">415&#160;</span></td></tr></table></div><div style="line-height:120%;"><span><br/></span></div><div style="line-height:120%;"><span><br/></span></div><div style="margin-bottom:6pt;"><table style="margin-left:auto;margin-right:auto;border-collapse:collapse;text-align:left;text-indent:0pt;display:inline-table;width:98.538012%;"><tr><td style="width:1.0%;"/><td style="width:44.884273%;"/><td style="width:1.0%;"/><td style="width:1.0%;"/><td style="width:7.643917%;"/><td style="width:1.0%;"/><td style="width:0.1%;"/><td style="width:0.393472%;"/><td style="width:0.1%;"/><td style="width:1.0%;"/><td style="width:7.643917%;"/><td style="width:1.0%;"/><td style="width:0.1%;"/><td style="width:0.393472%;"/><td style="width:0.1%;"/><td style="width:1.0%;"/><td style="width:10.462908%;"/><td style="width:1.0%;"/><td style="width:0.1%;"/><td style="width:0.393472%;"/><td style="width:0.1%;"/><td style="width:1.0%;"/><td style="width:7.940653%;"/><td style="width:1.0%;"/><td style="width:0.1%;"/><td style="width:0.393472%;"/><td style="width:0.1%;"/><td style="width:1.0%;"/><td style="width:7.050445%;"/><td style="width:1.0%;"/></tr><tr><td colspan="30" style="padding-top:2px;padding-bottom:2px;height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:700;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">For the six months ended June 30, 2018 (in thousands):&#160;</span></td><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/></tr><tr><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Rental&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Sales&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Service &amp; Maintenance&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Corporate&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Total&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Revenue&#160;</span></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">22,898&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">9,381&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">643&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">&#8212;&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$32,922&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Operating costs and corporate expenses&#160;</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">9,899&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">7,115&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">166&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">15,166&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">32,346&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Total other income, net&#160;</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">&#8212;&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">&#8212;&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">&#8212;&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">(1)</span></td><td colspan="3" style="background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">(1)</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Income before provision for&#160;income taxes&#160;</span></td><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">12,999&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">2,266&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">477&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">(15,167)</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">575&#160;</span></td></tr></table></div><div style="line-height:120%;"><span><br/></span></div><div style="line-height:120%;"><span><br/></span></div><div style="margin-bottom:6pt;"><table style="margin-left:auto;margin-right:auto;border-collapse:collapse;text-align:left;text-indent:0pt;display:inline-table;width:98.830409%;"><tr><td style="width:1.0%;"/><td style="width:44.745562%;"/><td style="width:1.0%;"/><td style="width:1.0%;"/><td style="width:7.615385%;"/><td style="width:1.0%;"/><td style="width:0.1%;"/><td style="width:0.391716%;"/><td style="width:0.1%;"/><td style="width:1.0%;"/><td style="width:7.615385%;"/><td style="width:1.0%;"/><td style="width:0.1%;"/><td style="width:0.391716%;"/><td style="width:0.1%;"/><td style="width:1.0%;"/><td style="width:10.426036%;"/><td style="width:1.0%;"/><td style="width:0.1%;"/><td style="width:0.391716%;"/><td style="width:0.1%;"/><td style="width:1.0%;"/><td style="width:7.615385%;"/><td style="width:1.0%;"/><td style="width:0.1%;"/><td style="width:0.391716%;"/><td style="width:0.1%;"/><td style="width:1.0%;"/><td style="width:7.615385%;"/><td style="width:1.0%;"/></tr><tr><td colspan="30" style="padding-top:2px;padding-bottom:2px;height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:700;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">For the six months ended June 30, 2017 (in thousands):&#160;</span></td><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/></tr><tr><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Rental&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Sales&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Service &amp; Maintenance&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Corporate&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Total&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Revenue&#160;</span></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">23,342&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">11,044&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">734&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">&#8212;&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$35,120&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Operating costs and corporate expenses&#160;</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">8,923&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">9,168&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">198&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">16,074&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">34,363&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Total other income, net&#160;</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">&#8212;&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">&#8212;&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">&#8212;&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">2&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">2&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Income before provision for&#160;income taxes&#160;</span></td><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">14,419&#160;</span></td><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">&#8212;&#160;</span></td><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">1,876&#160;</span></td><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">&#8212;&#160;</span></td><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">536&#160;</span></td><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">&#8212;&#160;</span></td><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">(16,072)</span></td><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">&#8212;&#160;</span></td><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">759&#160;</span></td></tr></table></div><span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_SegmentReportingAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_SegmentReportingAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_SegmentReportingDisclosureTextBlock">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The entire disclosure for reporting segments including data and tables. Reportable segments include those that meet any of the following quantitative thresholds a) it's reported revenue, including sales to external customers and intersegment sales or transfers is 10 percent or more of the combined revenue, internal and external, of all operating segments b) the absolute amount of its reported profit or loss is 10 percent or more of the greater, in absolute amount of 1) the combined reported profit of all operating segments that did not report a loss or 2) the combined reported loss of all operating segments that did report a loss c) its assets are 10 percent or more of the combined assets of all operating segments.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -URI http://asc.fasb.org/topic&amp;trid=2134510<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_SegmentReportingDisclosureTextBlock</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>nonnum:textBlockItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
</div>
</body>
</html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>25
<FILENAME>R13.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
							function toggleNextSibling (e) {
							if (e.nextSibling.style.display=='none') {
							e.nextSibling.style.display='block';
							} else { e.nextSibling.style.display='none'; }
							}</script>
</head>
<body>
<span style="display: none;">v3.10.0.1</span><table class="report" border="0" cellspacing="2" id="idp6630112304">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Commitments and Contingencies<br></strong></div></th>
<th class="th" colspan="1">6 Months Ended</th>
</tr>
<tr><th class="th"><div>Jun. 30, 2018</div></th></tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CommitmentsAndContingenciesDisclosureAbstract', window );"><strong>Commitments and Contingencies Disclosure [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LegalMattersAndContingenciesTextBlock', window );">Commitments and Contingencies</a></td>
<td class="text">Commitments and Contingencies<div style="text-indent:36pt;line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">From time to time, we are a party to various legal proceedings in the ordinary course of our business.&#160;&#160;While management is unable to predict the ultimate outcome of these actions, it believes that any ultimate liability arising from these actions will not have a material adverse effect on our financial position, results of operations or cash flow.&#160; We are not currently a party to any material legal proceedings, and we are not aware of any threatened material litigation. </span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span><br/></span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">The Company also has a contractual obligation related to the construction of a new corporate office of approximately&#160;$8.9 million, financed by cash on hand. Construction of a new office began in late 2017 and is expected to be completed in early 2019.</span></div><span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CommitmentsAndContingenciesDisclosureAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CommitmentsAndContingenciesDisclosureAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LegalMattersAndContingenciesTextBlock">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The entire disclosure for legal proceedings, legal contingencies, litigation, regulatory and environmental matters and other contingencies.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 450<br> -URI http://asc.fasb.org/topic&amp;trid=2127136<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LegalMattersAndContingenciesTextBlock</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>nonnum:textBlockItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
</div>
</body>
</html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>26
<FILENAME>R14.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
							function toggleNextSibling (e) {
							if (e.nextSibling.style.display=='none') {
							e.nextSibling.style.display='block';
							} else { e.nextSibling.style.display='none'; }
							}</script>
</head>
<body>
<span style="display: none;">v3.10.0.1</span><table class="report" border="0" cellspacing="2" id="idp6791490912">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Basis of Presentation and Summary of Significant Accounting Policies (Policies)<br></strong></div></th>
<th class="th" colspan="1">6 Months Ended</th>
</tr>
<tr><th class="th"><div>Jun. 30, 2018</div></th></tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccountingPoliciesAbstract', window );"><strong>Accounting Policies [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_BasisOfAccountingPolicyPolicyTextBlock', window );">Basis of Accounting</a></td>
<td class="text"><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">These notes apply to the unaudited condensed consolidated financial statements of Natural Gas Services Group, Inc. a Colorado corporation&#160;(the "Company", &#8220;NGSG&#8221;, "Natural Gas Services Group", "we" or "our").&#160;&#160;The accompanying unaudited condensed consolidated financial statements include the accounts of the Company, its subsidiary, NGSG Properties, LLC and the rabbi trust associated with the Company's deferred compensations plan, see Note 4. All significant intercompany accounts and transactions for the periods presented have been eliminated in consolidation.</span></div><div style="line-height:120%;"><span><br/></span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">These&#160;financial statements include all adjustments, consisting of only normal recurring adjustments, which are necessary to make our financial position at June 30, 2018 and the results of our operations for the three and six months ended June 30, 2018 and 2017 not misleading.&#160;As permitted by the rules and regulations of the Securities and Exchange Commission (SEC), the accompanying condensed consolidated financial statements do not include all disclosures normally required by generally accepted accounting principles in the United States of America (GAAP).&#160;These financial statements should be read in conjunction</span><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:700;line-height:120%;vertical-align:bottom;">&#160;</span><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">with the financial statements included in our Annual Report on Form 10-K for the year ended December 31, 2017 on file with the SEC.&#160;&#160;In our opinion, the condensed consolidated financial statements are a fair presentation of the financial position, results of operations and cash flows for the periods presented.</span></div><div style="line-height:120%;"><span><br/></span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">The results of operations for the three and&#160;six months ended June 30, 2018 are not necessarily indicative of the results of operations to be expected for the full fiscal year ending December 31, 2018.</span></div><span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_ngs_RevenueFromContractWithCustomerPolicyTextBlock', window );">Revenue Recogntion</a></td>
<td class="text"><div style="line-height:120%;margin-bottom:10pt;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-style:italic;font-weight:700;line-height:120%;vertical-align:bottom;">Revenue Recognition Policy</span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">The Company adopted ASC 606, Revenue from Contracts with Customers ("ASC 606") on January 1, 2018.&#160;As a result,&#160;the&#160;Company has changed its accounting policy for revenue recognition&#160;as detailed&#160;below.</span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;</span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">The Company applied ASC 606 using the cumulative effect method. We had no significant changes in our recognition of revenue at adoption and our review of all open revenue from contracts with customers on January 1, 2018 indicated we had no adjustment to be made. If an adjustment had been needed, we would have recognized the cumulative effect of initially applying ASC 606 with an adjustment to the opening balance of equity at January 1, 2018. Therefore, our consolidated financial statements for 2017 reported under ASC 605 are comparable to the consolidated financial statements for 2018 reported under ASC 606, since an adjustment was not needed, except for the respective additional disclosures as detailed below.&#160;</span></div><div style="text-indent:36pt;line-height:120%;"><span><br/></span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;margin-bottom:10pt;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">Revenue is measured based on a consideration specified in a customer&#8217;s contract, excluding any sale incentives and taxes collected on behalf of third parties (i.e. sales and property taxes).  We recognize revenue once a performance obligation has been satisfied and control over a product or service has transferred to the customer. Shipping and handling costs incurred are accounted for as fulfillment costs and are included in cost of revenues in our condensed consolidated income statement. </span></div><div style="line-height:120%;text-align:justify;margin-bottom:10pt;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-style:italic;line-height:120%;vertical-align:bottom;">Nature of goods and Services</span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;margin-bottom:10pt;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">The following is a description of principal activities from which the Company generates its revenue: </span></div><div style="line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-style:italic;line-height:120%;vertical-align:bottom;">Rental Revenue. </span><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">The Company generates revenue from renting compressors and flare systems to our customers. These contracts may also include a fee for servicing the compressor or flare during the rental contract. Our rental contracts range from six to twenty-four months, with revenue being recognized over time, in equal payments over the term of the contract. After the terms of the contract have expired,&#160;a&#160;customer may renew their contract or continue renting on a monthly basis thereafter. In accordance with generally accepted accounting principles, the revenue earned from servicing rental equipment is recognized in accordance with ASC 606</span><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-style:italic;line-height:120%;vertical-align:bottom;">, </span><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">while the revenue earned from the rental of the equipment is recognized in accordance with</span><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-style:italic;line-height:120%;vertical-align:bottom;">&#160;</span><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">ASC 840 </span><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-style:italic;line-height:120%;vertical-align:bottom;">- Leases</span><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">. </span></div><div style="padding-left:36pt;line-height:120%;text-align:justify;"><span><br/></span></div><div style="line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-style:italic;line-height:120%;vertical-align:bottom;">Sales Revenue.</span><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;"> The Company generates revenue by the sale of custom/fabricated compressors, flare systems and parts, as well as, exchange/rebuilding customer owned compressors and sale of used rental equipment. </span></div><div style="line-height:120%;text-align:justify;"><span><br/></span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">Custom/fabricated compressors and flare systems - The Company designs and fabricates compressors and flares based on the customer&#8217;s specifications outlined in their contract. Though the equipment being built is customized by the customer, </span></div><div style="line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">control under these contracts does not pass to the customer until the compressor or flare package is complete and shipped, or in accordance with a bill and hold arrangements the customer accepts title and assumes the risk and rewards of ownership. We request some of our customers to make progressive payments as the product is being built; these payments are recorded as a contract liability on the Deferred Income line on the condensed consolidated balance sheet until control has been transferred. These contracts also may include an assurance warranty clause to guarantee the product is free from defects in material and workmanship for a set duration of time; this is a standard industry practice and is not considered a performance obligation. </span></div><div style="padding-left:72pt;line-height:120%;text-align:justify;"><span><br/></span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;margin-bottom:10pt;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">From time to time, upon the customer&#8217;s written request, we recognize revenue when manufacturing is complete and the equipment is ready for shipment. At the customer&#8217;s request, we will bill the customer upon completing all performance obligations, but before shipment. The customer will formally request we ship the equipment per their direction from our manufacturing facility at a later specified date and that we segregate the equipment from our finished goods, such that they are not available to fill other orders. Per the customer&#8217;s agreement&#160;change of control is passed to the customer once the equipment is complete and ready for shipment. We have operated using bill and hold agreements with certain customers for many years, with consistent satisfactory results for both the customer and us. The credit terms on these agreements are consistent with the credit terms on all other sales. All control&#160;shouldered by the customer, and there are no exceptions to the customer&#8217;s commitment to accept and pay for the manufactured equipment. Revenues recognized at the completion of manufacturing for the six months ended June 30, 2018 was approximately&#160;$6.3 million.</span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">Parts</span><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-style:italic;line-height:120%;vertical-align:bottom;"> - </span><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">Revenue is recognized after the customer obtains control of the parts. Control is passed either by the customer taking physical possession or the parts being shipped. The amount of revenue recognized is not adjusted for expected returns, as our historical part returns have been de minimis. </span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span><br/></span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">Exchange or rebuilding customer owned compressors - Based on the contract, the Company will either exchange a new/rebuilt compressor for the customer&#8217;s malfunctioning compressor or rebuild the customer&#8217;s compressor. Revenue is recognized after control of the replacement compressor has transferred to the customer by physical delivery, delivery and installment or shipment of the compressor.</span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span><br/></span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">Used compressors or flares - From time to time, a customer may request to purchase a used compressor or flare out of our rental fleet. Revenue from the sale of rental equipment is recognized when the control has passed to the customer, when the customer has taken physical possession or the equipment has been shipped.</span></div><div style="padding-left:72pt;line-height:120%;text-align:justify;"><span><br/></span></div><div style="line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-style:italic;line-height:120%;vertical-align:bottom;">Service and Maintenance Revenue</span><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">. The Company provides routine or call-out services on customer owned equipment. Revenue is recognized after services in the contract are rendered. </span></div><div style="line-height:120%;"><span><br/></span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">Payment terms for sales revenue and service and maintenance revenue discussed above are generally 30 to 60 days although terms for specific customers can vary. Also, the transaction prices are not subject to variable consideration constraints.</span></div><span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_ngs_CapitalizedContractCostsPolicyPolicyTextBlock', window );">Contract Costs</a></td>
<td class="text"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-style:italic;font-weight:700;line-height:120%;vertical-align:bottom;">Contract Costs</span><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">&#160;</span>The Company applies the practical expedient in ASC 340-40-25-4 and recognizes the incremental costs of obtaining contracts as an expense when incurred if the amortization period of the assets that the Company otherwise would have recognized is one year or less. These costs are included in selling, general and administrative expense on our consolidated income statement.<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FairValueOfFinancialInstrumentsPolicy', window );">Fair Value of Financial Instruments</a></td>
<td class="text"><div style="line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-style:italic;font-weight:700;line-height:120%;vertical-align:bottom;">Fair Value of Financial Instruments</span></div><div style="line-height:120%;"><span><br/></span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">Our financial instruments consist principally of cash and cash equivalents, accounts receivable, accounts payable, deferred compensation plan (cash portion) and our line of credit.  Pursuant to ASC 820 (Accounting Standards Codification), the fair value of our cash equivalents is determined based on &#8220;Level 1&#8221; inputs, which consist of quoted prices in active markets for identical assets.  We believe that the recorded values of all of our other financial instruments approximate their fair values because of their nature and relatively short maturity dates or durations.</span></div><span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock', window );">Recently Issued Accounting Pronouncements</a></td>
<td class="text"><div style="line-height:120%;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-style:italic;font-weight:700;line-height:120%;vertical-align:bottom;">Recently Issued Accounting Pronouncements</span></div><div style="line-height:120%;"><span><br/></span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;margin-bottom:12pt;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">On February 25, 2016, the Financial Accounting&#160;Standards Board ("FASB") issued ASU 2016-02, Leases (Topic 842). Under the new guidance, a lessee will be required to recognize assets and liabilities for finance and operating leases with lease terms of more than 12 months. Additionally, this ASU will require disclosures to help investors and other financial statement users better&#160;understand the amount, timing, and uncertainty of cash flows arising from leases, including qualitative and quantitative&#160;requirements. The ASU initially required a modified retrospective transition method where a company applies the new leases standard at the beginning of the earliest period&#160;presented in the&#160;financial&#160;statements, but in July 2018 the FASB issued ASU 2018-11.&#160;ASU 2018-11 added an optional transition method where a company applies the new leases standard at the adoption date and recognizes a cumulative effect adjustment to the opening balance of retained earnings. For public business entities, the amendments are effective for fiscal years beginning after December 15, 2018, including interim periods within those fiscal years, with early adoption permitted. The new standard will be effective during our first quarter ending March 31, 2019. We are in the process of reviewing our leases and evaluating what impact the new standard will have on our accounting policies, internal controls and condensed consolidated balance sheet. We expect there&#160;will be an increase in assets and liabilities on the condensed&#160;consolidated balance sheets at adoption due to recording the right-of-use assets and corresponding&#160;lease liabilities, but do not believe this to be a significant&#160;impact  at this time. We also expect an&#160;increase in our disclosures revolving around leases. We anticipate our review&#160;to be completed in the latter half of 2018.</span></div><span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PriorPeriodReclassificationAdjustmentDescription', window );">Reclassification of Prior Period Balances</a></td>
<td class="text"><div style="line-height:120%;text-align:justify;margin-bottom:10pt;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-style:italic;font-weight:700;line-height:120%;vertical-align:bottom;">Reclassification of Prior Period Balances</span></div><div style="text-indent:36pt;line-height:120%;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">Certain reclassifications have been made to prior period amounts to conform to the current-year presentation. These</span></div><div style="line-height:120%;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">reclassifications had no effect on the reported results of operations.</span></div><span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SegmentReportingPolicyPolicyTextBlock', window );">Segment Information</a></td>
<td class="text"><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">ASC 280-10-50, &#8220;Operating Segments", defines the characteristics of an operating segment as: a) being engaged in business activity from which it may earn revenue and incur expenses, b) being reviewed by the Company's chief operating decision maker (CODM) for decisions about resources to be allocated and assess its performance and c) having discrete financial information.&#160;&#160;Although we look at our products to analyze the nature of our revenue, other financial information, such as certain costs and expenses, net income and EBITDA are not captured or analyzed by these categories.&#160;&#160;Our CODM does not make resource allocation decisions or access the performance of the business based on these categories, but rather in the aggregate. Based on this, management believes that it operates in&#160;one&#160;business segment.</span></div><div style="line-height:120%;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">&#160; </span></div><div style="text-indent:45pt;line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">In their analysis of product lines as potential operating segments, management also considered ASC 280-10-50-11, &#8220;Aggregation Criteria&#8221;, which allows for the aggregation of operating segments if the segments have similar economic characteristics and if the segments are similar in each of the following areas: </span></div><div style="line-height:120%;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">&#160; </span></div><div style="text-indent:-18pt;padding-left:36pt;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">&#8226;    The nature of the products and services;</span></div><div style="line-height:120%;"><span><br/></span></div><div style="text-indent:-18pt;padding-left:36pt;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">&#8226;    The nature of the production processes; </span></div><div style="text-indent:-18pt;padding-left:36pt;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">&#8226;    The type or class of customer for their products and services; </span></div><div style="line-height:120%;"><span><br/></span></div><div style="text-indent:-18pt;padding-left:36pt;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">&#8226;    The methods used to distribute their products or provide their services; and</span></div><div style="line-height:120%;"><span><br/></span></div><div style="text-indent:-18pt;padding-left:36pt;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">&#8226;    The nature of the regulatory environment, if applicable.</span></div><div style="line-height:120%;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">&#160; </span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">We are engaged in the business of designing and manufacturing compressors and flares. Our compressors and flares are sold and rented to our customers. In addition, we provide service and maintenance on compressors in our fleet and to third parties.  These business activities are similar in all geographic areas.&#160;&#160;Our manufacturing  process is essentially the same for the entire Company and is performed in-house at our facilities in Midland, Texas and Tulsa, Oklahoma.&#160;&#160;Our customers primarily consist of entities in the business of producing natural gas and crude oil.&#160;&#160;The maintenance and service of our products is consistent across the entire Company and is performed via an internal fleet of vehicles.&#160;&#160;The regulatory environment is similar in every jurisdiction in that the most impacting regulations and practices are the result of federal energy policy.&#160;&#160;In addition, the economic characteristics of each customer arrangement are similar in that we maintain policies at the corporate level.</span></div><div style="line-height:120%;text-align:center;"><span><br/></span></div><div style="line-height:120%;"><span><br/></span></div><div><table style="margin-left:auto;margin-right:auto;border-collapse:collapse;text-align:left;text-indent:0pt;display:inline-table;width:99.415205%;"><tr><td style="width:1.0%;"/><td style="width:44.617647%;"/><td style="width:1.0%;"/><td style="width:1.0%;"/><td style="width:8.000000%;"/><td style="width:1.0%;"/><td style="width:0.1%;"/><td style="width:0.535294%;"/><td style="width:0.1%;"/><td style="width:1.0%;"/><td style="width:6.970588%;"/><td style="width:1.0%;"/><td style="width:0.1%;"/><td style="width:0.535294%;"/><td style="width:0.1%;"/><td style="width:1.0%;"/><td style="width:9.470588%;"/><td style="width:1.0%;"/><td style="width:0.1%;"/><td style="width:0.535294%;"/><td style="width:0.1%;"/><td style="width:1.0%;"/><td style="width:8.000000%;"/><td style="width:1.0%;"/><td style="width:0.1%;"/><td style="width:0.535294%;"/><td style="width:0.1%;"/><td style="width:1.0%;"/><td style="width:8.000000%;"/><td style="width:1.0%;"/></tr><tr><td colspan="30" style="padding-top:2px;padding-bottom:2px;height:14pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:700;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">For the three months ended June 30, 2018 (in thousands):&#160;</span></td><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/></tr><tr><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Rental&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Sales&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Service &amp; Maintenance&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Corporate&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Total&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Revenue&#160;</span></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">11,427&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">6,383&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">394&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">&#8212;&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">18,204&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Operating costs and corporate expenses</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">5,195&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">4,924&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">101&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">7,758&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">17,978&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><div style="line-height:100%;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">Total other income, net</span></div></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">&#8212;&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">&#8212;&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">&#8212;&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">75&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">75&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Income before provision for&#160;income taxes&#160;</span></td><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">6,232&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">1,459&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">293&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">(7,683)</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">301&#160;</span></td></tr></table></div><div style="line-height:120%;"><span><br/></span></div><div style="line-height:120%;"><span><br/></span></div><div style="line-height:120%;"><span><br/></span></div><div><table style="margin-left:auto;margin-right:auto;border-collapse:collapse;text-align:left;text-indent:0pt;display:inline-table;width:99.269006%;"><tr><td style="width:1.0%;"/><td style="width:44.833579%;"/><td style="width:1.0%;"/><td style="width:1.0%;"/><td style="width:7.720177%;"/><td style="width:1.0%;"/><td style="width:0.1%;"/><td style="width:0.536377%;"/><td style="width:0.1%;"/><td style="width:1.0%;"/><td style="width:7.572901%;"/><td style="width:1.0%;"/><td style="width:0.1%;"/><td style="width:0.536377%;"/><td style="width:0.1%;"/><td style="width:1.0%;"/><td style="width:10.371134%;"/><td style="width:1.0%;"/><td style="width:0.1%;"/><td style="width:0.536377%;"/><td style="width:0.1%;"/><td style="width:1.0%;"/><td style="width:7.720177%;"/><td style="width:1.0%;"/><td style="width:0.1%;"/><td style="width:0.536377%;"/><td style="width:0.1%;"/><td style="width:1.0%;"/><td style="width:6.836524%;"/><td style="width:1.0%;"/></tr><tr><td colspan="30" style="padding-top:2px;padding-bottom:2px;height:14pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:700;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">For the three months ended June 30, 2017 (in thousands):</span></td><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/></tr><tr><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Rental&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Sales&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Service &amp; Maintenance&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Corporate&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Total&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Revenue</span></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">11,420&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">4,407&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">391&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">&#8212;&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">16,218&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Operating costs and corporate expenses</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">4,255&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">3,745&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">104&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">7,700&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">15,804&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Total other income, net</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">&#8212;&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">&#8212;&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">&#8212;&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">1&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">1&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Income before provision for&#160;&#160;income taxes&#160;</span></td><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">7,165&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">662&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">287&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">(7,699)</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">415&#160;</span></td></tr></table></div><div style="line-height:120%;"><span><br/></span></div><div style="line-height:120%;"><span><br/></span></div><div style="margin-bottom:6pt;"><table style="margin-left:auto;margin-right:auto;border-collapse:collapse;text-align:left;text-indent:0pt;display:inline-table;width:98.538012%;"><tr><td style="width:1.0%;"/><td style="width:44.884273%;"/><td style="width:1.0%;"/><td style="width:1.0%;"/><td style="width:7.643917%;"/><td style="width:1.0%;"/><td style="width:0.1%;"/><td style="width:0.393472%;"/><td style="width:0.1%;"/><td style="width:1.0%;"/><td style="width:7.643917%;"/><td style="width:1.0%;"/><td style="width:0.1%;"/><td style="width:0.393472%;"/><td style="width:0.1%;"/><td style="width:1.0%;"/><td style="width:10.462908%;"/><td style="width:1.0%;"/><td style="width:0.1%;"/><td style="width:0.393472%;"/><td style="width:0.1%;"/><td style="width:1.0%;"/><td style="width:7.940653%;"/><td style="width:1.0%;"/><td style="width:0.1%;"/><td style="width:0.393472%;"/><td style="width:0.1%;"/><td style="width:1.0%;"/><td style="width:7.050445%;"/><td style="width:1.0%;"/></tr><tr><td colspan="30" style="padding-top:2px;padding-bottom:2px;height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:700;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">For the six months ended June 30, 2018 (in thousands):&#160;</span></td><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/></tr><tr><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Rental&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Sales&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Service &amp; Maintenance&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Corporate&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Total&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Revenue&#160;</span></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">22,898&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">9,381&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">643&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">&#8212;&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$32,922&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Operating costs and corporate expenses&#160;</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">9,899&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">7,115&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">166&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">15,166&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">32,346&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Total other income, net&#160;</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">&#8212;&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">&#8212;&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">&#8212;&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">(1)</span></td><td colspan="3" style="background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">(1)</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Income before provision for&#160;income taxes&#160;</span></td><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">12,999&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">2,266&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">477&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">(15,167)</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">575&#160;</span></td></tr></table></div><div style="line-height:120%;"><span><br/></span></div><div style="line-height:120%;"><span><br/></span></div><div style="margin-bottom:6pt;"><table style="margin-left:auto;margin-right:auto;border-collapse:collapse;text-align:left;text-indent:0pt;display:inline-table;width:98.830409%;"><tr><td style="width:1.0%;"/><td style="width:44.745562%;"/><td style="width:1.0%;"/><td style="width:1.0%;"/><td style="width:7.615385%;"/><td style="width:1.0%;"/><td style="width:0.1%;"/><td style="width:0.391716%;"/><td style="width:0.1%;"/><td style="width:1.0%;"/><td style="width:7.615385%;"/><td style="width:1.0%;"/><td style="width:0.1%;"/><td style="width:0.391716%;"/><td style="width:0.1%;"/><td style="width:1.0%;"/><td style="width:10.426036%;"/><td style="width:1.0%;"/><td style="width:0.1%;"/><td style="width:0.391716%;"/><td style="width:0.1%;"/><td style="width:1.0%;"/><td style="width:7.615385%;"/><td style="width:1.0%;"/><td style="width:0.1%;"/><td style="width:0.391716%;"/><td style="width:0.1%;"/><td style="width:1.0%;"/><td style="width:7.615385%;"/><td style="width:1.0%;"/></tr><tr><td colspan="30" style="padding-top:2px;padding-bottom:2px;height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:700;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">For the six months ended June 30, 2017 (in thousands):&#160;</span></td><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/></tr><tr><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Rental&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Sales&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Service &amp; Maintenance&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Corporate&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Total&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Revenue&#160;</span></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">23,342&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">11,044&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">734&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">&#8212;&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$35,120&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Operating costs and corporate expenses&#160;</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">8,923&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">9,168&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">198&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">16,074&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">34,363&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Total other income, net&#160;</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">&#8212;&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">&#8212;&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">&#8212;&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">2&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">2&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Income before provision for&#160;income taxes&#160;</span></td><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">14,419&#160;</span></td><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">&#8212;&#160;</span></td><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">1,876&#160;</span></td><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">&#8212;&#160;</span></td><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">536&#160;</span></td><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">&#8212;&#160;</span></td><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">(16,072)</span></td><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">&#8212;&#160;</span></td><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">759&#160;</span></td></tr></table></div><span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_ngs_CapitalizedContractCostsPolicyPolicyTextBlock">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Capitalized Contract Costs, Policy</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">ngs_CapitalizedContractCostsPolicyPolicyTextBlock</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>ngs_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>nonnum:textBlockItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_ngs_RevenueFromContractWithCustomerPolicyTextBlock">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Revenue from Contract with Customer [Policy Text Block]</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">ngs_RevenueFromContractWithCustomerPolicyTextBlock</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>ngs_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>nonnum:textBlockItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AccountingPoliciesAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AccountingPoliciesAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_BasisOfAccountingPolicyPolicyTextBlock">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Disclosure of accounting policy for basis of accounting, or basis of presentation, used to prepare the financial statements (for example, US Generally Accepted Accounting Principles, Other Comprehensive Basis of Accounting, IFRS).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_BasisOfAccountingPolicyPolicyTextBlock</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>nonnum:textBlockItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_FairValueOfFinancialInstrumentsPolicy">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Disclosure of accounting policy for determining the fair value of financial instruments.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=84158767&amp;loc=d3e18780-107790<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 825<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=77997519&amp;loc=d3e13279-108611<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 820<br> -SubTopic 10<br> -Section 60<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=7493716&amp;loc=d3e21868-110260<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_FairValueOfFinancialInstrumentsPolicy</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>nonnum:textBlockItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Disclosure of accounting policy pertaining to new accounting pronouncements that may impact the entity's financial reporting. Includes, but is not limited to, quantification of the expected or actual impact.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>nonnum:textBlockItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PriorPeriodReclassificationAdjustmentDescription">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Disclosure of accounting policy for reclassifications that affects the comparability of the financial statements.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6359566&amp;loc=d3e326-107755<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PriorPeriodReclassificationAdjustmentDescription</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>nonnum:textBlockItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_SegmentReportingPolicyPolicyTextBlock">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Disclosure of accounting policy for segment reporting.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=84158767&amp;loc=d3e18780-107790<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_SegmentReportingPolicyPolicyTextBlock</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>nonnum:textBlockItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
</div>
</body>
</html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>27
<FILENAME>R15.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
							function toggleNextSibling (e) {
							if (e.nextSibling.style.display=='none') {
							e.nextSibling.style.display='block';
							} else { e.nextSibling.style.display='none'; }
							}</script>
</head>
<body>
<span style="display: none;">v3.10.0.1</span><table class="report" border="0" cellspacing="2" id="idp6800450592">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Basis of Presentation and Summary of Significant Accounting Policies (Tables)<br></strong></div></th>
<th class="th" colspan="1">6 Months Ended</th>
</tr>
<tr><th class="th"><div>Jun. 30, 2018</div></th></tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccountingPoliciesAbstract', window );"><strong>Accounting Policies [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DisaggregationOfRevenueTableTextBlock', window );">Disaggregation of Revenue</a></td>
<td class="text"><div style="line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">The following table shows the Company's revenue disaggregated by product or service type for the three and six months ended June 30, 2018 and 2017:</span></div><div style="line-height:120%;text-align:justify;"><span><br/></span></div><div style="line-height:120%;text-align:center;"><span><br/></span></div><div style="text-align:center;"><table style="margin-left:auto;margin-right:auto;border-collapse:collapse;text-align:left;text-indent:0pt;display:inline-table;width:99.990000%;"><tr><td style="width:1.0%;"/><td style="width:32.210526%;"/><td style="width:1.0%;"/><td style="width:1.0%;"/><td style="width:10.134503%;"/><td style="width:1.0%;"/><td style="width:1.0%;"/><td style="width:4.432749%;"/><td style="width:1.0%;"/><td style="width:1.0%;"/><td style="width:12.181287%;"/><td style="width:1.0%;"/><td style="width:1.0%;"/><td style="width:1.508772%;"/><td style="width:1.0%;"/><td style="width:1.0%;"/><td style="width:9.695906%;"/><td style="width:1.0%;"/><td style="width:1.0%;"/><td style="width:4.140351%;"/><td style="width:1.0%;"/><td style="width:1.0%;"/><td style="width:9.695906%;"/><td style="width:1.0%;"/></tr><tr><td colspan="3" style="height:21pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="9" style="padding-top:2px;padding-bottom:2px;height:21pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">Three months ended June 30,</span></div></td><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="height:21pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="9" style="padding-top:2px;padding-bottom:2px;height:21pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">Six months ended June 30,</span></div></td><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/></tr><tr><td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="9" style="padding-top:2px;padding-bottom:2px;height:15pt;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-style:italic;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">(in thousands)</span></td><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="9" style="padding-top:2px;padding-bottom:2px;height:15pt;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-style:italic;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">(in thousands)</span></td><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/></tr><tr><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">2018&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">2017&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">2018&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">2017&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Compressors - sales</span></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">4,735&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">2,980&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">6,564&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">8,620&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Flares - sales</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">969&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">562&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">1,491&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">831&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Other (Parts/Rebuilds) - sales</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">679&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">866&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">1,326&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">1,593&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><div style="line-height:100%;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">Service and maintenance </span><sup style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:6.5pt;font-weight:400;line-height:100%;vertical-align:bottom;vertical-align:top;">1</sup></div></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">4,964&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">4,959&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">9,801&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">10,075&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Total revenue from contracts with customers</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">11,347&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">9,367&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">19,182&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">21,119&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Add: non-ASC 606 rental revenue</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">6,857&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">6,851&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">13,740&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">14,001&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Total revenue</span></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">18,204&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">16,218&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">32,922&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">35,120&#160;</span></td></tr></table></div><div style="line-height:120%;text-align:center;"><span><br/></span></div><div style="line-height:120%;text-align:justify;"><sup style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:6.5pt;line-height:120%;vertical-align:bottom;vertical-align:top;">1</sup><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">Service and maintenance includes revenue from servicing our own rental equipment contracted to customers and third party equipment.</span></div><span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ContractWithCustomerAssetAndLiabilityTableTextBlock', window );">Schedule of Contract with Customer, Asset and Liability</a></td>
<td class="text"><div style="text-indent:36pt;line-height:120%;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">As of June 30, 2018 and December 31, 2017, we had the following receivables and deferred income from contracts with customers:&#160;</span></div><div style="text-indent:18pt;line-height:120%;"><span><br/></span></div><div style="line-height:120%;text-align:center;"><span><br/></span></div><div style="text-align:center;"><table style="margin-left:auto;margin-right:auto;border-collapse:collapse;text-align:left;text-indent:0pt;display:inline-table;width:99.561404%;"><tr><td style="width:1.0%;"/><td style="width:62.317181%;"/><td style="width:1.0%;"/><td style="width:1.0%;"/><td style="width:14.593245%;"/><td style="width:1.0%;"/><td style="width:1.0%;"/><td style="width:2.296329%;"/><td style="width:1.0%;"/><td style="width:1.0%;"/><td style="width:14.593245%;"/><td style="width:1.0%;"/></tr><tr><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">June 30, 2018</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">December 31, 2017</span></td></tr><tr><td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="9" style="padding-top:2px;padding-bottom:2px;height:15pt;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-style:italic;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">(in thousands)</span></td><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Accounts Receivable</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;padding-right:1pt;"/></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#ffffff;text-align:left;vertical-align:bottom;padding-left:18pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Accounts receivable - contracts with customers</span></td><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">7,001&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">5,454&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:18pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Accounts receivable - non-ASC 606</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">2,817&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">3,649&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#ffffff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Total Accounts Receivable</span></td><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">9,818&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"/><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">9,103&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Less:Allowance for doubtful accounts</span></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">(443)</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">(569)</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#ffffff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Total Accounts Receivable, net</span></td><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">9,375&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"/><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">8,534&#160;</span></td></tr><tr><td colspan="3" style="height:15pt;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="height:15pt;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:3pt double #000000;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="height:15pt;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:3pt double #000000;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="height:15pt;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:3pt double #000000;padding-left:1pt;padding-right:1pt;"/></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#ffffff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Deferred income</span></td><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-bottom:3pt double #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-bottom:3pt double #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">487&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-bottom:3pt double #000000;padding-left:1pt;padding-right:1pt;"/><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-bottom:3pt double #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-bottom:3pt double #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">185&#160;</span></td></tr></table></div><span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTableTextBlock', window );">Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction</a></td>
<td class="text"><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">The following table includes estimated revenue expected to be recognized in the future related to performance obligations that are unsatisfied (or partially unsatisfied) at the end of the reporting period:</span></div><div style="line-height:120%;"><span><br/></span></div><div style="line-height:120%;text-align:center;"><span><br/></span></div><div style="text-align:center;"><table style="margin-left:auto;margin-right:auto;border-collapse:collapse;text-align:left;text-indent:0pt;display:inline-table;width:99.415205%;"><tr><td style="width:1.0%;"/><td style="width:37.117647%;"/><td style="width:1.0%;"/><td style="width:1.0%;"/><td style="width:8.147059%;"/><td style="width:1.0%;"/><td style="width:1.0%;"/><td style="width:8.147059%;"/><td style="width:1.0%;"/><td style="width:1.0%;"/><td style="width:8.147059%;"/><td style="width:1.0%;"/><td style="width:1.0%;"/><td style="width:8.147059%;"/><td style="width:1.0%;"/><td style="width:1.0%;"/><td style="width:8.147059%;"/><td style="width:1.0%;"/><td style="width:1.0%;"/><td style="width:8.147059%;"/><td style="width:1.0%;"/></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-style:italic;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">(in thousands)&#160;</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">2019</span><sup style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:6.5pt;font-weight:400;line-height:100%;vertical-align:bottom;vertical-align:top;">(1)</sup></div></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">2020&#160;</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">2021&#160;</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">2022&#160;</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">2023&#160;</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Total&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Service and Maintenance</span></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">750&#160;</span></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">1,173&#160;</span></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">1,085&#160;</span></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">1,085&#160;</span></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">145&#160;</span></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">4,238&#160;</span></td></tr></table></div>(1) For the six months starting July 2019.<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AccountingPoliciesAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AccountingPoliciesAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ContractWithCustomerAssetAndLiabilityTableTextBlock">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of contract balances and changes in contract balances.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 606<br> -SubTopic 10<br> -Section 50<br> -Paragraph 10<br> -URI http://asc.fasb.org/extlink&amp;oid=82913847&amp;loc=SL49130551-203045<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ContractWithCustomerAssetAndLiabilityTableTextBlock</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>nonnum:textBlockItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DisaggregationOfRevenueTableTextBlock">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 606<br> -SubTopic 10<br> -Section 50<br> -Paragraph 5<br> -URI http://asc.fasb.org/extlink&amp;oid=82913847&amp;loc=SL49130545-203045<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DisaggregationOfRevenueTableTextBlock</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>nonnum:textBlockItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTableTextBlock">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of expected timing for satisfying remaining performance obligation.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 270<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1A<br> -Subparagraph (e)<br> -URI http://asc.fasb.org/extlink&amp;oid=84173487&amp;loc=SL51747714-108306<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 606<br> -SubTopic 10<br> -Section 50<br> -Paragraph 13<br> -Subparagraph (b)(1)<br> -URI http://asc.fasb.org/extlink&amp;oid=82913847&amp;loc=SL49130556-203045<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTableTextBlock</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>nonnum:textBlockItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
</div>
</body>
</html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>28
<FILENAME>R16.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
							function toggleNextSibling (e) {
							if (e.nextSibling.style.display=='none') {
							e.nextSibling.style.display='block';
							} else { e.nextSibling.style.display='none'; }
							}</script>
</head>
<body>
<span style="display: none;">v3.10.0.1</span><table class="report" border="0" cellspacing="2" id="idp6794599760">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Stock-Based Compensation (Tables)<br></strong></div></th>
<th class="th" colspan="1">6 Months Ended</th>
</tr>
<tr><th class="th"><div>Jun. 30, 2018</div></th></tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract', window );"><strong>Disclosure of Compensation Related Costs, Share-based Payments [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock', window );">Summary of Option Activity</a></td>
<td class="text"><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">A summary of option activity under our 1998 Stock Option Plan  as  of December 31, 2017, and changes during the six months ended&#160;June 30, 2018 is presented below.</span></div><div style="line-height:120%;"><span><br/></span></div><div style="line-height:120%;"><span><br/></span></div><div><table style="margin-left:auto;margin-right:auto;border-collapse:collapse;text-align:left;text-indent:0pt;display:inline-table;width:99.269006%;"><tr><td style="width:1.0%;"/><td style="width:45.128130%;"/><td style="width:1.0%;"/><td style="width:1.0%;"/><td style="width:10.665685%;"/><td style="width:1.0%;"/><td style="width:0.1%;"/><td style="width:0.536377%;"/><td style="width:0.1%;"/><td style="width:1.0%;"/><td style="width:10.665685%;"/><td style="width:1.0%;"/><td style="width:0.1%;"/><td style="width:0.536377%;"/><td style="width:0.1%;"/><td style="width:1.0%;"/><td style="width:10.665685%;"/><td style="width:1.0%;"/><td style="width:0.1%;"/><td style="width:0.536377%;"/><td style="width:0.1%;"/><td style="width:1.0%;"/><td style="width:10.665685%;"/><td style="width:1.0%;"/></tr><tr><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">Number</span></div><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">&#160;of</span></div><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">Stock Options</span></div></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">Weighted Average</span></div><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">Exercise</span></div><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">&#160;Price</span></div></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">Weighted&#160;</span></div><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">Average&#160;</span></div><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">Remaining&#160;</span></div><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">Contractual Life (years)</span></div></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">Aggregate&#160;</span></div><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">Intrinsic&#160;</span></div><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">Value</span></div><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-style:italic;font-weight:400;line-height:100%;vertical-align:bottom;">(in thousands)</span></div></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:12pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Outstanding, December 31, 2017</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">327,270&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">20.21&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">4.28</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">2,255&#160;</span></td></tr><tr><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:12pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Exercised&#160;</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">(8,500)</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">18.51&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">&#8212;&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">86&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:12pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Canceled/Forfeited&#160;</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">(500)</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">28.15&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">&#8212;&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">&#8212;&#160;</span></td></tr><tr><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:12pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Outstanding, June 30, 2018</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">318,270&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">20.24&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">3.82</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">1,579&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:12pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Exercisable, June 30, 2018</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">296,738&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">19.67&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">3.47</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">1,579&#160;</span></td></tr></table></div><span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ScheduleOfShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeTextBlock', window );">Summary of Stock Options Outstanding</a></td>
<td class="text"><div style="line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">The following table summarizes information about our stock options outstanding at June 30, 2018:</span></div><div style="line-height:120%;text-align:justify;"><span><br/></span></div><div style="line-height:120%;"><span><br/></span></div><div><table style="margin-left:auto;margin-right:auto;border-collapse:collapse;text-align:left;text-indent:0pt;display:inline-table;width:99.415205%;"><tr><td style="width:1.0%;"/><td style="width:38.588235%;"/><td style="width:1.0%;"/><td style="width:1.0%;"/><td style="width:9.323529%;"/><td style="width:1.0%;"/><td style="width:0.1%;"/><td style="width:0.535294%;"/><td style="width:0.1%;"/><td style="width:1.0%;"/><td style="width:9.176471%;"/><td style="width:1.0%;"/><td style="width:0.1%;"/><td style="width:0.535294%;"/><td style="width:0.1%;"/><td style="width:1.0%;"/><td style="width:9.323529%;"/><td style="width:1.0%;"/><td style="width:0.1%;"/><td style="width:0.535294%;"/><td style="width:0.1%;"/><td style="width:1.0%;"/><td style="width:9.323529%;"/><td style="width:1.0%;"/><td style="width:0.1%;"/><td style="width:0.535294%;"/><td style="width:0.1%;"/><td style="width:1.0%;"/><td style="width:9.323529%;"/><td style="width:1.0%;"/></tr><tr><td colspan="3" rowspan="2" style="padding-top:2px;padding-bottom:2px;height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><div style="line-height:100%;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">&#160;</span></div><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">Range of Exercise Prices</span></div></td><td colspan="15" style="padding-top:2px;padding-bottom:2px;height:15pt;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Options Outstanding&#160;</span></td><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="9" style="padding-top:2px;padding-bottom:2px;height:15pt;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Options Exercisable&#160;</span></td><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/></tr><tr><td colspan="3" style="display:none;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Shares&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;padding-right:1pt;"><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">Weighted</span></div><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">Average</span></div><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">Remaining</span></div><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">Contractual</span></div><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">Life (years)</span></div></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;padding-right:1pt;"><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">Weighted</span></div><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">Average</span></div><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">Exercise</span></div><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">Price</span></div></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Shares&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;padding-right:1pt;"><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">Weighted</span></div><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">Average</span></div><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">Exercise</span></div><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">Price</span></div></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:6pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$0.01-15.70</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">65,852&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">1.06</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">9.82&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">65,852&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">9.82&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:6pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$15.71-17.81</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">67,750&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">1.37</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">17.53&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">67,750&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">17.53&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:6pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$17.82-20.48</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">54,250&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">2.97</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">19.39&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">54,250&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">19.39&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:6pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$20.49-33.36</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">130,418&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">6.83</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">27.26&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">108,886&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">27.09&#160;</span></td></tr><tr><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">318,270&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">3.82</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">20.24&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">296,738&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">19.67&#160;</span></td></tr></table></div><span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ScheduleOfStockOptionsRollForwardTableTextBlock', window );">Status of Unvested Stock Options</a></td>
<td class="text"><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">The summary of the status of our unvested stock options as of December 31, 2017 and changes during the six months ended&#160;June 30, 2018 is presented below.</span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span><br/></span></div><div style="line-height:120%;"><span><br/></span></div><div><table style="margin-left:auto;margin-right:auto;border-collapse:collapse;text-align:left;text-indent:0pt;display:inline-table;width:99.561404%;"><tr><td style="width:1.0%;"/><td style="width:72.008811%;"/><td style="width:1.0%;"/><td style="width:1.0%;"/><td style="width:10.628488%;"/><td style="width:1.0%;"/><td style="width:0.1%;"/><td style="width:0.534214%;"/><td style="width:0.1%;"/><td style="width:1.0%;"/><td style="width:10.628488%;"/><td style="width:1.0%;"/></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><div style="line-height:100%;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">&#160;</span></div><div style="line-height:100%;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">&#160;</span></div><div style="line-height:100%;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">&#160;</span></div><div style="line-height:100%;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">Unvested stock options:</span></div></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Shares&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">Weighted Average</span></div><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">Grant Date Fair Value Per Share</span></div></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Unvested at December 31, 2017</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">48,581&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">11.41&#160;</span></td></tr><tr><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Vested</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">(26,549)</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">10.97&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><div style="line-height:100%;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">Canceled/Forfeited</span></div></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">(500)</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">11.93&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Unvested at June 30, 2018</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">21,532&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">11.93&#160;</span></td></tr></table></div><span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ScheduleOfShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeTextBlock">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of option exercise prices, by grouped ranges, including the upper and lower limits of the price range, the number of shares under option, weighted average exercise price and remaining contractual option terms.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=96867065&amp;loc=d3e5070-113901<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ScheduleOfShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeTextBlock</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>nonnum:textBlockItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (d)<br> -URI http://asc.fasb.org/extlink&amp;oid=96867065&amp;loc=d3e5070-113901<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (e)<br> -URI http://asc.fasb.org/extlink&amp;oid=96867065&amp;loc=d3e5070-113901<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (c)(1)<br> -URI http://asc.fasb.org/extlink&amp;oid=96867065&amp;loc=d3e5070-113901<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>nonnum:textBlockItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ScheduleOfStockOptionsRollForwardTableTextBlock">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of the change in stock options.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ScheduleOfStockOptionsRollForwardTableTextBlock</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>nonnum:textBlockItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
</div>
</body>
</html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>29
<FILENAME>R17.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
							function toggleNextSibling (e) {
							if (e.nextSibling.style.display=='none') {
							e.nextSibling.style.display='block';
							} else { e.nextSibling.style.display='none'; }
							}</script>
</head>
<body>
<span style="display: none;">v3.10.0.1</span><table class="report" border="0" cellspacing="2" id="idp6632089504">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Inventory (Tables)<br></strong></div></th>
<th class="th" colspan="1">6 Months Ended</th>
</tr>
<tr><th class="th"><div>Jun. 30, 2018</div></th></tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_InventoryDisclosureAbstract', window );"><strong>Inventory Disclosure [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ScheduleOfInventoryCurrentTableTextBlock', window );">Schedule of Inventory</a></td>
<td class="text"><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">Our inventory, net of allowance for obsolescence of $20,785 and $15,000 at June 30, 2018&#160;and December 31, 2017, respectively, consisted of the following amounts:</span></div><div style="line-height:120%;"><span><br/></span></div><div><table style="margin-left:auto;margin-right:auto;border-collapse:collapse;text-align:left;text-indent:0pt;display:inline-table;width:99.707602%;"><tr><td style="width:1.0%;"/><td style="width:61.929619%;"/><td style="width:1.0%;"/><td style="width:1.0%;"/><td style="width:16.181818%;"/><td style="width:1.0%;"/><td style="width:0.1%;"/><td style="width:0.533138%;"/><td style="width:0.1%;"/><td style="width:1.0%;"/><td style="width:15.155425%;"/><td style="width:1.0%;"/></tr><tr><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">June 30, 2018</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">December 31, 2017</span></td></tr><tr><td colspan="3" style="height:13pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="9" style="padding-top:2px;padding-bottom:2px;height:13pt;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-style:italic;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">(in thousands)&#160;</span></td><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Raw materials - current</span></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">19,565&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">22,813&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Raw materials - long term</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">3,467&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">2,829&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Finished Goods</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">1,022&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">1,022&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Work in process&#160;</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">2,455&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">2,389&#160;</span></td></tr><tr><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">26,509&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">29,053&#160;</span></td></tr></table></div><span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_InventoryDisclosureAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_InventoryDisclosureAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ScheduleOfInventoryCurrentTableTextBlock">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of the carrying amount as of the balance sheet date of merchandise, goods, commodities, or supplies held for future sale or to be used in manufacturing, servicing or production process.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(6)(b))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(6)(a))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6361739&amp;loc=d3e7789-107766<br><br>Reference 4: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(6)(c))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ScheduleOfInventoryCurrentTableTextBlock</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>nonnum:textBlockItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
</div>
</body>
</html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>30
<FILENAME>R18.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
							function toggleNextSibling (e) {
							if (e.nextSibling.style.display=='none') {
							e.nextSibling.style.display='block';
							} else { e.nextSibling.style.display='none'; }
							}</script>
</head>
<body>
<span style="display: none;">v3.10.0.1</span><table class="report" border="0" cellspacing="2" id="idp6791251408">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Earnings per Share (Tables)<br></strong></div></th>
<th class="th" colspan="1">6 Months Ended</th>
</tr>
<tr><th class="th"><div>Jun. 30, 2018</div></th></tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_EarningsPerShareAbstract', window );"><strong>Earnings Per Share [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock', window );">Schedule of Earnings Per Share, Basic and Diluted</a></td>
<td class="text"><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">The following table reconciles the numerators and denominators of the basic and diluted earnings per share computation&#160;</span><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-style:italic;line-height:120%;vertical-align:bottom;">(in thousands, except per share data)</span><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">:</span></div><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span><br/></span></div><div style="line-height:120%;text-align:center;"><span><br/></span></div><div style="text-align:center;"><table style="margin-left:auto;margin-right:auto;border-collapse:collapse;text-align:left;text-indent:0pt;display:inline-table;width:99.990000%;"><tr><td style="width:1.0%;"/><td style="width:39.081871%;"/><td style="width:1.0%;"/><td style="width:1.0%;"/><td style="width:10.573099%;"/><td style="width:1.0%;"/><td style="width:1.0%;"/><td style="width:1.261988%;"/><td style="width:1.0%;"/><td style="width:1.0%;"/><td style="width:10.719298%;"/><td style="width:1.0%;"/><td style="width:1.0%;"/><td style="width:2.139181%;"/><td style="width:1.0%;"/><td style="width:1.0%;"/><td style="width:12.619883%;"/><td style="width:1.0%;"/><td style="width:0.1%;"/><td style="width:0.384795%;"/><td style="width:0.1%;"/><td style="width:1.0%;"/><td style="width:12.619883%;"/><td style="width:1.0%;"/></tr><tr><td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="9" style="padding-top:2px;padding-bottom:2px;height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">Three months ended</span></div></td><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="9" style="padding-top:2px;padding-bottom:2px;height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">Six months ended</span></div></td><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/></tr><tr><td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="9" style="padding-top:2px;padding-bottom:2px;height:15pt;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">June 30, &#160;</span></td><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="9" style="padding-top:2px;padding-bottom:2px;height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">June 30,</span></div></td><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/></tr><tr><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">2018</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">2017</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">2018</span></div></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"><div style="line-height:100%;text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">2017</span></div></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Numerator:</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;padding-right:1pt;"/></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:18pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Net income&#160;</span></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">247&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">375&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">472&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">627&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Denominator for basic net income per common share:</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:3pt double #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:3pt double #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:3pt double #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:3pt double #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:18pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Weighted average common shares outstanding&#160;</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">12,963&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">12,831&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">12,941&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">12,818&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Denominator for diluted net income per share:</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:3pt double #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:3pt double #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:3pt double #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:3pt double #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:18pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Weighted average common shares outstanding</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">12,963&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">12,831&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">12,941&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">12,818&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:18pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Dilutive effect of stock options and restricted stock</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">298&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">299&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">274&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">275&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:18pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Diluted weighted average shares</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">13,261&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">13,130&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">13,215&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">13,093&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Earnings per common share:</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:3pt double #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:3pt double #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:3pt double #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:3pt double #000000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:18pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Basic&#160;</span></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">0.02&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">0.03&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">0.04&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">0.05&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:18pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Diluted&#160;</span></td><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">0.02&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">0.03&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">0.04&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">0.05&#160;</span></td></tr></table></div><span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_EarningsPerShareAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_EarningsPerShareAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6371337&amp;loc=d3e3550-109257<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>nonnum:textBlockItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
</div>
</body>
</html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>31
<FILENAME>R19.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
							function toggleNextSibling (e) {
							if (e.nextSibling.style.display=='none') {
							e.nextSibling.style.display='block';
							} else { e.nextSibling.style.display='none'; }
							}</script>
</head>
<body>
<span style="display: none;">v3.10.0.1</span><table class="report" border="0" cellspacing="2" id="idp6638617248">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Segment Information (Tables)<br></strong></div></th>
<th class="th" colspan="1">6 Months Ended</th>
</tr>
<tr><th class="th"><div>Jun. 30, 2018</div></th></tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SegmentReportingAbstract', window );"><strong>Segment Reporting [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock', window );">Schedule of Segment Reporting Information</a></td>
<td class="text"><div style="text-indent:36pt;line-height:120%;text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;vertical-align:bottom;">We are engaged in the business of designing and manufacturing compressors and flares. Our compressors and flares are sold and rented to our customers. In addition, we provide service and maintenance on compressors in our fleet and to third parties.  These business activities are similar in all geographic areas.&#160;&#160;Our manufacturing  process is essentially the same for the entire Company and is performed in-house at our facilities in Midland, Texas and Tulsa, Oklahoma.&#160;&#160;Our customers primarily consist of entities in the business of producing natural gas and crude oil.&#160;&#160;The maintenance and service of our products is consistent across the entire Company and is performed via an internal fleet of vehicles.&#160;&#160;The regulatory environment is similar in every jurisdiction in that the most impacting regulations and practices are the result of federal energy policy.&#160;&#160;In addition, the economic characteristics of each customer arrangement are similar in that we maintain policies at the corporate level.</span></div><div style="line-height:120%;text-align:center;"><span><br/></span></div><div style="line-height:120%;"><span><br/></span></div><div><table style="margin-left:auto;margin-right:auto;border-collapse:collapse;text-align:left;text-indent:0pt;display:inline-table;width:99.415205%;"><tr><td style="width:1.0%;"/><td style="width:44.617647%;"/><td style="width:1.0%;"/><td style="width:1.0%;"/><td style="width:8.000000%;"/><td style="width:1.0%;"/><td style="width:0.1%;"/><td style="width:0.535294%;"/><td style="width:0.1%;"/><td style="width:1.0%;"/><td style="width:6.970588%;"/><td style="width:1.0%;"/><td style="width:0.1%;"/><td style="width:0.535294%;"/><td style="width:0.1%;"/><td style="width:1.0%;"/><td style="width:9.470588%;"/><td style="width:1.0%;"/><td style="width:0.1%;"/><td style="width:0.535294%;"/><td style="width:0.1%;"/><td style="width:1.0%;"/><td style="width:8.000000%;"/><td style="width:1.0%;"/><td style="width:0.1%;"/><td style="width:0.535294%;"/><td style="width:0.1%;"/><td style="width:1.0%;"/><td style="width:8.000000%;"/><td style="width:1.0%;"/></tr><tr><td colspan="30" style="padding-top:2px;padding-bottom:2px;height:14pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:700;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">For the three months ended June 30, 2018 (in thousands):&#160;</span></td><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/></tr><tr><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Rental&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Sales&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Service &amp; Maintenance&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Corporate&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Total&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Revenue&#160;</span></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">11,427&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">6,383&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">394&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">&#8212;&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">18,204&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Operating costs and corporate expenses</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">5,195&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">4,924&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">101&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">7,758&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">17,978&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><div style="line-height:100%;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:400;line-height:100%;vertical-align:bottom;">Total other income, net</span></div></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">&#8212;&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">&#8212;&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">&#8212;&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">75&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">75&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Income before provision for&#160;income taxes&#160;</span></td><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">6,232&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">1,459&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">293&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">(7,683)</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:3pt double #000000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">301&#160;</span></td></tr></table></div><div style="line-height:120%;"><span><br/></span></div><div style="line-height:120%;"><span><br/></span></div><div style="line-height:120%;"><span><br/></span></div><div><table style="margin-left:auto;margin-right:auto;border-collapse:collapse;text-align:left;text-indent:0pt;display:inline-table;width:99.269006%;"><tr><td style="width:1.0%;"/><td style="width:44.833579%;"/><td style="width:1.0%;"/><td style="width:1.0%;"/><td style="width:7.720177%;"/><td style="width:1.0%;"/><td style="width:0.1%;"/><td style="width:0.536377%;"/><td style="width:0.1%;"/><td style="width:1.0%;"/><td style="width:7.572901%;"/><td style="width:1.0%;"/><td style="width:0.1%;"/><td style="width:0.536377%;"/><td style="width:0.1%;"/><td style="width:1.0%;"/><td style="width:10.371134%;"/><td style="width:1.0%;"/><td style="width:0.1%;"/><td style="width:0.536377%;"/><td style="width:0.1%;"/><td style="width:1.0%;"/><td style="width:7.720177%;"/><td style="width:1.0%;"/><td style="width:0.1%;"/><td style="width:0.536377%;"/><td style="width:0.1%;"/><td style="width:1.0%;"/><td style="width:6.836524%;"/><td style="width:1.0%;"/></tr><tr><td colspan="30" style="padding-top:2px;padding-bottom:2px;height:14pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:700;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">For the three months ended June 30, 2017 (in thousands):</span></td><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/></tr><tr><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Rental&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Sales&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Service &amp; Maintenance&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Corporate&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Total&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Revenue</span></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">11,420&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">4,407&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">391&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">&#8212;&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">16,218&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Operating costs and corporate expenses</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">4,255&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">3,745&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">104&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">7,700&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">15,804&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Total other income, net</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">&#8212;&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">&#8212;&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">&#8212;&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">1&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">1&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Income before provision for&#160;&#160;income taxes&#160;</span></td><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">7,165&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">662&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">287&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">(7,699)</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">415&#160;</span></td></tr></table></div><div style="line-height:120%;"><span><br/></span></div><div style="line-height:120%;"><span><br/></span></div><div style="margin-bottom:6pt;"><table style="margin-left:auto;margin-right:auto;border-collapse:collapse;text-align:left;text-indent:0pt;display:inline-table;width:98.538012%;"><tr><td style="width:1.0%;"/><td style="width:44.884273%;"/><td style="width:1.0%;"/><td style="width:1.0%;"/><td style="width:7.643917%;"/><td style="width:1.0%;"/><td style="width:0.1%;"/><td style="width:0.393472%;"/><td style="width:0.1%;"/><td style="width:1.0%;"/><td style="width:7.643917%;"/><td style="width:1.0%;"/><td style="width:0.1%;"/><td style="width:0.393472%;"/><td style="width:0.1%;"/><td style="width:1.0%;"/><td style="width:10.462908%;"/><td style="width:1.0%;"/><td style="width:0.1%;"/><td style="width:0.393472%;"/><td style="width:0.1%;"/><td style="width:1.0%;"/><td style="width:7.940653%;"/><td style="width:1.0%;"/><td style="width:0.1%;"/><td style="width:0.393472%;"/><td style="width:0.1%;"/><td style="width:1.0%;"/><td style="width:7.050445%;"/><td style="width:1.0%;"/></tr><tr><td colspan="30" style="padding-top:2px;padding-bottom:2px;height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:700;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">For the six months ended June 30, 2018 (in thousands):&#160;</span></td><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/></tr><tr><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Rental&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Sales&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Service &amp; Maintenance&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Corporate&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Total&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Revenue&#160;</span></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">22,898&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">9,381&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">643&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">&#8212;&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$32,922&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Operating costs and corporate expenses&#160;</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">9,899&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">7,115&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">166&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">15,166&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">32,346&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Total other income, net&#160;</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">&#8212;&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">&#8212;&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">&#8212;&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">(1)</span></td><td colspan="3" style="background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">(1)</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Income before provision for&#160;income taxes&#160;</span></td><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">12,999&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">2,266&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">477&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">(15,167)</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">575&#160;</span></td></tr></table></div><div style="line-height:120%;"><span><br/></span></div><div style="line-height:120%;"><span><br/></span></div><div style="margin-bottom:6pt;"><table style="margin-left:auto;margin-right:auto;border-collapse:collapse;text-align:left;text-indent:0pt;display:inline-table;width:98.830409%;"><tr><td style="width:1.0%;"/><td style="width:44.745562%;"/><td style="width:1.0%;"/><td style="width:1.0%;"/><td style="width:7.615385%;"/><td style="width:1.0%;"/><td style="width:0.1%;"/><td style="width:0.391716%;"/><td style="width:0.1%;"/><td style="width:1.0%;"/><td style="width:7.615385%;"/><td style="width:1.0%;"/><td style="width:0.1%;"/><td style="width:0.391716%;"/><td style="width:0.1%;"/><td style="width:1.0%;"/><td style="width:10.426036%;"/><td style="width:1.0%;"/><td style="width:0.1%;"/><td style="width:0.391716%;"/><td style="width:0.1%;"/><td style="width:1.0%;"/><td style="width:7.615385%;"/><td style="width:1.0%;"/><td style="width:0.1%;"/><td style="width:0.391716%;"/><td style="width:0.1%;"/><td style="width:1.0%;"/><td style="width:7.615385%;"/><td style="width:1.0%;"/></tr><tr><td colspan="30" style="padding-top:2px;padding-bottom:2px;height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:700;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">For the six months ended June 30, 2017 (in thousands):&#160;</span></td><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/></tr><tr><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Rental&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Sales&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Service &amp; Maintenance&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Corporate&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Total&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Revenue&#160;</span></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">23,342&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">11,044&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">734&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:2pt solid #000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">&#8212;&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;border-top:2pt solid #000;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$35,120&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Operating costs and corporate expenses&#160;</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">8,923&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">9,168&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">198&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">16,074&#160;</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">34,363&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Total other income, net&#160;</span></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">&#8212;&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">&#8212;&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">&#8212;&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">2&#160;</span></td><td colspan="3" style="background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);"/></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">2&#160;</span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">Income before provision for&#160;income taxes&#160;</span></td><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">14,419&#160;</span></td><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">&#8212;&#160;</span></td><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">1,876&#160;</span></td><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">&#8212;&#160;</span></td><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">536&#160;</span></td><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">&#8212;&#160;</span></td><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">(16,072)</span></td><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">&#8212;&#160;</span></td><td style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-left:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:bottom;border-top:1pt solid #000;border-bottom:3pt double #000;padding-right:1pt;"><span style="vertical-align:bottom;font-size:10pt;font-weight:400;font-family:Times New Roman;color:#000000;background-color:rgb(255,255,255, 0.0);">759&#160;</span></td></tr></table></div><span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of the profit or loss and total assets for each reportable segment. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 30<br> -URI http://asc.fasb.org/extlink&amp;oid=68060357&amp;loc=d3e8906-108599<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 25<br> -URI http://asc.fasb.org/extlink&amp;oid=68060357&amp;loc=d3e8813-108599<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 21<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=68060357&amp;loc=d3e8721-108599<br><br>Reference 4: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 350<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=35741047&amp;loc=d3e13816-109267<br><br>Reference 5: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 22<br> -URI http://asc.fasb.org/extlink&amp;oid=68060357&amp;loc=d3e8736-108599<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>nonnum:textBlockItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_SegmentReportingAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_SegmentReportingAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
</div>
</body>
</html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>32
<FILENAME>R20.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
							function toggleNextSibling (e) {
							if (e.nextSibling.style.display=='none') {
							e.nextSibling.style.display='block';
							} else { e.nextSibling.style.display='none'; }
							}</script>
</head>
<body>
<span style="display: none;">v3.10.0.1</span><table class="report" border="0" cellspacing="2" id="idp6800869232">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Basis of Presentation and Summary of Significant Accounting Policies (Details) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th" colspan="2">3 Months Ended</th>
<th class="th" colspan="2">6 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Jun. 30, 2018</div></th>
<th class="th"><div>Jun. 30, 2017</div></th>
<th class="th"><div>Jun. 30, 2018</div></th>
<th class="th"><div>Jun. 30, 2017</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_EntityWideInformationRevenueFromExternalCustomerLineItems', window );"><strong>Revenue from External Customer [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_Revenues', window );">Revenue</a></td>
<td class="nump">$ 18,204<span></span>
</td>
<td class="nump">$ 16,218<span></span>
</td>
<td class="nump">$ 32,922<span></span>
</td>
<td class="nump">$ 35,120<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_TypeOfArrangementAxis=ngs_BillandHoldArrangementMember', window );">Bill and Hold Arrangement</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_EntityWideInformationRevenueFromExternalCustomerLineItems', window );"><strong>Revenue from External Customer [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_Revenues', window );">Revenue</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 6,300<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_EntityWideInformationRevenueFromExternalCustomerLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_EntityWideInformationRevenueFromExternalCustomerLineItems</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_Revenues">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 225<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.5-03.1)<br> -URI http://asc.fasb.org/extlink&amp;oid=63488584&amp;loc=d3e20235-122688<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_Revenues</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_TypeOfArrangementAxis=ngs_BillandHoldArrangementMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_TypeOfArrangementAxis=ngs_BillandHoldArrangementMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
</div>
</body>
</html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>33
<FILENAME>R21.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
							function toggleNextSibling (e) {
							if (e.nextSibling.style.display=='none') {
							e.nextSibling.style.display='block';
							} else { e.nextSibling.style.display='none'; }
							}</script>
</head>
<body>
<span style="display: none;">v3.10.0.1</span><table class="report" border="0" cellspacing="2" id="idp6800989504">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Basis of Presentation and Summary of Significant Accounting Policies Disaggregation of Revenue (Details) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th" colspan="2">3 Months Ended</th>
<th class="th" colspan="2">6 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Jun. 30, 2018</div></th>
<th class="th"><div>Jun. 30, 2017</div></th>
<th class="th"><div>Jun. 30, 2018</div></th>
<th class="th"><div>Jun. 30, 2017</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DisaggregationOfRevenueLineItems', window );"><strong>Disaggregation of Revenue [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax', window );">Revenue from contract with customer, excluding assessed tax</a></td>
<td class="nump">$ 11,347<span></span>
</td>
<td class="nump">$ 9,367<span></span>
</td>
<td class="nump">$ 19,182<span></span>
</td>
<td class="nump">$ 21,119<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RentalIncomeNonoperating', window );">Rental revenue</a></td>
<td class="nump">6,857<span></span>
</td>
<td class="nump">6,851<span></span>
</td>
<td class="nump">13,740<span></span>
</td>
<td class="nump">14,001<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_Revenues', window );">Revenue</a></td>
<td class="nump">18,204<span></span>
</td>
<td class="nump">16,218<span></span>
</td>
<td class="nump">32,922<span></span>
</td>
<td class="nump">35,120<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ProductOrServiceAxis=ngs_CompressorRelatedMember', window );">Compressors - sales</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DisaggregationOfRevenueLineItems', window );"><strong>Disaggregation of Revenue [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax', window );">Revenue from contract with customer, excluding assessed tax</a></td>
<td class="nump">4,735<span></span>
</td>
<td class="nump">2,980<span></span>
</td>
<td class="nump">6,564<span></span>
</td>
<td class="nump">8,620<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ProductOrServiceAxis=ngs_FlaresRelatedMember', window );">Flares - sales</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DisaggregationOfRevenueLineItems', window );"><strong>Disaggregation of Revenue [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax', window );">Revenue from contract with customer, excluding assessed tax</a></td>
<td class="nump">969<span></span>
</td>
<td class="nump">562<span></span>
</td>
<td class="nump">1,491<span></span>
</td>
<td class="nump">831<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ProductOrServiceAxis=ngs_OtherPartsRebuildsMember', window );">Other (Parts/Rebuilds) - sales</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DisaggregationOfRevenueLineItems', window );"><strong>Disaggregation of Revenue [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax', window );">Revenue from contract with customer, excluding assessed tax</a></td>
<td class="nump">679<span></span>
</td>
<td class="nump">866<span></span>
</td>
<td class="nump">1,326<span></span>
</td>
<td class="nump">1,593<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ProductOrServiceAxis=ngs_ServiceandMaintenanceMember', window );">Service and maintenance</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DisaggregationOfRevenueLineItems', window );"><strong>Disaggregation of Revenue [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax', window );">Revenue from contract with customer, excluding assessed tax</a></td>
<td class="nump">4,964<span></span>
</td>
<td class="nump">4,959<span></span>
</td>
<td class="nump">9,801<span></span>
</td>
<td class="nump">10,075<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_Revenues', window );">Revenue</a></td>
<td class="nump">$ 394<span></span>
</td>
<td class="nump">$ 391<span></span>
</td>
<td class="nump">$ 643<span></span>
</td>
<td class="nump">$ 734<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DisaggregationOfRevenueLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DisaggregationOfRevenueLineItems</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RentalIncomeNonoperating">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Income earned by providing the use of assets to an outside party in exchange for a payment or series of payments that is nonoperating in nature.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 225<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.5-03.7)<br> -URI http://asc.fasb.org/extlink&amp;oid=63488584&amp;loc=d3e20235-122688<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RentalIncomeNonoperating</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 606<br> -SubTopic 10<br> -Section 32<br> -Paragraph 2A<br> -URI http://asc.fasb.org/extlink&amp;oid=82859839&amp;loc=SL82860478-203043<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 606<br> -SubTopic 10<br> -Section 50<br> -Paragraph 4<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=82913847&amp;loc=SL49130543-203045<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 606<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=82913847&amp;loc=SL49130539-203045<br><br>Reference 4: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 606<br> -SubTopic 10<br> -Section 50<br> -Paragraph 5<br> -URI http://asc.fasb.org/extlink&amp;oid=82913847&amp;loc=SL49130545-203045<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_Revenues">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 225<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.5-03.1)<br> -URI http://asc.fasb.org/extlink&amp;oid=63488584&amp;loc=d3e20235-122688<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_Revenues</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ProductOrServiceAxis=ngs_CompressorRelatedMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ProductOrServiceAxis=ngs_CompressorRelatedMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ProductOrServiceAxis=ngs_FlaresRelatedMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ProductOrServiceAxis=ngs_FlaresRelatedMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ProductOrServiceAxis=ngs_OtherPartsRebuildsMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ProductOrServiceAxis=ngs_OtherPartsRebuildsMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ProductOrServiceAxis=ngs_ServiceandMaintenanceMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ProductOrServiceAxis=ngs_ServiceandMaintenanceMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
</div>
</body>
</html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>34
<FILENAME>R22.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
							function toggleNextSibling (e) {
							if (e.nextSibling.style.display=='none') {
							e.nextSibling.style.display='block';
							} else { e.nextSibling.style.display='none'; }
							}</script>
</head>
<body>
<span style="display: none;">v3.10.0.1</span><table class="report" border="0" cellspacing="2" id="idp6794623184">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Basis of Presentation and Summary of Significant Accounting Policies Contract Balances (Details) - USD ($)<br></strong></div></th>
<th class="th" colspan="1">6 Months Ended</th>
<th class="th" colspan="1">12 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Jun. 30, 2018</div></th>
<th class="th"><div>Dec. 31, 2017</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccountsReceivableNetCurrentAbstract', window );"><strong>Accounts Receivable</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ContractWithCustomerAssetNetCurrent', window );">Accounts receivable - contracts with customers</a></td>
<td class="nump">$ 7,001,000<span></span>
</td>
<td class="nump">$ 5,454,000<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_ngs_AccountsReceivableExcludingContractsWithCustomerAssetCurrent', window );">Accounts receivable - non-ASC 606</a></td>
<td class="nump">2,817,000<span></span>
</td>
<td class="nump">3,649,000<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccountsReceivableGrossCurrent', window );">Total Accounts Receivable</a></td>
<td class="nump">9,818,000<span></span>
</td>
<td class="nump">9,103,000<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent', window );">Less:Allowance for doubtful accounts</a></td>
<td class="num">(443,000)<span></span>
</td>
<td class="num">(569,000)<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccountsReceivableNetCurrent', window );">Total Accounts Receivable, net</a></td>
<td class="nump">9,375,000<span></span>
</td>
<td class="nump">8,534,000<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ContractWithCustomerLiabilityCurrent', window );">Deferred income</a></td>
<td class="nump">487,000<span></span>
</td>
<td class="nump">185,000<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ContractWithCustomerLiabilityRevenueRecognized', window );">Revenue recognized</a></td>
<td class="nump">$ 0<span></span>
</td>
<td class="nump">$ 1,900,000<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_ngs_AccountsReceivableExcludingContractsWithCustomerAssetCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Accounts Receivable, Excluding Contracts With Customer, Asset, Current</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">ngs_AccountsReceivableExcludingContractsWithCustomerAssetCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>ngs_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AccountsReceivableGrossCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amounts due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer) for goods or services (including trade receivables) that have been delivered or sold in the normal course of business.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(3))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-03(5))<br> -URI http://asc.fasb.org/extlink&amp;oid=6879938&amp;loc=d3e572229-122910<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AccountsReceivableGrossCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AccountsReceivableNetCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), for goods or services (including trade receivables) that have been delivered or sold in the normal course of business, reduced to the estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(3))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(4))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AccountsReceivableNetCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AccountsReceivableNetCurrentAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AccountsReceivableNetCurrentAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>A valuation allowance for trade and other receivables due to an Entity within one year (or the normal operating cycle, whichever is longer) that are expected to be uncollectible.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.4)<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 310<br> -SubTopic 10<br> -Section 50<br> -Paragraph 4<br> -URI http://asc.fasb.org/extlink&amp;oid=84173941&amp;loc=d3e5074-111524<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ContractWithCustomerAssetNetCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount, after allowance for credit loss, of right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time, classified as current.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 606<br> -SubTopic 10<br> -Section 45<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=82913815&amp;loc=SL49130531-203044<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 606<br> -SubTopic 10<br> -Section 45<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=82913815&amp;loc=SL49130533-203044<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ContractWithCustomerAssetNetCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ContractWithCustomerLiabilityCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable, classified as current.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 606<br> -SubTopic 10<br> -Section 50<br> -Paragraph 8<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=82913847&amp;loc=SL49130549-203045<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 606<br> -SubTopic 10<br> -Section 45<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=82913815&amp;loc=SL49130532-203044<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 606<br> -SubTopic 10<br> -Section 45<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=82913815&amp;loc=SL49130531-203044<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ContractWithCustomerLiabilityCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ContractWithCustomerLiabilityRevenueRecognized">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of revenue recognized that was previously included in balance of obligation to transfer good or service to customer for which consideration from customer has been received or is due.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 606<br> -SubTopic 10<br> -Section 50<br> -Paragraph 8<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=82913847&amp;loc=SL49130549-203045<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 270<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1A<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=84173487&amp;loc=SL51747714-108306<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ContractWithCustomerLiabilityRevenueRecognized</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
</div>
</body>
</html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>35
<FILENAME>R23.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
							function toggleNextSibling (e) {
							if (e.nextSibling.style.display=='none') {
							e.nextSibling.style.display='block';
							} else { e.nextSibling.style.display='none'; }
							}</script>
</head>
<body>
<span style="display: none;">v3.10.0.1</span><table class="report" border="0" cellspacing="2" id="idp6791898672">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Basis of Presentation and Summary of Significant Accounting Policies Transaction Price Allocated to the Remaining Performance Obligations (Details)<br> $ in Thousands</strong></div></th>
<th class="th">
<div>Jun. 30, 2018 </div>
<div>USD ($)</div>
</th>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis=2019-07-01', window );">Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2019-07-01</a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems', window );"><strong>Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenueRemainingPerformanceObligation', window );">Service and Maintenance</a></td>
<td class="nump">$ 750<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis=2020-01-01', window );">Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2020-01-01</a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems', window );"><strong>Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenueRemainingPerformanceObligation', window );">Service and Maintenance</a></td>
<td class="nump">1,173<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis=2021-01-01', window );">Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2021-01-01</a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems', window );"><strong>Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenueRemainingPerformanceObligation', window );">Service and Maintenance</a></td>
<td class="nump">1,085<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis=2022-01-01', window );">Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2022-01-01</a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems', window );"><strong>Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenueRemainingPerformanceObligation', window );">Service and Maintenance</a></td>
<td class="nump">1,085<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis=2023-01-01', window );">Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2023-01-01</a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems', window );"><strong>Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenueRemainingPerformanceObligation', window );">Service and Maintenance</a></td>
<td class="nump">145<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis=None', window );">Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: (nil)</a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems', window );"><strong>Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenueRemainingPerformanceObligation', window );">Service and Maintenance</a></td>
<td class="nump">$ 4,238<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RevenueRemainingPerformanceObligation">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of transaction price allocated to performance obligation that has not been recognized as revenue.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 270<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1A<br> -Subparagraph (e)<br> -URI http://asc.fasb.org/extlink&amp;oid=84173487&amp;loc=SL51747714-108306<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 606<br> -SubTopic 10<br> -Section 50<br> -Paragraph 13<br> -Subparagraph (b)(1)<br> -URI http://asc.fasb.org/extlink&amp;oid=82913847&amp;loc=SL49130556-203045<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RevenueRemainingPerformanceObligation</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis=2019-07-01">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis=2019-07-01</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis=2020-01-01">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis=2020-01-01</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis=2021-01-01">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis=2021-01-01</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis=2022-01-01">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis=2022-01-01</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis=2023-01-01">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis=2023-01-01</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis=None">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis=None</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
</div>
</body>
</html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>36
<FILENAME>R24.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
							function toggleNextSibling (e) {
							if (e.nextSibling.style.display=='none') {
							e.nextSibling.style.display='block';
							} else { e.nextSibling.style.display='none'; }
							}</script>
</head>
<body>
<span style="display: none;">v3.10.0.1</span><table class="report" border="0" cellspacing="2" id="idp6791529568">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Stock-Based Compensation - Stock Option Activity (Details) - USD ($)<br> $ / shares in Units, $ in Thousands</strong></div></th>
<th class="th" colspan="1">6 Months Ended</th>
<th class="th" colspan="1">12 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Jun. 30, 2018</div></th>
<th class="th"><div>Dec. 31, 2017</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward', window );"><strong>Number&#160;ofStock Options</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber', window );">Outstanding, beginning of period (in shares)</a></td>
<td class="nump">327,270<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised', window );">Exercised (in shares)</a></td>
<td class="num">(8,500)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod', window );">Canceled/Forfeited (in shares)</a></td>
<td class="nump">500<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber', window );">Outstanding, end of period (in shares)</a></td>
<td class="nump">318,270<span></span>
</td>
<td class="nump">327,270<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber', window );">Exercisable (in shares)</a></td>
<td class="nump">296,738<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward', window );"><strong>Weighted AverageExercise&#160;Price</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice', window );">Outstanding, beginning of period (in USD per share)</a></td>
<td class="nump">$ 20.21<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice', window );">Exercised (in USD per share)</a></td>
<td class="nump">18.51<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice', window );">Canceled/Forfeited (in USD per share)</a></td>
<td class="nump">28.15<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice', window );">Outstanding, end of period (in USD per share)</a></td>
<td class="nump">20.24<span></span>
</td>
<td class="nump">$ 20.21<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice', window );">Exercisable (in USD per share)</a></td>
<td class="nump">$ 19.67<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_ngs_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsWeightedAverageRemainingContractualTermAbstract', window );"><strong>Weighted &#8233;Average &#8233;Remaining &#8233;Contractual Life (years)</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2', window );">Outstanding</a></td>
<td class="text">3 years 9 months 25 days<span></span>
</td>
<td class="text">4 years 3 months 10 days<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1', window );">Exercisable</a></td>
<td class="text">3 years 5 months 19 days<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_ngs_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsIntrinsicValueRollForward', window );"><strong>Aggregate &#8233;Intrinsic &#8233;Value&#8233;(in thousands)</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue', window );">Outstanding, beginning of period</a></td>
<td class="nump">$ 2,255<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue', window );">Exercised</a></td>
<td class="nump">86<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue', window );">Outstanding, end of period</a></td>
<td class="nump">1,579<span></span>
</td>
<td class="nump">$ 2,255<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1', window );">Exercisable</a></td>
<td class="nump">$ 1,579<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_ngs_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsIntrinsicValueRollForward">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Share-based Compensation Arrangements by Share-based Payment Award, Options, Intrinsic Value [Abstract]</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">ngs_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsIntrinsicValueRollForward</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>ngs_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_ngs_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsWeightedAverageRemainingContractualTermAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Share-based Compensation Arrangements by Share-based Payment Award, Options, Weighted Average Remaining Contractual Term [Abstract]</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">ngs_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsWeightedAverageRemainingContractualTermAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>ngs_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (c)(1)(iii)<br> -URI http://asc.fasb.org/extlink&amp;oid=96867065&amp;loc=d3e5070-113901<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (c)(1)(iii)<br> -URI http://asc.fasb.org/extlink&amp;oid=96867065&amp;loc=d3e5070-113901<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:perShareItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (d)(2)<br> -URI http://asc.fasb.org/extlink&amp;oid=96867065&amp;loc=d3e5070-113901<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (c)(1)(iv)(3)<br> -URI http://asc.fasb.org/extlink&amp;oid=96867065&amp;loc=d3e5070-113901<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=96867065&amp;loc=d3e5070-113901<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Number of options outstanding, including both vested and non-vested options.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=96867065&amp;loc=d3e5070-113901<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (c)(1)(i)-(ii)<br> -URI http://asc.fasb.org/extlink&amp;oid=96867065&amp;loc=d3e5070-113901<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (c)(1)(i)<br> -URI http://asc.fasb.org/extlink&amp;oid=96867065&amp;loc=d3e5070-113901<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:perShareItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Weighted average price at which option holders acquired shares when converting their stock options into shares.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:perShareItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Weighted average price at which grantees could have acquired the underlying shares with respect to stock options that were terminated.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:perShareItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=96867065&amp;loc=d3e5070-113901<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=96867065&amp;loc=d3e5070-113901<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:durationItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (e)(1)<br> -URI http://asc.fasb.org/extlink&amp;oid=96867065&amp;loc=d3e5070-113901<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:durationItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Number of share options (or share units) exercised during the current period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(29))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 505<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=84159872&amp;loc=d3e21463-112644<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(28))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br><br>Reference 4: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 505<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.3-04)<br> -URI http://asc.fasb.org/extlink&amp;oid=27012166&amp;loc=d3e187085-122770<br><br>Reference 5: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (c)(1)(iv)(2)<br> -URI http://asc.fasb.org/extlink&amp;oid=96867065&amp;loc=d3e5070-113901<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
</div>
</body>
</html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>37
<FILENAME>R25.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
							function toggleNextSibling (e) {
							if (e.nextSibling.style.display=='none') {
							e.nextSibling.style.display='block';
							} else { e.nextSibling.style.display='none'; }
							}</script>
</head>
<body>
<span style="display: none;">v3.10.0.1</span><table class="report" border="0" cellspacing="2" id="idp6794796176">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Stock-Based Compensation - Stock Options Outstanding (Details)<br></strong></div></th>
<th class="th" colspan="1">6 Months Ended</th>
</tr>
<tr><th class="th">
<div>Jun. 30, 2018 </div>
<div>$ / shares </div>
<div>shares</div>
</th></tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLineItems', window );"><strong>Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions', window );">Options outstanding, shares | shares</a></td>
<td class="nump">318,270<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageRemainingContractualTerm2', window );">Options outstanding, weighted average remaining contractual life (years)</a></td>
<td class="text">3 years 9 months 25 days<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1', window );">Options outstanding, weighted average exercise price (in USD per share)</a></td>
<td class="nump">$ 20.24<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions', window );">Options exercisable, shares | shares</a></td>
<td class="nump">296,738<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1', window );">Options exercisable, weighted average exercise price (in USD per share)</a></td>
<td class="nump">$ 19.67<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis=ngs_RangeOneMember', window );">$0.01-15.70</a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLineItems', window );"><strong>Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit', window );">Range of exercise prices, lower limit (in USD per share)</a></td>
<td class="nump">0.01<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit', window );">Range of exercise prices, upper limit (in USD per share)</a></td>
<td class="nump">$ 15.70<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions', window );">Options outstanding, shares | shares</a></td>
<td class="nump">65,852<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageRemainingContractualTerm2', window );">Options outstanding, weighted average remaining contractual life (years)</a></td>
<td class="text">1 year 21 days<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1', window );">Options outstanding, weighted average exercise price (in USD per share)</a></td>
<td class="nump">$ 9.82<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions', window );">Options exercisable, shares | shares</a></td>
<td class="nump">65,852<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1', window );">Options exercisable, weighted average exercise price (in USD per share)</a></td>
<td class="nump">$ 9.82<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis=ngs_RangeTwoMember', window );">$15.71-17.81</a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLineItems', window );"><strong>Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit', window );">Range of exercise prices, lower limit (in USD per share)</a></td>
<td class="nump">15.71<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit', window );">Range of exercise prices, upper limit (in USD per share)</a></td>
<td class="nump">$ 17.81<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions', window );">Options outstanding, shares | shares</a></td>
<td class="nump">67,750<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageRemainingContractualTerm2', window );">Options outstanding, weighted average remaining contractual life (years)</a></td>
<td class="text">1 year 4 months 13 days<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1', window );">Options outstanding, weighted average exercise price (in USD per share)</a></td>
<td class="nump">$ 17.53<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions', window );">Options exercisable, shares | shares</a></td>
<td class="nump">67,750<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1', window );">Options exercisable, weighted average exercise price (in USD per share)</a></td>
<td class="nump">$ 17.53<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis=ngs_RangeThreeMember', window );">$17.82-20.48</a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLineItems', window );"><strong>Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit', window );">Range of exercise prices, lower limit (in USD per share)</a></td>
<td class="nump">17.82<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit', window );">Range of exercise prices, upper limit (in USD per share)</a></td>
<td class="nump">$ 20.48<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions', window );">Options outstanding, shares | shares</a></td>
<td class="nump">54,250<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageRemainingContractualTerm2', window );">Options outstanding, weighted average remaining contractual life (years)</a></td>
<td class="text">2 years 11 months 19 days<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1', window );">Options outstanding, weighted average exercise price (in USD per share)</a></td>
<td class="nump">$ 19.39<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions', window );">Options exercisable, shares | shares</a></td>
<td class="nump">54,250<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1', window );">Options exercisable, weighted average exercise price (in USD per share)</a></td>
<td class="nump">$ 19.39<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis=ngs_RangeFourMember', window );">$20.49-33.36</a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLineItems', window );"><strong>Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit', window );">Range of exercise prices, lower limit (in USD per share)</a></td>
<td class="nump">20.49<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit', window );">Range of exercise prices, upper limit (in USD per share)</a></td>
<td class="nump">$ 33.36<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions', window );">Options outstanding, shares | shares</a></td>
<td class="nump">130,418<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageRemainingContractualTerm2', window );">Options outstanding, weighted average remaining contractual life (years)</a></td>
<td class="text">6 years 9 months 29 days<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1', window );">Options outstanding, weighted average exercise price (in USD per share)</a></td>
<td class="nump">$ 27.26<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions', window );">Options exercisable, shares | shares</a></td>
<td class="nump">108,886<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1', window );">Options exercisable, weighted average exercise price (in USD per share)</a></td>
<td class="nump">$ 27.09<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLineItems</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The floor of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (g)<br> -URI http://asc.fasb.org/extlink&amp;oid=96867065&amp;loc=d3e5070-113901<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:perShareItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The number of shares reserved for issuance pertaining to the outstanding exercisable stock options as of the balance sheet date in the customized range of exercise prices for which the market and performance vesting condition has been satisfied.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (c)(iii)<br> -URI http://asc.fasb.org/extlink&amp;oid=96867065&amp;loc=d3e5070-113901<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The number of shares reserved for issuance pertaining to the outstanding stock options as of the balance sheet date for all option plans in the customized range of exercise prices.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (c)(1)(i)-(ii)<br> -URI http://asc.fasb.org/extlink&amp;oid=96867065&amp;loc=d3e5070-113901<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The ceiling of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (g)<br> -URI http://asc.fasb.org/extlink&amp;oid=96867065&amp;loc=d3e5070-113901<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:perShareItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Weighted average exercise price as of the balance sheet date for those equity-based payment arrangements exercisable and outstanding.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (c)(1)(iii)<br> -URI http://asc.fasb.org/extlink&amp;oid=96867065&amp;loc=d3e5070-113901<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:perShareItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The weighted average price as of the balance sheet date at which grantees could acquire the underlying shares with respect to all outstanding stock options which are in the customized range of exercise prices.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (c)(1)(i)-(ii)<br> -URI http://asc.fasb.org/extlink&amp;oid=96867065&amp;loc=d3e5070-113901<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:perShareItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageRemainingContractualTerm2">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Weighted average remaining contractual term of outstanding stock options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (e)(1)<br> -URI http://asc.fasb.org/extlink&amp;oid=96867065&amp;loc=d3e5070-113901<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageRemainingContractualTerm2</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:durationItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis=ngs_RangeOneMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis=ngs_RangeOneMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis=ngs_RangeTwoMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis=ngs_RangeTwoMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis=ngs_RangeThreeMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis=ngs_RangeThreeMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis=ngs_RangeFourMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis=ngs_RangeFourMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
</div>
</body>
</html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>38
<FILENAME>R26.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
							function toggleNextSibling (e) {
							if (e.nextSibling.style.display=='none') {
							e.nextSibling.style.display='block';
							} else { e.nextSibling.style.display='none'; }
							}</script>
</head>
<body>
<span style="display: none;">v3.10.0.1</span><table class="report" border="0" cellspacing="2" id="idp6798365808">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Stock-Based Compensation - Summary of Unvested Stock Options (Details) - USD ($)<br></strong></div></th>
<th class="th" colspan="2">3 Months Ended</th>
<th class="th" colspan="1">6 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Jun. 30, 2018</div></th>
<th class="th"><div>Jun. 30, 2017</div></th>
<th class="th"><div>Jun. 30, 2018</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_ngs_EmployeeServiceShareBasedCompensationNonvestedAwardsStockOptionsOutstandingRollForward', window );"><strong>Shares</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares', window );">Unvested, beginning of period (in shares)</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">48,581<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedNumberOfShares', window );">Vested (in shares)</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(26,549)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_ngs_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsCanceledOrForfeitedNumberOfShares', window );">Canceled/Forfeited (in shares)</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(500)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares', window );">Unvested, end of period (in shares)</a></td>
<td class="nump">21,532<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">21,532<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_ngs_EmployeeServiceShareBasedCompensationNonvestedAwardsStockOptionsWeightedAverageGrantDateFairValueRollForward', window );"><strong>Weighted AverageGrant Date Fair Value Per Share</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue', window );">Unvested, weighted average grant date fair value, beginning of period (in USD per share)</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 11.41<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedWeightedAverageGrantDateFairValue', window );">Vested, weighted average grant date fair value (in USD per share)</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">10.97<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_ngs_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsCanceledOrForfeitedWeightedAverageGrantDateFairValue', window );">Canceled/Forfeited, weighted average grant date fair value (in USD per share)</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">11.93<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue', window );">Unvested, weighted average grant date fair value, end of period (in USD per share)</a></td>
<td class="nump">$ 11.93<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 11.93<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AwardTypeAxis=us-gaap_EmployeeStockOptionMember', window );">Stock Options</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_ngs_EmployeeServiceShareBasedCompensationNonvestedAwardsStockOptionsWeightedAverageGrantDateFairValueRollForward', window );"><strong>Weighted AverageGrant Date Fair Value Per Share</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions', window );">Unrecognized compensation cost related to unvested options</a></td>
<td class="nump">$ 192,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 192,000<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1', window );">Unrecognized compensation cost related to awards, weighted average period for recognition</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">2 years<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AllocatedShareBasedCompensationExpense', window );">Share-based compensation expense</a></td>
<td class="nump">$ 97,140<span></span>
</td>
<td class="nump">$ 207,560<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_ngs_EmployeeServiceShareBasedCompensationNonvestedAwardsStockOptionsOutstandingRollForward">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Employee Service Share-based Compensation, Nonvested Awards, Stock Options, Outstanding [Roll Forward]</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">ngs_EmployeeServiceShareBasedCompensationNonvestedAwardsStockOptionsOutstandingRollForward</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>ngs_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_ngs_EmployeeServiceShareBasedCompensationNonvestedAwardsStockOptionsWeightedAverageGrantDateFairValueRollForward">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Employee Service Share-based Compensation, Nonvested Awards, Stock Options, Weighted Average Grant Date Fair Value [Roll Forward]</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">ngs_EmployeeServiceShareBasedCompensationNonvestedAwardsStockOptionsWeightedAverageGrantDateFairValueRollForward</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>ngs_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_ngs_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsCanceledOrForfeitedNumberOfShares">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Share-based Compensation Arrangement By Share-based Payment Award, Options, Nonvested Options Canceled Or Forfeited, Number Of Shares</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">ngs_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsCanceledOrForfeitedNumberOfShares</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>ngs_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_ngs_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsCanceledOrForfeitedWeightedAverageGrantDateFairValue">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Share-based Compensation Arrangement By Share-based Payment Award, Options, Nonvested Options Canceled Or Forfeited, Weighted Average Grant Date Fair Value</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">ngs_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsCanceledOrForfeitedWeightedAverageGrantDateFairValue</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>ngs_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:perShareItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AllocatedShareBasedCompensationExpense">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SAB Topic 14.F)<br> -URI http://asc.fasb.org/extlink&amp;oid=27013229&amp;loc=d3e301413-122809<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=96867065&amp;loc=d3e5047-113901<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (h)(1)(i)<br> -URI http://asc.fasb.org/extlink&amp;oid=96867065&amp;loc=d3e5070-113901<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AllocatedShareBasedCompensationExpense</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (i)<br> -URI http://asc.fasb.org/extlink&amp;oid=96867065&amp;loc=d3e5070-113901<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:durationItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Unrecognized cost of unvested options awarded to employees as compensation.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (i)<br> -URI http://asc.fasb.org/extlink&amp;oid=96867065&amp;loc=d3e5070-113901<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Number of non-vested options outstanding.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Weighted average grant-date fair value of non-vested options outstanding.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:perShareItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedNumberOfShares">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Number of options vested.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedNumberOfShares</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedWeightedAverageGrantDateFairValue">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Weighted average grant-date fair value of options vested.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedWeightedAverageGrantDateFairValue</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:perShareItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AwardTypeAxis=us-gaap_EmployeeStockOptionMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AwardTypeAxis=us-gaap_EmployeeStockOptionMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
</div>
</body>
</html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>39
<FILENAME>R27.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
							function toggleNextSibling (e) {
							if (e.nextSibling.style.display=='none') {
							e.nextSibling.style.display='block';
							} else { e.nextSibling.style.display='none'; }
							}</script>
</head>
<body>
<span style="display: none;">v3.10.0.1</span><table class="report" border="0" cellspacing="2" id="idp6794541040">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Stock-Based Compensation - Restricted Stock (Details) - Restricted Stock - USD ($)<br></strong></div></th>
<th class="th" colspan="1"></th>
<th class="th" colspan="2">6 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Mar. 15, 2018</div></th>
<th class="th"><div>Jun. 30, 2018</div></th>
<th class="th"><div>Jun. 30, 2017</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems', window );"><strong>Share-based Compensation Arrangement by Share-based Payment Award [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AllocatedShareBasedCompensationExpense', window );">Share-based compensation expense</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 978,432<span></span>
</td>
<td class="nump">$ 2,209,455<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized', window );">Total unrecognized compensation expense</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 3,864,982<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1', window );">Unrecognized compensation cost related to awards, vesting period</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">3 years<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_TitleOfIndividualAxis=us-gaap_ChiefExecutiveOfficerMember', window );">Chief Executive Officer</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems', window );"><strong>Share-based Compensation Arrangement by Share-based Payment Award [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod', window );">Grants in period (in shares)</a></td>
<td class="nump">84,700<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1', window );">Award vesting period</a></td>
<td class="text">3 years<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_TitleOfIndividualAxis=us-gaap_ChiefFinancialOfficerMember', window );">Chief Financial Officer</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems', window );"><strong>Share-based Compensation Arrangement by Share-based Payment Award [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod', window );">Grants in period (in shares)</a></td>
<td class="nump">20,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1', window );">Award vesting period</a></td>
<td class="text">3 years<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_TitleOfIndividualAxis=ngs_VicePresidentofTechnicalServicesMember', window );">Vice President of Technical Services</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems', window );"><strong>Share-based Compensation Arrangement by Share-based Payment Award [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod', window );">Grants in period (in shares)</a></td>
<td class="nump">20,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1', window );">Award vesting period</a></td>
<td class="text">3 years<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_TitleOfIndividualAxis=us-gaap_DirectorMember', window );">Directors</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems', window );"><strong>Share-based Compensation Arrangement by Share-based Payment Award [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod', window );">Grants in period (in shares)</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">16,288<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1', window );">Award vesting period</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">1 year<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AllocatedShareBasedCompensationExpense">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SAB Topic 14.F)<br> -URI http://asc.fasb.org/extlink&amp;oid=27013229&amp;loc=d3e301413-122809<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=96867065&amp;loc=d3e5047-113901<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (h)(1)(i)<br> -URI http://asc.fasb.org/extlink&amp;oid=96867065&amp;loc=d3e5070-113901<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AllocatedShareBasedCompensationExpense</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Unrecognized cost of unvested share-based compensation awards.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (i)<br> -URI http://asc.fasb.org/extlink&amp;oid=96867065&amp;loc=d3e5070-113901<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (i)<br> -URI http://asc.fasb.org/extlink&amp;oid=96867065&amp;loc=d3e5070-113901<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:durationItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (a)(1)<br> -URI http://asc.fasb.org/extlink&amp;oid=96867065&amp;loc=d3e5070-113901<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:durationItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (c)(2)(iii)(1)<br> -URI http://asc.fasb.org/extlink&amp;oid=96867065&amp;loc=d3e5070-113901<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AwardTypeAxis=us-gaap_RestrictedStockMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AwardTypeAxis=us-gaap_RestrictedStockMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_TitleOfIndividualAxis=us-gaap_ChiefExecutiveOfficerMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_TitleOfIndividualAxis=us-gaap_ChiefExecutiveOfficerMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_TitleOfIndividualAxis=us-gaap_ChiefFinancialOfficerMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_TitleOfIndividualAxis=us-gaap_ChiefFinancialOfficerMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_TitleOfIndividualAxis=ngs_VicePresidentofTechnicalServicesMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_TitleOfIndividualAxis=ngs_VicePresidentofTechnicalServicesMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_TitleOfIndividualAxis=us-gaap_DirectorMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_TitleOfIndividualAxis=us-gaap_DirectorMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
</div>
</body>
</html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>40
<FILENAME>R28.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
							function toggleNextSibling (e) {
							if (e.nextSibling.style.display=='none') {
							e.nextSibling.style.display='block';
							} else { e.nextSibling.style.display='none'; }
							}</script>
</head>
<body>
<span style="display: none;">v3.10.0.1</span><table class="report" border="0" cellspacing="2" id="idp6791704784">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Inventory (Details) - USD ($)<br></strong></div></th>
<th class="th" colspan="2">6 Months Ended</th>
<th class="th" colspan="1"></th>
</tr>
<tr>
<th class="th"><div>Jun. 30, 2018</div></th>
<th class="th"><div>Jun. 30, 2017</div></th>
<th class="th"><div>Dec. 31, 2017</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_InventoryDisclosureAbstract', window );"><strong>Inventory Disclosure [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_InventoryValuationReserves', window );">Allowance for inventory obsolescence</a></td>
<td class="nump">$ 20,785<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 15,000<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_ngs_InventoryCurrentRawMaterialsNetofReserves', window );">Raw materials - current</a></td>
<td class="nump">19,565,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">22,813,000<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_ngs_InventoryNoncurrentRawMaterialsNetofReserves', window );">Raw materials - long-term</a></td>
<td class="nump">3,467,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">2,829,000<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_InventoryFinishedGoodsNetOfReserves', window );">Finished Goods</a></td>
<td class="nump">1,022,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">1,022,000<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_InventoryWorkInProcessNetOfReserves', window );">Work in process</a></td>
<td class="nump">2,455,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">2,389,000<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_ngs_InventoryCurrentAndNoncurrentNet', window );">Inventory, net</a></td>
<td class="nump">26,509,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 29,053,000<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_ngs_InventoryValuationReservesDeductions', window );">Write-offs of obsolete inventory against allowance</a></td>
<td class="nump">$ 0<span></span>
</td>
<td class="nump">$ 0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_ngs_InventoryCurrentAndNoncurrentNet">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Inventory, Current And Noncurrent, Net</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">ngs_InventoryCurrentAndNoncurrentNet</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>ngs_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_ngs_InventoryCurrentRawMaterialsNetofReserves">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Inventory, Current Raw Materials, Net of Reserves</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">ngs_InventoryCurrentRawMaterialsNetofReserves</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>ngs_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_ngs_InventoryNoncurrentRawMaterialsNetofReserves">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Inventory, Noncurrent Raw Materials, Net of Reserves</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">ngs_InventoryNoncurrentRawMaterialsNetofReserves</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>ngs_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_ngs_InventoryValuationReservesDeductions">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Inventory Valuation Reserves, Deductions</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">ngs_InventoryValuationReservesDeductions</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>ngs_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_InventoryDisclosureAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_InventoryDisclosureAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_InventoryFinishedGoodsNetOfReserves">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Carrying amount, net of valuation reserves and adjustments, as of the balance sheet date of merchandise or goods held by the company that are readily available for sale.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(6)(a)(1))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 330<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SAB Topic 5.BB)<br> -URI http://asc.fasb.org/extlink&amp;oid=27011343&amp;loc=d3e100047-122729<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_InventoryFinishedGoodsNetOfReserves</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_InventoryValuationReserves">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of valuation reserve for inventory.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 330<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SAB TOPIC 5.BB)<br> -URI http://asc.fasb.org/extlink&amp;oid=27011343&amp;loc=d3e100047-122729<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.6(a))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section S99<br> -Paragraph 4<br> -Subparagraph (SX 210.12-09)<br> -URI http://asc.fasb.org/extlink&amp;oid=26873400&amp;loc=d3e24092-122690<br><br>Reference 4: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 330<br> -SubTopic 10<br> -Section 35<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=68049868&amp;loc=d3e3927-108312<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_InventoryValuationReserves</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_InventoryWorkInProcessNetOfReserves">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Carrying amount, net of reserves and adjustments, as of the balance sheet date of merchandise or goods which are partially completed. This inventory is generally comprised of raw materials, labor and factory overhead costs, which require further materials, labor and overhead to be converted into finished goods, and which generally require the use of estimates to determine percentage complete and pricing.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(6)(a)(3))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 330<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SAB Topic 5.BB)<br> -URI http://asc.fasb.org/extlink&amp;oid=27011343&amp;loc=d3e100047-122729<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_InventoryWorkInProcessNetOfReserves</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
</div>
</body>
</html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>41
<FILENAME>R29.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
							function toggleNextSibling (e) {
							if (e.nextSibling.style.display=='none') {
							e.nextSibling.style.display='block';
							} else { e.nextSibling.style.display='none'; }
							}</script>
</head>
<body>
<span style="display: none;">v3.10.0.1</span><table class="report" border="0" cellspacing="2" id="idp6791902688">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Deferred Compensation Plans (Details) - USD ($)<br></strong></div></th>
<th class="th" colspan="2">6 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Jun. 30, 2018</div></th>
<th class="th"><div>Jun. 30, 2017</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PostemploymentBenefitsAbstract', window );"><strong>Postemployment Benefits [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_ngs_DeferredCompensationArrangementwithIndividualMaximumAnnualContributionsPerEmployeePercent', window );">Participant's maximum compensation deferral percentage</a></td>
<td class="nump">90.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LifeInsuranceCorporateOrBankOwnedAmount', window );">Company owned life insurance</a></td>
<td class="nump">$ 1,000,000.0<span></span>
</td>
<td class="nump">$ 754,000<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LifeInsuranceCorporateOrBankOwnedChangeInValue', window );">Loss (gain) on company owned life insurance</a></td>
<td class="nump">55,000<span></span>
</td>
<td class="num">(17,000)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DeferredCompensationArrangementWithIndividualRecordedLiability', window );">Deferred compensation obligation</a></td>
<td class="nump">$ 1,100,000<span></span>
</td>
<td class="nump">$ 713,000<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_ngs_DeferredCompensationArrangementwithIndividualDeferredRestrictedStock', window );">Deferred restricted stock shares (in shares)</a></td>
<td class="nump">103,691<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DeferredCompensationArrangementWithIndividualSharesIssued', window );">Deferred compensation arrangement with individual, shares issued (in shares)</a></td>
<td class="nump">32,936<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DeferredCompensationArrangementWithIndividualFairValueOfSharesIssued', window );">Deferred compensation arrangement, fair value of shares issued</a></td>
<td class="nump">$ 837,589<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_ngs_DeferredCompensationArrangementwithIndividualDeferredRestrictedStock">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Deferred Compensation Arrangement with Individual, Deferred Restricted Stock</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">ngs_DeferredCompensationArrangementwithIndividualDeferredRestrictedStock</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>ngs_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_ngs_DeferredCompensationArrangementwithIndividualMaximumAnnualContributionsPerEmployeePercent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Deferred Compensation Arrangement with Individual, Maximum Annual Contributions Per Employee, Percent</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">ngs_DeferredCompensationArrangementwithIndividualMaximumAnnualContributionsPerEmployeePercent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>ngs_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DeferredCompensationArrangementWithIndividualFairValueOfSharesIssued">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The total fair value of shares issued during the period under a deferred compensation arrangement.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (c)(2)<br> -URI http://asc.fasb.org/extlink&amp;oid=96867065&amp;loc=d3e5070-113901<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DeferredCompensationArrangementWithIndividualFairValueOfSharesIssued</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DeferredCompensationArrangementWithIndividualRecordedLiability">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The carrying amount of the liability as of the balance sheet date to an individual under a deferred compensation arrangement. This amount may be the result of periodic accruals made over the period of active employment, or reflect termination benefits resulting contractual terms or a death benefit.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 710<br> -SubTopic 10<br> -Section 30<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6409875&amp;loc=d3e20015-108363<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DeferredCompensationArrangementWithIndividualRecordedLiability</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DeferredCompensationArrangementWithIndividualSharesIssued">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Number of shares issued pursuant to the terms of a deferred compensation arrangement.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (l)<br> -URI http://asc.fasb.org/extlink&amp;oid=96867065&amp;loc=d3e5070-113901<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DeferredCompensationArrangementWithIndividualSharesIssued</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LifeInsuranceCorporateOrBankOwnedAmount">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>This item represents the amount that could be realized under a life insurance contract or contracts owned by the Entity as of the date of the statement of financial position. Such Entity-owned life insurance policies are commonly known as corporate-owned life insurance (COLI) or bank-owned life insurance (BOLI).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.12)<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 325<br> -SubTopic 30<br> -Section 25<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6384206&amp;loc=d3e41899-111602<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LifeInsuranceCorporateOrBankOwnedAmount</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LifeInsuranceCorporateOrBankOwnedChangeInValue">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The change in cash surrender or contract value during the period which adjusted the amount of premiums paid in determining the expense or income recognized under the contract for the period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 325<br> -SubTopic 30<br> -Section 35<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=6384439&amp;loc=d3e42048-111605<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LifeInsuranceCorporateOrBankOwnedChangeInValue</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PostemploymentBenefitsAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PostemploymentBenefitsAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
</div>
</body>
</html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>42
<FILENAME>R30.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
							function toggleNextSibling (e) {
							if (e.nextSibling.style.display=='none') {
							e.nextSibling.style.display='block';
							} else { e.nextSibling.style.display='none'; }
							}</script>
</head>
<body>
<span style="display: none;">v3.10.0.1</span><table class="report" border="0" cellspacing="2" id="idp6791805024">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Credit Facility (Details) - Revolving Credit Facility<br></strong></div></th>
<th class="th" colspan="1">6 Months Ended</th>
<th class="th" colspan="1"></th>
</tr>
<tr>
<th class="th">
<div>Jun. 30, 2018 </div>
<div>USD ($) </div>
<div>loan</div>
</th>
<th class="th">
<div>Dec. 31, 2017 </div>
<div>USD ($)</div>
</th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LineOfCreditFacilityLineItems', window );"><strong>Line of Credit Facility [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity', window );">Aggregate credit agreement commitment</a></td>
<td class="nump">$ 30,000,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_ngs_LineOfCreditFacilityPotentialIncreaseInBorrowingCapacity', window );">Potential increase in borrowing capacity</a></td>
<td class="nump">20,000,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_ngs_LineOfCreditFacilityPotentialMaximumBorrowingCapacity', window );">Potential maximum borrowing capacity</a></td>
<td class="nump">$ 50,000,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_ngs_LineOfCreditFacilityCurrentBorrowingCapacityComponentPercentageOfEligibleAccountsReceivable', window );">Borrowing base, component, % of eligible accounts receivable</a></td>
<td class="nump">80.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_ngs_LineOfCreditFacilityCurrentBorrowingCapacityComponentPercentageOfEligibleGeneralInventory', window );">Borrowing base, component, % of eligible inventory</a></td>
<td class="nump">50.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_ngs_LineOfCreditFacilityCurrentBorrowingCapacityAllowableShareOfTotalCommitmentAmountAttributableToGeneralInventoryComponent', window );">Borrowing base, allowable share of total commitment amount attributable to inventory component</a></td>
<td class="nump">50.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_ngs_LineOfCreditFacilityCurrentBorrowingCapacityComponentPercentageOfEligibleEquipmentInventory', window );">Borrowing base, component, % of eligible equipment inventory</a></td>
<td class="nump">75.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity', window );">Borrowing base amount available</a></td>
<td class="nump">$ 29,500,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LineOfCreditFacilityInterestRateDuringPeriod', window );">Weighted average interest rate</a></td>
<td class="nump">3.37%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_ngs_LineOfCreditFacilityDefaultTriggerCertainDefaultsOfOtherCompanyIndebtednessAmount', window );">Default trigger, certain defaults of other company indebtedness, amount</a></td>
<td class="nump">$ 50,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_ngs_LineOfCreditFacilityDefaultTriggerRenderingOfCertainJudgmentsAmount', window );">Default trigger, rendering of certain judgments, amount</a></td>
<td class="nump">150,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LineOfCredit', window );">Line of credit balance</a></td>
<td class="nump">$ 417,000<span></span>
</td>
<td class="nump">$ 417,000<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_VariableRateAxis=us-gaap_LondonInterbankOfferedRateLIBORMember', window );">LIBOR Rate</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LineOfCreditFacilityLineItems', window );"><strong>Line of Credit Facility [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_ngs_LineOfCreditFacilityReferenceRateNumberOfAllowableBorrowingsOutstanding', window );">Reference rate, number of allowable LIBOR-based borrowings outstanding | loan</a></td>
<td class="nump">3<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1', window );">Variable rate, applicable margin</a></td>
<td class="nump">1.50%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_VariableRateAxis=ngs_CbFloatingRateMember', window );">CB Floating Rate</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LineOfCreditFacilityLineItems', window );"><strong>Line of Credit Facility [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1', window );">Variable rate, applicable margin</a></td>
<td class="nump">1.50%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RangeAxis=us-gaap_MinimumMember', window );">Minimum</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LineOfCreditFacilityLineItems', window );"><strong>Line of Credit Facility [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_ngs_LineofCreditFacilityCommitmentCoverageRatio', window );">Minimum commitment coverage ratio allowed</a></td>
<td class="nump">2.00<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RangeAxis=us-gaap_MaximumMember', window );">Maximum</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LineOfCreditFacilityLineItems', window );"><strong>Line of Credit Facility [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_ngs_LineofCreditFacilityLeverageRatio', window );">Maximum leverage ratio allowed</a></td>
<td class="nump">2.50<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_ngs_LineOfCreditFacilityCurrentBorrowingCapacityAllowableShareOfTotalCommitmentAmountAttributableToGeneralInventoryComponent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line of Credit Facility, Current Borrowing Capacity, Allowable Share of Total Commitment Amount Attributable to General Inventory Component</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">ngs_LineOfCreditFacilityCurrentBorrowingCapacityAllowableShareOfTotalCommitmentAmountAttributableToGeneralInventoryComponent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>ngs_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_ngs_LineOfCreditFacilityCurrentBorrowingCapacityComponentPercentageOfEligibleAccountsReceivable">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line of Credit Facility, Current Borrowing Capacity, Component, Percentage of Eligible Accounts Receivable</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">ngs_LineOfCreditFacilityCurrentBorrowingCapacityComponentPercentageOfEligibleAccountsReceivable</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>ngs_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_ngs_LineOfCreditFacilityCurrentBorrowingCapacityComponentPercentageOfEligibleEquipmentInventory">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line of Credit Facility, Current Borrowing Capacity, Component, Percentage of Eligible Equipment Inventory</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">ngs_LineOfCreditFacilityCurrentBorrowingCapacityComponentPercentageOfEligibleEquipmentInventory</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>ngs_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_ngs_LineOfCreditFacilityCurrentBorrowingCapacityComponentPercentageOfEligibleGeneralInventory">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line of Credit Facility, Current Borrowing Capacity, Component, Percentage of Eligible General Inventory</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">ngs_LineOfCreditFacilityCurrentBorrowingCapacityComponentPercentageOfEligibleGeneralInventory</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>ngs_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_ngs_LineOfCreditFacilityDefaultTriggerCertainDefaultsOfOtherCompanyIndebtednessAmount">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line of Credit Facility, Default Trigger, Certain Defaults of Other Company Indebtedness, Amount</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">ngs_LineOfCreditFacilityDefaultTriggerCertainDefaultsOfOtherCompanyIndebtednessAmount</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>ngs_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_ngs_LineOfCreditFacilityDefaultTriggerRenderingOfCertainJudgmentsAmount">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line of Credit Facility, Default Trigger, Rendering of Certain Judgments, Amount</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">ngs_LineOfCreditFacilityDefaultTriggerRenderingOfCertainJudgmentsAmount</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>ngs_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_ngs_LineOfCreditFacilityPotentialIncreaseInBorrowingCapacity">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line of Credit Facility, Potential Increase in Borrowing Capacity</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">ngs_LineOfCreditFacilityPotentialIncreaseInBorrowingCapacity</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>ngs_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_ngs_LineOfCreditFacilityPotentialMaximumBorrowingCapacity">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line of Credit Facility, Potential Maximum Borrowing Capacity</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">ngs_LineOfCreditFacilityPotentialMaximumBorrowingCapacity</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>ngs_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_ngs_LineOfCreditFacilityReferenceRateNumberOfAllowableBorrowingsOutstanding">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line of Credit Facility, Reference Rate, Number of Allowable Borrowings Outstanding (e.g. LIBOR Rate, CB Floating Rate, etc.)</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">ngs_LineOfCreditFacilityReferenceRateNumberOfAllowableBorrowingsOutstanding</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>ngs_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:integerItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_ngs_LineofCreditFacilityCommitmentCoverageRatio">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line of Credit Facility, Minimum Commitment Coverage Ratio Allowed</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">ngs_LineofCreditFacilityCommitmentCoverageRatio</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>ngs_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:pureItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_ngs_LineofCreditFacilityLeverageRatio">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line of Credit Facility, Maximum Leverage Ratio Allowed</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">ngs_LineofCreditFacilityLeverageRatio</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>ngs_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:pureItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Percentage points added to the reference rate to compute the variable rate on the debt instrument.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentBasisSpreadOnVariableRate1</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LineOfCredit">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(22))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-03(16))<br> -URI http://asc.fasb.org/extlink&amp;oid=6879938&amp;loc=d3e572229-122910<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-03(16))<br> -URI http://asc.fasb.org/extlink&amp;oid=6876686&amp;loc=d3e534808-122878<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LineOfCredit</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.19(b),22(b))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LineOfCreditFacilityInterestRateDuringPeriod">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The effective interest rate during the reporting period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.19(b),22(b))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LineOfCreditFacilityInterestRateDuringPeriod</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LineOfCreditFacilityLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LineOfCreditFacilityLineItems</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.19(b),22(b))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CreditFacilityAxis=us-gaap_RevolvingCreditFacilityMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CreditFacilityAxis=us-gaap_RevolvingCreditFacilityMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_VariableRateAxis=us-gaap_LondonInterbankOfferedRateLIBORMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_VariableRateAxis=us-gaap_LondonInterbankOfferedRateLIBORMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_VariableRateAxis=ngs_CbFloatingRateMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_VariableRateAxis=ngs_CbFloatingRateMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RangeAxis=us-gaap_MinimumMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RangeAxis=us-gaap_MinimumMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RangeAxis=us-gaap_MaximumMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RangeAxis=us-gaap_MaximumMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
</div>
</body>
</html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>43
<FILENAME>R31.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
							function toggleNextSibling (e) {
							if (e.nextSibling.style.display=='none') {
							e.nextSibling.style.display='block';
							} else { e.nextSibling.style.display='none'; }
							}</script>
</head>
<body>
<span style="display: none;">v3.10.0.1</span><table class="report" border="0" cellspacing="2" id="idp6792719904">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Earnings per Share - Basic and Diluted (Details) - USD ($)<br> $ / shares in Units, $ in Thousands</strong></div></th>
<th class="th" colspan="2">3 Months Ended</th>
<th class="th" colspan="2">6 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Jun. 30, 2018</div></th>
<th class="th"><div>Jun. 30, 2017</div></th>
<th class="th"><div>Jun. 30, 2018</div></th>
<th class="th"><div>Jun. 30, 2017</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_NetIncomeLossAbstract', window );"><strong>Numerator:</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_NetIncomeLoss', window );">Net income</a></td>
<td class="nump">$ 247<span></span>
</td>
<td class="nump">$ 375<span></span>
</td>
<td class="nump">$ 472<span></span>
</td>
<td class="nump">$ 627<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_WeightedAverageNumberOfSharesOutstandingBasicAbstract', window );"><strong>Denominator for basic net income per common share:</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic', window );">Weighted average common shares outstanding (in shares)</a></td>
<td class="nump">12,963,000<span></span>
</td>
<td class="nump">12,831,000<span></span>
</td>
<td class="nump">12,941,000<span></span>
</td>
<td class="nump">12,818,000<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract', window );"><strong>Denominator for diluted net income per share:</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic', window );">Weighted average common shares outstanding (in shares)</a></td>
<td class="nump">12,963,000<span></span>
</td>
<td class="nump">12,831,000<span></span>
</td>
<td class="nump">12,941,000<span></span>
</td>
<td class="nump">12,818,000<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements', window );">Dilutive effect of stock options and restricted stock (in shares)</a></td>
<td class="nump">298,000<span></span>
</td>
<td class="nump">299,000<span></span>
</td>
<td class="nump">274,000<span></span>
</td>
<td class="nump">275,000<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding', window );">Diluted weighted average shares (in shares)</a></td>
<td class="nump">13,261,000<span></span>
</td>
<td class="nump">13,130,000<span></span>
</td>
<td class="nump">13,215,000<span></span>
</td>
<td class="nump">13,093,000<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_EarningsPerShareBasicAndDilutedAbstract', window );"><strong>Earnings per common share:</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_EarningsPerShareBasic', window );">Basic (in USD per share)</a></td>
<td class="nump">$ 0.02<span></span>
</td>
<td class="nump">$ 0.03<span></span>
</td>
<td class="nump">$ 0.04<span></span>
</td>
<td class="nump">$ 0.05<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_EarningsPerShareDiluted', window );">Diluted (in USD per share)</a></td>
<td class="nump">$ 0.02<span></span>
</td>
<td class="nump">$ 0.03<span></span>
</td>
<td class="nump">$ 0.04<span></span>
</td>
<td class="nump">$ 0.05<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems', window );"><strong>Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount', window );">Number of shares not included in the computation of dilutive income per share (in shares)</a></td>
<td class="nump">83,417<span></span>
</td>
<td class="nump">83,917<span></span>
</td>
<td class="nump">83,417<span></span>
</td>
<td class="nump">83,917<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis=ngs_AntidilutiveEffectMember', window );">Antidilutive Effect</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems', window );"><strong>Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit', window );">Exercise price of shares not included in the computation of dilutive income per share, lower limit (in USD per share)</a></td>
<td class="nump">$ 28.15<span></span>
</td>
<td class="nump">$ 28.15<span></span>
</td>
<td class="nump">$ 28.15<span></span>
</td>
<td class="nump">$ 28.15<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit', window );">Exercise price of shares not included in the computation of dilutive income per share, upper limit (in USD per share)</a></td>
<td class="nump">$ 33.36<span></span>
</td>
<td class="nump">$ 33.36<span></span>
</td>
<td class="nump">$ 33.36<span></span>
</td>
<td class="nump">$ 33.36<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=6371337&amp;loc=d3e3550-109257<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_EarningsPerShareBasic">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6371337&amp;loc=d3e3550-109257<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 55<br> -Paragraph 52<br> -URI http://asc.fasb.org/extlink&amp;oid=96948231&amp;loc=d3e4984-109258<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 225<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-04(19))<br> -URI http://asc.fasb.org/extlink&amp;oid=6879464&amp;loc=d3e573970-122913<br><br>Reference 4: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 45<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=96947427&amp;loc=d3e1252-109256<br><br>Reference 5: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 225<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.5-03(21))<br> -URI http://asc.fasb.org/extlink&amp;oid=63488584&amp;loc=d3e20235-122688<br><br>Reference 6: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 225<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-04(23))<br> -URI http://asc.fasb.org/extlink&amp;oid=6879574&amp;loc=d3e536633-122882<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_EarningsPerShareBasic</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:perShareItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_EarningsPerShareBasicAndDilutedAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_EarningsPerShareBasicAndDilutedAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_EarningsPerShareDiluted">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 225<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-04(19))<br> -URI http://asc.fasb.org/extlink&amp;oid=6879464&amp;loc=d3e573970-122913<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 45<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=96947427&amp;loc=d3e1252-109256<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 225<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.5-03(21))<br> -URI http://asc.fasb.org/extlink&amp;oid=63488584&amp;loc=d3e20235-122688<br><br>Reference 4: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 225<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-04(23))<br> -URI http://asc.fasb.org/extlink&amp;oid=6879574&amp;loc=d3e536633-122882<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_EarningsPerShareDiluted</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:perShareItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of share based payment arrangements using the treasury stock method.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6371337&amp;loc=d3e3550-109257<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 45<br> -Paragraph 28A<br> -URI http://asc.fasb.org/extlink&amp;oid=96947427&amp;loc=d3e1500-109256<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_NetIncomeLoss">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 28<br> -URI http://asc.fasb.org/extlink&amp;oid=98514028&amp;loc=d3e3602-108585<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6371337&amp;loc=d3e3550-109257<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 225<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-04(22))<br> -URI http://asc.fasb.org/extlink&amp;oid=6879574&amp;loc=d3e536633-122882<br><br>Reference 4: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 225<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-04(18))<br> -URI http://asc.fasb.org/extlink&amp;oid=6879464&amp;loc=d3e573970-122913<br><br>Reference 5: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 225<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.5-03(20))<br> -URI http://asc.fasb.org/extlink&amp;oid=63488584&amp;loc=d3e20235-122688<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_NetIncomeLoss</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_NetIncomeLossAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_NetIncomeLossAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The floor of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (g)<br> -URI http://asc.fasb.org/extlink&amp;oid=96867065&amp;loc=d3e5070-113901<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:perShareItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The ceiling of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (g)<br> -URI http://asc.fasb.org/extlink&amp;oid=96867065&amp;loc=d3e5070-113901<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:perShareItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 45<br> -Paragraph 16<br> -URI http://asc.fasb.org/extlink&amp;oid=96947427&amp;loc=d3e1505-109256<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=6371337&amp;loc=d3e3550-109257<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=6371337&amp;loc=d3e3550-109257<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 45<br> -Paragraph 10<br> -URI http://asc.fasb.org/extlink&amp;oid=96947427&amp;loc=d3e1448-109256<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_WeightedAverageNumberOfSharesOutstandingBasic</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_WeightedAverageNumberOfSharesOutstandingBasicAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_WeightedAverageNumberOfSharesOutstandingBasicAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis=ngs_AntidilutiveEffectMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis=ngs_AntidilutiveEffectMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
</div>
</body>
</html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>44
<FILENAME>R32.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
							function toggleNextSibling (e) {
							if (e.nextSibling.style.display=='none') {
							e.nextSibling.style.display='block';
							} else { e.nextSibling.style.display='none'; }
							}</script>
</head>
<body>
<span style="display: none;">v3.10.0.1</span><table class="report" border="0" cellspacing="2" id="idp6800917888">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Segment Information (Details)<br> $ in Thousands</strong></div></th>
<th class="th" colspan="2">3 Months Ended</th>
<th class="th" colspan="2">6 Months Ended</th>
</tr>
<tr>
<th class="th">
<div>Jun. 30, 2018 </div>
<div>USD ($) </div>
<div>segment</div>
</th>
<th class="th">
<div>Jun. 30, 2017 </div>
<div>USD ($)</div>
</th>
<th class="th">
<div>Jun. 30, 2018 </div>
<div>USD ($)</div>
</th>
<th class="th">
<div>Jun. 30, 2017 </div>
<div>USD ($)</div>
</th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SegmentReportingInformationLineItems', window );"><strong>Segment Reporting Information [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_NumberOfOperatingSegments', window );">Number of operating segments | segment</a></td>
<td class="nump">1<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_Revenues', window );">Revenue</a></td>
<td class="nump">$ 18,204<span></span>
</td>
<td class="nump">$ 16,218<span></span>
</td>
<td class="nump">$ 32,922<span></span>
</td>
<td class="nump">$ 35,120<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CostsAndExpenses', window );">Operating costs and corporate expenses</a></td>
<td class="nump">17,978<span></span>
</td>
<td class="nump">15,804<span></span>
</td>
<td class="nump">32,346<span></span>
</td>
<td class="nump">34,363<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_NonoperatingIncomeExpense', window );">Total other expense, net</a></td>
<td class="nump">75<span></span>
</td>
<td class="nump">1<span></span>
</td>
<td class="num">(1)<span></span>
</td>
<td class="nump">2<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest', window );">Income before provision for income taxes</a></td>
<td class="nump">301<span></span>
</td>
<td class="nump">415<span></span>
</td>
<td class="nump">575<span></span>
</td>
<td class="nump">759<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ConsolidationItemsAxis=us-gaap_CorporateNonSegmentMember', window );">Corporate</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SegmentReportingInformationLineItems', window );"><strong>Segment Reporting Information [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_Revenues', window );">Revenue</a></td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CostsAndExpenses', window );">Operating costs and corporate expenses</a></td>
<td class="nump">7,758<span></span>
</td>
<td class="nump">7,700<span></span>
</td>
<td class="nump">15,166<span></span>
</td>
<td class="nump">16,074<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_NonoperatingIncomeExpense', window );">Total other expense, net</a></td>
<td class="nump">75<span></span>
</td>
<td class="nump">1<span></span>
</td>
<td class="num">(1)<span></span>
</td>
<td class="nump">2<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest', window );">Income before provision for income taxes</a></td>
<td class="num">(7,683)<span></span>
</td>
<td class="num">(7,699)<span></span>
</td>
<td class="num">(15,167)<span></span>
</td>
<td class="num">(16,072)<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ProductOrServiceAxis=ngs_RentalMember', window );">Rental</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SegmentReportingInformationLineItems', window );"><strong>Segment Reporting Information [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_Revenues', window );">Revenue</a></td>
<td class="nump">11,427<span></span>
</td>
<td class="nump">11,420<span></span>
</td>
<td class="nump">22,898<span></span>
</td>
<td class="nump">23,342<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CostsAndExpenses', window );">Operating costs and corporate expenses</a></td>
<td class="nump">5,195<span></span>
</td>
<td class="nump">4,255<span></span>
</td>
<td class="nump">9,899<span></span>
</td>
<td class="nump">8,923<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_NonoperatingIncomeExpense', window );">Total other expense, net</a></td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest', window );">Income before provision for income taxes</a></td>
<td class="nump">6,232<span></span>
</td>
<td class="nump">7,165<span></span>
</td>
<td class="nump">12,999<span></span>
</td>
<td class="nump">14,419<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ProductOrServiceAxis=ngs_SalesServiceLineMember', window );">Sales</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SegmentReportingInformationLineItems', window );"><strong>Segment Reporting Information [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_Revenues', window );">Revenue</a></td>
<td class="nump">6,383<span></span>
</td>
<td class="nump">4,407<span></span>
</td>
<td class="nump">9,381<span></span>
</td>
<td class="nump">11,044<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CostsAndExpenses', window );">Operating costs and corporate expenses</a></td>
<td class="nump">4,924<span></span>
</td>
<td class="nump">3,745<span></span>
</td>
<td class="nump">7,115<span></span>
</td>
<td class="nump">9,168<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_NonoperatingIncomeExpense', window );">Total other expense, net</a></td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest', window );">Income before provision for income taxes</a></td>
<td class="nump">1,459<span></span>
</td>
<td class="nump">662<span></span>
</td>
<td class="nump">2,266<span></span>
</td>
<td class="nump">1,876<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ProductOrServiceAxis=ngs_ServiceandMaintenanceMember', window );">Service and maintenance</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SegmentReportingInformationLineItems', window );"><strong>Segment Reporting Information [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_Revenues', window );">Revenue</a></td>
<td class="nump">394<span></span>
</td>
<td class="nump">391<span></span>
</td>
<td class="nump">643<span></span>
</td>
<td class="nump">734<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CostsAndExpenses', window );">Operating costs and corporate expenses</a></td>
<td class="nump">101<span></span>
</td>
<td class="nump">104<span></span>
</td>
<td class="nump">166<span></span>
</td>
<td class="nump">198<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_NonoperatingIncomeExpense', window );">Total other expense, net</a></td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest', window );">Income before provision for income taxes</a></td>
<td class="nump">$ 293<span></span>
</td>
<td class="nump">$ 287<span></span>
</td>
<td class="nump">$ 477<span></span>
</td>
<td class="nump">$ 536<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CostsAndExpenses">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Total costs of sales and operating expenses for the period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 225<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.5-03)<br> -URI http://asc.fasb.org/extlink&amp;oid=63488584&amp;loc=d3e20235-122688<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CostsAndExpenses</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 940<br> -SubTopic 20<br> -Section 25<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=68072869&amp;loc=d3e41242-110953<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 225<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.5-03(10))<br> -URI http://asc.fasb.org/extlink&amp;oid=63488584&amp;loc=d3e20235-122688<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 225<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-04(15))<br> -URI http://asc.fasb.org/extlink&amp;oid=6879574&amp;loc=d3e536633-122882<br><br>Reference 4: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 225<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-04(8))<br> -URI http://asc.fasb.org/extlink&amp;oid=6879464&amp;loc=d3e573970-122913<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_NonoperatingIncomeExpense">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The aggregate amount of income or expense from ancillary business-related activities (that is to say, excluding major activities considered part of the normal operations of the business).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 225<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.5-03.7)<br> -URI http://asc.fasb.org/extlink&amp;oid=63488584&amp;loc=d3e20235-122688<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_NonoperatingIncomeExpense</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_NumberOfOperatingSegments">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_NumberOfOperatingSegments</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:integerItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_Revenues">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 225<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.5-03.1)<br> -URI http://asc.fasb.org/extlink&amp;oid=63488584&amp;loc=d3e20235-122688<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_Revenues</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_SegmentReportingInformationLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_SegmentReportingInformationLineItems</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ConsolidationItemsAxis=us-gaap_CorporateNonSegmentMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ConsolidationItemsAxis=us-gaap_CorporateNonSegmentMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ProductOrServiceAxis=ngs_RentalMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ProductOrServiceAxis=ngs_RentalMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ProductOrServiceAxis=ngs_SalesServiceLineMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ProductOrServiceAxis=ngs_SalesServiceLineMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ProductOrServiceAxis=ngs_ServiceandMaintenanceMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ProductOrServiceAxis=ngs_ServiceandMaintenanceMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
</div>
</body>
</html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>45
<FILENAME>R33.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
							function toggleNextSibling (e) {
							if (e.nextSibling.style.display=='none') {
							e.nextSibling.style.display='block';
							} else { e.nextSibling.style.display='none'; }
							}</script>
</head>
<body>
<span style="display: none;">v3.10.0.1</span><table class="report" border="0" cellspacing="2" id="idp6639131552">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Commitments and Contingencies (Details)<br> $ in Millions</strong></div></th>
<th class="th">
<div>Jun. 30, 2018 </div>
<div>USD ($)</div>
</th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CommitmentsAndContingenciesDisclosureAbstract', window );"><strong>Commitments and Contingencies Disclosure [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ContractualObligation', window );">Contractual obligation</a></td>
<td class="nump">$ 8.9<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CommitmentsAndContingenciesDisclosureAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CommitmentsAndContingenciesDisclosureAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ContractualObligation">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of contractual obligation, including but not limited to, long-term debt, capital lease obligations, operating lease obligations, purchase obligations, and other commitments.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ContractualObligation</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
</div>
</body>
</html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EXCEL
<SEQUENCE>46
<FILENAME>Financial_Report.xlsx
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
begin 644 Financial_Report.xlsx
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MMWF\81AU8\K(XK%T-8943OTJDH\ Q:X831F:3LTXXFBD(3^ G/,6+V2?$9/
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MT&%/"7C-@<EI8CB-70M7P 0CC"Y]%]#,Q%+]$ULZP,[),=DY-0Q#/2Q++N_
MX?WYZ;6L6]D^D>HUYE?)"CH%W+#+Y+?E_</VD<E%P]=5D\_=EM\*OA9\]3&Y
M_O"["CMO[,[^8^.+H&SAU[^07U!+ P04    " !B>@E-F5R<(Q &  "<)P
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MTSB=INZ\OWW:N5V,W67Y;!7=OYWM_@=02P,$%     @ 8GH)3=B09?JR @
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M4^X EZ2MK"\IF:S+$#-R-5[@UM3&"F))=.RPAY+V4!]Q8<*N1?G%QQ.$'8+
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MSB/EN\A;-9%K%G!>)(NWU=<>Y&5M09!LJ0"0E4?])8!2=:Z[.+FSVX;F<;Q
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M96/_&T0'7LKNRH]0YS_88DAH7#B^]V<SC=ED..SG'\26;US^!%!+ P04
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M8*NAH''A^-Z?S3QFL^%P6'X06[]Q^1=02P,$%     @ 8GH)35,%JYJS 0
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M[GA*0WP,^"%AM*LS"95<$)^"\;G*:1($@8+2!0;AMRL\@%*!R,OX-7/2)64
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M!!VV/BLV;0O5Q9/DN/O[4;+KNIW7%TFD> X/*2H;C'UR+8 GSTIJE]/6^^[
MF"M;4-Q=F0XTWM3&*N[1M USG05>19"2+-ULKIGB0M,BB[Z3+3+3>RDTG"QQ
MO5+<_CF"-$-.$_KB>!!-ZX.#%5G'&_@!_F=WLFBQF:42"K031A,+=4YOD\-Q
M%^)CP"\!@UN<2:CD;,Q3,+Y6.=T$02"A](&!XW:!.Y R$*&,WQ,GG5,&X/+\
MPOXEUHZUG+F#.R,?1>7;G-Y04D'->^D?S' /4SU[2J;BO\$%)(8')9BC--+%
ME92]\T9-+"A%\>=Q%SKNPWBS3R?8.B"= .D,N(EYV)@H*O_,/2\R:P9BQ]YW
M/#QQ<DBQ-V5PQE;$.Q3OT'LIDGV2L4L@FF*.8TRZC)DC&++/*=*U%,?T'WBZ
M#M^N*MQ&^/:-PO\0[%8)=I%@]V&):S';=TG8HJ<*;!.GR9'2]#I.\L([#^QM
M?$3V&CY.^W=N&Z$=.1N/+QO[7QOC :5LKG"$6OQ@LR&A]N'X"<]V'+/1\*:;
M?A";OW'Q%U!+ P04    " !B>@E- :^]= @"   T!@  &0   'AL+W=O<FMS
M:&5E=',O<VAE970Q-"YX;6QU56UOFS 0_BN('U # ?(B0&HZ59NT25&G=9\=
M<@%4&U/;"=V_GVT(8_3R!?N.YY[GSN:.K!?R3=4 VOO@K%6Y7VO=[0A190V<
MJ@?106O>G(7D5!M35D1U$NC)!7%&HB!(":=-ZQ>9\QUDD8F+9DT+!^FI"^=4
M_MD#$WWNA_[-\=)4M;8.4F0=K> GZ%_=01J+3"RGAD.K&M%Z$LZY_QCN]F%@
M QSBM8%>S?:>+>4HQ)LUOIUR/[ 9 8-26PIJEBL\ 6.6R>3Q/I+ZDZ8-G.]O
M[,^N>%/,D2IX$NQW<])U[F]\[P1G>F'Z1?1?82PH\;VQ^N]P!6;@-A.C40JF
MW-,K+TH+/K*85#C]&-:F=6L_\M_"\(!H#(@6 600<IE_H9H6F12])X?#[ZB]
MXW 7F;,IK=,=A7MGDE?&>RW"),[(U1*-F/V B>:8"4$,^R0181+[Z%-XA(>O
MT Q7+GPU5U_=(8A1@M@1Q/^5F"Q*Q# I+I*@(@E"L%Z(8)@-+I*B(BE"L%V(
M()@TP$76J,@:(0@7(ACFSIUL4)$-0K!:B&"8&!?9HB);A&!Y\1CFSL6;X8-V
M4/"9(MXL6P@!I>N%#IDU+0=9N7&EO%)<6C<K9]YI)#Y&KNG_P8=Y^H/*JFF5
M=Q3:C [7X&<A-)A<@@?S'=9FA$\&@[.VV[79RV&.#886W3BCR?2C*/X"4$L#
M!!0    ( &)Z"4V%)*.ZU $  )P$   9    >&PO=V]R:W-H965T<R]S:&5E
M=#$U+GAM;'54VV[<(!#]%<0'!%]VO=N5;2F;*&JE1EJE:O+,VN.+ L8%O$[^
MOH =Q]V2%\,,9\Z9P3.DHY"OJ@'0Z(VS3F6XT;H_$***!CA5-Z*'SIQ40G*J
MC2EKHGH)M'1!G)$H"!+":=OA/'6^D\Q3,6C6=G"22 V<4_E^!";&#(?XP_'4
MUHVV#I*G/:WA%^C?_4D:BRPL9<NA4ZWHD(0JP[?AX9A8O ,\MS"JU1[92LY"
MO%KC1YGAP"8$# IM&:A9+G 'C%DBD\:?F1,ODC9PO?]@?W"UFUK.5,&=8"]M
MJ9L,[S$JH:(#TT]B_ YS/5N,YN)_P@68@=M,C$8AF')?5 Q*"SZSF%0X?9O6
MMG/K.)WL]G.8/R": Z(E8.]TR"3D,K^GFN:I%".2T]WWU/[B\!"9NRFLTUV%
M.S/)*^.]Y&&R3\G%$LV8XX2)UI@%00S[(A'Y)([1?^&1/SSV9AB[\'BM'G]!
ML/$2;!S!YI\2OUV5Z,'L K_(UBNR]1"$5R(^S!>5)%Z1Q$,07XGX,)LK$;+J
M#@ZR=G.A4"&&SLWDRKN,WFWDNNL3/LWM(Y5UVRET%MKTJ.ND2@@-)I7@QA3<
MF*=B,1A4VFYW9B^G@9D,+?KY+2#+@Y3_!5!+ P04    " !B>@E-$;OL<=,!
M  "<!   &0   'AL+W=O<FMS:&5E=',O<VAE970Q-BYX;6QM5&%OFS 0_2N6
M?T!-2"!9!$A-IZF35BGJM.VS P=8M3&U36C__6Q#&4O]!?O.[]Z[,W?.1JE>
M= M@T)O@G<YQ:TQ_)$27+0BJ[V0/G3VII1+46%,U1/<*:.6#!"=Q%*5$4-;A
M(O.^LRHR.1C..C@KI <AJ'H_ 9=CCC?XP_',FM8X!RFRGC;P$\RO_JRL11:6
MB@GH-),=4E#G^'YS/*4.[P&_&8QZM4>NDHN4+\[X7N4X<@D!A](X!FJ7*SP
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MCM HH;'EK LB/+66PM(%L9A9<[1R02D;LQ5"O)B&B*R1C00C]1ANMQ;08OH
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ME7E-]'O=W1"ZAI*'_O837*Y@LW]02P,$%     @ 8GH)32RM5D]I @  V <
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MB9RSH=<,"T&[L8]Z4S,O_@%02P,$%     @ 8GH)3;GW.; V @  .P@  !D
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M!W"0& P2 T%B&)" @&2YS!0$I MD#C;QC4R,TYDH&1@E Z(D," ' ?ERG3B
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M:T E4+<JD *^]:B:J\AF_3V BFD[81IH;PR; P;,(?/;VX&F1E8&2H]A9\"
M,V1^TSK0E ;1PO./K4/]XZEA^\"0??B=X$!%2,Y E$RFHY;+HQTD5;03E\Y.
ML9/=<5B]M[-J\A<^3+I?F#S6G8H>A38SFIVD#D)H;L2D"U.5DQFNQT7##[I_
M+<R['";,8:'%V4W/R3C"K_\ 4$L#!!0    ( &)Z"4W.[:C+V@,  !<3   9
M    >&PO=V]R:W-H965T<R]S:&5E=#(U+GAM;)68ZV[;.!"%7T70 TCB1;?
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M:,1^G&YS==_/1S7SPRA/YA@JOIZ%;?X#4$L#!!0    ( &)Z"4V\*O4XR0(
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MR,16-;=C?5^UQ_!VH&1I7S&"[CUG\0]02P,$%     @ 8GH)33.*X5)3 P
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MU&>[\$D76J$>6D3W>PC!0]2*H0(0N.Z4DF  4.49RA?@\7D%;%X!4SHTP<N
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M1@QE1#"PYP/>(X!Z!%5Y!SU2^3BR'D>BA\A].KQA =U(494S6R3E&YP0I8(
M<$H4 B!O7UR'H1YP8N!M%*B-FJ&9YJT*PE^0.&\)0"V!2IPNU-(0%7 0?@=D
MH$!)7%L*:3F@;LD[@Z3.0-4MF76:;.U8"&^].8@\,APT--^2-P5)38$J6XYO
MK<:1]3@2/43NT^$=2M*M%5%VQ_1/8L!@=^$@'&G-0$KCMW0&\B66M=L[L4QM
MOF^.CXO))KN<REJ-O;NW(^J7YH0:W5^*Z4HP]]=B&K4GI!_AV_/P/^-\?SP5
MD[>L++.T.0W=95EIJ[%[GZN9.-AX>[M([*ZL?^KJ=]Z>0[<797;NSMC=VT'_
MXG]02P,$%     @ 8GH)34=\^_&@ 0  6P,  !D   !X;"]W;W)K<VAE971S
M+W-H965T,S,N>&UL;5/;CILP$/T5RQ\0@PGM-@*D9JNJE5HIVJKMLP-#L-;&
MU';"]N\[MEE$5WEA+CYSYLS85+.QSVX \.1%J]'5=/!^.C#FV@&T<#LSP8@G
MO;%:> SMA;G)@NABD5:,9]D[IH4<:5/%W,DVE;EZ)4<X6>*N6@O[]PC*S#7-
MZ6OB25X&'Q*LJ29Q@1_@?TXGBQ%;63JI8732C,1"7]./^>%8!'P$_)(PNXU/
MPB1G8YY#\+6K:18$@8+6!P:!Y@:/H%0@0AE_%DZZM@R%6_^5_7.<'6<Y"P>/
M1OV6G1]J^D!)![VX*O]DYB^PS%-2L@S_#6Z@$!Z48(_6*!>_I+TZ;_3"@E*T
M>$E6CM'.Z:3<+V7W"_A2P-<"GF9)C:+R3\*+IK)F)C;M?A+ABO,#Q]VT(1E7
M$<]0O,/LK2G*?<5N@6C!'!.&;S \SU<,0_ZU";_;A$>"8D.0E_P^07&7H(@$
M^_]4EF]4)DR>1= 800^[#V^ZL,U>PK/[+NQ%CHZ<C<<5QT7TQGA PFR'=SG@
M2U\#!;T/[GOT;;KO%'@S+4^9K?]3\P]02P,$%     @ 8GH)39X.$XDF.P
M/14! !0   !X;"]S:&%R9613=')I;F=S+GAM;.U]:7,;27+H9[]?42'3NV1$
M$T+CAK2>"(BB9*XE4B:EF7 X_*$!-,A>-;NQ?8CBAG^\\ZJC+Q#4:IY?^"%V
M1R2!.K.R\LZL/^5YH<HD^FL9GJ5E4OSSB^%X\D)]OX^3_)]?W!7%]M7+E_GJ
M+KP/\EZZ#1/X9I-F]T$!?V:W+_-M%@;K_"X,B_OXY:#?G[R\#Z+DQ2]_RJ-?
M_E3\\C9=E?=A4J@@6:OSI(B*1W61\ A1FJA3E=\%69C_Z67QRY]>8A_N-U$?
MTZ2XRZ'/.ES7O_USF?34L.^I0=^?U;]<E+<]U1^V?_G4>OYCL<R++%@5_UGO
M*8VOP]L(6\ 0E\%]6&]UN?C\Y7KQ0;U?W*B;\^M?+\[.;]3[ZZLOG]3%Y5G'
MF&>PH"R(82'K\+OZU_"QWNZLS#)<]+LH7T&[?P^## &CW@9%8P6GI_[@=.AW
M3/4NBL-,G4&_VS1KS+-8K4+X'KY=<\M.\'U^W#9F]ONG_];9X5.81>FZ<]7Z
M1/_//_S#SF-S(? ./FP@3KVES-O:]M\&#0! US5WCX/;^K>;(,X;*]=GF-[?
M _[<%.GJJZ=N"*G555GD!6!:E#3&.DOAL),<  V_Y6D<K0GJ;X(X2%8A#  W
M*E?'7Y*@7$?PS0E<E2\W;]7QT8DZ4E&B/M^E90YC-R$0K@"4/N'_M N3%GD.
MX[]J?!WD=W0U5OA+^-<R^A;$T+XQR><L6(<J6*V0:.0J"U<A-%W&H:>2L%#I
M1@5QG#[07N!VJ75:+HM-&=LNT.1H-!K2;$?CR=R#0?)MN"JB;V'<P,R+Y!LL
MHP5E/V7A-HC6 )%5>A^J(OC>)":Z3?A]BR#/:<ZTN&OB]^>T )Q9"9 " E*]
MS8<TN3TMPNP>YI1%=6PZ7<+!AODJQ ]POP.?M^N/=^_V&H:%=2#\MXB-=OP5
M8'<9$ZJL0Z"]JXCI%H[NC\?>?#:7*49C;S;V=\_S*0.2G@'V8I?GSN9[_G0B
MD_G>8#K:/=?[-%T_1''</%FX(;<1H$[>.G%PGV9%]#=G8F\R'\N\WF0XV#WM
M%1YSQTGR:;=_IR_*ARA81G%41&'SMBPT+F^#1\3]EN^S$K80VS&:EW43PD0:
M?W?CXXYQ/D0)H=@*QHKP!-/D5'?;(@#3Y(FI\>J8&3K &!O4W[$47O..!D@J
MHP(QC6_B"C@]4$BX)=!8'5^F1:AF)[5>*)*\RK?!*OSG%X")>9A]"U_\HNIC
M$_V]2^-UF.5_^,?9P)^^5N> V,5CX_2 *@@ <B;:8Z_?[XL\HH*RN$NSZ&_A
M&H&I/XWR' \4[_8NTDZL0$8%IM8Q[!9X&)#7,E1'_5[??ZW\@3>?S @F\.ML
MUJ]-2V3+SKL;\1=K0 0X=C@+)'ZGP#)6P3:"LVE2FP)$-A@?F&H"XW:<:.Z
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MYS:D.77>8Z:"[6,\'^$S8A7F%D: %1$HI"LV;,@FVB>#^[IDV\>*H"-S;TI
MP@U[:?5Y(&+5#V364V)P@I^K% @=P8WXV"/M\4P3NW5*6+JX.5.3_L0S_4CP
M T64N&G.!WL&1 8$B@Q4HA?2X07I17\. 'V S)C9X4X'LC7/)=) *'/%UW5-
M7,"]';PZW&LFB\B<Q0=(WXL L&S-QJ=>=2/ CB.[$57F."9A'%MRR9BTV0!
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MX[2Y 0=S#/N:J\%T!/^-E7Z_KZ'4R6K\H3>84/$:?]BGO_PQ_NC/AZJ"FE7
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M7;*"W=XF6MO4=I#RQ,2(B[Q1@F5U@L(A%VW)@745824OW( >*WM(X;,'%$5
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MQEH>%Y4DKJJB[)1^IW[&RRQD:N>I/_OYT87V:E_;1W,6+0_IG'8C&@H!B!M
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MQG&3'?A="'7V<EL;A:4BVV@ZQV."&TR1E50YJ*%,A'LHC1D45HZB965'+>O
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M;W)S*$C+])U=H@LF>+0_6N'18IBU'"@2/-J?(*<MOW0%QR=Q^@U02P,$%
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M   :    >&PO7W)E;',O=V]R:V)O;VLN>&UL+G)E;'/%V$UNPC 0AN&KH!P
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M;G1?5'EP97-=+GAM;,V8WV["(!2'7\7T=K$(W=R?J#?;;C>3[058>VJ)+1!
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MAS'+0WW6_6>=?0%02P$"% ,4    " !B>@E-'R// \     3 @  "P
M        @ $     7W)E;',O+G)E;'-02P$"% ,4    " !B>@E-9O,+8((
M  "Q    $               @ 'I    9&]C4')O<',O87!P+GAM;%!+ 0(4
M Q0    ( &)Z"4T!7&K_[@   "L"   1              "  9D!  !D;V-0
M<F]P<R]C;W)E+GAM;%!+ 0(4 Q0    ( &)Z"4V97)PC$ 8  )PG   3
M          "  ;8"  !X;"]T:&5M92]T:&5M93$N>&UL4$L! A0#%     @
M8GH)30A/H4E5 @  KP<  !@              ( !]P@  'AL+W=O<FMS:&5E
M=',O<VAE970Q+GAM;%!+ 0(4 Q0    ( &)Z"4TU,I2#! 0  $<3   8
M          "  8(+  !X;"]W;W)K<VAE971S+W-H965T,BYX;6Q02P$"% ,4
M    " !B>@E-V)!E^K("  "*"@  &               @ &\#P  >&PO=V]R
M:W-H965T<R]S:&5E=#,N>&UL4$L! A0#%     @ 8GH)34GA<AJ7!0  ]AX
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M965T."YX;6Q02P$"% ,4    " !B>@E-2SY14K0!  #2 P  &
M    @ &](@  >&PO=V]R:W-H965T<R]S:&5E=#DN>&UL4$L! A0#%     @
M8GH)35,%JYJS 0  T@,  !D              ( !IR0  'AL+W=O<FMS:&5E
M=',O<VAE970Q,"YX;6Q02P$"% ,4    " !B>@E-*SL ?[0!  #2 P  &0
M            @ &1)@  >&PO=V]R:W-H965T<R]S:&5E=#$Q+GAM;%!+ 0(4
M Q0    ( &)Z"4TS74!KM0$  -(#   9              "  7PH  !X;"]W
M;W)K<VAE971S+W-H965T,3(N>&UL4$L! A0#%     @ 8GH)340HU#"T 0
MT@,  !D              ( !:"H  'AL+W=O<FMS:&5E=',O<VAE970Q,RYX
M;6Q02P$"% ,4    " !B>@E- :^]= @"   T!@  &0              @ %3
M+   >&PO=V]R:W-H965T<R]S:&5E=#$T+GAM;%!+ 0(4 Q0    ( &)Z"4V%
M)*.ZU $  )P$   9              "  9(N  !X;"]W;W)K<VAE971S+W-H
M965T,34N>&UL4$L! A0#%     @ 8GH)31&[[''3 0  G 0  !D
M     ( !G3   'AL+W=O<FMS:&5E=',O<VAE970Q-BYX;6Q02P$"% ,4
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M+GAM;%!+ 0(4 Q0    ( &)Z"4U:OGNG0P,  (X-   9              "
M =0Z  !X;"]W;W)K<VAE971S+W-H965T,C$N>&UL4$L! A0#%     @ 8GH)
M32RM5D]I @  V <  !D              ( !3CX  'AL+W=O<FMS:&5E=',O
M<VAE970R,BYX;6Q02P$"% ,4    " !B>@E-N?<YL#8"   ["   &0
M        @ 'N0   >&PO=V]R:W-H965T<R]S:&5E=#(S+GAM;%!+ 0(4 Q0
M   ( &)Z"4W8JQRS_0(  ,X+   9              "  5M#  !X;"]W;W)K
M<VAE971S+W-H965T,C0N>&UL4$L! A0#%     @ 8GH)3<[MJ,O: P  %Q,
M !D              ( !CT8  'AL+W=O<FMS:&5E=',O<VAE970R-2YX;6Q0
M2P$"% ,4    " !B>@E-O"KU.,D"   R"@  &0              @ &@2@
M>&PO=V]R:W-H965T<R]S:&5E=#(V+GAM;%!+ 0(4 Q0    ( &)Z"4W:F^ S
MD (  %$*   9              "  :!-  !X;"]W;W)K<VAE971S+W-H965T
M,C<N>&UL4$L! A0#%     @ 8GH)31 RU1-\ @  ' @  !D
M ( !9U   'AL+W=O<FMS:&5E=',O<VAE970R."YX;6Q02P$"% ,4    " !B
M>@E-2H=V1%@"   G!P  &0              @ $:4P  >&PO=V]R:W-H965T
M<R]S:&5E=#(Y+GAM;%!+ 0(4 Q0    ( &)Z"4V7V_D(_ (  /,,   9
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M9IX  'AL+W-T>6QE<RYX;6Q02P$"% ,4    " !B>@E-H"^<:K\"  #E%0
M#P              @ '0H   >&PO=V]R:V)O;VLN>&UL4$L! A0#%     @
M8GH)36M_$;U^ 0  V!0  !H              ( !O*,  'AL+U]R96QS+W=O
M<FMB;V]K+GAM;"YR96QS4$L! A0#%     @ 8GH)3<P5_4B3 0  ;Q4  !,
M             ( !<J4  %M#;VYT96YT7U1Y<&5S72YX;6Q02P4&     "H
,*@!8"P  -J<

end
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>47
<FILENAME>Show.js
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
/**
 * Rivet Software Inc.
 *
 * @copyright Copyright (c) 2006-2011 Rivet Software, Inc. All rights reserved.
 * Version 2.4.0.3
 *
 */

var Show = {};
Show.LastAR = null,

Show.hideAR = function(){
	Show.LastAR.style.display = 'none';
};

Show.showAR = function ( link, id, win ){
	if( Show.LastAR ){
		Show.hideAR();
	}

	var ref = link;
	do {
		ref = ref.nextSibling;
	} while (ref && ref.nodeName != 'TABLE');

	if (!ref || ref.nodeName != 'TABLE') {
		var tmp = win ?
			win.document.getElementById(id) :
			document.getElementById(id);

		if( tmp ){
			ref = tmp.cloneNode(true);
			ref.id = '';
			link.parentNode.appendChild(ref);
		}
	}

	if( ref ){
		ref.style.display = 'block';
		Show.LastAR = ref;
	}
};

Show.toggleNext = function( link ){
	var ref = link;

	do{
		ref = ref.nextSibling;
	}while( ref.nodeName != 'DIV' );

	if( ref.style &&
		ref.style.display &&
		ref.style.display == 'none' ){
		ref.style.display = 'block';

		if( link.textContent ){
			link.textContent = link.textContent.replace( '+', '-' );
		}else{
			link.innerText = link.innerText.replace( '+', '-' );
		}
	}else{
		ref.style.display = 'none';

		if( link.textContent ){
			link.textContent = link.textContent.replace( '-', '+' );
		}else{
			link.innerText = link.innerText.replace( '-', '+' );
		}
	}
};
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>48
<FILENAME>report.css
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
/* Updated 2009-11-04 */
/* v2.2.0.24 */

/* DefRef Styles */
..report table.authRefData{
	background-color: #def;
	border: 2px solid #2F4497;
	font-size: 1em;
	position: absolute;
}

..report table.authRefData a {
	display: block;
	font-weight: bold;
}

..report table.authRefData p {
	margin-top: 0px;
}

..report table.authRefData .hide {
	background-color: #2F4497;
	padding: 1px 3px 0px 0px;
	text-align: right;
}

..report table.authRefData .hide a:hover {
	background-color: #2F4497;
}

..report table.authRefData .body {
	height: 150px;
	overflow: auto;
	width: 400px;
}

..report table.authRefData table{
	font-size: 1em;
}

/* Report Styles */
..pl a, .pl a:visited {
	color: black;
	text-decoration: none;
}

/* table */
..report {
	background-color: white;
	border: 2px solid #acf;
	clear: both;
	color: black;
	font: normal 8pt Helvetica, Arial, san-serif;
	margin-bottom: 2em;
}

..report hr {
	border: 1px solid #acf;
}

/* Top labels */
..report th {
	background-color: #acf;
	color: black;
	font-weight: bold;
	text-align: center;
}

..report th.void	{
	background-color: transparent;
	color: #000000;
	font: bold 10pt Helvetica, Arial, san-serif;
	text-align: left;
}

..report .pl {
	text-align: left;
	vertical-align: top;
	white-space: normal;
	width: 200px;
	white-space: normal; /* word-wrap: break-word; */
}

..report td.pl a.a {
	cursor: pointer;
	display: block;
	width: 200px;
	overflow: hidden;
}

..report td.pl div.a {
	width: 200px;
}

..report td.pl a:hover {
	background-color: #ffc;
}

/* Header rows... */
..report tr.rh {
	background-color: #acf;
	color: black;
	font-weight: bold;
}

/* Calendars... */
..report .rc {
	background-color: #f0f0f0;
}

/* Even rows... */
..report .re, .report .reu {
	background-color: #def;
}

..report .reu td {
	border-bottom: 1px solid black;
}

/* Odd rows... */
..report .ro, .report .rou {
	background-color: white;
}

..report .rou td {
	border-bottom: 1px solid black;
}

..report .rou table td, .report .reu table td {
	border-bottom: 0px solid black;
}

/* styles for footnote marker */
..report .fn {
	white-space: nowrap;
}

/* styles for numeric types */
..report .num, .report .nump {
	text-align: right;
	white-space: nowrap;
}

..report .nump {
	padding-left: 2em;
}

..report .nump {
	padding: 0px 0.4em 0px 2em;
}

/* styles for text types */
..report .text {
	text-align: left;
	white-space: normal;
}

..report .text .big {
	margin-bottom: 1em;
	width: 17em;
}

..report .text .more {
	display: none;
}

..report .text .note {
	font-style: italic;
	font-weight: bold;
}

..report .text .small {
	width: 10em;
}

..report sup {
	font-style: italic;
}

..report .outerFootnotes {
	font-size: 1em;
}
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>50
<FILENAME>FilingSummary.xml
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<XML>
<?xml version='1.0' encoding='UTF-8'?>
<FilingSummary>
  <Version>3.10.0.1</Version>
  <ProcessingTime/>
  <ReportFormat>html</ReportFormat>
  <ContextCount>80</ContextCount>
  <ElementCount>187</ElementCount>
  <EntityCount>1</EntityCount>
  <FootnotesReported>false</FootnotesReported>
  <SegmentCount>26</SegmentCount>
  <ScenarioCount>0</ScenarioCount>
  <TuplesReported>false</TuplesReported>
  <UnitCount>6</UnitCount>
  <MyReports>
    <Report instance="ngs-20180630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R1.htm</HtmlFileName>
      <LongName>0001001 - Document - Document and Entity Information</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://naturalgaservices.com/role/DocumentandEntityInformation</Role>
      <ShortName>Document and Entity Information</ShortName>
      <MenuCategory>Cover</MenuCategory>
      <Position>1</Position>
    </Report>
    <Report instance="ngs-20180630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R2.htm</HtmlFileName>
      <LongName>1002002 - Statement - Condensed Consolidated Balance Sheets (Unaudited)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://naturalgaservices.com/role/CondensedConsolidatedBalanceSheetsUnaudited</Role>
      <ShortName>Condensed Consolidated Balance Sheets (Unaudited)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>2</Position>
    </Report>
    <Report instance="ngs-20180630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R3.htm</HtmlFileName>
      <LongName>1003003 - Statement - Condensed Consolidated Balance Sheets (Unaudited) (Parentheticals)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://naturalgaservices.com/role/CondensedConsolidatedBalanceSheetsUnauditedParentheticals</Role>
      <ShortName>Condensed Consolidated Balance Sheets (Unaudited) (Parentheticals)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>3</Position>
    </Report>
    <Report instance="ngs-20180630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R4.htm</HtmlFileName>
      <LongName>1004004 - Statement - Condensed Consolidated Income Statements (Unaudited)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://naturalgaservices.com/role/CondensedConsolidatedIncomeStatementsUnaudited</Role>
      <ShortName>Condensed Consolidated Income Statements (Unaudited)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>4</Position>
    </Report>
    <Report instance="ngs-20180630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R5.htm</HtmlFileName>
      <LongName>1005005 - Statement - Condensed Consolidated Statements of Cash Flows (Unaudited)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://naturalgaservices.com/role/CondensedConsolidatedStatementsofCashFlowsUnaudited</Role>
      <ShortName>Condensed Consolidated Statements of Cash Flows (Unaudited)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>5</Position>
    </Report>
    <Report instance="ngs-20180630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R6.htm</HtmlFileName>
      <LongName>2106101 - Disclosure - Basis of Presentation and Summary of Significant Accounting Policies</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://naturalgaservices.com/role/BasisofPresentationandSummaryofSignificantAccountingPolicies</Role>
      <ShortName>Basis of Presentation and Summary of Significant Accounting Policies</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>6</Position>
    </Report>
    <Report instance="ngs-20180630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R7.htm</HtmlFileName>
      <LongName>2113102 - Disclosure - Stock-Based Compensation</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://naturalgaservices.com/role/StockBasedCompensation</Role>
      <ShortName>Stock-Based Compensation</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>7</Position>
    </Report>
    <Report instance="ngs-20180630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R8.htm</HtmlFileName>
      <LongName>2119103 - Disclosure - Inventory</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://naturalgaservices.com/role/Inventory</Role>
      <ShortName>Inventory</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>8</Position>
    </Report>
    <Report instance="ngs-20180630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R9.htm</HtmlFileName>
      <LongName>2122104 - Disclosure - Deferred Compensation Plans</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://naturalgaservices.com/role/DeferredCompensationPlans</Role>
      <ShortName>Deferred Compensation Plans</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>9</Position>
    </Report>
    <Report instance="ngs-20180630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R10.htm</HtmlFileName>
      <LongName>2124105 - Disclosure - Credit Facility</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://naturalgaservices.com/role/CreditFacility</Role>
      <ShortName>Credit Facility</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>10</Position>
    </Report>
    <Report instance="ngs-20180630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R11.htm</HtmlFileName>
      <LongName>2126106 - Disclosure - Earnings per Share</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://naturalgaservices.com/role/EarningsperShare</Role>
      <ShortName>Earnings per Share</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>11</Position>
    </Report>
    <Report instance="ngs-20180630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R12.htm</HtmlFileName>
      <LongName>2129107 - Disclosure - Segment Information</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://naturalgaservices.com/role/SegmentInformation</Role>
      <ShortName>Segment Information</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>12</Position>
    </Report>
    <Report instance="ngs-20180630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R13.htm</HtmlFileName>
      <LongName>2132108 - Disclosure - Commitments and Contingencies</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://naturalgaservices.com/role/CommitmentsandContingencies</Role>
      <ShortName>Commitments and Contingencies</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>13</Position>
    </Report>
    <Report instance="ngs-20180630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R14.htm</HtmlFileName>
      <LongName>2207201 - Disclosure - Basis of Presentation and Summary of Significant Accounting Policies (Policies)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://naturalgaservices.com/role/BasisofPresentationandSummaryofSignificantAccountingPoliciesPolicies</Role>
      <ShortName>Basis of Presentation and Summary of Significant Accounting Policies (Policies)</ShortName>
      <MenuCategory>Policies</MenuCategory>
      <ParentRole>http://naturalgaservices.com/role/BasisofPresentationandSummaryofSignificantAccountingPolicies</ParentRole>
      <Position>14</Position>
    </Report>
    <Report instance="ngs-20180630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R15.htm</HtmlFileName>
      <LongName>2308301 - Disclosure - Basis of Presentation and Summary of Significant Accounting Policies (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://naturalgaservices.com/role/BasisofPresentationandSummaryofSignificantAccountingPoliciesTables</Role>
      <ShortName>Basis of Presentation and Summary of Significant Accounting Policies (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://naturalgaservices.com/role/BasisofPresentationandSummaryofSignificantAccountingPolicies</ParentRole>
      <Position>15</Position>
    </Report>
    <Report instance="ngs-20180630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R16.htm</HtmlFileName>
      <LongName>2314302 - Disclosure - Stock-Based Compensation (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://naturalgaservices.com/role/StockBasedCompensationTables</Role>
      <ShortName>Stock-Based Compensation (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://naturalgaservices.com/role/StockBasedCompensation</ParentRole>
      <Position>16</Position>
    </Report>
    <Report instance="ngs-20180630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R17.htm</HtmlFileName>
      <LongName>2320303 - Disclosure - Inventory (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://naturalgaservices.com/role/InventoryTables</Role>
      <ShortName>Inventory (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://naturalgaservices.com/role/Inventory</ParentRole>
      <Position>17</Position>
    </Report>
    <Report instance="ngs-20180630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R18.htm</HtmlFileName>
      <LongName>2327304 - Disclosure - Earnings per Share (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://naturalgaservices.com/role/EarningsperShareTables</Role>
      <ShortName>Earnings per Share (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://naturalgaservices.com/role/EarningsperShare</ParentRole>
      <Position>18</Position>
    </Report>
    <Report instance="ngs-20180630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R19.htm</HtmlFileName>
      <LongName>2330305 - Disclosure - Segment Information (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://naturalgaservices.com/role/SegmentInformationTables</Role>
      <ShortName>Segment Information (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://naturalgaservices.com/role/SegmentInformation</ParentRole>
      <Position>19</Position>
    </Report>
    <Report instance="ngs-20180630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R20.htm</HtmlFileName>
      <LongName>2409401 - Disclosure - Basis of Presentation and Summary of Significant Accounting Policies (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://naturalgaservices.com/role/BasisofPresentationandSummaryofSignificantAccountingPoliciesDetails</Role>
      <ShortName>Basis of Presentation and Summary of Significant Accounting Policies (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://naturalgaservices.com/role/BasisofPresentationandSummaryofSignificantAccountingPoliciesTables</ParentRole>
      <Position>20</Position>
    </Report>
    <Report instance="ngs-20180630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R21.htm</HtmlFileName>
      <LongName>2410402 - Disclosure - Basis of Presentation and Summary of Significant Accounting Policies Disaggregation of Revenue (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://naturalgaservices.com/role/BasisofPresentationandSummaryofSignificantAccountingPoliciesDisaggregationofRevenueDetails</Role>
      <ShortName>Basis of Presentation and Summary of Significant Accounting Policies Disaggregation of Revenue (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>21</Position>
    </Report>
    <Report instance="ngs-20180630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R22.htm</HtmlFileName>
      <LongName>2411403 - Disclosure - Basis of Presentation and Summary of Significant Accounting Policies Contract Balances (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://naturalgaservices.com/role/BasisofPresentationandSummaryofSignificantAccountingPoliciesContractBalancesDetails</Role>
      <ShortName>Basis of Presentation and Summary of Significant Accounting Policies Contract Balances (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>22</Position>
    </Report>
    <Report instance="ngs-20180630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R23.htm</HtmlFileName>
      <LongName>2412404 - Disclosure - Basis of Presentation and Summary of Significant Accounting Policies Transaction Price Allocated to the Remaining Performance Obligations (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://naturalgaservices.com/role/BasisofPresentationandSummaryofSignificantAccountingPoliciesTransactionPriceAllocatedtotheRemainingPerformanceObligationsDetails</Role>
      <ShortName>Basis of Presentation and Summary of Significant Accounting Policies Transaction Price Allocated to the Remaining Performance Obligations (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>23</Position>
    </Report>
    <Report instance="ngs-20180630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R24.htm</HtmlFileName>
      <LongName>2415405 - Disclosure - Stock-Based Compensation - Stock Option Activity (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://naturalgaservices.com/role/StockBasedCompensationStockOptionActivityDetails</Role>
      <ShortName>Stock-Based Compensation - Stock Option Activity (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>24</Position>
    </Report>
    <Report instance="ngs-20180630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R25.htm</HtmlFileName>
      <LongName>2416406 - Disclosure - Stock-Based Compensation - Stock Options Outstanding (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://naturalgaservices.com/role/StockBasedCompensationStockOptionsOutstandingDetails</Role>
      <ShortName>Stock-Based Compensation - Stock Options Outstanding (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>25</Position>
    </Report>
    <Report instance="ngs-20180630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R26.htm</HtmlFileName>
      <LongName>2417407 - Disclosure - Stock-Based Compensation - Summary of Unvested Stock Options (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://naturalgaservices.com/role/StockBasedCompensationSummaryofUnvestedStockOptionsDetails</Role>
      <ShortName>Stock-Based Compensation - Summary of Unvested Stock Options (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>26</Position>
    </Report>
    <Report instance="ngs-20180630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R27.htm</HtmlFileName>
      <LongName>2418408 - Disclosure - Stock-Based Compensation - Restricted Stock (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://naturalgaservices.com/role/StockBasedCompensationRestrictedStockDetails</Role>
      <ShortName>Stock-Based Compensation - Restricted Stock (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>27</Position>
    </Report>
    <Report instance="ngs-20180630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R28.htm</HtmlFileName>
      <LongName>2421409 - Disclosure - Inventory (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://naturalgaservices.com/role/InventoryDetails</Role>
      <ShortName>Inventory (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://naturalgaservices.com/role/InventoryTables</ParentRole>
      <Position>28</Position>
    </Report>
    <Report instance="ngs-20180630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R29.htm</HtmlFileName>
      <LongName>2423410 - Disclosure - Deferred Compensation Plans (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://naturalgaservices.com/role/DeferredCompensationPlansDetails</Role>
      <ShortName>Deferred Compensation Plans (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://naturalgaservices.com/role/DeferredCompensationPlans</ParentRole>
      <Position>29</Position>
    </Report>
    <Report instance="ngs-20180630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R30.htm</HtmlFileName>
      <LongName>2425411 - Disclosure - Credit Facility (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://naturalgaservices.com/role/CreditFacilityDetails</Role>
      <ShortName>Credit Facility (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://naturalgaservices.com/role/CreditFacility</ParentRole>
      <Position>30</Position>
    </Report>
    <Report instance="ngs-20180630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R31.htm</HtmlFileName>
      <LongName>2428412 - Disclosure - Earnings per Share - Basic and Diluted (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://naturalgaservices.com/role/EarningsperShareBasicandDilutedDetails</Role>
      <ShortName>Earnings per Share - Basic and Diluted (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>31</Position>
    </Report>
    <Report instance="ngs-20180630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R32.htm</HtmlFileName>
      <LongName>2431413 - Disclosure - Segment Information (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://naturalgaservices.com/role/SegmentInformationDetails</Role>
      <ShortName>Segment Information (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://naturalgaservices.com/role/SegmentInformationTables</ParentRole>
      <Position>32</Position>
    </Report>
    <Report instance="ngs-20180630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R33.htm</HtmlFileName>
      <LongName>2433414 - Disclosure - Commitments and Contingencies (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://naturalgaservices.com/role/CommitmentsandContingenciesDetails</Role>
      <ShortName>Commitments and Contingencies (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://naturalgaservices.com/role/CommitmentsandContingencies</ParentRole>
      <Position>33</Position>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <LongName>All Reports</LongName>
      <ReportType>Book</ReportType>
      <ShortName>All Reports</ShortName>
    </Report>
  </MyReports>
  <InputFiles>
    <File doctype="10-Q" original="ngs-20180630.htm">ngs-20180630.htm</File>
    <File>ngs-063018xex311.htm</File>
    <File>ngs-063018xex312.htm</File>
    <File>ngs-063018xex321.htm</File>
    <File>ngs-063018xex322.htm</File>
    <File>ngs-20180630.xsd</File>
    <File>ngs-20180630_cal.xml</File>
    <File>ngs-20180630_def.xml</File>
    <File>ngs-20180630_lab.xml</File>
    <File>ngs-20180630_pre.xml</File>
  </InputFiles>
  <SupplementalFiles/>
  <BaseTaxonomies>
    <BaseTaxonomy>http://fasb.org/us-gaap/2017-01-31</BaseTaxonomy>
    <BaseTaxonomy>http://xbrl.sec.gov/dei/2014-01-31</BaseTaxonomy>
  </BaseTaxonomies>
  <HasPresentationLinkbase>true</HasPresentationLinkbase>
  <HasCalculationLinkbase>true</HasCalculationLinkbase>
</FilingSummary>
</XML>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>JSON
<SEQUENCE>52
<FILENAME>MetaLinks.json
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
{
 "instance": {
  "ngs-20180630.htm": {
   "axisCustom": 0,
   "axisStandard": 10,
   "contextCount": 80,
   "dts": {
    "calculationLink": {
     "local": [
      "ngs-20180630_cal.xml"
     ]
    },
    "definitionLink": {
     "local": [
      "ngs-20180630_def.xml"
     ]
    },
    "inline": {
     "local": [
      "ngs-20180630.htm"
     ]
    },
    "labelLink": {
     "local": [
      "ngs-20180630_lab.xml"
     ],
     "remote": [
      "http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-doc-2017-01-31.xml",
      "http://xbrl.sec.gov/dei/2014/dei-doc-2014-01-31.xml"
     ]
    },
    "presentationLink": {
     "local": [
      "ngs-20180630_pre.xml"
     ]
    },
    "referenceLink": {
     "remote": [
      "http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-ref-2017-01-31.xml",
      "http://xbrl.sec.gov/dei/2014/dei-ref-2014-01-31.xml"
     ]
    },
    "schema": {
     "local": [
      "ngs-20180630.xsd"
     ],
     "remote": [
      "http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd",
      "http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd",
      "http://www.xbrl.org/2003/xl-2003-12-31.xsd",
      "http://www.xbrl.org/2003/xlink-2003-12-31.xsd",
      "http://www.xbrl.org/2005/xbrldt-2005.xsd",
      "http://www.xbrl.org/2006/ref-2006-02-27.xsd",
      "http://www.xbrl.org/dtr/type/nonNumeric-2009-12-16.xsd",
      "http://www.xbrl.org/dtr/type/numeric-2009-12-16.xsd",
      "http://www.xbrl.org/lrr/role/deprecated-2009-12-16.xsd",
      "http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd",
      "http://www.xbrl.org/lrr/role/net-2009-12-16.xsd",
      "http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd",
      "http://xbrl.fasb.org/us-gaap/2017/elts/us-parts-codification-2017-01-31.xsd",
      "http://xbrl.fasb.org/us-gaap/2017/elts/us-roles-2017-01-31.xsd",
      "http://xbrl.fasb.org/us-gaap/2017/elts/us-types-2017-01-31.xsd",
      "http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd"
     ]
    }
   },
   "elementCount": 289,
   "entityCount": 1,
   "hidden": {
    "http://fasb.org/us-gaap/2017-01-31": 33,
    "http://naturalgaservices.com/20180630": 4,
    "http://xbrl.sec.gov/dei/2014-01-31": 8,
    "total": 45
   },
   "keyCustom": 28,
   "keyStandard": 159,
   "memberCustom": 15,
   "memberStandard": 11,
   "nsprefix": "ngs",
   "nsuri": "http://naturalgaservices.com/20180630",
   "report": {
    "R1": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "contextRef": "id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "dei:DocumentType",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "document",
     "isDefault": "true",
     "longName": "0001001 - Document - Document and Entity Information",
     "role": "http://naturalgaservices.com/role/DocumentandEntityInformation",
     "shortName": "Document and Entity Information",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "contextRef": "id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "dei:DocumentType",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R10": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "contextRef": "id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:DebtDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2124105 - Disclosure - Credit Facility",
     "role": "http://naturalgaservices.com/role/CreditFacility",
     "shortName": "Credit Facility",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "contextRef": "id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:DebtDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R11": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "contextRef": "id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:EarningsPerShareTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2126106 - Disclosure - Earnings per Share",
     "role": "http://naturalgaservices.com/role/EarningsperShare",
     "shortName": "Earnings per Share",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "contextRef": "id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:EarningsPerShareTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R12": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "contextRef": "id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:SegmentReportingDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2129107 - Disclosure - Segment Information",
     "role": "http://naturalgaservices.com/role/SegmentInformation",
     "shortName": "Segment Information",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "contextRef": "id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:SegmentReportingDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R13": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "contextRef": "id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:LegalMattersAndContingenciesTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2132108 - Disclosure - Commitments and Contingencies",
     "role": "http://naturalgaservices.com/role/CommitmentsandContingencies",
     "shortName": "Commitments and Contingencies",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "contextRef": "id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:LegalMattersAndContingenciesTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R14": {
     "firstAnchor": {
      "ancestors": [
       "ix:continuation",
       "body",
       "html"
      ],
      "contextRef": "id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:BasisOfAccountingPolicyPolicyTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2207201 - Disclosure - Basis of Presentation and Summary of Significant Accounting Policies (Policies)",
     "role": "http://naturalgaservices.com/role/BasisofPresentationandSummaryofSignificantAccountingPoliciesPolicies",
     "shortName": "Basis of Presentation and Summary of Significant Accounting Policies (Policies)",
     "subGroupType": "policies",
     "uniqueAnchor": {
      "ancestors": [
       "ix:continuation",
       "body",
       "html"
      ],
      "contextRef": "id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:BasisOfAccountingPolicyPolicyTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R15": {
     "firstAnchor": {
      "ancestors": [
       "ix:continuation",
       "body",
       "html"
      ],
      "contextRef": "id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:DisaggregationOfRevenueTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2308301 - Disclosure - Basis of Presentation and Summary of Significant Accounting Policies (Tables)",
     "role": "http://naturalgaservices.com/role/BasisofPresentationandSummaryofSignificantAccountingPoliciesTables",
     "shortName": "Basis of Presentation and Summary of Significant Accounting Policies (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "ix:continuation",
       "body",
       "html"
      ],
      "contextRef": "id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:DisaggregationOfRevenueTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R16": {
     "firstAnchor": {
      "ancestors": [
       "ix:continuation",
       "body",
       "html"
      ],
      "contextRef": "id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2314302 - Disclosure - Stock-Based Compensation (Tables)",
     "role": "http://naturalgaservices.com/role/StockBasedCompensationTables",
     "shortName": "Stock-Based Compensation (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "ix:continuation",
       "body",
       "html"
      ],
      "contextRef": "id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R17": {
     "firstAnchor": {
      "ancestors": [
       "ix:continuation",
       "body",
       "html"
      ],
      "contextRef": "id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:ScheduleOfInventoryCurrentTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2320303 - Disclosure - Inventory (Tables)",
     "role": "http://naturalgaservices.com/role/InventoryTables",
     "shortName": "Inventory (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "ix:continuation",
       "body",
       "html"
      ],
      "contextRef": "id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:ScheduleOfInventoryCurrentTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R18": {
     "firstAnchor": {
      "ancestors": [
       "ix:continuation",
       "body",
       "html"
      ],
      "contextRef": "id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2327304 - Disclosure - Earnings per Share (Tables)",
     "role": "http://naturalgaservices.com/role/EarningsperShareTables",
     "shortName": "Earnings per Share (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "ix:continuation",
       "body",
       "html"
      ],
      "contextRef": "id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R19": {
     "firstAnchor": {
      "ancestors": [
       "ix:continuation",
       "ix:continuation",
       "body",
       "html"
      ],
      "contextRef": "id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:ScheduleOfSegmentReportingInformationBySegmentTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2330305 - Disclosure - Segment Information (Tables)",
     "role": "http://naturalgaservices.com/role/SegmentInformationTables",
     "shortName": "Segment Information (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "ix:continuation",
       "ix:continuation",
       "body",
       "html"
      ],
      "contextRef": "id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:ScheduleOfSegmentReportingInformationBySegmentTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R2": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "body",
       "html"
      ],
      "contextRef": "i4a0749d860044c61bf1ca42bfa4d1200_I20180630",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:CashAndCashEquivalentsAtCarryingValue",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "statement",
     "isDefault": "false",
     "longName": "1002002 - Statement - Condensed Consolidated Balance Sheets (Unaudited)",
     "role": "http://naturalgaservices.com/role/CondensedConsolidatedBalanceSheetsUnaudited",
     "shortName": "Condensed Consolidated Balance Sheets (Unaudited)",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "body",
       "html"
      ],
      "contextRef": "i4a0749d860044c61bf1ca42bfa4d1200_I20180630",
      "decimals": "-3",
      "lang": null,
      "name": "us-gaap:InventoryNet",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R20": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "us-gaap:ScheduleOfSegmentReportingInformationBySegmentTextBlock",
       "ix:continuation",
       "ix:continuation",
       "body",
       "html"
      ],
      "contextRef": "i486ae96497a44bee87d62f2f3d814d35_D20180401-20180630",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:Revenues",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2409401 - Disclosure - Basis of Presentation and Summary of Significant Accounting Policies (Details)",
     "role": "http://naturalgaservices.com/role/BasisofPresentationandSummaryofSignificantAccountingPoliciesDetails",
     "shortName": "Basis of Presentation and Summary of Significant Accounting Policies (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "ix:continuation",
       "body",
       "html"
      ],
      "contextRef": "i0d22d73a73dc4ecf893e12eaa250ad79_D20180101-20180630",
      "decimals": "-5",
      "lang": null,
      "name": "us-gaap:Revenues",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R21": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "us-gaap:DisaggregationOfRevenueTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "contextRef": "i486ae96497a44bee87d62f2f3d814d35_D20180401-20180630",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2410402 - Disclosure - Basis of Presentation and Summary of Significant Accounting Policies Disaggregation of Revenue (Details)",
     "role": "http://naturalgaservices.com/role/BasisofPresentationandSummaryofSignificantAccountingPoliciesDisaggregationofRevenueDetails",
     "shortName": "Basis of Presentation and Summary of Significant Accounting Policies Disaggregation of Revenue (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "us-gaap:DisaggregationOfRevenueTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "contextRef": "i486ae96497a44bee87d62f2f3d814d35_D20180401-20180630",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R22": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "us-gaap:ContractWithCustomerAssetAndLiabilityTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "contextRef": "i4a0749d860044c61bf1ca42bfa4d1200_I20180630",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:ContractWithCustomerAssetNetCurrent",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2411403 - Disclosure - Basis of Presentation and Summary of Significant Accounting Policies Contract Balances (Details)",
     "role": "http://naturalgaservices.com/role/BasisofPresentationandSummaryofSignificantAccountingPoliciesContractBalancesDetails",
     "shortName": "Basis of Presentation and Summary of Significant Accounting Policies Contract Balances (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "us-gaap:ContractWithCustomerAssetAndLiabilityTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "contextRef": "i4a0749d860044c61bf1ca42bfa4d1200_I20180630",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:ContractWithCustomerAssetNetCurrent",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R23": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "us-gaap:RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "contextRef": "i2f0ae5f9e2fc48399f08a04105626c87_I20180630",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:RevenueRemainingPerformanceObligation",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2412404 - Disclosure - Basis of Presentation and Summary of Significant Accounting Policies Transaction Price Allocated to the Remaining Performance Obligations (Details)",
     "role": "http://naturalgaservices.com/role/BasisofPresentationandSummaryofSignificantAccountingPoliciesTransactionPriceAllocatedtotheRemainingPerformanceObligationsDetails",
     "shortName": "Basis of Presentation and Summary of Significant Accounting Policies Transaction Price Allocated to the Remaining Performance Obligations (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "us-gaap:RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "contextRef": "i2f0ae5f9e2fc48399f08a04105626c87_I20180630",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:RevenueRemainingPerformanceObligation",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R24": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "us-gaap:ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "contextRef": "ic4d3c0da31dc4a6d9e6a956840d0f98c_I20171231",
      "decimals": "INF",
      "first": true,
      "lang": null,
      "name": "us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber",
      "reportCount": 1,
      "unitRef": "shares",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2415405 - Disclosure - Stock-Based Compensation - Stock Option Activity (Details)",
     "role": "http://naturalgaservices.com/role/StockBasedCompensationStockOptionActivityDetails",
     "shortName": "Stock-Based Compensation - Stock Option Activity (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "us-gaap:ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "contextRef": "id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630",
      "decimals": "INF",
      "lang": null,
      "name": "us-gaap:StockIssuedDuringPeriodSharesStockOptionsExercised",
      "reportCount": 1,
      "unique": true,
      "unitRef": "shares",
      "xsiNil": "false"
     }
    },
    "R25": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "us-gaap:ScheduleOfShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "contextRef": "i4a0749d860044c61bf1ca42bfa4d1200_I20180630",
      "decimals": "INF",
      "first": true,
      "lang": null,
      "name": "us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions",
      "reportCount": 1,
      "unique": true,
      "unitRef": "shares",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2416406 - Disclosure - Stock-Based Compensation - Stock Options Outstanding (Details)",
     "role": "http://naturalgaservices.com/role/StockBasedCompensationStockOptionsOutstandingDetails",
     "shortName": "Stock-Based Compensation - Stock Options Outstanding (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "us-gaap:ScheduleOfShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "contextRef": "i4a0749d860044c61bf1ca42bfa4d1200_I20180630",
      "decimals": "INF",
      "first": true,
      "lang": null,
      "name": "us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions",
      "reportCount": 1,
      "unique": true,
      "unitRef": "shares",
      "xsiNil": "false"
     }
    },
    "R26": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "us-gaap:ScheduleOfStockOptionsRollForwardTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "contextRef": "ic4d3c0da31dc4a6d9e6a956840d0f98c_I20171231",
      "decimals": "INF",
      "first": true,
      "lang": null,
      "name": "us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares",
      "reportCount": 1,
      "unique": true,
      "unitRef": "shares",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2417407 - Disclosure - Stock-Based Compensation - Summary of Unvested Stock Options (Details)",
     "role": "http://naturalgaservices.com/role/StockBasedCompensationSummaryofUnvestedStockOptionsDetails",
     "shortName": "Stock-Based Compensation - Summary of Unvested Stock Options (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "us-gaap:ScheduleOfStockOptionsRollForwardTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "contextRef": "ic4d3c0da31dc4a6d9e6a956840d0f98c_I20171231",
      "decimals": "INF",
      "first": true,
      "lang": null,
      "name": "us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares",
      "reportCount": 1,
      "unique": true,
      "unitRef": "shares",
      "xsiNil": "false"
     }
    },
    "R27": {
     "firstAnchor": {
      "ancestors": [
       "ix:continuation",
       "span",
       "div",
       "body",
       "html"
      ],
      "contextRef": "i5a8c23e656684e91af584dc983fd5bf4_D20180101-20180630",
      "decimals": "0",
      "first": true,
      "lang": null,
      "name": "us-gaap:AllocatedShareBasedCompensationExpense",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2418408 - Disclosure - Stock-Based Compensation - Restricted Stock (Details)",
     "role": "http://naturalgaservices.com/role/StockBasedCompensationRestrictedStockDetails",
     "shortName": "Stock-Based Compensation - Restricted Stock (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "ix:continuation",
       "span",
       "div",
       "body",
       "html"
      ],
      "contextRef": "i5a8c23e656684e91af584dc983fd5bf4_D20180101-20180630",
      "decimals": "0",
      "first": true,
      "lang": null,
      "name": "us-gaap:AllocatedShareBasedCompensationExpense",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R28": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "us-gaap:ScheduleOfInventoryCurrentTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "contextRef": "i4a0749d860044c61bf1ca42bfa4d1200_I20180630",
      "decimals": "0",
      "first": true,
      "lang": null,
      "name": "us-gaap:InventoryValuationReserves",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2421409 - Disclosure - Inventory (Details)",
     "role": "http://naturalgaservices.com/role/InventoryDetails",
     "shortName": "Inventory (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "us-gaap:ScheduleOfInventoryCurrentTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "contextRef": "i4a0749d860044c61bf1ca42bfa4d1200_I20180630",
      "decimals": "-3",
      "lang": null,
      "name": "ngs:InventoryCurrentRawMaterialsNetofReserves",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R29": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "contextRef": "id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630",
      "decimals": "INF",
      "first": true,
      "lang": null,
      "name": "ngs:DeferredCompensationArrangementwithIndividualMaximumAnnualContributionsPerEmployeePercent",
      "reportCount": 1,
      "unique": true,
      "unitRef": "number",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2423410 - Disclosure - Deferred Compensation Plans (Details)",
     "role": "http://naturalgaservices.com/role/DeferredCompensationPlansDetails",
     "shortName": "Deferred Compensation Plans (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "contextRef": "id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630",
      "decimals": "INF",
      "first": true,
      "lang": null,
      "name": "ngs:DeferredCompensationArrangementwithIndividualMaximumAnnualContributionsPerEmployeePercent",
      "reportCount": 1,
      "unique": true,
      "unitRef": "number",
      "xsiNil": "false"
     }
    },
    "R3": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "us-gaap:ContractWithCustomerAssetAndLiabilityTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "contextRef": "i4a0749d860044c61bf1ca42bfa4d1200_I20180630",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "statement",
     "isDefault": "false",
     "longName": "1003003 - Statement - Condensed Consolidated Balance Sheets (Unaudited) (Parentheticals)",
     "role": "http://naturalgaservices.com/role/CondensedConsolidatedBalanceSheetsUnauditedParentheticals",
     "shortName": "Condensed Consolidated Balance Sheets (Unaudited) (Parentheticals)",
     "subGroupType": "parenthetical",
     "uniqueAnchor": null
    },
    "R30": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "contextRef": "ie7cfbc6b43db46e09f63047029882524_I20180630",
      "decimals": "INF",
      "first": true,
      "lang": null,
      "name": "us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2425411 - Disclosure - Credit Facility (Details)",
     "role": "http://naturalgaservices.com/role/CreditFacilityDetails",
     "shortName": "Credit Facility (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "contextRef": "ie7cfbc6b43db46e09f63047029882524_I20180630",
      "decimals": "INF",
      "first": true,
      "lang": null,
      "name": "us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R31": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "us-gaap:ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "contextRef": "i486ae96497a44bee87d62f2f3d814d35_D20180401-20180630",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:NetIncomeLoss",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2428412 - Disclosure - Earnings per Share - Basic and Diluted (Details)",
     "role": "http://naturalgaservices.com/role/EarningsperShareBasicandDilutedDetails",
     "shortName": "Earnings per Share - Basic and Diluted (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "us-gaap:ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "contextRef": "i486ae96497a44bee87d62f2f3d814d35_D20180401-20180630",
      "decimals": "-3",
      "lang": null,
      "name": "us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements",
      "reportCount": 1,
      "unique": true,
      "unitRef": "shares",
      "xsiNil": "false"
     }
    },
    "R32": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "us-gaap:SegmentReportingPolicyPolicyTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "contextRef": "i486ae96497a44bee87d62f2f3d814d35_D20180401-20180630",
      "decimals": "INF",
      "first": true,
      "lang": null,
      "name": "us-gaap:NumberOfOperatingSegments",
      "reportCount": 1,
      "unique": true,
      "unitRef": "segment",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2431413 - Disclosure - Segment Information (Details)",
     "role": "http://naturalgaservices.com/role/SegmentInformationDetails",
     "shortName": "Segment Information (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "us-gaap:SegmentReportingPolicyPolicyTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "contextRef": "i486ae96497a44bee87d62f2f3d814d35_D20180401-20180630",
      "decimals": "INF",
      "first": true,
      "lang": null,
      "name": "us-gaap:NumberOfOperatingSegments",
      "reportCount": 1,
      "unique": true,
      "unitRef": "segment",
      "xsiNil": "false"
     }
    },
    "R33": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "contextRef": "i4a0749d860044c61bf1ca42bfa4d1200_I20180630",
      "decimals": "-5",
      "first": true,
      "lang": null,
      "name": "us-gaap:ContractualObligation",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2433414 - Disclosure - Commitments and Contingencies (Details)",
     "role": "http://naturalgaservices.com/role/CommitmentsandContingenciesDetails",
     "shortName": "Commitments and Contingencies (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "contextRef": "i4a0749d860044c61bf1ca42bfa4d1200_I20180630",
      "decimals": "-5",
      "first": true,
      "lang": null,
      "name": "us-gaap:ContractualObligation",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R4": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "us-gaap:ScheduleOfSegmentReportingInformationBySegmentTextBlock",
       "ix:continuation",
       "ix:continuation",
       "body",
       "html"
      ],
      "contextRef": "i486ae96497a44bee87d62f2f3d814d35_D20180401-20180630",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:Revenues",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "statement",
     "isDefault": "false",
     "longName": "1004004 - Statement - Condensed Consolidated Income Statements (Unaudited)",
     "role": "http://naturalgaservices.com/role/CondensedConsolidatedIncomeStatementsUnaudited",
     "shortName": "Condensed Consolidated Income Statements (Unaudited)",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "body",
       "html"
      ],
      "contextRef": "i486ae96497a44bee87d62f2f3d814d35_D20180401-20180630",
      "decimals": "-3",
      "lang": null,
      "name": "us-gaap:DirectCostsOfLeasedAndRentedPropertyOrEquipment",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R5": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "body",
       "html"
      ],
      "contextRef": "id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:NetIncomeLoss",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "statement",
     "isDefault": "false",
     "longName": "1005005 - Statement - Condensed Consolidated Statements of Cash Flows (Unaudited)",
     "role": "http://naturalgaservices.com/role/CondensedConsolidatedStatementsofCashFlowsUnaudited",
     "shortName": "Condensed Consolidated Statements of Cash Flows (Unaudited)",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "body",
       "html"
      ],
      "contextRef": "id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630",
      "decimals": "-3",
      "lang": null,
      "name": "us-gaap:DeferredIncomeTaxExpenseBenefit",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R6": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "contextRef": "id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:BasisOfPresentationAndSignificantAccountingPoliciesTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2106101 - Disclosure - Basis of Presentation and Summary of Significant Accounting Policies",
     "role": "http://naturalgaservices.com/role/BasisofPresentationandSummaryofSignificantAccountingPolicies",
     "shortName": "Basis of Presentation and Summary of Significant Accounting Policies",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "contextRef": "id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:BasisOfPresentationAndSignificantAccountingPoliciesTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R7": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "contextRef": "id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2113102 - Disclosure - Stock-Based Compensation",
     "role": "http://naturalgaservices.com/role/StockBasedCompensation",
     "shortName": "Stock-Based Compensation",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "contextRef": "id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R8": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "contextRef": "id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:InventoryDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2119103 - Disclosure - Inventory",
     "role": "http://naturalgaservices.com/role/Inventory",
     "shortName": "Inventory",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "contextRef": "id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:InventoryDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R9": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "contextRef": "id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:CompensationAndEmployeeBenefitPlansTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2122104 - Disclosure - Deferred Compensation Plans",
     "role": "http://naturalgaservices.com/role/DeferredCompensationPlans",
     "shortName": "Deferred Compensation Plans",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "contextRef": "id2857a65f28a4bb98e4cd4088e43b882_D20180101-20180630",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:CompensationAndEmployeeBenefitPlansTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    }
   },
   "segmentCount": 26,
   "tag": {
    "dei_AmendmentFlag": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "If the value is true, then the document is an amendment to previously-filed/accepted document.",
        "label": "Amendment Flag",
        "terseLabel": "Amendment Flag"
       }
      }
     },
     "localname": "AmendmentFlag",
     "nsuri": "http://xbrl.sec.gov/dei/2014-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/DocumentandEntityInformation"
     ],
     "xbrltype": "booleanItemType"
    },
    "dei_CurrentFiscalYearEndDate": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "End date of current fiscal year in the format --MM-DD.",
        "label": "Current Fiscal Year End Date",
        "terseLabel": "Current Fiscal Year End Date"
       }
      }
     },
     "localname": "CurrentFiscalYearEndDate",
     "nsuri": "http://xbrl.sec.gov/dei/2014-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/DocumentandEntityInformation"
     ],
     "xbrltype": "gMonthDayItemType"
    },
    "dei_DocumentFiscalPeriodFocus": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "This is focus fiscal period of the document report. For a first quarter 2006 quarterly report, which may also provide financial information from prior periods, the first fiscal quarter should be given as the fiscal period focus. Values: FY, Q1, Q2, Q3, Q4, H1, H2, M9, T1, T2, T3, M8, CY.",
        "label": "Document Fiscal Period Focus",
        "terseLabel": "Document Fiscal Period Focus"
       }
      }
     },
     "localname": "DocumentFiscalPeriodFocus",
     "nsuri": "http://xbrl.sec.gov/dei/2014-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/DocumentandEntityInformation"
     ],
     "xbrltype": "fiscalPeriodItemType"
    },
    "dei_DocumentFiscalYearFocus": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "This is focus fiscal year of the document report in CCYY format. For a 2006 annual report, which may also provide financial information from prior periods, fiscal 2006 should be given as the fiscal year focus. Example: 2006.",
        "label": "Document Fiscal Year Focus",
        "terseLabel": "Document Fiscal Year Focus"
       }
      }
     },
     "localname": "DocumentFiscalYearFocus",
     "nsuri": "http://xbrl.sec.gov/dei/2014-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/DocumentandEntityInformation"
     ],
     "xbrltype": "gYearItemType"
    },
    "dei_DocumentPeriodEndDate": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The end date of the period reflected on the cover page if a periodic report. For all other reports and registration statements containing historical data, it is the date up through which that historical data is presented.  If there is no historical data in the report, use the filing date. The format of the date is CCYY-MM-DD.",
        "label": "Document Period End Date",
        "terseLabel": "Document Period End Date"
       }
      }
     },
     "localname": "DocumentPeriodEndDate",
     "nsuri": "http://xbrl.sec.gov/dei/2014-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/DocumentandEntityInformation"
     ],
     "xbrltype": "dateItemType"
    },
    "dei_DocumentType": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The type of document being provided (such as 10-K, 10-Q, 485BPOS, etc). The document type is limited to the same value as the supporting SEC submission type, or the word \"Other\".",
        "label": "Document Type",
        "terseLabel": "Document Type"
       }
      }
     },
     "localname": "DocumentType",
     "nsuri": "http://xbrl.sec.gov/dei/2014-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/DocumentandEntityInformation"
     ],
     "xbrltype": "submissionTypeItemType"
    },
    "dei_EntityCentralIndexKey": {
     "auth_ref": [
      "r198"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "A unique 10-digit SEC-issued value to identify entities that have filed disclosures with the SEC. It is commonly abbreviated as CIK.",
        "label": "Entity Central Index Key",
        "terseLabel": "Entity Central Index Key"
       }
      }
     },
     "localname": "EntityCentralIndexKey",
     "nsuri": "http://xbrl.sec.gov/dei/2014-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/DocumentandEntityInformation"
     ],
     "xbrltype": "centralIndexKeyItemType"
    },
    "dei_EntityCommonStockSharesOutstanding": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Indicate number of shares or other units outstanding of each of registrant's classes of capital or common stock or other ownership interests, if and as stated on cover of related periodic report. Where multiple classes or units exist define each class/interest by adding class of stock items such as Common Class A [Member], Common Class B [Member] or Partnership Interest [Member] onto the Instrument [Domain] of the Entity Listings, Instrument.",
        "label": "Entity Common Stock, Shares Outstanding",
        "terseLabel": "Entity Common Stock, Shares Outstanding"
       }
      }
     },
     "localname": "EntityCommonStockSharesOutstanding",
     "nsuri": "http://xbrl.sec.gov/dei/2014-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/DocumentandEntityInformation"
     ],
     "xbrltype": "sharesItemType"
    },
    "dei_EntityFilerCategory": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Indicate whether the registrant is one of the following: (1) Large Accelerated Filer, (2) Accelerated Filer, (3) Non-accelerated Filer, (4) Smaller Reporting Company (Non-accelerated) or (5) Smaller Reporting Accelerated Filer. Definitions of these categories are stated in Rule 12b-2 of the Exchange Act. This information should be based on the registrant's current or most recent filing containing the related disclosure.",
        "label": "Entity Filer Category",
        "terseLabel": "Entity Filer Category"
       }
      }
     },
     "localname": "EntityFilerCategory",
     "nsuri": "http://xbrl.sec.gov/dei/2014-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/DocumentandEntityInformation"
     ],
     "xbrltype": "filerCategoryItemType"
    },
    "dei_EntityRegistrantName": {
     "auth_ref": [
      "r198"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The exact name of the entity filing the report as specified in its charter, which is required by forms filed with the SEC.",
        "label": "Entity Registrant Name",
        "terseLabel": "Entity Registrant Name"
       }
      }
     },
     "localname": "EntityRegistrantName",
     "nsuri": "http://xbrl.sec.gov/dei/2014-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/DocumentandEntityInformation"
     ],
     "xbrltype": "normalizedStringItemType"
    },
    "ngs_AccountsReceivableExcludingContractsWithCustomerAssetCurrent": {
     "auth_ref": [],
     "calculation": {
      "http://naturalgaservices.com/role/BasisofPresentationandSummaryofSignificantAccountingPoliciesContractBalancesDetails": {
       "order": 2.0,
       "parentTag": "us-gaap_AccountsReceivableGrossCurrent",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Accounts Receivable, Excluding Contracts With Customer, Asset, Current",
        "label": "Accounts Receivable, Excluding Contracts With Customer, Asset, Current",
        "terseLabel": "Accounts receivable - non-ASC 606"
       }
      }
     },
     "localname": "AccountsReceivableExcludingContractsWithCustomerAssetCurrent",
     "nsuri": "http://naturalgaservices.com/20180630",
     "presentation": [
      "http://naturalgaservices.com/role/BasisofPresentationandSummaryofSignificantAccountingPoliciesContractBalancesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ngs_AccumulatedDepreciationRentalEquipment": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Accumulated Depreciation Rental Equipment",
        "label": "Accumulated Depreciation Rental Equipment",
        "terseLabel": "Accumulated depreciation, rental equipment"
       }
      }
     },
     "localname": "AccumulatedDepreciationRentalEquipment",
     "nsuri": "http://naturalgaservices.com/20180630",
     "presentation": [
      "http://naturalgaservices.com/role/CondensedConsolidatedBalanceSheetsUnauditedParentheticals"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ngs_AntidilutiveEffectMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Antidilutive Effect [Member]",
        "label": "Antidilutive Effect [Member]",
        "terseLabel": "Antidilutive Effect"
       }
      }
     },
     "localname": "AntidilutiveEffectMember",
     "nsuri": "http://naturalgaservices.com/20180630",
     "presentation": [
      "http://naturalgaservices.com/role/EarningsperShareBasicandDilutedDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "ngs_BillandHoldArrangementMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Bill and Hold Arrangement [Member]",
        "label": "Bill and Hold Arrangement [Member]",
        "terseLabel": "Bill and Hold Arrangement"
       }
      }
     },
     "localname": "BillandHoldArrangementMember",
     "nsuri": "http://naturalgaservices.com/20180630",
     "presentation": [
      "http://naturalgaservices.com/role/BasisofPresentationandSummaryofSignificantAccountingPoliciesDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "ngs_CapitalizedContractCostsPolicyPolicyTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Capitalized Contract Costs, Policy",
        "label": "Capitalized Contract Costs, Policy [Policy Text Block]",
        "terseLabel": "Contract Costs"
       }
      }
     },
     "localname": "CapitalizedContractCostsPolicyPolicyTextBlock",
     "nsuri": "http://naturalgaservices.com/20180630",
     "presentation": [
      "http://naturalgaservices.com/role/BasisofPresentationandSummaryofSignificantAccountingPoliciesPolicies"
     ],
     "xbrltype": "textBlockItemType"
    },
    "ngs_CbFloatingRateMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "CB Floating Rate [Member]",
        "label": "CB Floating Rate [Member]",
        "terseLabel": "CB Floating Rate"
       }
      }
     },
     "localname": "CbFloatingRateMember",
     "nsuri": "http://naturalgaservices.com/20180630",
     "presentation": [
      "http://naturalgaservices.com/role/CreditFacilityDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "ngs_CompressorRelatedMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Compressor Related [Member]",
        "label": "Compressor Related [Member]",
        "terseLabel": "Compressors - sales"
       }
      }
     },
     "localname": "CompressorRelatedMember",
     "nsuri": "http://naturalgaservices.com/20180630",
     "presentation": [
      "http://naturalgaservices.com/role/BasisofPresentationandSummaryofSignificantAccountingPoliciesDisaggregationofRevenueDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "ngs_DeferredCompensationArrangementwithIndividualDeferredRestrictedStock": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Deferred Compensation Arrangement with Individual, Deferred Restricted Stock",
        "label": "Deferred Compensation Arrangement with Individual, Deferred Restricted Stock",
        "terseLabel": "Deferred restricted stock shares (in shares)"
       }
      }
     },
     "localname": "DeferredCompensationArrangementwithIndividualDeferredRestrictedStock",
     "nsuri": "http://naturalgaservices.com/20180630",
     "presentation": [
      "http://naturalgaservices.com/role/DeferredCompensationPlansDetails"
     ],
     "xbrltype": "sharesItemType"
    },
    "ngs_DeferredCompensationArrangementwithIndividualMaximumAnnualContributionsPerEmployeePercent": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Deferred Compensation Arrangement with Individual, Maximum Annual Contributions Per Employee, Percent",
        "label": "Deferred Compensation Arrangement with Individual, Maximum Annual Contributions Per Employee, Percent",
        "terseLabel": "Participant's maximum compensation deferral percentage"
       }
      }
     },
     "localname": "DeferredCompensationArrangementwithIndividualMaximumAnnualContributionsPerEmployeePercent",
     "nsuri": "http://naturalgaservices.com/20180630",
     "presentation": [
      "http://naturalgaservices.com/role/DeferredCompensationPlansDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "ngs_DocumentAndEntityInformationAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Document and Entity Information [Abstract]",
        "label": "Document and Entity Information [Abstract]"
       }
      }
     },
     "localname": "DocumentAndEntityInformationAbstract",
     "nsuri": "http://naturalgaservices.com/20180630",
     "xbrltype": "stringItemType"
    },
    "ngs_EmployeeServiceShareBasedCompensationNonvestedAwardsStockOptionsOutstandingRollForward": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Employee Service Share-based Compensation, Nonvested Awards, Stock Options, Outstanding [Roll Forward]",
        "label": "Employee Service Share-based Compensation, Nonvested Awards, Stock Options, Outstanding [Roll Forward]",
        "terseLabel": "Shares"
       }
      }
     },
     "localname": "EmployeeServiceShareBasedCompensationNonvestedAwardsStockOptionsOutstandingRollForward",
     "nsuri": "http://naturalgaservices.com/20180630",
     "presentation": [
      "http://naturalgaservices.com/role/StockBasedCompensationSummaryofUnvestedStockOptionsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "ngs_EmployeeServiceShareBasedCompensationNonvestedAwardsStockOptionsWeightedAverageGrantDateFairValueRollForward": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Employee Service Share-based Compensation, Nonvested Awards, Stock Options, Weighted Average Grant Date Fair Value [Roll Forward]",
        "label": "Employee Service Share-based Compensation, Nonvested Awards, Stock Options, Weighted Average Grant Date Fair Value [Roll Forward]",
        "terseLabel": "Weighted AverageGrant Date Fair Value Per Share"
       }
      }
     },
     "localname": "EmployeeServiceShareBasedCompensationNonvestedAwardsStockOptionsWeightedAverageGrantDateFairValueRollForward",
     "nsuri": "http://naturalgaservices.com/20180630",
     "presentation": [
      "http://naturalgaservices.com/role/StockBasedCompensationSummaryofUnvestedStockOptionsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "ngs_FlaresRelatedMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Flares Related [Member]",
        "label": "Flares Related [Member]",
        "terseLabel": "Flares - sales"
       }
      }
     },
     "localname": "FlaresRelatedMember",
     "nsuri": "http://naturalgaservices.com/20180630",
     "presentation": [
      "http://naturalgaservices.com/role/BasisofPresentationandSummaryofSignificantAccountingPoliciesDisaggregationofRevenueDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "ngs_IncreaseDecreaseInContractWithCustomerLiability": {
     "auth_ref": [],
     "calculation": {
      "http://naturalgaservices.com/role/CondensedConsolidatedStatementsofCashFlowsUnaudited": {
       "order": 12.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Increase (Decrease) In Contract With Customer, Liability",
        "label": "Increase (Decrease) In Contract With Customer, Liability",
        "terseLabel": "Deferred income"
       }
      }
     },
     "localname": "IncreaseDecreaseInContractWithCustomerLiability",
     "nsuri": "http://naturalgaservices.com/20180630",
     "presentation": [
      "http://naturalgaservices.com/role/CondensedConsolidatedStatementsofCashFlowsUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ngs_IntangibleAssetsAccumulatedAmortization": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Intangible Assets, Accumulated Amortization encompasses both finite-lived and indefinite-lived intangible assets",
        "label": "Intangible Assets, Accumulated Amortization",
        "terseLabel": "Accumulated amortization, intangibles"
       }
      }
     },
     "localname": "IntangibleAssetsAccumulatedAmortization",
     "nsuri": "http://naturalgaservices.com/20180630",
     "presentation": [
      "http://naturalgaservices.com/role/CondensedConsolidatedBalanceSheetsUnauditedParentheticals"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ngs_InventoryCurrentAndNoncurrentNet": {
     "auth_ref": [],
     "calculation": {
      "http://naturalgaservices.com/role/InventoryDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Inventory, Current And Noncurrent, Net",
        "label": "Inventory, Current And Noncurrent, Net",
        "totalLabel": "Inventory, net"
       }
      }
     },
     "localname": "InventoryCurrentAndNoncurrentNet",
     "nsuri": "http://naturalgaservices.com/20180630",
     "presentation": [
      "http://naturalgaservices.com/role/InventoryDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ngs_InventoryCurrentRawMaterialsNetofReserves": {
     "auth_ref": [],
     "calculation": {
      "http://naturalgaservices.com/role/InventoryDetails": {
       "order": 1.0,
       "parentTag": "ngs_InventoryCurrentAndNoncurrentNet",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Inventory, Current Raw Materials, Net of Reserves",
        "label": "Inventory, Current Raw Materials, Net of Reserves",
        "terseLabel": "Raw materials - current"
       }
      }
     },
     "localname": "InventoryCurrentRawMaterialsNetofReserves",
     "nsuri": "http://naturalgaservices.com/20180630",
     "presentation": [
      "http://naturalgaservices.com/role/InventoryDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ngs_InventoryNoncurrentRawMaterialsNetofReserves": {
     "auth_ref": [],
     "calculation": {
      "http://naturalgaservices.com/role/InventoryDetails": {
       "order": 2.0,
       "parentTag": "ngs_InventoryCurrentAndNoncurrentNet",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Inventory, Noncurrent Raw Materials, Net of Reserves",
        "label": "Inventory, Noncurrent Raw Materials, Net of Reserves",
        "terseLabel": "Raw materials - long-term"
       }
      }
     },
     "localname": "InventoryNoncurrentRawMaterialsNetofReserves",
     "nsuri": "http://naturalgaservices.com/20180630",
     "presentation": [
      "http://naturalgaservices.com/role/InventoryDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ngs_InventoryValuationReservesDeductions": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Inventory Valuation Reserves, Deductions",
        "label": "Inventory Valuation Reserves, Deductions",
        "terseLabel": "Write-offs of obsolete inventory against allowance"
       }
      }
     },
     "localname": "InventoryValuationReservesDeductions",
     "nsuri": "http://naturalgaservices.com/20180630",
     "presentation": [
      "http://naturalgaservices.com/role/InventoryDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ngs_LineOfCreditFacilityCurrentBorrowingCapacityAllowableShareOfTotalCommitmentAmountAttributableToGeneralInventoryComponent": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Line of Credit Facility, Current Borrowing Capacity, Allowable Share of Total Commitment Amount Attributable to General Inventory Component",
        "label": "Line of Credit Facility, Current Borrowing Capacity, Allowable Share of Total Commitment Amount Attributable to General Inventory Component",
        "terseLabel": "Borrowing base, allowable share of total commitment amount attributable to inventory component"
       }
      }
     },
     "localname": "LineOfCreditFacilityCurrentBorrowingCapacityAllowableShareOfTotalCommitmentAmountAttributableToGeneralInventoryComponent",
     "nsuri": "http://naturalgaservices.com/20180630",
     "presentation": [
      "http://naturalgaservices.com/role/CreditFacilityDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "ngs_LineOfCreditFacilityCurrentBorrowingCapacityComponentPercentageOfEligibleAccountsReceivable": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Line of Credit Facility, Current Borrowing Capacity, Component, Percentage of Eligible Accounts Receivable",
        "label": "Line of Credit Facility, Current Borrowing Capacity, Component, Percentage of Eligible Accounts Receivable",
        "terseLabel": "Borrowing base, component, % of eligible accounts receivable"
       }
      }
     },
     "localname": "LineOfCreditFacilityCurrentBorrowingCapacityComponentPercentageOfEligibleAccountsReceivable",
     "nsuri": "http://naturalgaservices.com/20180630",
     "presentation": [
      "http://naturalgaservices.com/role/CreditFacilityDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "ngs_LineOfCreditFacilityCurrentBorrowingCapacityComponentPercentageOfEligibleEquipmentInventory": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Line of Credit Facility, Current Borrowing Capacity, Component, Percentage of Eligible Equipment Inventory",
        "label": "Line of Credit Facility, Current Borrowing Capacity, Component, Percentage of Eligible Equipment Inventory",
        "terseLabel": "Borrowing base, component, % of eligible equipment inventory"
       }
      }
     },
     "localname": "LineOfCreditFacilityCurrentBorrowingCapacityComponentPercentageOfEligibleEquipmentInventory",
     "nsuri": "http://naturalgaservices.com/20180630",
     "presentation": [
      "http://naturalgaservices.com/role/CreditFacilityDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "ngs_LineOfCreditFacilityCurrentBorrowingCapacityComponentPercentageOfEligibleGeneralInventory": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Line of Credit Facility, Current Borrowing Capacity, Component, Percentage of Eligible General Inventory",
        "label": "Line of Credit Facility, Current Borrowing Capacity, Component, Percentage of Eligible General Inventory",
        "terseLabel": "Borrowing base, component, % of eligible inventory"
       }
      }
     },
     "localname": "LineOfCreditFacilityCurrentBorrowingCapacityComponentPercentageOfEligibleGeneralInventory",
     "nsuri": "http://naturalgaservices.com/20180630",
     "presentation": [
      "http://naturalgaservices.com/role/CreditFacilityDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "ngs_LineOfCreditFacilityDefaultTriggerCertainDefaultsOfOtherCompanyIndebtednessAmount": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Line of Credit Facility, Default Trigger, Certain Defaults of Other Company Indebtedness, Amount",
        "label": "Line of Credit Facility, Default Trigger, Certain Defaults of Other Company Indebtedness, Amount",
        "terseLabel": "Default trigger, certain defaults of other company indebtedness, amount"
       }
      }
     },
     "localname": "LineOfCreditFacilityDefaultTriggerCertainDefaultsOfOtherCompanyIndebtednessAmount",
     "nsuri": "http://naturalgaservices.com/20180630",
     "presentation": [
      "http://naturalgaservices.com/role/CreditFacilityDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ngs_LineOfCreditFacilityDefaultTriggerRenderingOfCertainJudgmentsAmount": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Line of Credit Facility, Default Trigger, Rendering of Certain Judgments, Amount",
        "label": "Line of Credit Facility, Default Trigger, Rendering of Certain Judgments, Amount",
        "terseLabel": "Default trigger, rendering of certain judgments, amount"
       }
      }
     },
     "localname": "LineOfCreditFacilityDefaultTriggerRenderingOfCertainJudgmentsAmount",
     "nsuri": "http://naturalgaservices.com/20180630",
     "presentation": [
      "http://naturalgaservices.com/role/CreditFacilityDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ngs_LineOfCreditFacilityPotentialIncreaseInBorrowingCapacity": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Line of Credit Facility, Potential Increase in Borrowing Capacity",
        "label": "Line of Credit Facility, Potential Increase in Borrowing Capacity",
        "terseLabel": "Potential increase in borrowing capacity"
       }
      }
     },
     "localname": "LineOfCreditFacilityPotentialIncreaseInBorrowingCapacity",
     "nsuri": "http://naturalgaservices.com/20180630",
     "presentation": [
      "http://naturalgaservices.com/role/CreditFacilityDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ngs_LineOfCreditFacilityPotentialMaximumBorrowingCapacity": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Line of Credit Facility, Potential Maximum Borrowing Capacity",
        "label": "Line of Credit Facility, Potential Maximum Borrowing Capacity",
        "terseLabel": "Potential maximum borrowing capacity"
       }
      }
     },
     "localname": "LineOfCreditFacilityPotentialMaximumBorrowingCapacity",
     "nsuri": "http://naturalgaservices.com/20180630",
     "presentation": [
      "http://naturalgaservices.com/role/CreditFacilityDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ngs_LineOfCreditFacilityReferenceRateNumberOfAllowableBorrowingsOutstanding": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Line of Credit Facility, Reference Rate, Number of Allowable Borrowings Outstanding (e.g. LIBOR Rate, CB Floating Rate, etc.)",
        "label": "Line of Credit Facility, Reference Rate, Number of Allowable Borrowings Outstanding",
        "terseLabel": "Reference rate, number of allowable LIBOR-based borrowings outstanding"
       }
      }
     },
     "localname": "LineOfCreditFacilityReferenceRateNumberOfAllowableBorrowingsOutstanding",
     "nsuri": "http://naturalgaservices.com/20180630",
     "presentation": [
      "http://naturalgaservices.com/role/CreditFacilityDetails"
     ],
     "xbrltype": "integerItemType"
    },
    "ngs_LineofCreditFacilityCommitmentCoverageRatio": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Line of Credit Facility, Minimum Commitment Coverage Ratio Allowed",
        "label": "Line of Credit Facility, Commitment Coverage Ratio",
        "terseLabel": "Minimum commitment coverage ratio allowed"
       }
      }
     },
     "localname": "LineofCreditFacilityCommitmentCoverageRatio",
     "nsuri": "http://naturalgaservices.com/20180630",
     "presentation": [
      "http://naturalgaservices.com/role/CreditFacilityDetails"
     ],
     "xbrltype": "pureItemType"
    },
    "ngs_LineofCreditFacilityLeverageRatio": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Line of Credit Facility, Maximum Leverage Ratio Allowed",
        "label": "Line of Credit Facility, Leverage Ratio",
        "terseLabel": "Maximum leverage ratio allowed"
       }
      }
     },
     "localname": "LineofCreditFacilityLeverageRatio",
     "nsuri": "http://naturalgaservices.com/20180630",
     "presentation": [
      "http://naturalgaservices.com/role/CreditFacilityDetails"
     ],
     "xbrltype": "pureItemType"
    },
    "ngs_OtherPartsRebuildsMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Other (Parts / Rebuilds) [Member]",
        "label": "Other (Parts / Rebuilds) [Member]",
        "terseLabel": "Other (Parts/Rebuilds) - sales"
       }
      }
     },
     "localname": "OtherPartsRebuildsMember",
     "nsuri": "http://naturalgaservices.com/20180630",
     "presentation": [
      "http://naturalgaservices.com/role/BasisofPresentationandSummaryofSignificantAccountingPoliciesDisaggregationofRevenueDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "ngs_ProceedsFromPurchaseCommitmentDiscountNet": {
     "auth_ref": [],
     "calculation": {
      "http://naturalgaservices.com/role/CondensedConsolidatedStatementsofCashFlowsUnaudited": {
       "order": 1.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Proceeds from Purchase Commitment Discount Net",
        "label": "Proceeds from Purchase Commitment Discount Net",
        "terseLabel": "Payments from other long-term liabilities, net"
       }
      }
     },
     "localname": "ProceedsFromPurchaseCommitmentDiscountNet",
     "nsuri": "http://naturalgaservices.com/20180630",
     "presentation": [
      "http://naturalgaservices.com/role/CondensedConsolidatedStatementsofCashFlowsUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ngs_ProductSalesMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Product Sales [Member]",
        "label": "Product Sales [Member]",
        "terseLabel": "Sales"
       }
      }
     },
     "localname": "ProductSalesMember",
     "nsuri": "http://naturalgaservices.com/20180630",
     "presentation": [
      "http://naturalgaservices.com/role/CondensedConsolidatedIncomeStatementsUnaudited"
     ],
     "xbrltype": "domainItemType"
    },
    "ngs_RangeFourMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Range Four [Member]",
        "label": "Range Four [Member]",
        "terseLabel": "$20.49-33.36"
       }
      }
     },
     "localname": "RangeFourMember",
     "nsuri": "http://naturalgaservices.com/20180630",
     "presentation": [
      "http://naturalgaservices.com/role/StockBasedCompensationStockOptionsOutstandingDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "ngs_RangeOneMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Range One [Member]",
        "label": "Range One [Member]",
        "terseLabel": "$0.01-15.70"
       }
      }
     },
     "localname": "RangeOneMember",
     "nsuri": "http://naturalgaservices.com/20180630",
     "presentation": [
      "http://naturalgaservices.com/role/StockBasedCompensationStockOptionsOutstandingDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "ngs_RangeThreeMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Range Three [Member]",
        "label": "Range Three [Member]",
        "terseLabel": "$17.82-20.48"
       }
      }
     },
     "localname": "RangeThreeMember",
     "nsuri": "http://naturalgaservices.com/20180630",
     "presentation": [
      "http://naturalgaservices.com/role/StockBasedCompensationStockOptionsOutstandingDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "ngs_RangeTwoMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Range Two [Member]",
        "label": "Range Two [Member]",
        "terseLabel": "$15.71-17.81"
       }
      }
     },
     "localname": "RangeTwoMember",
     "nsuri": "http://naturalgaservices.com/20180630",
     "presentation": [
      "http://naturalgaservices.com/role/StockBasedCompensationStockOptionsOutstandingDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "ngs_RentalEquipmentNet": {
     "auth_ref": [],
     "calculation": {
      "http://naturalgaservices.com/role/CondensedConsolidatedBalanceSheetsUnaudited": {
       "order": 2.0,
       "parentTag": "us-gaap_Assets",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Rental Equipment, Net",
        "label": "Rental Equipment, Net",
        "terseLabel": "Rental equipment, net of accumulated depreciation of $155,989 and $145,851, respectively"
       }
      }
     },
     "localname": "RentalEquipmentNet",
     "nsuri": "http://naturalgaservices.com/20180630",
     "presentation": [
      "http://naturalgaservices.com/role/CondensedConsolidatedBalanceSheetsUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ngs_RentalMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Rental [Member]",
        "label": "Rental [Member]",
        "terseLabel": "Rental"
       }
      }
     },
     "localname": "RentalMember",
     "nsuri": "http://naturalgaservices.com/20180630",
     "presentation": [
      "http://naturalgaservices.com/role/CondensedConsolidatedIncomeStatementsUnaudited",
      "http://naturalgaservices.com/role/SegmentInformationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "ngs_RevenueFromContractWithCustomerPolicyTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Revenue from Contract with Customer [Policy Text Block]",
        "label": "Revenue From Contract With Customer [Policy Text Block]",
        "terseLabel": "Revenue Recogntion"
       }
      }
     },
     "localname": "RevenueFromContractWithCustomerPolicyTextBlock",
     "nsuri": "http://naturalgaservices.com/20180630",
     "presentation": [
      "http://naturalgaservices.com/role/BasisofPresentationandSummaryofSignificantAccountingPoliciesPolicies"
     ],
     "xbrltype": "textBlockItemType"
    },
    "ngs_SalesServiceLineMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Sales Service Line [Member]",
        "label": "Sales Service Line [Member]",
        "terseLabel": "Sales"
       }
      }
     },
     "localname": "SalesServiceLineMember",
     "nsuri": "http://naturalgaservices.com/20180630",
     "presentation": [
      "http://naturalgaservices.com/role/SegmentInformationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "ngs_ServiceandMaintenanceMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Service and Maintenance [Member]",
        "label": "Service and Maintenance [Member]",
        "terseLabel": "Service and maintenance"
       }
      }
     },
     "localname": "ServiceandMaintenanceMember",
     "nsuri": "http://naturalgaservices.com/20180630",
     "presentation": [
      "http://naturalgaservices.com/role/BasisofPresentationandSummaryofSignificantAccountingPoliciesDisaggregationofRevenueDetails",
      "http://naturalgaservices.com/role/CondensedConsolidatedIncomeStatementsUnaudited",
      "http://naturalgaservices.com/role/SegmentInformationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "ngs_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsIntrinsicValueRollForward": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Share-based Compensation Arrangements by Share-based Payment Award, Options, Intrinsic Value [Abstract]",
        "label": "Share-based Compensation Arrangements by Share-based Payment Award, Options, Intrinsic Value [Roll Forward]",
        "terseLabel": "Aggregate \u2029Intrinsic \u2029Value\u2029(in thousands)"
       }
      }
     },
     "localname": "ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsIntrinsicValueRollForward",
     "nsuri": "http://naturalgaservices.com/20180630",
     "presentation": [
      "http://naturalgaservices.com/role/StockBasedCompensationStockOptionActivityDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "ngs_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsWeightedAverageRemainingContractualTermAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Share-based Compensation Arrangements by Share-based Payment Award, Options, Weighted Average Remaining Contractual Term [Abstract]",
        "label": "Share-based Compensation Arrangements by Share-based Payment Award, Options, Weighted Average Remaining Contractual Term [Abstract]",
        "terseLabel": "Weighted \u2029Average \u2029Remaining \u2029Contractual Life (years)"
       }
      }
     },
     "localname": "ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsWeightedAverageRemainingContractualTermAbstract",
     "nsuri": "http://naturalgaservices.com/20180630",
     "presentation": [
      "http://naturalgaservices.com/role/StockBasedCompensationStockOptionActivityDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "ngs_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsCanceledOrForfeitedNumberOfShares": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Share-based Compensation Arrangement By Share-based Payment Award, Options, Nonvested Options Canceled Or Forfeited, Number Of Shares",
        "label": "Share-based Compensation Arrangement By Share-based Payment Award, Options, Nonvested Options Canceled Or Forfeited, Number Of Shares",
        "negatedTerseLabel": "Canceled/Forfeited (in shares)"
       }
      }
     },
     "localname": "SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsCanceledOrForfeitedNumberOfShares",
     "nsuri": "http://naturalgaservices.com/20180630",
     "presentation": [
      "http://naturalgaservices.com/role/StockBasedCompensationSummaryofUnvestedStockOptionsDetails"
     ],
     "xbrltype": "sharesItemType"
    },
    "ngs_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsCanceledOrForfeitedWeightedAverageGrantDateFairValue": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Share-based Compensation Arrangement By Share-based Payment Award, Options, Nonvested Options Canceled Or Forfeited, Weighted Average Grant Date Fair Value",
        "label": "Share-based Compensation Arrangement By Share-based Payment Award, Options, Nonvested Options Canceled Or Forfeited, Weighted Average Grant Date Fair Value",
        "terseLabel": "Canceled/Forfeited, weighted average grant date fair value (in USD per share)"
       }
      }
     },
     "localname": "SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsCanceledOrForfeitedWeightedAverageGrantDateFairValue",
     "nsuri": "http://naturalgaservices.com/20180630",
     "presentation": [
      "http://naturalgaservices.com/role/StockBasedCompensationSummaryofUnvestedStockOptionsDetails"
     ],
     "xbrltype": "perShareItemType"
    },
    "ngs_TransferOfRentalEquipmentToInventory": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Transfer of Rental Equipment to Inventory",
        "label": "Transfer of Rental Equipment to Inventory",
        "terseLabel": "Transfer of rental equipment components to inventory"
       }
      }
     },
     "localname": "TransferOfRentalEquipmentToInventory",
     "nsuri": "http://naturalgaservices.com/20180630",
     "presentation": [
      "http://naturalgaservices.com/role/CondensedConsolidatedStatementsofCashFlowsUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ngs_VicePresidentofTechnicalServicesMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Vice President of Technical Services [Member]",
        "label": "Vice President of Technical Services [Member]",
        "terseLabel": "Vice President of Technical Services"
       }
      }
     },
     "localname": "VicePresidentofTechnicalServicesMember",
     "nsuri": "http://naturalgaservices.com/20180630",
     "presentation": [
      "http://naturalgaservices.com/role/StockBasedCompensationRestrictedStockDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "ngs_WeightedAverageSharesOutstandingBasicAndDilutedAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Weighted Average Shares Outstanding Basic and Diluted [Abstract]",
        "label": "Weighted Average Shares Outstanding Basic and Diluted [Abstract]",
        "terseLabel": "Weighted average shares outstanding:"
       }
      }
     },
     "localname": "WeightedAverageSharesOutstandingBasicAndDilutedAbstract",
     "nsuri": "http://naturalgaservices.com/20180630",
     "presentation": [
      "http://naturalgaservices.com/role/CondensedConsolidatedIncomeStatementsUnaudited"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_AccountingPoliciesAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Accounting Policies [Abstract]"
       }
      }
     },
     "localname": "AccountingPoliciesAbstract",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_AccountsPayableCurrent": {
     "auth_ref": [
      "r30"
     ],
     "calculation": {
      "http://naturalgaservices.com/role/CondensedConsolidatedBalanceSheetsUnaudited": {
       "order": 1.0,
       "parentTag": "us-gaap_LiabilitiesCurrent",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).",
        "label": "Accounts Payable, Current",
        "terseLabel": "Accounts payable"
       }
      }
     },
     "localname": "AccountsPayableCurrent",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/CondensedConsolidatedBalanceSheetsUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AccountsReceivableGrossCurrent": {
     "auth_ref": [
      "r12",
      "r190"
     ],
     "calculation": {
      "http://naturalgaservices.com/role/BasisofPresentationandSummaryofSignificantAccountingPoliciesContractBalancesDetails": {
       "order": 1.0,
       "parentTag": "us-gaap_AccountsReceivableNetCurrent",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amounts due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer) for goods or services (including trade receivables) that have been delivered or sold in the normal course of business.",
        "label": "Accounts Receivable, Gross, Current",
        "totalLabel": "Total Accounts Receivable"
       }
      }
     },
     "localname": "AccountsReceivableGrossCurrent",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/BasisofPresentationandSummaryofSignificantAccountingPoliciesContractBalancesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AccountsReceivableNetCurrent": {
     "auth_ref": [
      "r12",
      "r18"
     ],
     "calculation": {
      "http://naturalgaservices.com/role/BasisofPresentationandSummaryofSignificantAccountingPoliciesContractBalancesDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      },
      "http://naturalgaservices.com/role/CondensedConsolidatedBalanceSheetsUnaudited": {
       "order": 2.0,
       "parentTag": "us-gaap_AssetsCurrent",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), for goods or services (including trade receivables) that have been delivered or sold in the normal course of business, reduced to the estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection.",
        "label": "Accounts Receivable, Net, Current",
        "terseLabel": "Trade accounts receivable, net of allowance for doubtful accounts of $443 and $569, respectively",
        "totalLabel": "Total Accounts Receivable, net"
       }
      }
     },
     "localname": "AccountsReceivableNetCurrent",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/BasisofPresentationandSummaryofSignificantAccountingPoliciesContractBalancesDetails",
      "http://naturalgaservices.com/role/CondensedConsolidatedBalanceSheetsUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AccountsReceivableNetCurrentAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Accounts Receivable, Net, Current [Abstract]",
        "terseLabel": "Accounts Receivable"
       }
      }
     },
     "localname": "AccountsReceivableNetCurrentAbstract",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/BasisofPresentationandSummaryofSignificantAccountingPoliciesContractBalancesDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_AccruedLiabilitiesCurrent": {
     "auth_ref": [
      "r33"
     ],
     "calculation": {
      "http://naturalgaservices.com/role/CondensedConsolidatedBalanceSheetsUnaudited": {
       "order": 2.0,
       "parentTag": "us-gaap_LiabilitiesCurrent",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).",
        "label": "Accrued Liabilities, Current",
        "terseLabel": "Accrued liabilities"
       }
      }
     },
     "localname": "AccruedLiabilitiesCurrent",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/CondensedConsolidatedBalanceSheetsUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment": {
     "auth_ref": [
      "r28",
      "r111"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.",
        "label": "Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment",
        "terseLabel": "Accumulated depreciation, property and equipment"
       }
      }
     },
     "localname": "AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/CondensedConsolidatedBalanceSheetsUnauditedParentheticals"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AdditionalPaidInCapitalCommonStock": {
     "auth_ref": [
      "r13"
     ],
     "calculation": {
      "http://naturalgaservices.com/role/CondensedConsolidatedBalanceSheetsUnaudited": {
       "order": 3.0,
       "parentTag": "us-gaap_StockholdersEquity",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Value received from shareholders in common stock-related transactions that are in excess of par value or stated value and amounts received from other stock-related transactions. Includes only common stock transactions (excludes preferred stock transactions). May be called contributed capital, capital in excess of par, capital surplus, or paid-in capital.",
        "label": "Additional Paid in Capital, Common Stock",
        "terseLabel": "Additional paid-in capital"
       }
      }
     },
     "localname": "AdditionalPaidInCapitalCommonStock",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/CondensedConsolidatedBalanceSheetsUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract]",
        "terseLabel": "Adjustments to reconcile net income to net cash provided by operating\u00a0activities:"
       }
      }
     },
     "localname": "AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/CondensedConsolidatedStatementsofCashFlowsUnaudited"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_AllocatedShareBasedCompensationExpense": {
     "auth_ref": [
      "r142",
      "r161",
      "r166"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.",
        "label": "Allocated Share-based Compensation Expense",
        "terseLabel": "Share-based compensation expense"
       }
      }
     },
     "localname": "AllocatedShareBasedCompensationExpense",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/StockBasedCompensationRestrictedStockDetails",
      "http://naturalgaservices.com/role/StockBasedCompensationSummaryofUnvestedStockOptionsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent": {
     "auth_ref": [
      "r38",
      "r94"
     ],
     "calculation": {
      "http://naturalgaservices.com/role/BasisofPresentationandSummaryofSignificantAccountingPoliciesContractBalancesDetails": {
       "order": 2.0,
       "parentTag": "us-gaap_AccountsReceivableNetCurrent",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "A valuation allowance for trade and other receivables due to an Entity within one year (or the normal operating cycle, whichever is longer) that are expected to be uncollectible.",
        "label": "Allowance for Doubtful Accounts Receivable, Current",
        "negatedLabel": "Less:Allowance for doubtful accounts",
        "terseLabel": "Allowance for doubtful accounts"
       }
      }
     },
     "localname": "AllowanceForDoubtfulAccountsReceivableCurrent",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/BasisofPresentationandSummaryofSignificantAccountingPoliciesContractBalancesDetails",
      "http://naturalgaservices.com/role/CondensedConsolidatedBalanceSheetsUnauditedParentheticals"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount": {
     "auth_ref": [
      "r81"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.",
        "label": "Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount",
        "terseLabel": "Number of shares not included in the computation of dilutive income per share (in shares)"
       }
      }
     },
     "localname": "AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/EarningsperShareBasicandDilutedDetails"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.",
        "label": "Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]",
        "terseLabel": "Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]"
       }
      }
     },
     "localname": "AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/EarningsperShareBasicandDilutedDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ArrangementsAndNonarrangementTransactionsMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "This item is to be populated with the collective of (i) types (categories) of arrangements of the entity applicable to its revenue-generating activities or operations and non-arrangement transactions, including but not limited to, for instance, sales of product manufactured by the entity, if such comparison of arrangements as a component of all transactions is provided by the entity.",
        "label": "Arrangements and Non-arrangement Transactions [Domain]",
        "terseLabel": "Arrangements and Non-arrangement Transactions [Domain]"
       }
      }
     },
     "localname": "ArrangementsAndNonarrangementTransactionsMember",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/BasisofPresentationandSummaryofSignificantAccountingPoliciesDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_Assets": {
     "auth_ref": [
      "r181",
      "r191"
     ],
     "calculation": {
      "http://naturalgaservices.com/role/CondensedConsolidatedBalanceSheetsUnaudited": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.",
        "label": "Assets",
        "totalLabel": "Total assets"
       }
      }
     },
     "localname": "Assets",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/CondensedConsolidatedBalanceSheetsUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AssetsAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Assets [Abstract]",
        "terseLabel": "ASSETS"
       }
      }
     },
     "localname": "AssetsAbstract",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/CondensedConsolidatedBalanceSheetsUnaudited",
      "http://naturalgaservices.com/role/CondensedConsolidatedBalanceSheetsUnauditedParentheticals"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_AssetsCurrent": {
     "auth_ref": [
      "r5",
      "r7",
      "r41"
     ],
     "calculation": {
      "http://naturalgaservices.com/role/CondensedConsolidatedBalanceSheetsUnaudited": {
       "order": 1.0,
       "parentTag": "us-gaap_Assets",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Sum of the carrying amounts as of the balance sheet date of all assets that are expected to be realized in cash, sold, or consumed within one year (or the normal operating cycle, if longer). Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.",
        "label": "Assets, Current",
        "totalLabel": "Total current assets"
       }
      }
     },
     "localname": "AssetsCurrent",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/CondensedConsolidatedBalanceSheetsUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AssetsCurrentAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Assets, Current [Abstract]",
        "terseLabel": "Current Assets:"
       }
      }
     },
     "localname": "AssetsCurrentAbstract",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/CondensedConsolidatedBalanceSheetsUnaudited",
      "http://naturalgaservices.com/role/CondensedConsolidatedBalanceSheetsUnauditedParentheticals"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_AssetsNoncurrentAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Assets, Noncurrent [Abstract]",
        "terseLabel": "Noncurrent Assets:"
       }
      }
     },
     "localname": "AssetsNoncurrentAbstract",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/CondensedConsolidatedBalanceSheetsUnauditedParentheticals"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_AwardTypeAxis": {
     "auth_ref": [
      "r143",
      "r164"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by award type pertaining to equity-based compensation.",
        "label": "Award Type [Axis]",
        "terseLabel": "Award Type [Axis]"
       }
      }
     },
     "localname": "AwardTypeAxis",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/StockBasedCompensationRestrictedStockDetails",
      "http://naturalgaservices.com/role/StockBasedCompensationSummaryofUnvestedStockOptionsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_BasisOfAccountingPolicyPolicyTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Disclosure of accounting policy for basis of accounting, or basis of presentation, used to prepare the financial statements (for example, US Generally Accepted Accounting Principles, Other Comprehensive Basis of Accounting, IFRS).",
        "label": "Basis of Accounting, Policy [Policy Text Block]",
        "terseLabel": "Basis of Accounting"
       }
      }
     },
     "localname": "BasisOfAccountingPolicyPolicyTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/BasisofPresentationandSummaryofSignificantAccountingPoliciesPolicies"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_BasisOfPresentationAndSignificantAccountingPoliciesTextBlock": {
     "auth_ref": [
      "r75"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The entire disclosure for the basis of presentation and significant accounting policies concepts. Basis of presentation describes the underlying basis used to prepare the financial statements (for example, US Generally Accepted Accounting Principles, Other Comprehensive Basis of Accounting, IFRS).  Accounting policies describe all significant accounting policies of the reporting entity.",
        "label": "Basis of Presentation and Significant Accounting Policies [Text Block]",
        "terseLabel": "Basis of Presentation and Summary of Significant Accounting Policies"
       }
      }
     },
     "localname": "BasisOfPresentationAndSignificantAccountingPoliciesTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/BasisofPresentationandSummaryofSignificantAccountingPolicies"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_CashAndCashEquivalentsAtCarryingValue": {
     "auth_ref": [
      "r2",
      "r26",
      "r68"
     ],
     "calculation": {
      "http://naturalgaservices.com/role/CondensedConsolidatedBalanceSheetsUnaudited": {
       "order": 1.0,
       "parentTag": "us-gaap_AssetsCurrent",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.",
        "label": "Cash and Cash Equivalents, at Carrying Value",
        "periodEndLabel": "CASH AND CASH EQUIVALENTS AT END OF PERIOD",
        "periodStartLabel": "CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD",
        "terseLabel": "Cash and cash equivalents"
       }
      }
     },
     "localname": "CashAndCashEquivalentsAtCarryingValue",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/CondensedConsolidatedBalanceSheetsUnaudited",
      "http://naturalgaservices.com/role/CondensedConsolidatedStatementsofCashFlowsUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease": {
     "auth_ref": [
      "r60",
      "r176"
     ],
     "calculation": {
      "http://naturalgaservices.com/role/CondensedConsolidatedStatementsofCashFlowsUnaudited": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of increase (decrease) in cash and cash equivalents. Cash and cash equivalents are the amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Includes effect from exchange rate changes.",
        "label": "Cash and Cash Equivalents, Period Increase (Decrease)",
        "totalLabel": "NET CHANGE IN CASH AND CASH EQUIVALENTS"
       }
      }
     },
     "localname": "CashAndCashEquivalentsPeriodIncreaseDecrease",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/CondensedConsolidatedStatementsofCashFlowsUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract]",
        "terseLabel": "NON-CASH TRANSACTIONS"
       }
      }
     },
     "localname": "CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/CondensedConsolidatedStatementsofCashFlowsUnaudited"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ChiefExecutiveOfficerMember": {
     "auth_ref": [
      "r179"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Highest ranking executive officer, who has ultimate managerial responsibility for the entity and who reports to the board of directors. In addition, the chief executive officer (CEO) may also be the chairman of the board or president.",
        "label": "Chief Executive Officer [Member]",
        "terseLabel": "Chief Executive Officer"
       }
      }
     },
     "localname": "ChiefExecutiveOfficerMember",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/StockBasedCompensationRestrictedStockDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_ChiefFinancialOfficerMember": {
     "auth_ref": [
      "r179"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Senior executive officer responsible for overseeing the financial activities of the entity.",
        "label": "Chief Financial Officer [Member]",
        "terseLabel": "Chief Financial Officer"
       }
      }
     },
     "localname": "ChiefFinancialOfficerMember",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/StockBasedCompensationRestrictedStockDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_CommitmentsAndContingencies": {
     "auth_ref": [
      "r37",
      "r113",
      "r184",
      "r194"
     ],
     "calculation": {
      "http://naturalgaservices.com/role/CondensedConsolidatedBalanceSheetsUnaudited": {
       "order": 3.0,
       "parentTag": "us-gaap_LiabilitiesAndStockholdersEquity",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Represents the caption on the face of the balance sheet to indicate that the entity has entered into (1) purchase or supply arrangements that will require expending a portion of its resources to meet the terms thereof, and (2) is exposed to potential losses or, less frequently, gains, arising from (a) possible claims against a company's resources due to future performance under contract terms, and (b) possible losses or likely gains from uncertainties that will ultimately be resolved when one or more future events that are deemed likely to occur do occur or fail to occur.",
        "label": "Commitments and Contingencies",
        "terseLabel": "Commitments and contingencies (Note 8)"
       }
      }
     },
     "localname": "CommitmentsAndContingencies",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/CondensedConsolidatedBalanceSheetsUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_CommitmentsAndContingenciesDisclosureAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Commitments and Contingencies Disclosure [Abstract]",
        "terseLabel": "Commitments and Contingencies Disclosure [Abstract]"
       }
      }
     },
     "localname": "CommitmentsAndContingenciesDisclosureAbstract",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_CommonStockParOrStatedValuePerShare": {
     "auth_ref": [
      "r11"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Face amount or stated value per share of common stock.",
        "label": "Common Stock, Par or Stated Value Per Share",
        "terseLabel": "Common stock, par value (in USD per share)"
       }
      }
     },
     "localname": "CommonStockParOrStatedValuePerShare",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/CondensedConsolidatedBalanceSheetsUnauditedParentheticals"
     ],
     "xbrltype": "perShareItemType"
    },
    "us-gaap_CommonStockSharesAuthorized": {
     "auth_ref": [
      "r11"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The maximum number of common shares permitted to be issued by an entity's charter and bylaws.",
        "label": "Common Stock, Shares Authorized",
        "terseLabel": "Common stock, shares authorized"
       }
      }
     },
     "localname": "CommonStockSharesAuthorized",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/CondensedConsolidatedBalanceSheetsUnauditedParentheticals"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_CommonStockSharesIssued": {
     "auth_ref": [
      "r11"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.",
        "label": "Common Stock, Shares, Issued",
        "terseLabel": "Common stock, shares issued"
       }
      }
     },
     "localname": "CommonStockSharesIssued",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/CondensedConsolidatedBalanceSheetsUnauditedParentheticals"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_CommonStockSharesOutstanding": {
     "auth_ref": [
      "r11",
      "r118"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.",
        "label": "Common Stock, Shares, Outstanding",
        "terseLabel": "Common stock, shares outstanding"
       }
      }
     },
     "localname": "CommonStockSharesOutstanding",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/CondensedConsolidatedBalanceSheetsUnauditedParentheticals"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_CommonStockValue": {
     "auth_ref": [
      "r11"
     ],
     "calculation": {
      "http://naturalgaservices.com/role/CondensedConsolidatedBalanceSheetsUnaudited": {
       "order": 2.0,
       "parentTag": "us-gaap_StockholdersEquity",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Aggregate par or stated value of issued nonredeemable common stock (or common stock redeemable solely at the option of the issuer). This item includes treasury stock repurchased by the entity. Note: elements for number of nonredeemable common shares, par value and other disclosure concepts are in another section within stockholders' equity.",
        "label": "Common Stock, Value, Issued",
        "terseLabel": "Common stock, 30,000 shares authorized, par value $0.01; 12,968 and 12,880 shares issued and outstanding, respectively"
       }
      }
     },
     "localname": "CommonStockValue",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/CondensedConsolidatedBalanceSheetsUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_CompensationAndEmployeeBenefitPlansTextBlock": {
     "auth_ref": [
      "r137",
      "r138",
      "r139",
      "r167"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The entire disclosure for an entity's employee compensation and benefit plans, including, but not limited to, postemployment and postretirement benefit plans, defined benefit pension plans, defined contribution plans, non-qualified and supplemental benefit plans, deferred compensation, share-based compensation, life insurance, severance, health care, unemployment and other benefit plans.",
        "label": "Compensation and Employee Benefit Plans [Text Block]",
        "terseLabel": "Deferred Compensation Plans"
       }
      }
     },
     "localname": "CompensationAndEmployeeBenefitPlansTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/DeferredCompensationPlans"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_ConsolidationItemsAxis": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by components, eliminations, non-segment corporate-level activity and reconciling items used in consolidating a parent entity and its subsidiaries or its operating segments.",
        "label": "Consolidation Items [Axis]",
        "terseLabel": "Consolidation Items [Axis]"
       }
      }
     },
     "localname": "ConsolidationItemsAxis",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/SegmentInformationDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ConsolidationItemsDomain": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Components, elimination, non-segment corporate-level activity and reconciling items used in consolidating a parent entity and its subsidiaries or its operating segments.",
        "label": "Consolidation Items [Domain]",
        "terseLabel": "Consolidation Items [Domain]"
       }
      }
     },
     "localname": "ConsolidationItemsDomain",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/SegmentInformationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_ContractWithCustomerAssetAndLiabilityTableTextBlock": {
     "auth_ref": [
      "r127"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Tabular disclosure of contract balances and changes in contract balances.",
        "label": "Contract with Customer, Asset and Liability [Table Text Block]",
        "terseLabel": "Schedule of Contract with Customer, Asset and Liability"
       }
      }
     },
     "localname": "ContractWithCustomerAssetAndLiabilityTableTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/BasisofPresentationandSummaryofSignificantAccountingPoliciesTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_ContractWithCustomerAssetNetCurrent": {
     "auth_ref": [
      "r122",
      "r124"
     ],
     "calculation": {
      "http://naturalgaservices.com/role/BasisofPresentationandSummaryofSignificantAccountingPoliciesContractBalancesDetails": {
       "order": 1.0,
       "parentTag": "us-gaap_AccountsReceivableGrossCurrent",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount, after allowance for credit loss, of right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time, classified as current.",
        "label": "Contract with Customer, Asset, Net, Current",
        "terseLabel": "Accounts receivable - contracts with customers"
       }
      }
     },
     "localname": "ContractWithCustomerAssetNetCurrent",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/BasisofPresentationandSummaryofSignificantAccountingPoliciesContractBalancesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ContractWithCustomerLiabilityCurrent": {
     "auth_ref": [
      "r122",
      "r123",
      "r133"
     ],
     "calculation": {
      "http://naturalgaservices.com/role/CondensedConsolidatedBalanceSheetsUnaudited": {
       "order": 3.0,
       "parentTag": "us-gaap_LiabilitiesCurrent",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable, classified as current.",
        "label": "Contract with Customer, Liability, Current",
        "terseLabel": "Deferred income"
       }
      }
     },
     "localname": "ContractWithCustomerLiabilityCurrent",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/BasisofPresentationandSummaryofSignificantAccountingPoliciesContractBalancesDetails",
      "http://naturalgaservices.com/role/CondensedConsolidatedBalanceSheetsUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ContractWithCustomerLiabilityRevenueRecognized": {
     "auth_ref": [
      "r85",
      "r134"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of revenue recognized that was previously included in balance of obligation to transfer good or service to customer for which consideration from customer has been received or is due.",
        "label": "Contract with Customer, Liability, Revenue Recognized",
        "terseLabel": "Revenue recognized"
       }
      }
     },
     "localname": "ContractWithCustomerLiabilityRevenueRecognized",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/BasisofPresentationandSummaryofSignificantAccountingPoliciesContractBalancesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ContractualObligation": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of contractual obligation, including but not limited to, long-term debt, capital lease obligations, operating lease obligations, purchase obligations, and other commitments.",
        "label": "Contractual Obligation",
        "terseLabel": "Contractual obligation"
       }
      }
     },
     "localname": "ContractualObligation",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/CommitmentsandContingenciesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_CorporateNonSegmentMember": {
     "auth_ref": [
      "r91"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Corporate headquarters or functional department that may not earn revenues or may earn revenues that are only incidental to the activities of the entity and is not considered an operating segment.",
        "label": "Corporate, Non-Segment [Member]",
        "terseLabel": "Corporate"
       }
      }
     },
     "localname": "CorporateNonSegmentMember",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/SegmentInformationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_CostsAndExpenses": {
     "auth_ref": [
      "r45"
     ],
     "calculation": {
      "http://naturalgaservices.com/role/CondensedConsolidatedIncomeStatementsUnaudited": {
       "order": 2.0,
       "parentTag": "us-gaap_OperatingIncomeLoss",
       "weight": -1.0
      },
      "http://naturalgaservices.com/role/SegmentInformationDetails": {
       "order": 3.0,
       "parentTag": "us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Total costs of sales and operating expenses for the period.",
        "label": "Costs and Expenses",
        "terseLabel": "Operating costs and corporate expenses",
        "totalLabel": "Total operating costs and expenses"
       }
      }
     },
     "localname": "CostsAndExpenses",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/CondensedConsolidatedIncomeStatementsUnaudited",
      "http://naturalgaservices.com/role/SegmentInformationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_CostsAndExpensesAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Costs and Expenses [Abstract]",
        "terseLabel": "Operating costs and expenses:"
       }
      }
     },
     "localname": "CostsAndExpensesAbstract",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/CondensedConsolidatedIncomeStatementsUnaudited"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_CreditFacilityAxis": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by type of credit facility. Credit facilities provide capital to borrowers without the need to structure a loan for each borrowing.",
        "label": "Credit Facility [Axis]",
        "terseLabel": "Credit Facility [Axis]"
       }
      }
     },
     "localname": "CreditFacilityAxis",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/CreditFacilityDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_CreditFacilityDomain": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Type of credit facility. Credit facilities provide capital to borrowers without the need to structure a loan for each borrowing.",
        "label": "Credit Facility [Domain]",
        "terseLabel": "Credit Facility [Domain]"
       }
      }
     },
     "localname": "CreditFacilityDomain",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/CreditFacilityDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_DebtDisclosureAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Debt Disclosure [Abstract]"
       }
      }
     },
     "localname": "DebtDisclosureAbstract",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_DebtDisclosureTextBlock": {
     "auth_ref": [
      "r117"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The entire disclosure for information about short-term and long-term debt arrangements, which includes amounts of borrowings under each line of credit, note payable, commercial paper issue, bonds indenture, debenture issue, own-share lending arrangements and any other contractual agreement to repay funds, and about the underlying arrangements, rationale for a classification as long-term, including repayment terms, interest rates, collateral provided, restrictions on use of assets and activities, whether or not in compliance with debt covenants, and other matters important to users of the financial statements, such as the effects of refinancing and noncompliance with debt covenants.",
        "label": "Debt Disclosure [Text Block]",
        "terseLabel": "Credit Facility"
       }
      }
     },
     "localname": "DebtDisclosureTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/CreditFacility"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_DebtInstrumentBasisSpreadOnVariableRate1": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Percentage points added to the reference rate to compute the variable rate on the debt instrument.",
        "label": "Debt Instrument, Basis Spread on Variable Rate",
        "terseLabel": "Variable rate, applicable margin"
       }
      }
     },
     "localname": "DebtInstrumentBasisSpreadOnVariableRate1",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/CreditFacilityDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "us-gaap_DeferredCompensationArrangementWithIndividualFairValueOfSharesIssued": {
     "auth_ref": [
      "r152"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The total fair value of shares issued during the period under a deferred compensation arrangement.",
        "label": "Deferred Compensation Arrangement with Individual, Fair Value of Shares Issued",
        "terseLabel": "Deferred compensation arrangement, fair value of shares issued"
       }
      }
     },
     "localname": "DeferredCompensationArrangementWithIndividualFairValueOfSharesIssued",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/DeferredCompensationPlansDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DeferredCompensationArrangementWithIndividualRecordedLiability": {
     "auth_ref": [
      "r136"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The carrying amount of the liability as of the balance sheet date to an individual under a deferred compensation arrangement. This amount may be the result of periodic accruals made over the period of active employment, or reflect termination benefits resulting contractual terms or a death benefit.",
        "label": "Deferred Compensation Arrangement with Individual, Recorded Liability",
        "terseLabel": "Deferred compensation obligation"
       }
      }
     },
     "localname": "DeferredCompensationArrangementWithIndividualRecordedLiability",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/DeferredCompensationPlansDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DeferredCompensationArrangementWithIndividualSharesIssued": {
     "auth_ref": [
      "r163"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Number of shares issued pursuant to the terms of a deferred compensation arrangement.",
        "label": "Deferred Compensation Arrangement with Individual, Shares Issued",
        "terseLabel": "Deferred compensation arrangement with individual, shares issued (in shares)"
       }
      }
     },
     "localname": "DeferredCompensationArrangementWithIndividualSharesIssued",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/DeferredCompensationPlansDetails"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_DeferredIncomeTaxExpenseBenefit": {
     "auth_ref": [
      "r66",
      "r71",
      "r171",
      "r172"
     ],
     "calculation": {
      "http://naturalgaservices.com/role/CondensedConsolidatedStatementsofCashFlowsUnaudited": {
       "order": 3.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of deferred income tax expense (benefit) pertaining to income (loss) from continuing operations.",
        "label": "Deferred Income Tax Expense (Benefit)",
        "terseLabel": "Deferred income taxes"
       }
      }
     },
     "localname": "DeferredIncomeTaxExpenseBenefit",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/CondensedConsolidatedStatementsofCashFlowsUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DeferredIncomeTaxLiabilitiesNet": {
     "auth_ref": [
      "r168",
      "r169"
     ],
     "calculation": {
      "http://naturalgaservices.com/role/CondensedConsolidatedBalanceSheetsUnaudited": {
       "order": 2.0,
       "parentTag": "us-gaap_Liabilities",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences with jurisdictional netting.",
        "label": "Deferred Income Tax Liabilities, Net",
        "terseLabel": "Deferred income tax liability"
       }
      }
     },
     "localname": "DeferredIncomeTaxLiabilitiesNet",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/CondensedConsolidatedBalanceSheetsUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DepreciationDepletionAndAmortization": {
     "auth_ref": [
      "r66"
     ],
     "calculation": {
      "http://naturalgaservices.com/role/CondensedConsolidatedIncomeStatementsUnaudited": {
       "order": 5.0,
       "parentTag": "us-gaap_CostsAndExpenses",
       "weight": 1.0
      },
      "http://naturalgaservices.com/role/CondensedConsolidatedStatementsofCashFlowsUnaudited": {
       "order": 2.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets.",
        "label": "Depreciation, Depletion and Amortization",
        "terseLabel": "Depreciation and amortization"
       }
      }
     },
     "localname": "DepreciationDepletionAndAmortization",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/CondensedConsolidatedIncomeStatementsUnaudited",
      "http://naturalgaservices.com/role/CondensedConsolidatedStatementsofCashFlowsUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DirectCostsOfLeasedAndRentedPropertyOrEquipment": {
     "auth_ref": [
      "r47"
     ],
     "calculation": {
      "http://naturalgaservices.com/role/CondensedConsolidatedIncomeStatementsUnaudited": {
       "order": 1.0,
       "parentTag": "us-gaap_CostsAndExpenses",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of expense incurred and directly related to generating revenue from leased and rented property or equipment.",
        "label": "Direct Costs of Leased and Rented Property or Equipment",
        "terseLabel": "Cost of rentals, exclusive of depreciation stated separately below"
       }
      }
     },
     "localname": "DirectCostsOfLeasedAndRentedPropertyOrEquipment",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/CondensedConsolidatedIncomeStatementsUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DirectorMember": {
     "auth_ref": [
      "r179"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Person serving on the board of directors (who collectively have responsibility for governing the entity).",
        "label": "Director [Member]",
        "terseLabel": "Directors"
       }
      }
     },
     "localname": "DirectorMember",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/StockBasedCompensationRestrictedStockDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_DisaggregationOfRevenueLineItems": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.",
        "label": "Disaggregation of Revenue [Line Items]",
        "terseLabel": "Disaggregation of Revenue [Line Items]"
       }
      }
     },
     "localname": "DisaggregationOfRevenueLineItems",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/BasisofPresentationandSummaryofSignificantAccountingPoliciesDisaggregationofRevenueDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_DisaggregationOfRevenueTable": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Disclosure of information about disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor.",
        "label": "Disaggregation of Revenue [Table]",
        "terseLabel": "Disaggregation of Revenue [Table]"
       }
      }
     },
     "localname": "DisaggregationOfRevenueTable",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/BasisofPresentationandSummaryofSignificantAccountingPoliciesDisaggregationofRevenueDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_DisaggregationOfRevenueTableTextBlock": {
     "auth_ref": [
      "r132"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor.",
        "label": "Disaggregation of Revenue [Table Text Block]",
        "terseLabel": "Disaggregation of Revenue"
       }
      }
     },
     "localname": "DisaggregationOfRevenueTableTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/BasisofPresentationandSummaryofSignificantAccountingPoliciesTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock": {
     "auth_ref": [
      "r120",
      "r167"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The entire disclosure for compensation-related costs for equity-based compensation, which may include disclosure of policies, compensation plan details, allocation of equity compensation, incentive distributions, equity-based arrangements to obtain goods and services, deferred compensation arrangements, employee stock ownership plan details and employee stock purchase plan details.",
        "label": "Disclosure of Compensation Related Costs, Share-based Payments [Text Block]",
        "terseLabel": "Stock-Based Compensation"
       }
      }
     },
     "localname": "DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/StockBasedCompensation"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Disclosure of Compensation Related Costs, Share-based Payments [Abstract]"
       }
      }
     },
     "localname": "DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_EarningsPerShareAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Earnings Per Share [Abstract]",
        "terseLabel": "Earnings per share:"
       }
      }
     },
     "localname": "EarningsPerShareAbstract",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/CondensedConsolidatedIncomeStatementsUnaudited"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_EarningsPerShareBasic": {
     "auth_ref": [
      "r44",
      "r78",
      "r82",
      "r83",
      "r187",
      "r196"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.",
        "label": "Earnings Per Share, Basic",
        "terseLabel": "Basic (in USD per share)"
       }
      }
     },
     "localname": "EarningsPerShareBasic",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/CondensedConsolidatedIncomeStatementsUnaudited",
      "http://naturalgaservices.com/role/EarningsperShareBasicandDilutedDetails"
     ],
     "xbrltype": "perShareItemType"
    },
    "us-gaap_EarningsPerShareBasicAndDilutedAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Earnings Per Share, Basic and Diluted [Abstract]",
        "terseLabel": "Earnings per common share:"
       }
      }
     },
     "localname": "EarningsPerShareBasicAndDilutedAbstract",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/EarningsperShareBasicandDilutedDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_EarningsPerShareDiluted": {
     "auth_ref": [
      "r44",
      "r78",
      "r187",
      "r196"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.",
        "label": "Earnings Per Share, Diluted",
        "terseLabel": "Diluted (in USD per share)"
       }
      }
     },
     "localname": "EarningsPerShareDiluted",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/CondensedConsolidatedIncomeStatementsUnaudited",
      "http://naturalgaservices.com/role/EarningsperShareBasicandDilutedDetails"
     ],
     "xbrltype": "perShareItemType"
    },
    "us-gaap_EarningsPerShareTextBlock": {
     "auth_ref": [
      "r84"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The entire disclosure for earnings per share.",
        "label": "Earnings Per Share [Text Block]",
        "terseLabel": "Earnings per Share"
       }
      }
     },
     "localname": "EarningsPerShareTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/EarningsperShare"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized": {
     "auth_ref": [
      "r162"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Unrecognized cost of unvested share-based compensation awards.",
        "label": "Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized",
        "terseLabel": "Total unrecognized compensation expense"
       }
      }
     },
     "localname": "EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/StockBasedCompensationRestrictedStockDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1": {
     "auth_ref": [
      "r162"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.",
        "label": "Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition",
        "terseLabel": "Unrecognized compensation cost related to awards, weighted average period for recognition",
        "verboseLabel": "Unrecognized compensation cost related to awards, vesting period"
       }
      }
     },
     "localname": "EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/StockBasedCompensationRestrictedStockDetails",
      "http://naturalgaservices.com/role/StockBasedCompensationSummaryofUnvestedStockOptionsDetails"
     ],
     "xbrltype": "durationItemType"
    },
    "us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions": {
     "auth_ref": [
      "r162"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Unrecognized cost of unvested options awarded to employees as compensation.",
        "label": "Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Stock Options",
        "terseLabel": "Unrecognized compensation cost related to unvested options"
       }
      }
     },
     "localname": "EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/StockBasedCompensationSummaryofUnvestedStockOptionsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_EmployeeStockOptionMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "An arrangement whereby an employee is entitled to receive in the future, subject to vesting and other restrictions, a number of shares in the entity at a specified price, as defined in the agreement. Although there are variations, normally, after vesting, when an option is exercised, the employee-holder pays the strike value in cash to the issuing employer-entity and receives equity shares. The equity shares can be sold into the market for cash at the current market price without restriction. Options may be used to attract, retain and incentivize employees, in addition to their regular salary and other benefits.",
        "label": "Employee Stock Option [Member]",
        "terseLabel": "Stock Options"
       }
      }
     },
     "localname": "EmployeeStockOptionMember",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/StockBasedCompensationSummaryofUnvestedStockOptionsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_EntityWideInformationRevenueFromExternalCustomerLineItems": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.",
        "label": "Revenue from External Customer [Line Items]",
        "terseLabel": "Revenue from External Customer [Line Items]"
       }
      }
     },
     "localname": "EntityWideInformationRevenueFromExternalCustomerLineItems",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/BasisofPresentationandSummaryofSignificantAccountingPoliciesDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_FairValueOfFinancialInstrumentsPolicy": {
     "auth_ref": [
      "r70",
      "r174",
      "r175"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Disclosure of accounting policy for determining the fair value of financial instruments.",
        "label": "Fair Value of Financial Instruments, Policy [Policy Text Block]",
        "terseLabel": "Fair Value of Financial Instruments"
       }
      }
     },
     "localname": "FairValueOfFinancialInstrumentsPolicy",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/BasisofPresentationandSummaryofSignificantAccountingPoliciesPolicies"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_GainLossOnDispositionOfAssets": {
     "auth_ref": [
      "r1",
      "r112"
     ],
     "calculation": {
      "http://naturalgaservices.com/role/CondensedConsolidatedStatementsofCashFlowsUnaudited": {
       "order": 6.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of gain (loss) on sale or disposal of property, plant and equipment assets, excluding oil and gas property and timber property.",
        "label": "Gain (Loss) on Disposition of Property Plant Equipment, Excluding Oil and Gas Property and Timber Property",
        "negatedTerseLabel": "Gain on sale of assets"
       }
      }
     },
     "localname": "GainLossOnDispositionOfAssets",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/CondensedConsolidatedStatementsofCashFlowsUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_Goodwill": {
     "auth_ref": [
      "r105",
      "r106",
      "r107"
     ],
     "calculation": {
      "http://naturalgaservices.com/role/CondensedConsolidatedBalanceSheetsUnaudited": {
       "order": 4.0,
       "parentTag": "us-gaap_Assets",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.",
        "label": "Goodwill",
        "terseLabel": "Goodwill"
       }
      }
     },
     "localname": "Goodwill",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/CondensedConsolidatedBalanceSheetsUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest": {
     "auth_ref": [
      "r42",
      "r180",
      "r185",
      "r197"
     ],
     "calculation": {
      "http://naturalgaservices.com/role/CondensedConsolidatedIncomeStatementsUnaudited": {
       "order": 1.0,
       "parentTag": "us-gaap_NetIncomeLoss",
       "weight": 1.0
      },
      "http://naturalgaservices.com/role/SegmentInformationDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.",
        "label": "Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest",
        "totalLabel": "Income before provision for income taxes"
       }
      }
     },
     "localname": "IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/CondensedConsolidatedIncomeStatementsUnaudited",
      "http://naturalgaservices.com/role/SegmentInformationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_IncomeStatementAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Income Statement [Abstract]"
       }
      }
     },
     "localname": "IncomeStatementAbstract",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_IncomeTaxExpenseBenefit": {
     "auth_ref": [
      "r73",
      "r170"
     ],
     "calculation": {
      "http://naturalgaservices.com/role/CondensedConsolidatedIncomeStatementsUnaudited": {
       "order": 2.0,
       "parentTag": "us-gaap_NetIncomeLoss",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.",
        "label": "Income Tax Expense (Benefit)",
        "terseLabel": "Provision for income taxes"
       }
      }
     },
     "localname": "IncomeTaxExpenseBenefit",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/CondensedConsolidatedIncomeStatementsUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_IncomeTaxesPaid": {
     "auth_ref": [
      "r62",
      "r69"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income.",
        "label": "Income Taxes Paid",
        "terseLabel": "Income taxes paid"
       }
      }
     },
     "localname": "IncomeTaxesPaid",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/CondensedConsolidatedStatementsofCashFlowsUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities": {
     "auth_ref": [
      "r65"
     ],
     "calculation": {
      "http://naturalgaservices.com/role/CondensedConsolidatedStatementsofCashFlowsUnaudited": {
       "order": 11.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The increase (decrease) during the reporting period in the amounts payable to vendors for goods and services received and the amount of obligations and expenses incurred but not paid.",
        "label": "Increase (Decrease) in Accounts Payable and Accrued Liabilities",
        "terseLabel": "Accounts payable and accrued liabilities"
       }
      }
     },
     "localname": "IncreaseDecreaseInAccountsPayableAndAccruedLiabilities",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/CondensedConsolidatedStatementsofCashFlowsUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_IncreaseDecreaseInAccountsReceivable": {
     "auth_ref": [
      "r65"
     ],
     "calculation": {
      "http://naturalgaservices.com/role/CondensedConsolidatedStatementsofCashFlowsUnaudited": {
       "order": 8.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The increase (decrease) during the reporting period in amount due within one year (or one business cycle) from customers for the credit sale of goods and services.",
        "label": "Increase (Decrease) in Accounts Receivable",
        "negatedTerseLabel": "Trade accounts receivables"
       }
      }
     },
     "localname": "IncreaseDecreaseInAccountsReceivable",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/CondensedConsolidatedStatementsofCashFlowsUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_IncreaseDecreaseInInventories": {
     "auth_ref": [
      "r65"
     ],
     "calculation": {
      "http://naturalgaservices.com/role/CondensedConsolidatedStatementsofCashFlowsUnaudited": {
       "order": 9.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The increase (decrease) during the reporting period in the aggregate value of all inventory held by the reporting entity, associated with underlying transactions that are classified as operating activities.",
        "label": "Increase (Decrease) in Inventories",
        "negatedTerseLabel": "Inventory"
       }
      }
     },
     "localname": "IncreaseDecreaseInInventories",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/CondensedConsolidatedStatementsofCashFlowsUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_IncreaseDecreaseInOperatingCapitalAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Increase (Decrease) in Operating Capital [Abstract]",
        "terseLabel": "Changes in operating assets and liabilities:"
       }
      }
     },
     "localname": "IncreaseDecreaseInOperatingCapitalAbstract",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/CondensedConsolidatedStatementsofCashFlowsUnaudited"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_IncreaseDecreaseInOtherCurrentAssets": {
     "auth_ref": [],
     "calculation": {
      "http://naturalgaservices.com/role/CondensedConsolidatedStatementsofCashFlowsUnaudited": {
       "order": 13.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of increase (decrease) in current assets classified as other.",
        "label": "Increase (Decrease) in Other Current Assets",
        "negatedLabel": "Other"
       }
      }
     },
     "localname": "IncreaseDecreaseInOtherCurrentAssets",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/CondensedConsolidatedStatementsofCashFlowsUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets": {
     "auth_ref": [
      "r65"
     ],
     "calculation": {
      "http://naturalgaservices.com/role/CondensedConsolidatedStatementsofCashFlowsUnaudited": {
       "order": 10.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of increase (decrease) in prepaid expenses, and assets classified as other.",
        "label": "Increase (Decrease) in Prepaid Expense and Other Assets",
        "negatedTerseLabel": "Prepaid expenses and prepaid income taxes"
       }
      }
     },
     "localname": "IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/CondensedConsolidatedStatementsofCashFlowsUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements": {
     "auth_ref": [
      "r79",
      "r82"
     ],
     "calculation": {
      "http://naturalgaservices.com/role/EarningsperShareBasicandDilutedDetails": {
       "order": 2.0,
       "parentTag": "us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding",
       "weight": 1.0
      }
     },
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of share based payment arrangements using the treasury stock method.",
        "label": "Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements",
        "terseLabel": "Dilutive effect of stock options and restricted stock (in shares)"
       }
      }
     },
     "localname": "IncrementalCommonSharesAttributableToShareBasedPaymentArrangements",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/EarningsperShareBasicandDilutedDetails"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_IntangibleAssetsNetExcludingGoodwill": {
     "auth_ref": [
      "r109",
      "r110"
     ],
     "calculation": {
      "http://naturalgaservices.com/role/CondensedConsolidatedBalanceSheetsUnaudited": {
       "order": 5.0,
       "parentTag": "us-gaap_Assets",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges.",
        "label": "Intangible Assets, Net (Excluding Goodwill)",
        "terseLabel": "Intangibles, net of accumulated amortization of $1,695 and $1,632, respectively"
       }
      }
     },
     "localname": "IntangibleAssetsNetExcludingGoodwill",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/CondensedConsolidatedBalanceSheetsUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_InterestExpense": {
     "auth_ref": [
      "r177",
      "r178",
      "r188"
     ],
     "calculation": {
      "http://naturalgaservices.com/role/CondensedConsolidatedIncomeStatementsUnaudited": {
       "order": 1.0,
       "parentTag": "us-gaap_NonoperatingIncomeExpense",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of the cost of borrowed funds accounted for as interest expense.",
        "label": "Interest Expense",
        "negatedTerseLabel": "Interest expense"
       }
      }
     },
     "localname": "InterestExpense",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/CondensedConsolidatedIncomeStatementsUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_InterestPaid": {
     "auth_ref": [
      "r61",
      "r69"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of cash paid for interest. Includes, but is not limited to, payment to settle zero-coupon bond attributable to accreted interest of debt discount and debt instrument with insignificant coupon interest rate in relation to effective interest rate of borrowing attributable to accreted interest of debt discount.",
        "label": "Interest Paid",
        "terseLabel": "Interest paid"
       }
      }
     },
     "localname": "InterestPaid",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/CondensedConsolidatedStatementsofCashFlowsUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_InventoryDisclosureAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Inventory Disclosure [Abstract]"
       }
      }
     },
     "localname": "InventoryDisclosureAbstract",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_InventoryDisclosureTextBlock": {
     "auth_ref": [
      "r102"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The entire disclosure for inventory. Includes, but is not limited to, the basis of stating inventory, the method of determining inventory cost, the classes of inventory, and the nature of the cost elements included in inventory.",
        "label": "Inventory Disclosure [Text Block]",
        "terseLabel": "Inventory"
       }
      }
     },
     "localname": "InventoryDisclosureTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/Inventory"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_InventoryFinishedGoodsNetOfReserves": {
     "auth_ref": [
      "r19",
      "r101"
     ],
     "calculation": {
      "http://naturalgaservices.com/role/InventoryDetails": {
       "order": 3.0,
       "parentTag": "ngs_InventoryCurrentAndNoncurrentNet",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Carrying amount, net of valuation reserves and adjustments, as of the balance sheet date of merchandise or goods held by the company that are readily available for sale.",
        "label": "Inventory, Finished Goods, Net of Reserves",
        "terseLabel": "Finished Goods"
       }
      }
     },
     "localname": "InventoryFinishedGoodsNetOfReserves",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/InventoryDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_InventoryNet": {
     "auth_ref": [
      "r3",
      "r39",
      "r99"
     ],
     "calculation": {
      "http://naturalgaservices.com/role/CondensedConsolidatedBalanceSheetsUnaudited": {
       "order": 3.0,
       "parentTag": "us-gaap_AssetsCurrent",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer.",
        "label": "Inventory, Net",
        "terseLabel": "Inventory"
       }
      }
     },
     "localname": "InventoryNet",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/CondensedConsolidatedBalanceSheetsUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_InventoryNoncurrent": {
     "auth_ref": [
      "r40"
     ],
     "calculation": {
      "http://naturalgaservices.com/role/CondensedConsolidatedBalanceSheetsUnaudited": {
       "order": 7.0,
       "parentTag": "us-gaap_Assets",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Inventories not expected to be converted to cash, sold or exchanged within the normal operating cycle.",
        "label": "Inventory, Noncurrent",
        "terseLabel": "Long-term inventory, net of allowance for obsolescence of $21 and $15, respectively"
       }
      }
     },
     "localname": "InventoryNoncurrent",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/CondensedConsolidatedBalanceSheetsUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_InventoryValuationReserves": {
     "auth_ref": [
      "r39",
      "r74",
      "r99",
      "r100"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of valuation reserve for inventory.",
        "label": "Inventory Valuation Reserves",
        "terseLabel": "Allowance for inventory obsolescence"
       }
      }
     },
     "localname": "InventoryValuationReserves",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/CondensedConsolidatedBalanceSheetsUnauditedParentheticals",
      "http://naturalgaservices.com/role/InventoryDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_InventoryWorkInProcessNetOfReserves": {
     "auth_ref": [
      "r20",
      "r101"
     ],
     "calculation": {
      "http://naturalgaservices.com/role/InventoryDetails": {
       "order": 4.0,
       "parentTag": "ngs_InventoryCurrentAndNoncurrentNet",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Carrying amount, net of reserves and adjustments, as of the balance sheet date of merchandise or goods which are partially completed. This inventory is generally comprised of raw materials, labor and factory overhead costs, which require further materials, labor and overhead to be converted into finished goods, and which generally require the use of estimates to determine percentage complete and pricing.",
        "label": "Inventory, Work in Process, Net of Reserves",
        "terseLabel": "Work in process"
       }
      }
     },
     "localname": "InventoryWorkInProcessNetOfReserves",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/InventoryDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LegalMattersAndContingenciesTextBlock": {
     "auth_ref": [
      "r114"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The entire disclosure for legal proceedings, legal contingencies, litigation, regulatory and environmental matters and other contingencies.",
        "label": "Legal Matters and Contingencies [Text Block]",
        "terseLabel": "Commitments and Contingencies"
       }
      }
     },
     "localname": "LegalMattersAndContingenciesTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/CommitmentsandContingencies"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_Liabilities": {
     "auth_ref": [
      "r32"
     ],
     "calculation": {
      "http://naturalgaservices.com/role/CondensedConsolidatedBalanceSheetsUnaudited": {
       "order": 1.0,
       "parentTag": "us-gaap_LiabilitiesAndStockholdersEquity",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Sum of the carrying amounts as of the balance sheet date of all liabilities that are recognized. Liabilities are probable future sacrifices of economic benefits arising from present obligations of an entity to transfer assets or provide services to other entities in the future.",
        "label": "Liabilities",
        "totalLabel": "Total liabilities"
       }
      }
     },
     "localname": "Liabilities",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/CondensedConsolidatedBalanceSheetsUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LiabilitiesAndStockholdersEquity": {
     "auth_ref": [
      "r17",
      "r183",
      "r193"
     ],
     "calculation": {
      "http://naturalgaservices.com/role/CondensedConsolidatedBalanceSheetsUnaudited": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of liabilities and equity items, including the portion of equity attributable to noncontrolling interests, if any.",
        "label": "Liabilities and Equity",
        "totalLabel": "Total liabilities and stockholders' equity"
       }
      }
     },
     "localname": "LiabilitiesAndStockholdersEquity",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/CondensedConsolidatedBalanceSheetsUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LiabilitiesAndStockholdersEquityAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Liabilities and Equity [Abstract]",
        "terseLabel": "LIABILITIES AND STOCKHOLDERS' EQUITY"
       }
      }
     },
     "localname": "LiabilitiesAndStockholdersEquityAbstract",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/CondensedConsolidatedBalanceSheetsUnaudited",
      "http://naturalgaservices.com/role/CondensedConsolidatedBalanceSheetsUnauditedParentheticals"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_LiabilitiesCurrent": {
     "auth_ref": [
      "r34"
     ],
     "calculation": {
      "http://naturalgaservices.com/role/CondensedConsolidatedBalanceSheetsUnaudited": {
       "order": 1.0,
       "parentTag": "us-gaap_Liabilities",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Total obligations incurred as part of normal operations that are expected to be paid during the following twelve months or within one business cycle, if longer.",
        "label": "Liabilities, Current",
        "totalLabel": "Total current liabilities"
       }
      }
     },
     "localname": "LiabilitiesCurrent",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/CondensedConsolidatedBalanceSheetsUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LiabilitiesCurrentAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Liabilities, Current [Abstract]",
        "terseLabel": "Current Liabilities:"
       }
      }
     },
     "localname": "LiabilitiesCurrentAbstract",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/CondensedConsolidatedBalanceSheetsUnaudited"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_LifeInsuranceCorporateOrBankOwnedAmount": {
     "auth_ref": [
      "r27",
      "r96"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "This item represents the amount that could be realized under a life insurance contract or contracts owned by the Entity as of the date of the statement of financial position. Such Entity-owned life insurance policies are commonly known as corporate-owned life insurance (COLI) or bank-owned life insurance (BOLI).",
        "label": "Life Insurance, Corporate or Bank Owned, Amount",
        "terseLabel": "Company owned life insurance"
       }
      }
     },
     "localname": "LifeInsuranceCorporateOrBankOwnedAmount",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/DeferredCompensationPlansDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LifeInsuranceCorporateOrBankOwnedChangeInValue": {
     "auth_ref": [
      "r97"
     ],
     "calculation": {
      "http://naturalgaservices.com/role/CondensedConsolidatedStatementsofCashFlowsUnaudited": {
       "order": 7.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The change in cash surrender or contract value during the period which adjusted the amount of premiums paid in determining the expense or income recognized under the contract for the period.",
        "label": "Life Insurance, Corporate or Bank Owned, Change in Value",
        "negatedLabel": "Loss (gain) on company owned life insurance"
       }
      }
     },
     "localname": "LifeInsuranceCorporateOrBankOwnedChangeInValue",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/CondensedConsolidatedStatementsofCashFlowsUnaudited",
      "http://naturalgaservices.com/role/DeferredCompensationPlansDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LineOfCredit": {
     "auth_ref": [
      "r9",
      "r182",
      "r189"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.",
        "label": "Long-term Line of Credit",
        "verboseLabel": "Line of credit balance"
       }
      }
     },
     "localname": "LineOfCredit",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/CreditFacilityDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity": {
     "auth_ref": [
      "r31"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility.",
        "label": "Line of Credit Facility, Current Borrowing Capacity",
        "terseLabel": "Borrowing base amount available"
       }
      }
     },
     "localname": "LineOfCreditFacilityCurrentBorrowingCapacity",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/CreditFacilityDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LineOfCreditFacilityInterestRateDuringPeriod": {
     "auth_ref": [
      "r31"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The effective interest rate during the reporting period.",
        "label": "Line of Credit Facility, Interest Rate During Period",
        "terseLabel": "Weighted average interest rate"
       }
      }
     },
     "localname": "LineOfCreditFacilityInterestRateDuringPeriod",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/CreditFacilityDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "us-gaap_LineOfCreditFacilityLineItems": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.",
        "label": "Line of Credit Facility [Line Items]",
        "terseLabel": "Line of Credit Facility [Line Items]"
       }
      }
     },
     "localname": "LineOfCreditFacilityLineItems",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/CreditFacilityDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity": {
     "auth_ref": [
      "r31"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.",
        "label": "Line of Credit Facility, Maximum Borrowing Capacity",
        "terseLabel": "Aggregate credit agreement commitment"
       }
      }
     },
     "localname": "LineOfCreditFacilityMaximumBorrowingCapacity",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/CreditFacilityDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LineOfCreditFacilityTable": {
     "auth_ref": [
      "r31",
      "r72"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "A table or schedule providing information pertaining to short-term or long-term contractual arrangements with lenders, including letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line.",
        "label": "Line of Credit Facility [Table]",
        "terseLabel": "Line of Credit Facility [Table]"
       }
      }
     },
     "localname": "LineOfCreditFacilityTable",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/CreditFacilityDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_LondonInterbankOfferedRateLIBORMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Interest rate at which a bank borrows funds from other banks in the London interbank market.",
        "label": "London Interbank Offered Rate (LIBOR) [Member]",
        "terseLabel": "LIBOR Rate"
       }
      }
     },
     "localname": "LondonInterbankOfferedRateLIBORMember",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/CreditFacilityDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_LongTermLineOfCredit": {
     "auth_ref": [
      "r35",
      "r115",
      "r116"
     ],
     "calculation": {
      "http://naturalgaservices.com/role/CondensedConsolidatedBalanceSheetsUnaudited": {
       "order": 4.0,
       "parentTag": "us-gaap_Liabilities",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The carrying value as of the balance sheet date of the noncurrent portion of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.",
        "label": "Long-term Line of Credit, Noncurrent",
        "terseLabel": "Line of credit, non-current portion"
       }
      }
     },
     "localname": "LongTermLineOfCredit",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/CondensedConsolidatedBalanceSheetsUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_MaximumMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Upper limit of the provided range.",
        "label": "Maximum [Member]",
        "terseLabel": "Maximum"
       }
      }
     },
     "localname": "MaximumMember",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/CreditFacilityDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_MinimumMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Lower limit of the provided range.",
        "label": "Minimum [Member]",
        "terseLabel": "Minimum"
       }
      }
     },
     "localname": "MinimumMember",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/CreditFacilityDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_NetCashProvidedByUsedInFinancingActivities": {
     "auth_ref": [
      "r60",
      "r64"
     ],
     "calculation": {
      "http://naturalgaservices.com/role/CondensedConsolidatedStatementsofCashFlowsUnaudited": {
       "order": 3.0,
       "parentTag": "us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of cash inflow (outflow) from financing activities, including discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit.",
        "label": "Net Cash Provided by (Used in) Financing Activities",
        "totalLabel": "NET CASH USED IN FINANCING ACTIVITIES"
       }
      }
     },
     "localname": "NetCashProvidedByUsedInFinancingActivities",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/CondensedConsolidatedStatementsofCashFlowsUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Net Cash Provided by (Used in) Financing Activities [Abstract]",
        "terseLabel": "CASH FLOWS FROM FINANCING ACTIVITIES:"
       }
      }
     },
     "localname": "NetCashProvidedByUsedInFinancingActivitiesAbstract",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/CondensedConsolidatedStatementsofCashFlowsUnaudited"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_NetCashProvidedByUsedInInvestingActivities": {
     "auth_ref": [
      "r60",
      "r64"
     ],
     "calculation": {
      "http://naturalgaservices.com/role/CondensedConsolidatedStatementsofCashFlowsUnaudited": {
       "order": 2.0,
       "parentTag": "us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of cash inflow (outflow) from investing activities, including discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets.",
        "label": "Net Cash Provided by (Used in) Investing Activities",
        "totalLabel": "NET CASH USED IN INVESTING ACTIVITIES"
       }
      }
     },
     "localname": "NetCashProvidedByUsedInInvestingActivities",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/CondensedConsolidatedStatementsofCashFlowsUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Net Cash Provided by (Used in) Investing Activities [Abstract]",
        "terseLabel": "CASH FLOWS FROM INVESTING ACTIVITIES:"
       }
      }
     },
     "localname": "NetCashProvidedByUsedInInvestingActivitiesAbstract",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/CondensedConsolidatedStatementsofCashFlowsUnaudited"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_NetCashProvidedByUsedInOperatingActivities": {
     "auth_ref": [
      "r60",
      "r63",
      "r67"
     ],
     "calculation": {
      "http://naturalgaservices.com/role/CondensedConsolidatedStatementsofCashFlowsUnaudited": {
       "order": 1.0,
       "parentTag": "us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease",
       "weight": 1.0
      }
     },
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of cash inflow (outflow) from operating activities, including discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities.",
        "label": "Net Cash Provided by (Used in) Operating Activities",
        "totalLabel": "NET CASH PROVIDED BY OPERATING ACTIVITIES"
       }
      }
     },
     "localname": "NetCashProvidedByUsedInOperatingActivities",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/CondensedConsolidatedStatementsofCashFlowsUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Net Cash Provided by (Used in) Operating Activities [Abstract]",
        "terseLabel": "CASH FLOWS FROM OPERATING ACTIVITIES:"
       }
      }
     },
     "localname": "NetCashProvidedByUsedInOperatingActivitiesAbstract",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/CondensedConsolidatedStatementsofCashFlowsUnaudited"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_NetIncomeLoss": {
     "auth_ref": [
      "r43",
      "r67",
      "r82",
      "r186",
      "r195"
     ],
     "calculation": {
      "http://naturalgaservices.com/role/CondensedConsolidatedIncomeStatementsUnaudited": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      },
      "http://naturalgaservices.com/role/CondensedConsolidatedStatementsofCashFlowsUnaudited": {
       "order": 1.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.",
        "label": "Net Income (Loss) Attributable to Parent",
        "terseLabel": "Net income",
        "totalLabel": "Net income"
       }
      }
     },
     "localname": "NetIncomeLoss",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/CondensedConsolidatedIncomeStatementsUnaudited",
      "http://naturalgaservices.com/role/CondensedConsolidatedStatementsofCashFlowsUnaudited",
      "http://naturalgaservices.com/role/EarningsperShareBasicandDilutedDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_NetIncomeLossAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Net Income (Loss) Attributable to Parent [Abstract]",
        "terseLabel": "Numerator:"
       }
      }
     },
     "localname": "NetIncomeLossAbstract",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/EarningsperShareBasicandDilutedDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Disclosure of accounting policy pertaining to new accounting pronouncements that may impact the entity's financial reporting. Includes, but is not limited to, quantification of the expected or actual impact.",
        "label": "New Accounting Pronouncements, Policy [Policy Text Block]",
        "terseLabel": "Recently Issued Accounting Pronouncements"
       }
      }
     },
     "localname": "NewAccountingPronouncementsPolicyPolicyTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/BasisofPresentationandSummaryofSignificantAccountingPoliciesPolicies"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_NonoperatingIncomeExpense": {
     "auth_ref": [
      "r52"
     ],
     "calculation": {
      "http://naturalgaservices.com/role/CondensedConsolidatedIncomeStatementsUnaudited": {
       "order": 2.0,
       "parentTag": "us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest",
       "weight": 1.0
      },
      "http://naturalgaservices.com/role/SegmentInformationDetails": {
       "order": 2.0,
       "parentTag": "us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The aggregate amount of income or expense from ancillary business-related activities (that is to say, excluding major activities considered part of the normal operations of the business).",
        "label": "Nonoperating Income (Expense)",
        "terseLabel": "Total other expense, net",
        "totalLabel": "Total other income (expense), net"
       }
      }
     },
     "localname": "NonoperatingIncomeExpense",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/CondensedConsolidatedIncomeStatementsUnaudited",
      "http://naturalgaservices.com/role/SegmentInformationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_NonoperatingIncomeExpenseAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Nonoperating Income (Expense) [Abstract]",
        "terseLabel": "Other income (expense):"
       }
      }
     },
     "localname": "NonoperatingIncomeExpenseAbstract",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/CondensedConsolidatedIncomeStatementsUnaudited"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_NumberOfOperatingSegments": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues.",
        "label": "Number of Operating Segments",
        "terseLabel": "Number of operating segments"
       }
      }
     },
     "localname": "NumberOfOperatingSegments",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/SegmentInformationDetails"
     ],
     "xbrltype": "integerItemType"
    },
    "us-gaap_OperatingIncomeLoss": {
     "auth_ref": [],
     "calculation": {
      "http://naturalgaservices.com/role/CondensedConsolidatedIncomeStatementsUnaudited": {
       "order": 1.0,
       "parentTag": "us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The net result for the period of deducting operating expenses from operating revenues.",
        "label": "Operating Income (Loss)",
        "totalLabel": "Operating income"
       }
      }
     },
     "localname": "OperatingIncomeLoss",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/CondensedConsolidatedIncomeStatementsUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_OtherAssetsNoncurrent": {
     "auth_ref": [
      "r29"
     ],
     "calculation": {
      "http://naturalgaservices.com/role/CondensedConsolidatedBalanceSheetsUnaudited": {
       "order": 6.0,
       "parentTag": "us-gaap_Assets",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of noncurrent assets classified as other.",
        "label": "Other Assets, Noncurrent",
        "terseLabel": "Other assets"
       }
      }
     },
     "localname": "OtherAssetsNoncurrent",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/CondensedConsolidatedBalanceSheetsUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_OtherCostOfOperatingRevenue": {
     "auth_ref": [
      "r49"
     ],
     "calculation": {
      "http://naturalgaservices.com/role/CondensedConsolidatedIncomeStatementsUnaudited": {
       "order": 2.0,
       "parentTag": "us-gaap_CostsAndExpenses",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Other costs incurred during the reporting period related to other revenue generating activities.",
        "label": "Other Cost of Operating Revenue",
        "terseLabel": "Cost of sales, exclusive of depreciation stated separately below"
       }
      }
     },
     "localname": "OtherCostOfOperatingRevenue",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/CondensedConsolidatedIncomeStatementsUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_OtherCostOfServices": {
     "auth_ref": [
      "r48"
     ],
     "calculation": {
      "http://naturalgaservices.com/role/CondensedConsolidatedIncomeStatementsUnaudited": {
       "order": 3.0,
       "parentTag": "us-gaap_CostsAndExpenses",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Other costs incurred and are directly related to services rendered by an entity during the reporting period.",
        "label": "Other Cost of Services",
        "terseLabel": "Cost of service and maintenance"
       }
      }
     },
     "localname": "OtherCostOfServices",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/CondensedConsolidatedIncomeStatementsUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_OtherLiabilitiesNoncurrent": {
     "auth_ref": [
      "r36"
     ],
     "calculation": {
      "http://naturalgaservices.com/role/CondensedConsolidatedBalanceSheetsUnaudited": {
       "order": 3.0,
       "parentTag": "us-gaap_Liabilities",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of liabilities classified as other, due after one year or the normal operating cycle, if longer.",
        "label": "Other Liabilities, Noncurrent",
        "terseLabel": "Other long-term liabilities"
       }
      }
     },
     "localname": "OtherLiabilitiesNoncurrent",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/CondensedConsolidatedBalanceSheetsUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_OtherNonoperatingIncomeExpense": {
     "auth_ref": [
      "r53"
     ],
     "calculation": {
      "http://naturalgaservices.com/role/CondensedConsolidatedIncomeStatementsUnaudited": {
       "order": 2.0,
       "parentTag": "us-gaap_NonoperatingIncomeExpense",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of income (expense) related to nonoperating activities, classified as other.",
        "label": "Other Nonoperating Income (Expense)",
        "terseLabel": "Other income, net"
       }
      }
     },
     "localname": "OtherNonoperatingIncomeExpense",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/CondensedConsolidatedIncomeStatementsUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation": {
     "auth_ref": [
      "r58",
      "r140"
     ],
     "calculation": {
      "http://naturalgaservices.com/role/CondensedConsolidatedStatementsofCashFlowsUnaudited": {
       "order": 3.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of cash outflow to satisfy an employee's income tax withholding obligation as part of a net-share settlement of a share-based award.",
        "label": "Payments Related to Tax Withholding for Share-based Compensation",
        "negatedTerseLabel": "Taxes paid related to net share settlement of equity awards"
       }
      }
     },
     "localname": "PaymentsRelatedToTaxWithholdingForShareBasedCompensation",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/CondensedConsolidatedStatementsofCashFlowsUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_PaymentsToAcquireLifeInsurancePolicies": {
     "auth_ref": [
      "r56",
      "r59"
     ],
     "calculation": {
      "http://naturalgaservices.com/role/CondensedConsolidatedStatementsofCashFlowsUnaudited": {
       "order": 3.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of cash outflow for payment of premium on corporate-owned life insurance policy, classified as investing activities. Includes, but is not limited to, bank-owned life insurance policy.",
        "label": "Payment to Acquire Life Insurance Policy, Investing Activities",
        "negatedTerseLabel": "Purchase of company owned life insurance"
       }
      }
     },
     "localname": "PaymentsToAcquireLifeInsurancePolicies",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/CondensedConsolidatedStatementsofCashFlowsUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_PaymentsToAcquirePropertyPlantAndEquipment": {
     "auth_ref": [
      "r55"
     ],
     "calculation": {
      "http://naturalgaservices.com/role/CondensedConsolidatedStatementsofCashFlowsUnaudited": {
       "order": 1.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets.",
        "label": "Payments to Acquire Property, Plant, and Equipment",
        "negatedTerseLabel": "Purchase of rental equipment and property and equipment"
       }
      }
     },
     "localname": "PaymentsToAcquirePropertyPlantAndEquipment",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/CondensedConsolidatedStatementsofCashFlowsUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_PostemploymentBenefitsAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Postemployment Benefits [Abstract]"
       }
      }
     },
     "localname": "PostemploymentBenefitsAbstract",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_PreferredStockSharesAuthorized": {
     "auth_ref": [
      "r10"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The maximum number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) permitted to be issued by an entity's charter and bylaws.",
        "label": "Preferred Stock, Shares Authorized",
        "terseLabel": "Preferred stock, shares authorized"
       }
      }
     },
     "localname": "PreferredStockSharesAuthorized",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/CondensedConsolidatedBalanceSheetsUnauditedParentheticals"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_PreferredStockSharesIssued": {
     "auth_ref": [
      "r10"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Total number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) issued to shareholders (includes related preferred shares that were issued, repurchased, and remain in the treasury). May be all or portion of the number of preferred shares authorized. Excludes preferred shares that are classified as debt.",
        "label": "Preferred Stock, Shares Issued",
        "terseLabel": "Preferred stock, shares issued"
       }
      }
     },
     "localname": "PreferredStockSharesIssued",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/CondensedConsolidatedBalanceSheetsUnauditedParentheticals"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_PreferredStockSharesOutstanding": {
     "auth_ref": [
      "r10"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Aggregate share number for all nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) held by stockholders. Does not include preferred shares that have been repurchased.",
        "label": "Preferred Stock, Shares Outstanding",
        "terseLabel": "Preferred stock, shares outstanding"
       }
      }
     },
     "localname": "PreferredStockSharesOutstanding",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/CondensedConsolidatedBalanceSheetsUnauditedParentheticals"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_PreferredStockValue": {
     "auth_ref": [
      "r10"
     ],
     "calculation": {
      "http://naturalgaservices.com/role/CondensedConsolidatedBalanceSheetsUnaudited": {
       "order": 1.0,
       "parentTag": "us-gaap_StockholdersEquity",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Aggregate par or stated value of issued nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer). This item includes treasury stock repurchased by the entity. Note: elements for number of nonredeemable preferred shares, par value and other disclosure concepts are in another section within stockholders' equity.",
        "label": "Preferred Stock, Value, Issued",
        "terseLabel": "Preferred stock, 5,000 shares authorized, no shares issued or outstanding"
       }
      }
     },
     "localname": "PreferredStockValue",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/CondensedConsolidatedBalanceSheetsUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_PrepaidExpenseAndOtherAssetsCurrent": {
     "auth_ref": [
      "r5",
      "r24",
      "r25"
     ],
     "calculation": {
      "http://naturalgaservices.com/role/CondensedConsolidatedBalanceSheetsUnaudited": {
       "order": 5.0,
       "parentTag": "us-gaap_AssetsCurrent",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of asset related to consideration paid in advance for costs that provide economic benefits in future periods, and amount of other assets that are expected to be realized or consumed within one year or the normal operating cycle, if longer.",
        "label": "Prepaid Expense and Other Assets, Current",
        "terseLabel": "Prepaid expenses and other"
       }
      }
     },
     "localname": "PrepaidExpenseAndOtherAssetsCurrent",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/CondensedConsolidatedBalanceSheetsUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_PrepaidTaxes": {
     "auth_ref": [
      "r4",
      "r6",
      "r103",
      "r104"
     ],
     "calculation": {
      "http://naturalgaservices.com/role/CondensedConsolidatedBalanceSheetsUnaudited": {
       "order": 4.0,
       "parentTag": "us-gaap_AssetsCurrent",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of asset related to consideration paid in advance for income and other taxes that provide economic benefits within a future period of one year or the normal operating cycle, if longer.",
        "label": "Prepaid Taxes",
        "terseLabel": "Prepaid income taxes"
       }
      }
     },
     "localname": "PrepaidTaxes",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/CondensedConsolidatedBalanceSheetsUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_PriorPeriodReclassificationAdjustmentDescription": {
     "auth_ref": [
      "r0"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Disclosure of accounting policy for reclassifications that affects the comparability of the financial statements.",
        "label": "Reclassification, Policy [Policy Text Block]",
        "terseLabel": "Reclassification of Prior Period Balances"
       }
      }
     },
     "localname": "PriorPeriodReclassificationAdjustmentDescription",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/BasisofPresentationandSummaryofSignificantAccountingPoliciesPolicies"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment": {
     "auth_ref": [
      "r54"
     ],
     "calculation": {
      "http://naturalgaservices.com/role/CondensedConsolidatedStatementsofCashFlowsUnaudited": {
       "order": 2.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The cash inflow from the sale of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale.",
        "label": "Proceeds from Sale of Property, Plant, and Equipment",
        "terseLabel": "Proceeds from sale of property and equipment"
       }
      }
     },
     "localname": "ProceedsFromSaleOfPropertyPlantAndEquipment",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/CondensedConsolidatedStatementsofCashFlowsUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ProceedsFromStockOptionsExercised": {
     "auth_ref": [
      "r57",
      "r165"
     ],
     "calculation": {
      "http://naturalgaservices.com/role/CondensedConsolidatedStatementsofCashFlowsUnaudited": {
       "order": 2.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of cash inflow from exercise of stock options granted under share-based compensation arrangement.",
        "label": "Proceeds from Stock Options Exercised",
        "terseLabel": "Proceeds from exercise of stock options"
       }
      }
     },
     "localname": "ProceedsFromStockOptionsExercised",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/CondensedConsolidatedStatementsofCashFlowsUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ProductOrServiceAxis": {
     "auth_ref": [
      "r92",
      "r132",
      "r135"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by products and services or groups of similar products and services.",
        "label": "Products and Services [Axis]",
        "terseLabel": "Products and Services [Axis]"
       }
      }
     },
     "localname": "ProductOrServiceAxis",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/BasisofPresentationandSummaryofSignificantAccountingPoliciesDisaggregationofRevenueDetails",
      "http://naturalgaservices.com/role/CondensedConsolidatedIncomeStatementsUnaudited",
      "http://naturalgaservices.com/role/SegmentInformationDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ProductsAndServicesDomain": {
     "auth_ref": [
      "r92"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Product or service, or a group of similar products or similar services.",
        "label": "Products and Services [Domain]",
        "terseLabel": "Products and Services [Domain]"
       }
      }
     },
     "localname": "ProductsAndServicesDomain",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/BasisofPresentationandSummaryofSignificantAccountingPoliciesDisaggregationofRevenueDetails",
      "http://naturalgaservices.com/role/CondensedConsolidatedIncomeStatementsUnaudited",
      "http://naturalgaservices.com/role/SegmentInformationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_PropertyPlantAndEquipmentOtherNet": {
     "auth_ref": [],
     "calculation": {
      "http://naturalgaservices.com/role/CondensedConsolidatedBalanceSheetsUnaudited": {
       "order": 3.0,
       "parentTag": "us-gaap_Assets",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount after depreciation of long-lived, physical assets used to produce goods and services and not intended for resale, classified as other.",
        "label": "Property, Plant and Equipment, Other, Net",
        "terseLabel": "Property and equipment, net of accumulated depreciation of $11,176 and $11,274, respectively"
       }
      }
     },
     "localname": "PropertyPlantAndEquipmentOtherNet",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/CondensedConsolidatedBalanceSheetsUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ProvisionForDoubtfulAccounts": {
     "auth_ref": [
      "r51",
      "r65",
      "r125",
      "r131"
     ],
     "calculation": {
      "http://naturalgaservices.com/role/CondensedConsolidatedStatementsofCashFlowsUnaudited": {
       "order": 5.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of expense related to write-down of receivables to the amount expected to be collected. Includes, but is not limited to, accounts receivable and notes receivable.",
        "label": "Provision for Doubtful Accounts",
        "terseLabel": "Bad debt allowance"
       }
      }
     },
     "localname": "ProvisionForDoubtfulAccounts",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/CondensedConsolidatedStatementsofCashFlowsUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_RangeAxis": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by range, including, but not limited to, upper and lower bounds.",
        "label": "Range [Axis]",
        "terseLabel": "Range [Axis]"
       }
      }
     },
     "localname": "RangeAxis",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/CreditFacilityDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_RangeMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Extent of variation, for example, but not limited to, upper and lower bounds.",
        "label": "Range [Domain]",
        "terseLabel": "Range [Domain]"
       }
      }
     },
     "localname": "RangeMember",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/CreditFacilityDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_RentalIncomeNonoperating": {
     "auth_ref": [
      "r52"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Income earned by providing the use of assets to an outside party in exchange for a payment or series of payments that is nonoperating in nature.",
        "label": "Rental Income, Nonoperating",
        "terseLabel": "Rental revenue"
       }
      }
     },
     "localname": "RentalIncomeNonoperating",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/BasisofPresentationandSummaryofSignificantAccountingPoliciesDisaggregationofRevenueDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_RestrictedStockMember": {
     "auth_ref": [
      "r81"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Stock including a provision that prohibits sale or substantive sale of an equity instrument for a specified period of time or until specified performance conditions are met.",
        "label": "Restricted Stock [Member]",
        "terseLabel": "Restricted Stock"
       }
      }
     },
     "localname": "RestrictedStockMember",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/StockBasedCompensationRestrictedStockDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_RetainedEarningsAccumulatedDeficit": {
     "auth_ref": [
      "r14",
      "r119",
      "r192"
     ],
     "calculation": {
      "http://naturalgaservices.com/role/CondensedConsolidatedBalanceSheetsUnaudited": {
       "order": 4.0,
       "parentTag": "us-gaap_StockholdersEquity",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The cumulative amount of the reporting entity's undistributed earnings or deficit.",
        "label": "Retained Earnings (Accumulated Deficit)",
        "terseLabel": "Retained earnings"
       }
      }
     },
     "localname": "RetainedEarningsAccumulatedDeficit",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/CondensedConsolidatedBalanceSheetsUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax": {
     "auth_ref": [
      "r121",
      "r126",
      "r130",
      "r132"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.",
        "label": "Revenue from Contract with Customer, Excluding Assessed Tax",
        "terseLabel": "Revenue from contract with customer, excluding assessed tax"
       }
      }
     },
     "localname": "RevenueFromContractWithCustomerExcludingAssessedTax",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/BasisofPresentationandSummaryofSignificantAccountingPoliciesDisaggregationofRevenueDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_RevenueRemainingPerformanceObligation": {
     "auth_ref": [
      "r86",
      "r128"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of transaction price allocated to performance obligation that has not been recognized as revenue.",
        "label": "Revenue, Remaining Performance Obligation",
        "terseLabel": "Service and Maintenance"
       }
      }
     },
     "localname": "RevenueRemainingPerformanceObligation",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/BasisofPresentationandSummaryofSignificantAccountingPoliciesTransactionPriceAllocatedtotheRemainingPerformanceObligationsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.",
        "label": "Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]",
        "terseLabel": "Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]"
       }
      }
     },
     "localname": "RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/BasisofPresentationandSummaryofSignificantAccountingPoliciesTransactionPriceAllocatedtotheRemainingPerformanceObligationsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis": {
     "auth_ref": [
      "r129"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Start date of time band for expected timing of satisfaction of remaining performance obligation, in CCYY-MM-DD format.",
        "label": "Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]",
        "terseLabel": "Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]"
       }
      }
     },
     "localname": "RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/BasisofPresentationandSummaryofSignificantAccountingPoliciesTransactionPriceAllocatedtotheRemainingPerformanceObligationsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Disclosure of information about expected timing for satisfying remaining performance obligation.",
        "label": "Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table]",
        "terseLabel": "Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table]"
       }
      }
     },
     "localname": "RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/BasisofPresentationandSummaryofSignificantAccountingPoliciesTransactionPriceAllocatedtotheRemainingPerformanceObligationsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTableTextBlock": {
     "auth_ref": [
      "r86",
      "r128"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Tabular disclosure of expected timing for satisfying remaining performance obligation.",
        "label": "Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table Text Block]",
        "terseLabel": "Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction"
       }
      }
     },
     "localname": "RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTableTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/BasisofPresentationandSummaryofSignificantAccountingPoliciesTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_Revenues": {
     "auth_ref": [
      "r46"
     ],
     "calculation": {
      "http://naturalgaservices.com/role/CondensedConsolidatedIncomeStatementsUnaudited": {
       "order": 1.0,
       "parentTag": "us-gaap_OperatingIncomeLoss",
       "weight": 1.0
      },
      "http://naturalgaservices.com/role/SegmentInformationDetails": {
       "order": 1.0,
       "parentTag": "us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).",
        "label": "Revenues",
        "terseLabel": "Revenue"
       }
      }
     },
     "localname": "Revenues",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/BasisofPresentationandSummaryofSignificantAccountingPoliciesDetails",
      "http://naturalgaservices.com/role/BasisofPresentationandSummaryofSignificantAccountingPoliciesDisaggregationofRevenueDetails",
      "http://naturalgaservices.com/role/CondensedConsolidatedIncomeStatementsUnaudited",
      "http://naturalgaservices.com/role/SegmentInformationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_RevolvingCreditFacilityMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Arrangement in which loan proceeds can continuously be obtained following repayments, but the total amount borrowed cannot exceed a specified maximum amount.",
        "label": "Revolving Credit Facility [Member]",
        "terseLabel": "Revolving Credit Facility"
       }
      }
     },
     "localname": "RevolvingCreditFacilityMember",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/CreditFacilityDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_SalesRevenueNetAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Revenue, Net [Abstract]",
        "terseLabel": "Revenue:"
       }
      }
     },
     "localname": "SalesRevenueNetAbstract",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/CondensedConsolidatedIncomeStatementsUnaudited"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable": {
     "auth_ref": [
      "r81"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Schedule for securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) in the future that were not included in the computation of diluted EPS because to do so would increase EPS amounts or decrease loss per share amounts for the period presented, by Antidilutive Securities.",
        "label": "Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table]",
        "terseLabel": "Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table]"
       }
      }
     },
     "localname": "ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/EarningsperShareBasicandDilutedDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock": {
     "auth_ref": [
      "r82"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations.",
        "label": "Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]",
        "terseLabel": "Schedule of Earnings Per Share, Basic and Diluted"
       }
      }
     },
     "localname": "ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/EarningsperShareTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTable": {
     "auth_ref": [
      "r92"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Tabular presentation of the description and amount of revenues from a product or service, or a group of similar products or similar services, reported from external customers during the period, if the information is not provided as part of the reportable operating segment information.",
        "label": "Revenue from External Customers by Products and Services [Table]",
        "terseLabel": "Revenue from External Customers by Products and Services [Table]"
       }
      }
     },
     "localname": "ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTable",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/BasisofPresentationandSummaryofSignificantAccountingPoliciesDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ScheduleOfInventoryCurrentTableTextBlock": {
     "auth_ref": [
      "r8",
      "r21",
      "r22",
      "r23"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Tabular disclosure of the carrying amount as of the balance sheet date of merchandise, goods, commodities, or supplies held for future sale or to be used in manufacturing, servicing or production process.",
        "label": "Schedule of Inventory, Current [Table Text Block]",
        "terseLabel": "Schedule of Inventory"
       }
      }
     },
     "localname": "ScheduleOfInventoryCurrentTableTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/InventoryTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable": {
     "auth_ref": [
      "r87",
      "r88",
      "r89",
      "r90",
      "r108"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "A table disclosing the profit or loss and total assets for each reportable segment of the entity. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss.",
        "label": "Schedule of Segment Reporting Information, by Segment [Table]",
        "terseLabel": "Schedule of Segment Reporting Information, by Segment [Table]"
       }
      }
     },
     "localname": "ScheduleOfSegmentReportingInformationBySegmentTable",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/SegmentInformationDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock": {
     "auth_ref": [
      "r87",
      "r88",
      "r89",
      "r90",
      "r108"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Tabular disclosure of the profit or loss and total assets for each reportable segment. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss.",
        "label": "Schedule of Segment Reporting Information, by Segment [Table Text Block]",
        "terseLabel": "Schedule of Segment Reporting Information"
       }
      }
     },
     "localname": "ScheduleOfSegmentReportingInformationBySegmentTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/SegmentInformationTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable": {
     "auth_ref": [
      "r143",
      "r164"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Components of an equity-based arrangement under which compensation is awarded to employees, typically comprised of compensation expense; changes in the quantity and fair value of the shares (or other type of equity) granted, exercised, forfeited, and issued and outstanding pertaining to that plan; and cash flow effects resulting from the equity-based payment arrangement. Component disclosures are by type of award and plan name.",
        "label": "Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table]",
        "terseLabel": "Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table]"
       }
      }
     },
     "localname": "ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/StockBasedCompensationRestrictedStockDetails",
      "http://naturalgaservices.com/role/StockBasedCompensationSummaryofUnvestedStockOptionsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ScheduleOfShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeTable": {
     "auth_ref": [
      "r164"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Details comprising a table providing supplementary information on outstanding and exercisable share awards as of the balance sheet date which stratifies outstanding options by ranges of exercise prices.",
        "label": "Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range [Table]",
        "terseLabel": "Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range [Table]"
       }
      }
     },
     "localname": "ScheduleOfShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeTable",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/StockBasedCompensationStockOptionsOutstandingDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ScheduleOfShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeTextBlock": {
     "auth_ref": [
      "r164"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Tabular disclosure of option exercise prices, by grouped ranges, including the upper and lower limits of the price range, the number of shares under option, weighted average exercise price and remaining contractual option terms.",
        "label": "Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range [Table Text Block]",
        "terseLabel": "Summary of Stock Options Outstanding"
       }
      }
     },
     "localname": "ScheduleOfShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/StockBasedCompensationTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock": {
     "auth_ref": [
      "r146",
      "r155",
      "r157"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value.",
        "label": "Share-based Compensation, Stock Options, Activity [Table Text Block]",
        "terseLabel": "Summary of Option Activity"
       }
      }
     },
     "localname": "ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/StockBasedCompensationTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_ScheduleOfStockOptionsRollForwardTableTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Tabular disclosure of the change in stock options.",
        "label": "Schedule of Stock Options Roll Forward [Table Text Block]",
        "terseLabel": "Status of Unvested Stock Options"
       }
      }
     },
     "localname": "ScheduleOfStockOptionsRollForwardTableTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/StockBasedCompensationTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_SegmentReportingAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Segment Reporting [Abstract]"
       }
      }
     },
     "localname": "SegmentReportingAbstract",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_SegmentReportingDisclosureTextBlock": {
     "auth_ref": [
      "r93"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The entire disclosure for reporting segments including data and tables. Reportable segments include those that meet any of the following quantitative thresholds a) it's reported revenue, including sales to external customers and intersegment sales or transfers is 10 percent or more of the combined revenue, internal and external, of all operating segments b) the absolute amount of its reported profit or loss is 10 percent or more of the greater, in absolute amount of 1) the combined reported profit of all operating segments that did not report a loss or 2) the combined reported loss of all operating segments that did report a loss c) its assets are 10 percent or more of the combined assets of all operating segments.",
        "label": "Segment Reporting Disclosure [Text Block]",
        "terseLabel": "Segment Information"
       }
      }
     },
     "localname": "SegmentReportingDisclosureTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/SegmentInformation"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_SegmentReportingInformationLineItems": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.",
        "label": "Segment Reporting Information [Line Items]",
        "terseLabel": "Segment Reporting Information [Line Items]"
       }
      }
     },
     "localname": "SegmentReportingInformationLineItems",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/SegmentInformationDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_SegmentReportingPolicyPolicyTextBlock": {
     "auth_ref": [
      "r70"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Disclosure of accounting policy for segment reporting.",
        "label": "Segment Reporting, Policy [Policy Text Block]",
        "terseLabel": "Segment Information"
       }
      }
     },
     "localname": "SegmentReportingPolicyPolicyTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/BasisofPresentationandSummaryofSignificantAccountingPoliciesPolicies"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_SellingGeneralAndAdministrativeExpense": {
     "auth_ref": [
      "r50",
      "r98"
     ],
     "calculation": {
      "http://naturalgaservices.com/role/CondensedConsolidatedIncomeStatementsUnaudited": {
       "order": 4.0,
       "parentTag": "us-gaap_CostsAndExpenses",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The aggregate total costs related to selling a firm's product and services, as well as all other general and administrative expenses. Direct selling expenses (for example, credit, warranty, and advertising) are expenses that can be directly linked to the sale of specific products. Indirect selling expenses are expenses that cannot be directly linked to the sale of specific products, for example telephone expenses, Internet, and postal charges. General and administrative expenses include salaries of non-sales personnel, rent, utilities, communication, etc.",
        "label": "Selling, General and Administrative Expense",
        "terseLabel": "Selling, general and administrative expense"
       }
      }
     },
     "localname": "SellingGeneralAndAdministrativeExpense",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/CondensedConsolidatedIncomeStatementsUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ShareBasedCompensation": {
     "auth_ref": [
      "r65"
     ],
     "calculation": {
      "http://naturalgaservices.com/role/CondensedConsolidatedStatementsofCashFlowsUnaudited": {
       "order": 4.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method.",
        "label": "Share-based Compensation",
        "terseLabel": "Stock-based compensation"
       }
      }
     },
     "localname": "ShareBasedCompensation",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/CondensedConsolidatedStatementsofCashFlowsUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1": {
     "auth_ref": [
      "r144"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.",
        "label": "Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period",
        "terseLabel": "Award vesting period"
       }
      }
     },
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/StockBasedCompensationRestrictedStockDetails"
     ],
     "xbrltype": "durationItemType"
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod": {
     "auth_ref": [
      "r153"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).",
        "label": "Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period",
        "terseLabel": "Grants in period (in shares)"
       }
      }
     },
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/StockBasedCompensationRestrictedStockDetails"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.",
        "label": "Share-based Compensation Arrangement by Share-based Payment Award [Line Items]",
        "terseLabel": "Share-based Compensation Arrangement by Share-based Payment Award [Line Items]"
       }
      }
     },
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/StockBasedCompensationRestrictedStockDetails",
      "http://naturalgaservices.com/role/StockBasedCompensationSummaryofUnvestedStockOptionsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber": {
     "auth_ref": [
      "r149"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.",
        "label": "Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number",
        "terseLabel": "Exercisable (in shares)"
       }
      }
     },
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/StockBasedCompensationStockOptionActivityDetails"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice": {
     "auth_ref": [
      "r149"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.",
        "label": "Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price",
        "terseLabel": "Exercisable (in USD per share)"
       }
      }
     },
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/StockBasedCompensationStockOptionActivityDetails"
     ],
     "xbrltype": "perShareItemType"
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue": {
     "auth_ref": [
      "r156"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.",
        "label": "Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value",
        "terseLabel": "Exercised"
       }
      }
     },
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/StockBasedCompensationStockOptionActivityDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod": {
     "auth_ref": [
      "r151"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan.",
        "label": "Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period",
        "terseLabel": "Canceled/Forfeited (in shares)"
       }
      }
     },
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/StockBasedCompensationStockOptionActivityDetails"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue": {
     "auth_ref": [
      "r164"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.",
        "label": "Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value",
        "periodEndLabel": "Outstanding, end of period",
        "periodStartLabel": "Outstanding, beginning of period"
       }
      }
     },
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/StockBasedCompensationStockOptionActivityDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber": {
     "auth_ref": [
      "r148",
      "r164"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Number of options outstanding, including both vested and non-vested options.",
        "label": "Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number",
        "periodEndLabel": "Outstanding, end of period (in shares)",
        "periodStartLabel": "Outstanding, beginning of period (in shares)"
       }
      }
     },
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/StockBasedCompensationStockOptionActivityDetails"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.",
        "label": "Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]",
        "terseLabel": "Number\u00a0ofStock Options"
       }
      }
     },
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/StockBasedCompensationStockOptionActivityDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice": {
     "auth_ref": [
      "r147"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.",
        "label": "Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price",
        "periodEndLabel": "Outstanding, end of period (in USD per share)",
        "periodStartLabel": "Outstanding, beginning of period (in USD per share)"
       }
      }
     },
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/StockBasedCompensationStockOptionActivityDetails"
     ],
     "xbrltype": "perShareItemType"
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract]",
        "terseLabel": "Weighted AverageExercise\u00a0Price"
       }
      }
     },
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/StockBasedCompensationStockOptionActivityDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain": {
     "auth_ref": [
      "r141",
      "r145"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Equity-based compensation award.",
        "label": "Equity Award [Domain]",
        "terseLabel": "Award Type [Domain]"
       }
      }
     },
     "localname": "ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/StockBasedCompensationRestrictedStockDetails",
      "http://naturalgaservices.com/role/StockBasedCompensationSummaryofUnvestedStockOptionsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Weighted average price at which option holders acquired shares when converting their stock options into shares.",
        "label": "Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price",
        "terseLabel": "Exercised (in USD per share)"
       }
      }
     },
     "localname": "ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/StockBasedCompensationStockOptionActivityDetails"
     ],
     "xbrltype": "perShareItemType"
    },
    "us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Weighted average price at which grantees could have acquired the underlying shares with respect to stock options that were terminated.",
        "label": "Share-based Compensation Arrangements by Share-based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price",
        "terseLabel": "Canceled/Forfeited (in USD per share)"
       }
      }
     },
     "localname": "ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/StockBasedCompensationStockOptionActivityDetails"
     ],
     "xbrltype": "perShareItemType"
    },
    "us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis": {
     "auth_ref": [
      "r159"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by range of option prices pertaining to options granted.",
        "label": "Exercise Price Range [Axis]",
        "terseLabel": "Exercise Price Range [Axis]"
       }
      }
     },
     "localname": "ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/EarningsperShareBasicandDilutedDetails",
      "http://naturalgaservices.com/role/StockBasedCompensationStockOptionsOutstandingDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain": {
     "auth_ref": [
      "r160"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Supplementary information on outstanding and exercisable share awards as of the balance sheet date which stratifies outstanding options by ranges of exercise prices.",
        "label": "Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Domain]",
        "terseLabel": "Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Domain]"
       }
      }
     },
     "localname": "ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/EarningsperShareBasicandDilutedDetails",
      "http://naturalgaservices.com/role/StockBasedCompensationStockOptionsOutstandingDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLineItems": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.",
        "label": "Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]",
        "terseLabel": "Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]"
       }
      }
     },
     "localname": "ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLineItems",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/StockBasedCompensationStockOptionsOutstandingDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit": {
     "auth_ref": [
      "r160"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The floor of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range.",
        "label": "Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Lower Range Limit",
        "terseLabel": "Range of exercise prices, lower limit (in USD per share)",
        "verboseLabel": "Exercise price of shares not included in the computation of dilutive income per share, lower limit (in USD per share)"
       }
      }
     },
     "localname": "ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/EarningsperShareBasicandDilutedDetails",
      "http://naturalgaservices.com/role/StockBasedCompensationStockOptionsOutstandingDetails"
     ],
     "xbrltype": "perShareItemType"
    },
    "us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions": {
     "auth_ref": [
      "r154"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The number of shares reserved for issuance pertaining to the outstanding exercisable stock options as of the balance sheet date in the customized range of exercise prices for which the market and performance vesting condition has been satisfied.",
        "label": "Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Number of Exercisable Options",
        "terseLabel": "Options exercisable, shares"
       }
      }
     },
     "localname": "ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/StockBasedCompensationStockOptionsOutstandingDetails"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions": {
     "auth_ref": [
      "r148"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The number of shares reserved for issuance pertaining to the outstanding stock options as of the balance sheet date for all option plans in the customized range of exercise prices.",
        "label": "Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Number of Outstanding Options",
        "terseLabel": "Options outstanding, shares"
       }
      }
     },
     "localname": "ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/StockBasedCompensationStockOptionsOutstandingDetails"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit": {
     "auth_ref": [
      "r160"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The ceiling of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range.",
        "label": "Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Upper Range Limit",
        "terseLabel": "Range of exercise prices, upper limit (in USD per share)",
        "verboseLabel": "Exercise price of shares not included in the computation of dilutive income per share, upper limit (in USD per share)"
       }
      }
     },
     "localname": "ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/EarningsperShareBasicandDilutedDetails",
      "http://naturalgaservices.com/role/StockBasedCompensationStockOptionsOutstandingDetails"
     ],
     "xbrltype": "perShareItemType"
    },
    "us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1": {
     "auth_ref": [
      "r164"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable.",
        "label": "Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value",
        "terseLabel": "Exercisable"
       }
      }
     },
     "localname": "SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/StockBasedCompensationStockOptionActivityDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1": {
     "auth_ref": [
      "r164"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.",
        "label": "Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term",
        "terseLabel": "Exercisable"
       }
      }
     },
     "localname": "SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/StockBasedCompensationStockOptionActivityDetails"
     ],
     "xbrltype": "durationItemType"
    },
    "us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Number of non-vested options outstanding.",
        "label": "Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Number of Shares",
        "periodEndLabel": "Unvested, end of period (in shares)",
        "periodStartLabel": "Unvested, beginning of period (in shares)"
       }
      }
     },
     "localname": "SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/StockBasedCompensationSummaryofUnvestedStockOptionsDetails"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Weighted average grant-date fair value of non-vested options outstanding.",
        "label": "Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Weighted Average Grant Date Fair Value",
        "periodEndLabel": "Unvested, weighted average grant date fair value, end of period (in USD per share)",
        "periodStartLabel": "Unvested, weighted average grant date fair value, beginning of period (in USD per share)"
       }
      }
     },
     "localname": "SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/StockBasedCompensationSummaryofUnvestedStockOptionsDetails"
     ],
     "xbrltype": "perShareItemType"
    },
    "us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2": {
     "auth_ref": [
      "r158"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.",
        "label": "Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term",
        "terseLabel": "Outstanding"
       }
      }
     },
     "localname": "SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/StockBasedCompensationStockOptionActivityDetails"
     ],
     "xbrltype": "durationItemType"
    },
    "us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedNumberOfShares": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Number of options vested.",
        "label": "Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested, Number of Shares",
        "negatedTerseLabel": "Vested (in shares)"
       }
      }
     },
     "localname": "SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedNumberOfShares",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/StockBasedCompensationSummaryofUnvestedStockOptionsDetails"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedWeightedAverageGrantDateFairValue": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Weighted average grant-date fair value of options vested.",
        "label": "Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested, Weighted Average Grant Date Fair Value",
        "terseLabel": "Vested, weighted average grant date fair value (in USD per share)"
       }
      }
     },
     "localname": "SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedWeightedAverageGrantDateFairValue",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/StockBasedCompensationSummaryofUnvestedStockOptionsDetails"
     ],
     "xbrltype": "perShareItemType"
    },
    "us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1": {
     "auth_ref": [
      "r149"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Weighted average exercise price as of the balance sheet date for those equity-based payment arrangements exercisable and outstanding.",
        "label": "Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Exercisable Options, Weighted Average Exercise Price",
        "terseLabel": "Options exercisable, weighted average exercise price (in USD per share)"
       }
      }
     },
     "localname": "SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/StockBasedCompensationStockOptionsOutstandingDetails"
     ],
     "xbrltype": "perShareItemType"
    },
    "us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1": {
     "auth_ref": [
      "r148"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The weighted average price as of the balance sheet date at which grantees could acquire the underlying shares with respect to all outstanding stock options which are in the customized range of exercise prices.",
        "label": "Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Outstanding Options, Weighted Average Exercise Price",
        "terseLabel": "Options outstanding, weighted average exercise price (in USD per share)"
       }
      }
     },
     "localname": "SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/StockBasedCompensationStockOptionsOutstandingDetails"
     ],
     "xbrltype": "perShareItemType"
    },
    "us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageRemainingContractualTerm2": {
     "auth_ref": [
      "r158"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Weighted average remaining contractual term of outstanding stock options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.",
        "label": "Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Outstanding Options, Weighted Average Remaining Contractual Term",
        "terseLabel": "Options outstanding, weighted average remaining contractual life (years)"
       }
      }
     },
     "localname": "SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageRemainingContractualTerm2",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/StockBasedCompensationStockOptionsOutstandingDetails"
     ],
     "xbrltype": "durationItemType"
    },
    "us-gaap_StatementLineItems": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.",
        "label": "Statement [Line Items]",
        "terseLabel": "Statement [Line Items]"
       }
      }
     },
     "localname": "StatementLineItems",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/CondensedConsolidatedIncomeStatementsUnaudited"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_StatementOfCashFlowsAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Statement of Cash Flows [Abstract]"
       }
      }
     },
     "localname": "StatementOfCashFlowsAbstract",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_StatementOfFinancialPositionAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Statement of Financial Position [Abstract]"
       }
      }
     },
     "localname": "StatementOfFinancialPositionAbstract",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_StatementTable": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Schedule reflecting a Statement of Income, Statement of Cash Flows, Statement of Financial Position, Statement of Shareholders' Equity and Other Comprehensive Income, or other statement as needed.",
        "label": "Statement [Table]",
        "terseLabel": "Statement [Table]"
       }
      }
     },
     "localname": "StatementTable",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/CondensedConsolidatedIncomeStatementsUnaudited"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised": {
     "auth_ref": [
      "r10",
      "r11",
      "r118",
      "r119",
      "r150"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Number of share options (or share units) exercised during the current period.",
        "label": "Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period",
        "negatedTerseLabel": "Exercised (in shares)"
       }
      }
     },
     "localname": "StockIssuedDuringPeriodSharesStockOptionsExercised",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/StockBasedCompensationStockOptionActivityDetails"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_StockholdersEquity": {
     "auth_ref": [
      "r11",
      "r15",
      "r16",
      "r95"
     ],
     "calculation": {
      "http://naturalgaservices.com/role/CondensedConsolidatedBalanceSheetsUnaudited": {
       "order": 2.0,
       "parentTag": "us-gaap_LiabilitiesAndStockholdersEquity",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity.",
        "label": "Stockholders' Equity Attributable to Parent",
        "totalLabel": "Total stockholders' equity"
       }
      }
     },
     "localname": "StockholdersEquity",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/CondensedConsolidatedBalanceSheetsUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_StockholdersEquityAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Stockholders' Equity Attributable to Parent [Abstract]",
        "verboseLabel": "Stockholders\u2019 Equity:"
       }
      }
     },
     "localname": "StockholdersEquityAbstract",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/CondensedConsolidatedBalanceSheetsUnaudited",
      "http://naturalgaservices.com/role/CondensedConsolidatedBalanceSheetsUnauditedParentheticals"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_SupplementalCashFlowInformationAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Supplemental Cash Flow Information [Abstract]",
        "terseLabel": "SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION:"
       }
      }
     },
     "localname": "SupplementalCashFlowInformationAbstract",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/CondensedConsolidatedStatementsofCashFlowsUnaudited"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_TitleOfIndividualAxis": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by title of individual or nature of relationship to individual or group of individuals.",
        "label": "Title of Individual [Axis]",
        "terseLabel": "Title of Individual [Axis]"
       }
      }
     },
     "localname": "TitleOfIndividualAxis",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/StockBasedCompensationRestrictedStockDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_TitleOfIndividualWithRelationshipToEntityDomain": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Title of individual, or nature of relationship to individual or group of individuals.",
        "label": "Relationship to Entity [Domain]",
        "terseLabel": "Title of Individual with Relationship to Entity [Domain]"
       }
      }
     },
     "localname": "TitleOfIndividualWithRelationshipToEntityDomain",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/StockBasedCompensationRestrictedStockDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_TypeOfArrangementAxis": {
     "auth_ref": [
      "r173"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by category of arrangement, including but not limited to collaborative arrangements and non-collaborative arrangements.",
        "label": "Type of Arrangement and Non-arrangement Transactions [Axis]",
        "terseLabel": "Type of Arrangement and Non-arrangement Transactions [Axis]"
       }
      }
     },
     "localname": "TypeOfArrangementAxis",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/BasisofPresentationandSummaryofSignificantAccountingPoliciesDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_VariableRateAxis": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by type of variable rate.",
        "label": "Variable Rate [Axis]",
        "terseLabel": "Variable Rate [Axis]"
       }
      }
     },
     "localname": "VariableRateAxis",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/CreditFacilityDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_VariableRateDomain": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Interest rate that fluctuates over time as a result of an underlying benchmark interest rate or index.",
        "label": "Variable Rate [Domain]",
        "terseLabel": "Variable Rate [Domain]"
       }
      }
     },
     "localname": "VariableRateDomain",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/CreditFacilityDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding": {
     "auth_ref": [
      "r77",
      "r80"
     ],
     "calculation": {
      "http://naturalgaservices.com/role/EarningsperShareBasicandDilutedDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.",
        "label": "Weighted Average Number of Shares Outstanding, Diluted",
        "terseLabel": "Diluted (in shares)",
        "totalLabel": "Diluted weighted average shares (in shares)"
       }
      }
     },
     "localname": "WeightedAverageNumberOfDilutedSharesOutstanding",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/CondensedConsolidatedIncomeStatementsUnaudited",
      "http://naturalgaservices.com/role/EarningsperShareBasicandDilutedDetails"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Weighted Average Number of Shares Outstanding, Diluted [Abstract]",
        "terseLabel": "Denominator for diluted net income per share:"
       }
      }
     },
     "localname": "WeightedAverageNumberOfSharesOutstandingAbstract",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/EarningsperShareBasicandDilutedDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_WeightedAverageNumberOfSharesOutstandingBasic": {
     "auth_ref": [
      "r76",
      "r80"
     ],
     "calculation": {
      "http://naturalgaservices.com/role/EarningsperShareBasicandDilutedDetails": {
       "order": 1.0,
       "parentTag": "us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding",
       "weight": 1.0
      }
     },
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.",
        "label": "Weighted Average Number of Shares Outstanding, Basic",
        "terseLabel": "Basic (in shares)",
        "verboseLabel": "Weighted average common shares outstanding (in shares)"
       }
      }
     },
     "localname": "WeightedAverageNumberOfSharesOutstandingBasic",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/CondensedConsolidatedIncomeStatementsUnaudited",
      "http://naturalgaservices.com/role/EarningsperShareBasicandDilutedDetails"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_WeightedAverageNumberOfSharesOutstandingBasicAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Weighted Average Number of Shares Outstanding, Basic [Abstract]",
        "terseLabel": "Denominator for basic net income per common share:"
       }
      }
     },
     "localname": "WeightedAverageNumberOfSharesOutstandingBasicAbstract",
     "nsuri": "http://fasb.org/us-gaap/2017-01-31",
     "presentation": [
      "http://naturalgaservices.com/role/EarningsperShareBasicandDilutedDetails"
     ],
     "xbrltype": "stringItemType"
    }
   },
   "unitCount": 6
  }
 },
 "std_ref": {
  "r0": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "205",
   "URI": "http://asc.fasb.org/extlink&oid=6359566&loc=d3e326-107755"
  },
  "r1": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(b)",
   "Topic": "205",
   "URI": "http://asc.fasb.org/extlink&oid=64827811&loc=d3e1361-107760"
  },
  "r10": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(28))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r100": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SAB TOPIC 5.BB)",
   "Topic": "330",
   "URI": "http://asc.fasb.org/extlink&oid=27011343&loc=d3e100047-122729"
  },
  "r101": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SAB Topic 5.BB)",
   "Topic": "330",
   "URI": "http://asc.fasb.org/extlink&oid=27011343&loc=d3e100047-122729"
  },
  "r102": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "330",
   "URI": "http://asc.fasb.org/topic&trid=2126998"
  },
  "r103": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "05",
   "SubTopic": "10",
   "Topic": "340",
   "URI": "http://asc.fasb.org/extlink&oid=68074540&loc=d3e5865-108316"
  },
  "r104": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "5",
   "Publisher": "FASB",
   "Section": "05",
   "SubTopic": "10",
   "Topic": "340",
   "URI": "http://asc.fasb.org/extlink&oid=68074540&loc=d3e5879-108316"
  },
  "r105": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "20",
   "Topic": "350",
   "URI": "http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266"
  },
  "r106": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "5",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "20",
   "Topic": "350",
   "URI": "http://asc.fasb.org/extlink&oid=77989000&loc=SL49117168-202975"
  },
  "r107": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(a)",
   "Topic": "350",
   "URI": "http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267"
  },
  "r108": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Topic": "350",
   "URI": "http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267"
  },
  "r109": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "30",
   "Topic": "350",
   "URI": "http://asc.fasb.org/extlink&oid=6388964&loc=d3e16212-109274"
  },
  "r11": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(29))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r110": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "30",
   "Subparagraph": "((a)(1),(b))",
   "Topic": "350",
   "URI": "http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275"
  },
  "r111": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)",
   "Topic": "360",
   "URI": "http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229"
  },
  "r112": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "360",
   "URI": "http://asc.fasb.org/extlink&oid=84176398&loc=d3e2941-110230"
  },
  "r113": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Topic": "450",
   "URI": "http://asc.fasb.org/extlink&oid=82911808&loc=d3e14326-108349"
  },
  "r114": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "450",
   "URI": "http://asc.fasb.org/topic&trid=2127136"
  },
  "r115": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "13",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "470",
   "URI": "http://asc.fasb.org/extlink&oid=99376301&loc=d3e1314-112600"
  },
  "r116": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "14",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "470",
   "URI": "http://asc.fasb.org/extlink&oid=99376301&loc=d3e1336-112600"
  },
  "r117": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "470",
   "URI": "http://asc.fasb.org/topic&trid=2208564"
  },
  "r118": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "505",
   "URI": "http://asc.fasb.org/extlink&oid=84159872&loc=d3e21463-112644"
  },
  "r119": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.3-04)",
   "Topic": "505",
   "URI": "http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770"
  },
  "r12": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(3))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r120": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "SubTopic": "50",
   "Topic": "505",
   "URI": "http://asc.fasb.org/subtopic&trid=2208855"
  },
  "r121": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2A",
   "Publisher": "FASB",
   "Section": "32",
   "SubTopic": "10",
   "Topic": "606",
   "URI": "http://asc.fasb.org/extlink&oid=82859839&loc=SL82860478-203043"
  },
  "r122": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "606",
   "URI": "http://asc.fasb.org/extlink&oid=82913815&loc=SL49130531-203044"
  },
  "r123": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "606",
   "URI": "http://asc.fasb.org/extlink&oid=82913815&loc=SL49130532-203044"
  },
  "r124": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "606",
   "URI": "http://asc.fasb.org/extlink&oid=82913815&loc=SL49130533-203044"
  },
  "r125": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "606",
   "URI": "http://asc.fasb.org/extlink&oid=82913815&loc=SL49130534-203044"
  },
  "r126": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "606",
   "URI": "http://asc.fasb.org/extlink&oid=82913847&loc=SL49130539-203045"
  },
  "r127": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "10",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "606",
   "URI": "http://asc.fasb.org/extlink&oid=82913847&loc=SL49130551-203045"
  },
  "r128": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "13",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)(1)",
   "Topic": "606",
   "URI": "http://asc.fasb.org/extlink&oid=82913847&loc=SL49130556-203045"
  },
  "r129": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "13",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "606",
   "URI": "http://asc.fasb.org/extlink&oid=82913847&loc=SL49130556-203045"
  },
  "r13": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(30)(a)(1))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r130": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "606",
   "URI": "http://asc.fasb.org/extlink&oid=82913847&loc=SL49130543-203045"
  },
  "r131": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "606",
   "URI": "http://asc.fasb.org/extlink&oid=82913847&loc=SL49130543-203045"
  },
  "r132": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "5",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "606",
   "URI": "http://asc.fasb.org/extlink&oid=82913847&loc=SL49130545-203045"
  },
  "r133": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "8",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "606",
   "URI": "http://asc.fasb.org/extlink&oid=82913847&loc=SL49130549-203045"
  },
  "r134": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "8",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "606",
   "URI": "http://asc.fasb.org/extlink&oid=82913847&loc=SL49130549-203045"
  },
  "r135": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "91",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "606",
   "URI": "http://asc.fasb.org/extlink&oid=96862333&loc=SL49130690-203046-203046"
  },
  "r136": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "30",
   "SubTopic": "10",
   "Topic": "710",
   "URI": "http://asc.fasb.org/extlink&oid=6409875&loc=d3e20015-108363"
  },
  "r137": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "710",
   "URI": "http://asc.fasb.org/topic&trid=2127225"
  },
  "r138": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "712",
   "URI": "http://asc.fasb.org/topic&trid=2197446"
  },
  "r139": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "715",
   "URI": "http://asc.fasb.org/topic&trid=2235017"
  },
  "r14": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(30)(a)(3))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r140": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "19A",
   "Publisher": "FASB",
   "Section": "25",
   "SubTopic": "10",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=96949009&loc=SL79513924-113897"
  },
  "r141": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=96867065&loc=d3e5047-113901"
  },
  "r142": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=96867065&loc=d3e5047-113901"
  },
  "r143": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=96867065&loc=d3e5047-113901"
  },
  "r144": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)(1)",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901"
  },
  "r145": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a),(g)",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901"
  },
  "r146": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)(1)",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901"
  },
  "r147": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)(1)(i)",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901"
  },
  "r148": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)(1)(i)-(ii)",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901"
  },
  "r149": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)(1)(iii)",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901"
  },
  "r15": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(30))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r150": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)(1)(iv)(2)",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901"
  },
  "r151": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)(1)(iv)(3)",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901"
  },
  "r152": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)(2)",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901"
  },
  "r153": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)(2)(iii)(1)",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901"
  },
  "r154": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)(iii)",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901"
  },
  "r155": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(d)",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901"
  },
  "r156": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(d)(2)",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901"
  },
  "r157": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(e)",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901"
  },
  "r158": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(e)(1)",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901"
  },
  "r159": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(f)",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901"
  },
  "r16": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(31))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r160": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(g)",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901"
  },
  "r161": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(h)(1)(i)",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901"
  },
  "r162": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(i)",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901"
  },
  "r163": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(l)",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901"
  },
  "r164": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901"
  },
  "r165": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2A",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=96867065&loc=SL79508275-113901"
  },
  "r166": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SAB Topic 14.F)",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=27013229&loc=d3e301413-122809"
  },
  "r167": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "718",
   "URI": "http://asc.fasb.org/topic&trid=2228938"
  },
  "r168": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "6",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "740",
   "URI": "http://asc.fasb.org/extlink&oid=84176650&loc=d3e31931-109318"
  },
  "r169": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "740",
   "URI": "http://asc.fasb.org/extlink&oid=84230637&loc=d3e32537-109319"
  },
  "r17": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(32))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r170": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "9",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a),(b)",
   "Topic": "740",
   "URI": "http://asc.fasb.org/extlink&oid=84230637&loc=d3e32639-109319"
  },
  "r171": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "9",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "740",
   "URI": "http://asc.fasb.org/extlink&oid=84230637&loc=d3e32639-109319"
  },
  "r172": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SAB Topic 6.I.7)",
   "Topic": "740",
   "URI": "http://asc.fasb.org/extlink&oid=34349781&loc=d3e330036-122817"
  },
  "r173": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "808",
   "URI": "http://asc.fasb.org/extlink&oid=6931272&loc=SL5834143-161434"
  },
  "r174": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "60",
   "SubTopic": "10",
   "Topic": "820",
   "URI": "http://asc.fasb.org/extlink&oid=7493716&loc=d3e21868-110260"
  },
  "r175": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "825",
   "URI": "http://asc.fasb.org/extlink&oid=77997519&loc=d3e13279-108611"
  },
  "r176": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "230",
   "Topic": "830",
   "URI": "http://asc.fasb.org/extlink&oid=98513438&loc=d3e33268-110906"
  },
  "r177": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Topic": "835",
   "URI": "http://asc.fasb.org/extlink&oid=6450988&loc=d3e26243-108391"
  },
  "r178": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "30",
   "Topic": "835",
   "URI": "http://asc.fasb.org/extlink&oid=64930785&loc=d3e28555-108399"
  },
  "r179": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "850",
   "URI": "http://asc.fasb.org/extlink&oid=6457730&loc=d3e39599-107864"
  },
  "r18": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(4))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r180": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "25",
   "SubTopic": "20",
   "Topic": "940",
   "URI": "http://asc.fasb.org/extlink&oid=68072869&loc=d3e41242-110953"
  },
  "r181": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.9-03(11))",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878"
  },
  "r182": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.9-03(16))",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878"
  },
  "r183": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.9-03(23))",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878"
  },
  "r184": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.9-03.17)",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878"
  },
  "r185": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "225",
   "Subparagraph": "(SX 210.9-04(15))",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882"
  },
  "r186": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "225",
   "Subparagraph": "(SX 210.9-04(22))",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882"
  },
  "r187": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "225",
   "Subparagraph": "(SX 210.9-04(23))",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882"
  },
  "r188": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "225",
   "Subparagraph": "(SX 210.9-04.9)",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882"
  },
  "r189": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.7-03(16))",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910"
  },
  "r19": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(6)(a)(1))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r190": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.7-03(5))",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910"
  },
  "r191": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.7-03(a)(12))",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910"
  },
  "r192": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.7-03(a)(23)(a)(4))",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910"
  },
  "r193": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.7-03(a)(25))",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910"
  },
  "r194": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.7-03.(a),19)",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910"
  },
  "r195": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "225",
   "Subparagraph": "(SX 210.7-04(18))",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=6879464&loc=d3e573970-122913"
  },
  "r196": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "225",
   "Subparagraph": "(SX 210.7-04(19))",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=6879464&loc=d3e573970-122913"
  },
  "r197": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "225",
   "Subparagraph": "(SX 210.7-04(8))",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=6879464&loc=d3e573970-122913"
  },
  "r198": {
   "Name": "Regulation 12B",
   "Number": "240",
   "Publisher": "SEC",
   "Section": "12b",
   "Subsection": "1"
  },
  "r2": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=82887183&loc=d3e6676-107765"
  },
  "r20": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(6)(a)(3))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r21": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(6)(a))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r22": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(6)(b))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r23": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(6)(c))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r24": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(7))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r25": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(8))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r26": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.1)",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r27": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.12)",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r28": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.14)",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r29": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.17)",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r3": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=82887183&loc=d3e6676-107765"
  },
  "r30": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.19(a))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r31": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.19(b),22(b))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r32": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.19-26)",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r33": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.20)",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r34": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.21)",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r35": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.22)",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r36": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.24)",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r37": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.25)",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r38": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.4)",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r39": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.6(a))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r4": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(g)(4)",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=82887183&loc=d3e6676-107765"
  },
  "r40": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.6(d))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r41": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.9)",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r42": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-03(10))",
   "Topic": "225",
   "URI": "http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688"
  },
  "r43": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-03(20))",
   "Topic": "225",
   "URI": "http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688"
  },
  "r44": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-03(21))",
   "Topic": "225",
   "URI": "http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688"
  },
  "r45": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-03)",
   "Topic": "225",
   "URI": "http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688"
  },
  "r46": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-03.1)",
   "Topic": "225",
   "URI": "http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688"
  },
  "r47": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-03.2(c))",
   "Topic": "225",
   "URI": "http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688"
  },
  "r48": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-03.2(d))",
   "Topic": "225",
   "URI": "http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688"
  },
  "r49": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-03.2)",
   "Topic": "225",
   "URI": "http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688"
  },
  "r5": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=82887183&loc=d3e6676-107765"
  },
  "r50": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-03.4)",
   "Topic": "225",
   "URI": "http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688"
  },
  "r51": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-03.5)",
   "Topic": "225",
   "URI": "http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688"
  },
  "r52": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-03.7)",
   "Topic": "225",
   "URI": "http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688"
  },
  "r53": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-03.9)",
   "Topic": "225",
   "URI": "http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688"
  },
  "r54": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "12",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(c)",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=98514028&loc=d3e3179-108585"
  },
  "r55": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "13",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(c)",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=98514028&loc=d3e3213-108585"
  },
  "r56": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "13",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=98514028&loc=d3e3213-108585"
  },
  "r57": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "14",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=98514028&loc=d3e3255-108585"
  },
  "r58": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "15",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=98514028&loc=d3e3291-108585"
  },
  "r59": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "21C",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=98514028&loc=SL94080552-108585"
  },
  "r6": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=82887183&loc=d3e6787-107765"
  },
  "r60": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "24",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=98514028&loc=d3e3521-108585"
  },
  "r61": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "25",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(e)",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=98514028&loc=d3e3536-108585"
  },
  "r62": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "25",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(f)",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=98514028&loc=d3e3536-108585"
  },
  "r63": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "25",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=98514028&loc=d3e3536-108585"
  },
  "r64": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "26",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=98514028&loc=d3e3574-108585"
  },
  "r65": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "28",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585"
  },
  "r66": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "28",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585"
  },
  "r67": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "28",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585"
  },
  "r68": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=98514028&loc=d3e3044-108585"
  },
  "r69": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=98513485&loc=d3e4297-108586"
  },
  "r7": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=82887183&loc=d3e6801-107765"
  },
  "r70": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "235",
   "URI": "http://asc.fasb.org/extlink&oid=84158767&loc=d3e18780-107790"
  },
  "r71": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.4-08(h))",
   "Topic": "235",
   "URI": "http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690"
  },
  "r72": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.4-08.(e),(f))",
   "Topic": "235",
   "URI": "http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690"
  },
  "r73": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.4-08.(h))",
   "Topic": "235",
   "URI": "http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690"
  },
  "r74": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.12-09)",
   "Topic": "235",
   "URI": "http://asc.fasb.org/extlink&oid=26873400&loc=d3e24092-122690"
  },
  "r75": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "235",
   "URI": "http://asc.fasb.org/topic&trid=2122369"
  },
  "r76": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "10",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "260",
   "URI": "http://asc.fasb.org/extlink&oid=96947427&loc=d3e1448-109256"
  },
  "r77": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "16",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "260",
   "URI": "http://asc.fasb.org/extlink&oid=96947427&loc=d3e1505-109256"
  },
  "r78": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "260",
   "URI": "http://asc.fasb.org/extlink&oid=96947427&loc=d3e1252-109256"
  },
  "r79": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "28A",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "260",
   "URI": "http://asc.fasb.org/extlink&oid=96947427&loc=d3e1500-109256"
  },
  "r8": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6361739&loc=d3e7789-107766"
  },
  "r80": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "260",
   "URI": "http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257"
  },
  "r81": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)",
   "Topic": "260",
   "URI": "http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257"
  },
  "r82": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "260",
   "URI": "http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257"
  },
  "r83": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "52",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "10",
   "Topic": "260",
   "URI": "http://asc.fasb.org/extlink&oid=96948231&loc=d3e4984-109258"
  },
  "r84": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "260",
   "URI": "http://asc.fasb.org/topic&trid=2144383"
  },
  "r85": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1A",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)",
   "Topic": "270",
   "URI": "http://asc.fasb.org/extlink&oid=84173487&loc=SL51747714-108306"
  },
  "r86": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1A",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(e)",
   "Topic": "270",
   "URI": "http://asc.fasb.org/extlink&oid=84173487&loc=SL51747714-108306"
  },
  "r87": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "21",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "280",
   "URI": "http://asc.fasb.org/extlink&oid=68060357&loc=d3e8721-108599"
  },
  "r88": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "22",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "280",
   "URI": "http://asc.fasb.org/extlink&oid=68060357&loc=d3e8736-108599"
  },
  "r89": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "25",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "280",
   "URI": "http://asc.fasb.org/extlink&oid=68060357&loc=d3e8813-108599"
  },
  "r9": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(22))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r90": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "30",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "280",
   "URI": "http://asc.fasb.org/extlink&oid=68060357&loc=d3e8906-108599"
  },
  "r91": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "280",
   "URI": "http://asc.fasb.org/extlink&oid=68060357&loc=d3e8475-108599"
  },
  "r92": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "40",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "280",
   "URI": "http://asc.fasb.org/extlink&oid=68060357&loc=d3e9031-108599"
  },
  "r93": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "280",
   "URI": "http://asc.fasb.org/topic&trid=2134510"
  },
  "r94": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "310",
   "URI": "http://asc.fasb.org/extlink&oid=84173941&loc=d3e5074-111524"
  },
  "r95": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SAB Topic 4.E)",
   "Topic": "310",
   "URI": "http://asc.fasb.org/extlink&oid=27010918&loc=d3e74512-122707"
  },
  "r96": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "25",
   "SubTopic": "30",
   "Topic": "325",
   "URI": "http://asc.fasb.org/extlink&oid=6384206&loc=d3e41899-111602"
  },
  "r97": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "35",
   "SubTopic": "30",
   "Topic": "325",
   "URI": "http://asc.fasb.org/extlink&oid=6384439&loc=d3e42048-111605"
  },
  "r98": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "8",
   "Publisher": "FASB",
   "Section": "30",
   "SubTopic": "10",
   "Topic": "330",
   "URI": "http://asc.fasb.org/extlink&oid=68048583&loc=d3e3636-108311"
  },
  "r99": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "35",
   "SubTopic": "10",
   "Topic": "330",
   "URI": "http://asc.fasb.org/extlink&oid=68049868&loc=d3e3927-108312"
  }
 },
 "version": "2.0"
}
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>ZIP
<SEQUENCE>53
<FILENAME>0001084991-18-000049-xbrl.zip
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
begin 644 0001084991-18-000049-xbrl.zip
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M6PY>[K1M[.!(H0<&PV05W0U\6$>']><I<L^N!DXJU%C+,1 Q57R8'PLQ.1.
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M)6J_'6KW.J9X,&#S@_6L:P1/1"P ;>1O#/GMA]/E\<4C(7V)6HG:_RO _K[
M_LU\"J>2)DP_335/D+^2X_.@X;4<C?)$I$3J29T=/4DPMT\EPZ@81SK[R\<&
M2K\OD4?(G?*$XT=/.&R3N_-TTXIU,E@H))T)S9LL2Q;O,]E;+($IU<5A*CE+
MYC30.S4:K70Z+/']+'?K:LK8NN1:R+-K<4)'P5RH0KA)'-:9QM@Z%@F]GORX
M]QT)C]=Z056F.N'-%RA=FI>*IBN0-*1FEX8UVAJT Q71^MS,'%[.*5Y+6)"
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MEI7Z^Z,JW0;#'QW#?45U?955+INMO:];O'*Y<5;[6B'[Q[MPWY!7ZUL" $(
M( "2D[/*X8$-08E<<A08@4#2*X6LLAA9'RD%RPGHYX45!($E8C^+$MYWK4_I
MFFS0;@SM->B%A;L&Y!8K;F"$P)AST)PN)]YRZG++ Z$8'VS>V"U$WVB!$_]S
M ;$K*XZ2>,NKS6;G+"5DWG>ZZYV!Z^>#)LC5SJ#=[VU''QO?K&O&D;T7LF1O
M^#2;K*%YY6)DZ-8>W_]0(7M?]\#;]AO5]:VS"OUX5%WWE]7C]ZW*<;6UO[Y%
MP3CTVNM;FP(,2=)KU>,3:.,6WCL^X?M?]T\JEZMG^Q_>-ZN7>WB/5O#W7@_7
M03MV>:V^1VOU3?#Z[4:M?M3<3^U;_^L$VLRJQ]O'P!Z/2D78W=-KCY?&<VL"
M15HI Z&F#\G9-6)4*.]8I)* *."<7:'G"BZ/@8_GP!PX6$8"?)L,)DIKA-0<
M!YP;[0OX*$)3MK&$SX3@<W0??+:'\N*OT4 RA,^7YDTFRQ%BI I(!2N @#Q%
MSI& +#:8!+!R]')A14CS'/B,BWTVV]\ %YWNQ1?;'!0IZNV8<N>Q5V+E45AY
M1%KK:_/CM>S,'?B\![$I8@"P! ZC58X-<H$'Q8.Q1*8 A$P#U918&1M6]D_N
MP\KV$!__#K>QLG>-%6F$L-2G.)7Z%*Q"=()!'YJ@F/;@_M::A14B)L,KM^.6
M]J 5.OW1^U<P:A_VEF%D&K0&S92'6X^G7;A@A*-VWS8W_C-HG+;*8>KQ<*J.
MX#0:DHY_03V5:SBI:'R 2 ,9B@%3N=:@D56.! U<> 94X46"DU@T^EECU=/Y
MI\34Y#"UMWL?INZEJ)M9&B.Y [JP$'QY"):Y5L@Q:U$,"@>FH\HE!DQQL:C%
ML\:T%^2I:V5]/Z[@<3.F!ZOML-KJ=/N-R^+US]W.:>SV+SXW;;L/[Y7(>QKR
M'I/6;]:ND<>9$ECF! EI.:AN"D&;SCGR41-/L0PLY>\(621*3BF9E<";,/"J
M]P+O7LH[N@:>)UCD1#$D<L[2['1$.AJ#N,2,$:&!A40!/*KXE#)>&D4W8;1L
M'S9<,Z[V>K'?NP7"VV K,?58,GOPM%2S>@M3UFJ/)0RCB<RD=4C+&"$J5"($
M8F*T'C"U"!'!E')9":D7I*E[(74O31U?0TIH(",5/ H2&(ISP9 QD2(<"8W<
M"VP,+R#%Z,,AU3NRW13]CX&H-JOO'S%$?N[&/':[,>ST._YDIVC&ZJ!_U.DV
M+F,H$?4X1+4J0XV_<3?=>2])[=RDKK0R2IH _*1#6H<CD*7,H-Q+'KQQDAC0
M^F(18_Q,1#V-ITI$31!1(RGU':+NY:C6K62H9MY3FE+E'O&@T\HN)Y$S*F!M
ME,:>C =18^*HR]CM!-L[>@B8-GN]P2T@X1)(#Z.F86IK8SC8;9S]@IJV;P8[
M067@SJ!@N4,\5PKI8$&8LX"M=]KF%H+!__Z'IH3^,1WD5$+IY3GI7BC=RTG-
M:R@Q3+BC(2");8ZXCQPY8E*^U+&H#%;"T'%!:0*L5!OTTW:0T&@?EGAZ))Y&
MZ\PVANO,-O OJ&GK&D]4@D8BQB(OF0;I9 0R>5J+(H@(41%.B)AA:BKQ]'0\
MC?*>W^'I7GYJWZ0*')"%*U 4#+ 2P<A8'I%77@NKB"':/ %/@U[X'+N%3<='
M4G?AL]9IM3KM CN?;;?6W>FGS$":6XXW7UU"Z%$0VAL%<L-)FPW^"TK:O4F=
M*T(D-21MJ$AK$ 1.6Z\DXDX+8P@AUON%%;R$'S=C\Q/\/(.42OR\.'YV[\//
MO134N<9/C)';&#2*/ )J(E/(>)I67*:U3H821]QC\3.QS-(M5)5)@&>A*:WR
M':)E^^[*J.]6O13_3G<3XG9V+[=7#[#E1.=.("J$0ER9B)R'$8XJ(I5GT@5E
M%U88GI',4HFH,2+JP_Y]B/HNS31$E-V]1I3/F60^!N2X3IL[M$S;?#S24H+1
M6&3:Z#$AZA46)OP J._R 268'DI/0V&T/11&:]N_H*<OM\!$G<32&232JEZ>
MVQS90 32#.>""69M#O1$Z**1>B+T5()I(LQ4O0],]S/3K;&.$F",()#%$2/.
ML0'MI +"5K)<8AM-D 68M)Y%9KHO'5 BZJ'T--3;VU^+OVL[OZ*GDVM$R:"5
MXD0B>$ !498@QZA%PH?@K#-48C;#]%0BZCD<]?$^1-W/4;<0Q<"$-$A$(LE!
M/3D)8YUG*#>$&"=S;2SY.XZZ=P^D%<08DHL0N>8@\>&Q)(Q2K:03PJG1'D@&
M@^O5@^_Q48#B+]N+ 9!R&MN]8DG):K=KVX<Q+8+[Z^+FDL_V(KVT>F:[H?C/
ME]CK Y"&6ZS)I/=.'OMO^^V/1_N7IZW*A]WS*MR[LKYWME=?Q?OK'X_VC@$%
M=4##<?K^+X"N55K=,7C_WT?8M[ZT[5<S  2>[=<!35\WSJK'?\'GMT\JK?<-
M0,%1Y>LNK7W8O=C_NHGAON3?EUN7M?KA614>0SM(];)R8(2E7%N+BE(\W 6(
MXBWG*!DY*HF5DQ#*?V9[C]GJBJ7!CLCH<F%X%%X+(;T+/*<2AB.N2S._IIEK
M]8T#ZC73:7Y4YEZB5.D .<(8T@I[);7-N7J\F875GK(HA801(!IB\U2QQQO-
M\B!<SG^QH_G*S!NMTV;G(L:=8?6V^ZU>[;2_@4'CT+:]>J=OF[??7^OT^M5.
M?R]"NWSGL)T"[:LB"MW12^FZ-PX$6EGW!UC3D/9$(T,\Q#):"^0,BPA3CW%N
M'698_0H(CTG\"AQ=JO+%. :^#RFS#$&Y5U9*22DU]^+C1C;0AW'"]RF6W7:
MYB3]4#LM5DLW;;NW<1Z[OM&+G^&GQ.W$(9\Z9[$[?-1H-?K3DC@^KZVOCD#2
MX6DXWS_^T@*90*K'%0#)E]8>/*O40Z.VOH'WZU_@N]\?U=8,W/-C;[]^"D-_
M2!ON6?7K+AC^$%<N P!K_Z3:V@-0G/"]RY-4::%9;8P^\^^/1ZX50)94CZLT
M;;CW9!\ 65O?NJQ2 %9KB^X?;YV!S#BN%946=NF_+U>O*CE=[:E^/Y01U5&R
M^';BF)Q=)XXU 9UH(X<Q)@=A$2$"<DX;E$=&M&8!!@HSOHF'J<;?[NEIB;_G
MX._D/OS=-W%!+F[FXCVEC,<<26P@^(9A+Y6"DLAQ:V)P@$!2;*A<4H^(O7\.
MP.!A3 3%8X2&R(D* P&X#T0HZZ@->4F LPS T3K_OT9%AS[^@@#/KP%H"F4,
M (PT*,2E)TCG!AZ1:"T5Q"J9#P$X%@:<:@"6#/A, .[>!\![&?#R&H!$45;,
M^H/< _WG,3 @-@[!J.BU])QH&P& :DF/!8 D$L:-$)PYRZ,3%C,A(=:P6"L/
M;2D9<(8!N#<:@D<;AJN_8$!R#4"E8Q0L=\AJ%9,$#,@I)A$N1)H-G"L^!. C
MMJ7,* !+!GPF '?O ^"]#'A331:"7,^84,A@G:KUB%3VB7-$J8L,D,FL"ZD"
MY!)_1+;\YP!T1HEH;%3&&LXUUM)83(QP- K (RX9<'8!>%'Y^F4(L+O!R'?[
MB8M__7 S!V@-4$^ "#@ 'A#'C"*(21TR(C@G@[,J[2!.$'Q<&8Y9A&#)@<^%
MX/Y]$+QOBJ<?;DWQ2*.X\AYY80&")*TG-L0B:T.0 $;#&5E886R)/:)XPKUS
MAA%''3Q$(C%('JQQN6-& \JEA7B;DWLG YZZ].K)TP:IAD+_8K/=ZW>+4KR]
M6O\H=NM'MCU$;^]#.A*BM]D>)I;G!*8=O/]A0U2/P\E>_7UC[_(0KJFV:O!]
MM?6]B^KEEV;MPZZHU@_I#S ]WH;/G- J37GGC\>U]>UFA>Z)_3K\KN/-!'MH
M_PF!^PR':GS?4'W?.F5R4Z*7!"JQ4 )%EW;%FURAQ%[(V*"5\\!3DB>>_-4J
MKGMG+IZ$R5L@3(?)+(=!]ZS3#;W8GN/)JQG!UT6E/L)2<XBC+S]?.]&OW"SM
M<LYQXU0ZFHFF"AXR;9+WJ7P18X%(&;#4"RO]HVZ,62KDW_MA6N3=W;-IBATR
ML>UC;^7/=)+.<J\XPPA@EQ4GZRSW+](A!;U&Z[293N0I7H/;YT4%A>OQ=^F\
M%])1.G=O,?RVVU]1/.UU!MWB67$2T/((Z2/</*'J\-6-8G',Q=6S1DC/\T;L
M9D6#XKVG*:UM_N_=0SF^__#*U4MW[WY:H/WJ6:]ON_U4W;BHQ)[.C,+7M[IY
M[[J9X=:E$C%\\Q7#=ZZ>7WW)NSL==76?-(P5G38:QJY>;T7;&W3CRNCKBS>O
M;G'UWM7S=(][[>"CT 8$F /9Q85U6AEO,!<<YY;2&$=KL71:JC/Q[A^>&-4?
M]2C\/[N^T>B=1_;HH$#SW2X;G1RVO+NS_NC>?,3*MFGKS=OX?%QOWL73PU=B
M354/J*LRW,_%TW6L<_5F:'R#9MV^M.!HV^]TGPB]'SZ?7ER/[4ZKT;[OM@\E
MB#NW>'>W]7^'?$,9BUXSJB/P.;8&C"Z"8B(PS0./(S[GK\CGHY\=#Y.,&3X-
M\&7GI\V&;_0KL>7@*T(#WAV>SGBSF[03!KY?ZXX6?ZR>-X!T4QVA827'X2?_
M?'?O#:][ZOI[GS"L\-<85NZ8+UIP3@UL)7/,=21&LMQ;Z8@G!@PZ%)[JRGRJ
M--]/S:<>;CXU/O-Y9A@.WFH:N&;6>16U8$P69&O=!-34C)KOM43=73&<FTBB
M#(QSR:E*(Z:B5 GO#7BEDR/O(Z7W/<#['FJ^\7F?Y"X:3YD3CG$PC@8?S"TA
MD0IFO)!S,?:-WMFQS=B;QQ&0\R HUH8%X3FH&8B&<DJT(1+K8(*:BQ'P%8TX
MD7'0I].K10C0HX;[D'S-Z9CGD8 _6C.)K,),&W$BHV%.*77.4\6TXXQQJYCS
M)EAMA) 01\_%:/BZGOCZ8Z(.@4#\+RF/8$1L+ $UX[2P0E@0J&(NQL31"[8=
M*K:13AQ/QQ_-X^!('(@9+[WPCO 0<DTIL9&#8%6&@FB=B\%Q$M:<S"C)&4TG
M50<B!;<,6Z,,SD,,&*)]K,)<C)(3\LW7'RZ%I#0JRY5/"\A$.FO JEQXR0W)
M?2[F8KB<D&^^_KC)M;31@.W HA!61JV"I#G-6=# O&P2X^9,C%!PLQA(H'D(
MF%./74B)+^BVB"/GH_G$UQVA9F(LL)%@K/-<6BVX%-HZI5RDFECKM,5^ NPQ
M$WXJT@*-W(K I>(Q2JT\8R;'$DL;0G3%/)><OGDN^9QYKKMAFLT!*4Y0QP37
M.2A#)Z6P$9X*IK 9SO1-"6#NS/2-:ZX3!TJ#8A"?!L^CS[5AZ0R#M&$&VZ#N
MW<4RI2-O_>(TUO);*X%NAMZ_&LTFC+O_ZC3#K??G44EA&H0'+4QR0CA8TV@M
MC&/<. *#KYB/F#6M_.K&7B_M0"].0)G'>-5ZX&"/<V:UY$(RXSG!QAG@)4M<
MF(_IS->VY$3T":58"QD993#4,JTU-KG4E!IGK?4^GR&.G1Y+3FB24R2QZ;3#
M$*%&ZK177$7!;8Z5D9-0FK-OR8EH7VKRF!NP81+!CBB=@P#VCEK"E70JGXMQ
M\GTS+9>:XS'2@R]:DG/LB>/1<N-S[',FL"0:U*N8BS'R-:TXD?'12.T%#(0Z
M'0\2M=)8<2LLE<:EU7=Q+L;'5_;%28R-BE B@$,UF(]R0XD%-W01LY20GX\I
MSU?VQ=<?%V,NC$GI((LYEQ%<T%B<4T>%2(7FYF-<+/:??8;N!$NZ0:,9YG(U
MD!-4!R9H3IGDGGB;>\RX]*!\,-7.S<7@^.JFG,@(&0AUA&-K0DXYJ!SM)7;<
MY#@J2Q3W<S%"3L(K7W^89#ARB/L]A=&2<^O3T<2"6?!#Y70N]5P,DY/PRM<?
M*[T7Z72-&'-*>4ZBS9D3@GF7%@TY&KXSY91,I#R]W^[,NCPG]LXQQ-VYB33W
M7#,#/*9!;A L))5>J]?;878_\M,VTO!SV&_';[$]B-NQ91OMX6;B8OMRV\>:
M:S8.BPW)&^>GT8-&K#=:<$DMWX%7>_EP^_3.52\/'>;/E[GQ4NBD^R33&815
M8>67_:9K[[[5@4]R[1?9U6=)6GB9,T]]X"S5;E=8YU:P2')EG2A1-U[447S%
M+6\9=2HZD6L56!)PD6OCJ24&1HT@@_,LE*@;,^I(B;J%AA26:T=\M#;G$+ZG
M[73,Y8!$8;&RM$3=F%%'2]1!E K1J,1!"L(YQ](X(5T,$?-H'#74EZ@;,^I8
MB;J%1JY2!2/L<TES;KS4(9AHHM"8 NE94Z)NC%C(SGN-Y7:C^<^%?G>0ZD.\
M:>@Y$:2%^)6J@+DP'. 6/:><*V,"@&_2T/O[%,XSR@W^=?%CP<%;.Z73TUK[
M!=:WOX@EGW*<06G2^<G*>AV54]9PF4>.B06?%C(J)2WVV#/[UCVY?M:9$4]^
M2EG^TJ3SX\F6>4QU(!!U*"XCTQ")4"DCD<)AHB8>A$S<[*G>XHSX\E,*S)=&
MG2=OELH) NPMHL%<::>U A_.->'68ZY?L1CA=!K^?6?0G1%G?DJE]-*F<^3+
M&$Q/*79@8<KS7.C<Q8@#2REIX3B9?E\N2DBG;69#B_UPT.:-K6?$)XGB&!L)
M&ED1;B1W%@PB/18\> '">89\<I*VF;QO06=2207C.C?<$.F<$PJB'? VE9L<
MS]"RS6DRY.LOVLPQ]A)S&UF>IYZU3(*'*F%XSA5VL[2C86H,.9FB!$\XCGVV
M#+D=>WW0,/T8"E/^C1$?_&WU1K\9:_EFNRC;/+#-N]^Z=M2(.6@H/^@WOL%U
M.:BH5Y!+#!'Q0":X?>ESY-(3#GHO ?1  +UOI.H[#=N<8P#E-L^5"R9P@KFP
MW$K//8O,I9H?( UF7]Q-!D#KC6[T_<Y<QFC":D]9E$)*S2/(#PC3(!8PFN5!
MN)R_-<S,I!&],MX3K2+).1>!:IXKED.(;;6#3E8SM,5@*HPXF>),F DOO0XB
M&.Z5UY$&G6L=O64@(MW,9DM>W'8ODBEYRJEF\VR7YPZF*=OY!937YV[L%3^J
MD]>C/VHWO&V.MA.]PO:O5Q%EUR?KM >IX3\Y^^H4'E[=X,%G-47E<^>EXRPX
M+F.J*\,P5Y@:K:F@?/I)8JT;0Z/_WOI&$YKU/2*_=9K?&NW#NQ?-"&-0,(T0
MFDE,!8\I(0<FT;FQ05B6RUFJ^C,51IJ(KKKVW6;'MG_PW$1BZ8U'^ZT#%<8<
M(9;FE%,#P1C&#@ 06(@,HO[I]]LOMMNPKAFWKQ>>7KWSJ=,.G?8F_-JNL^T3
M"+ C("-=]VGSK]KVN,:5J<#DRVQ4,[G+!;.6"\8YJ QFF'*14)U+P\TL'814
MHF0Z(L)(L.'*J#PRSUE.-,02@"^=>T[2X3 S!*GQ6_09:"[*I;GW, :D4X73
MZ_.(GD!,#J&MBDX;#B.62:72TMHZ9PW$I'*&T'-KO<752Y5&N]$:M$K&&6_Q
M&2]U'JEC+E).0FX9<S0';"A.=%"SE'R^#S/VO,3,^$NCN#RD"N2">\PCA2#6
M6V*"\Q:$,7&O>.[N] Q.SQ.ESSH1^+NCY7Q.@/.-DY@[$:T%#P<Y"B$,%UJI
M&5I@\F*K]U:A::'1+":F-T#0^E>H,#Z!FIM&6A]<T$9!>*)RIYV1>5#2DUQZ
M5FZPF! 27I^O*6$*V#DPS2P'QH9Q/00M@P&)"('K+%5\G!\D3&2RRBF"61Y(
M<)1Q2YUS7F##I"-"Y4'R&5JU-E=(>)5E;]<YTE%+[TV3CMY[=*:41"6CT (K
MKM)!FCH75%IC(U':1D-F2'?\XF2P=(+FZ-5/C=?88?OZLH%1B/LD# TA&*YC
M;DB08$M25 <6A,V0(=<Z[5ZGV0@%,VSV8ZOWW0JS3O>TTX5^J@)Q#.\^CQ;U
MG#C)E;?&$1CNK09?!=[7,6*A*;<S1/I3XYJ3J2[K..6>8$P%*<IV$ZF9AFZF
MN6-A5/Q@-@PY?:XY$8LZI21/)Y(X8GE,YS *+(/U$ANE")FE&&UJ7',R^WJ$
MS4.TPF+!P9#82B:8CV RD-R<S=+1"-/GFA.Q*.=6<A:XX41SH6)R2.8<AS$T
MMX[D,Q0T3XUK3B3FE81&1?(<*-;Q5,C8TCQ7!*1LGJK=\1DRY/2YYLM;]%WC
M?!E"^LZ@ZV-O^/0HVE T/C2^K?P)_QD:^@ ?I F'FU=[_8MFLE%L'![UEYD\
M[?]QU@C]HV604/_WCX7BHI4_>Z>VO?*GZ[Z#CPX?#^_PPWV:X"!H=#-"X0ZI
M@<@V&X?M91_3"HD_$(  P:M=Z_O+O4&K9;L7Z8O2?:]NXZP_.>QV!NV ?*?9
MZ2YW#]UO5(C%JW\97L*__S%\[Q^X^-\?.70'RFVKT;Q8K@,P>EDUGF7;G99M
M#]_K-2XC_"[XB<73LV$S%7STAV9_B]U^6KXY:KKK]/N=%K3RO_]!)/YCM[I9
MWUC/=NJK]8V=;&=C;7=[L[X)#U>KZ]G&O]?^M5K]L)&MU2J5S9V=S5KU;J<]
MKKMFI6>^VMY1HWW8[[07L_6EM:6,PC!OGO/+ 1B'C3;J=TZ7$RQGI2/>U[8K
MV9_@@NU.NSIH@<OZ;.2IVS%/(0K50EDI<JHM=\[HR'W@6,-?YK2^MQ),UK:)
M2D-L+*]W_" 145KUO# *>MB7"[?>^?:);G_;8Y5!.-[XMO_!'->.MT1E??>B
M<GG4K+0VSRKKVT?[]>91]?*$5R\]W5^OG%<N/:X<;S<^L6IS[[*#:_554CFN
M\/WZQT9E?17O?=T5>W4O:NN>55M;EY5ZA577-_%>4Y]_HOL7>U^]K*Y73ZKK
M&Q?[7_>/]^J;K/KA8[/:VKR ^[8JZYOG\%VL<KEZ6?NZ]RU\^,+#OSXV]VGS
MFSONX K=PI4Z/&]5CRK''N^U=NG>\>9%]</>6>5X@\%G+ROK%;'?U*2Z?L*J
M]5U>J>]=P&L'A+A@94Y1$$PAK@1#FM& \JBT\ZE\:_ +6>QY>QJOJCP2C+8*
MAKPQS\H;1.EO__Y]R&7#_V[MKF[7-[8_[67;&Y]KV_7L\^[VSNYJM9[5:XG@
MZL!B&6%9;3LCXK?P>U9[_Q9(K?ZOC=OT?DWMJVMUZ(&,&,;?0C>\[W2S_E',
M_C, Z1*[S8MLJ$0R$"@Q9%==,%6_I>CM$'W2>J $E[-!FN9(E_WT9WX<M&/&
M\&*6:'<J?]2O9<D;I+':]AO\T;]EOV?U[=7JSF9!RP]C[+? 4T#))6/?86R(
MLB ^3@1X1=EYM].Z/?*/][_]SAOTQ[5.J]7HI31$]K[1C%FUV!N7$<0(,_J9
M<&NT#K->U_]SH7W8NXX'#@[)TO'IX4)FF_V?O',WL)?T*JP7.-WU'=QVOCV@
MNEK?W5[]E'U831'Z]I?--:"##]NUW<^+V69U;6F&6.#A \/&N?7](E;,.GG6
MC8>-7F* ?F9[6>\T^I1;"UFCG37ZO<P?%6IN'"/#?;FA6S>Z]W/]M/W@ZHJ1
MYS=CWE^V@W[GB@JZQ9<7K[A.%P1<ZN&F/>W%Y:L'MUN5/C]\WFBG7.)RZK[0
MZ)TV[<5RHUW\H.)[1]Z@Y1+'3&!3I+KZ7?@7KIHT\I>E81KL73_\^"8C2ZSX
MW\\O^>7G9^?F[XJ^&?8/='RR\S\7V#7+G-H0&NW#@KGIZ?D?5\^'R"Q>>J"3
M_ B5[\ .7W%]^P(N!$Q\]<(0+N3'L>-^C_D;KOF5B]YUY@?^N#14P+LV=+X3
M[*/^OZ=G']]MA0_<_WL?UF^_:$UIYP?:60E$-2%:B'LL_>:<B;],)_^VT[=]
M&.FZ62>=T9H=#[J-7F@4)[# ^%?ZV)R;?W-I>VEG*1L58>R6GO9B7=UH^]&T
M:>%:X'#=0]MN7!;/?R\=;;ZMOSF:EO=#\U<[2_>9O/"U=X6Z?LE88OK"LR>'
MJ +K[.M2]M4VF]E.?VD1_A,S(?!;^.V51FC:=EC,ZO$<@E-E5%HA,3._^^$A
M^6H(W=CKI7C\M L\VCBUS2Q>U7R%EU/-SMZ;2,_^QAG]/:.2(@J?FZ%?_/!?
MN'V=<OGO?VA*U!^]K!^;\?2HTX[9L&;68@8H: X2]6>V&RT,32$^S?['@Q[P
M\L6$\Z8/[IU4-\TGQ>XN,G\4_4D&#3_)SHYB(=]3OOI6RNHW\GMV!-20-YHQ
M9(DCNQ$D2+\'?_\S:'3AQ7XG<W%T =QS)PZE/V%)H@SGJ<'MTGWA+0@.^@WX
M'1OG_BCM9LI6?3^]G:8$L@#O@CW2I:?=Z&-A'4*S%OS4HU[V&]POAW^]@3_*
M>D>=E#>[2JCWCVS_^[:?V;NM3$T<?GCT&WY?S(#]LM_H\#>Z&,%< W<,OR!=
M7UP*'TJM&-TG+?GH%8TH&FE[_<S@+-B+WCA2F;.:P%-D"0LJ&2T3>-.7P'NV
M>/\9E/$T# K?"^\?6O@S&MR+O1\GSEYDN<%7Z-'4J[VQM?W\N_6?;SK6*_%]
M_\Q;9V;AW;D'WE,0U\ZUSDOZ!Z1/J]'O@U@"L>S[W4Y1.[=Y48BDTTXOO=,9
MS5I>K=_/OD:7]1K]"((ZAPLO%K,(+;K(BD)\Z1QN"*_6;=\.)^6'6O'FBV[=
M^730[0U24^":[0%<R[%(RA#$_* YS'GLH'KV6X*R^H,RNC2ZH'_4**913],T
MZDMKR&'3K]M]K1$A>"P58*D 2P4X.R-DJ0!+!3C/^"X5X%@4X%S*/5!,-FO"
M+XN9]1[D7M)RH1 RW904N_?5K-UIHWO> #EELUX+I")\T3"UED27[[2@HRZ6
M;N-O)\:B*2'FC7:Q(K;(R:<T+05\W-^@XEWRQ^+593^_(,FRT44_;<_HXN+:
MA=B*R;J'&=CPK']T=<U"6IU7B%!"':)7^<O;2<N?J[T? 3,-"LV8)2$)Q_QI
M"HWPI72RJ]8O(:*(6%)2F9>Y.:5+3 E#7J;E>DD(C?&+:,O'WKS4EE,S]G[Z
M&9/-^"!<(FO2R%J]'U,S*/(>'L.4^'K-J.$>C?<RFTM+RGH;D-KYN12?(;HJ
ML36-V-JX/X";9<*Z5\83\1AX77VU@+:-:_7LH\ VC0MHAVSSVWHG:W?ZHQQ)
M(_]YXN+A*ZJOPNYVIQW_)@'ZBI<^,F%V?Y[K;[)E=XTO[TM8S? ,:IK0S'Z2
M(DH+"._-N#7R^^96BQE5D%,)>OU.-N@-\V#0-\/J';>VB%_O$>]TBR]K7J1O
MS\X:\.6)VMKPPSH)K]\:O4*@C0Z>3^$F]%H!X70J1[#=T,M.NYUOC?#=_.K-
M&KW?[.^_S&Z]#G\^V"2/V-@^*R![?-ZV=Q2;S>N1[C= 5Y%.'>XI_G76\FU/
M4N,E@R4?S=4^99*:&*&5?*%Y9(XIEG0:;EXF$J=&W^[!76=8RY9STB6<[V:7
M9@7-]V4G7VD*^K0S5(++W9@6OGV+MXO!_K)&[ ]WL*[7:0[Z\8\1F/'//_.H
MUM[^[U'WQI,.(W+=:$^0S>$.R[9Y9B]ZR?V.NI.J='M+![)7U8'F.;NT5C]_
M_K2YMOK7IXVL5OVTE\J)K=6V/]>V5^L;V>;.SN[&]LZ3M/#K]L$3M7"2K<-]
M6DG$]HJCDK+.H%^$-2F^@5>C]4=7$K?1ZPUB]W]ZF6_:7B\6:PI '[<ZZ3=V
M_,EB*KTSNA9<*O;Z$!>EQ:F^D*4!7GJ$,/ZU%T^'UC5F26$E\1,79'*YA W3
M_$7D*%G2Z<A-]1+W?FS#WUQM@I<JJ9,<KRQ!,/=)U-7!X0#8D]TMSSIEKC3J
MG1&O#K^PGQ4'$F17OWAV3; V'-AVA@/;?\&K)#NUW>R;;0YBZ8)O&QRCDO?O
M"W4#*$G'(!8%[X<B:N%N$7P?A3;*6&>$X\(ZK8PWF N.<TMIC,7YV!IK#)8*
MT3=:MMG[Y\)F]?U"RDZW;!_N<=Y?!JD6.OW1!;>KY&\4IW,, 5O@=7CJ9>U&
MR0$"H-?@<CR35?3?-]R'75FKP[7'>WSO*]SO<I/"/<D>W135^LE9Y>M^J_:A
M>E1;?W^TW[KZS!?X+M'>KW=$M55M5(^/CO;2?8_WH/U?X%XG!-I^#M?S/;K!
M*U_?M_93&^N;_<H.3G\QM.4@'7VHN(^(.H(1)\PC%RU%DF@;TA'G-!<+*X0M
M8BT7!997%?>OT/%]Q>HGQ+A_$]%>'7="S<(8[O;FXF,NGA@?3TT08DSBKZ<%
M(1JT/"'2O$C"72P1R11_D86[=$E3+B29XACDV8/Y- 8AGVVWGVUF*'N_65VM
MKFVN?LI@K*IM5U93'?89E4:3:LW?H/)Y2TQ>LL/*ECW#K"79/+@>7S^V,C+:
MW71SWET,PU?>7R_+*.JC%H6#2NXIN><MMVPFN>=7$['/GDAY_WZLTZY/.&[I
M3SO#K<^.NBF/\8\48BJ\L++;MH/0N.9@8&4(4](BN=O\G/UEFT#-,=LYBC&1
MLEUYD3GIEYI#O^^8J==.K14>,G?)[<\0GS\X2I@]MGJ!92,39X#YXB]RFXS^
M;DO =(WM9<M*/53RR13QB=$/U4.;;=]IQ3MQZKTL5.J+4E^4^F*66O\]']!2
M7[REEI7Z8NH\<G[XA!#R4(%QHRS2(MPUVSO*WC<[9Z7.*'5&J3/FDA=8*33>
M4LM*H3%U+CE'A$)%VCC8AR;T.]G#%,?]L^^EVBC51JDVYH\<>*DVWE++2K4Q
M=2XY/X3"-!^M[:.CM7U9Q;9AB$L:XG]ZV7JCYP>]7MI;DRJ(K[9M\Z+7*!(;
M-Z(CJ9)A,:=TS7;L#9K#W$?M- Y;5:J14HV4:F0NR8.4R8\WU;)2CDR=3\X/
MHW!!1W*$W3E(92N5<FSTB^V/A<B %YI7SY-&:79Z@U0UQ;K.H \2IGL2^]EV
MHW=2"H]2>)3"8QYI@IA2>+REEI7"8^I\<HX818J1\.!WA,<:?&T7P%:(CL_=
MCH\AZ8Q2592JHE05\\@!I:IX6RV;254QC04"AM5(-H?LC;):_5\;VV4]DI?"
MY32X3MFR-T(W91 SO:V_(V ,^:Y0R_"_G^*A;0ZCEYBL6X8O9?A2AB]SZ?T4
ME^'+6VI9J2>FSB?GAU$$OEH<1E;O"(HTL9J]M[[?Z99:HM02I9:82\\OM<3;
M:EFI):;.)^>(48@::0EY1TILG!\U7*/<KE;*B%)&S*?3T[+,WYMJ62DCILXG
MYXA1N%Q8V8%W;;]<AU6JAE(US*N/TU]N*QO;B5U/_-C505^<+CSD;J@7/8(^
M20>1+?<&K9;M7OQQWR<?<M;7_:=D_7"'!YSU-;T'>OV=79Z.]*=7K7_4@=:?
M5[?KV6;VW__0E) _[C^A:>QH%.I9:)R)CKUG><,OSY[YH9-2X?$7/,W^WL_-
MP>ETBBP)IC%YF2.R\9*6@INGGI&-EWYQ^!R&AF-C^!,_/M:&WQL;$?H8*76;
M6G_PTG_DQ?]F64A-Y%B1J:&^7S6YNEK?W88AY,/J3K:SL?UE<VUC)_NP7=O]
MO C#RMK2P\:3J3/;H_I@K59=WZCN;*QG\&BG]FES?;4.3_Y:_03CZT:V\Z^-
MC?K.K'5$\5W+C3XTQ#\=T;\UVEG_J#/HV7;H+6;QW,?3?G8:0;ZE8X@SVX*?
MT>_]_D9[9W!52>_W!R<,KD;3=@<"EU\GWIY[Z<-RH?*U./_O4XQE4R;?E+\!
MS:3[Y$7R0K\\Y7YV$VX?!^V8,;R8%=%%.H;^*3ME9L# ]S3Q?I/"36?8GNO1
MQY:#L9>1Q0S,J7X\=7Z\4R33UJ\OM,ML=6<'!-[3]Y(]SD-&<?C0#OVL*+B;
MI3:_P+ZR5_;=E^J91W;.ZWC"?3]DMOU@;=#M@GMGJ[U>[/>67\LA)@V[&?K^
MET#VVMK&QOOWCT:VG*61LS@O)57;\.E!_,^@\<TV4TKW?HR_?'?^S/13VG__
M]5,6>%2:\2&]]9"Y[ZG'VY^-\Q2*OT^S(:F$[:#=Z&^GN<A!+RQ Y[73#RY>
M:'"+%3=!2XPY]Y*XG'C+J<LM#X1B?+"9A#N6#"]D(?I&RS9[_UQ X/1YI]NR
M?;C%>7^Y/6B%3G_T_D+6MJV8O@P=6GNZG-"_V@[IS\8-]%?[:[;;O8#^_&*;
M@PAVA(Z+!9T4TQJ!?;EPZYUOG^CVMSU6&83CC6_['\QQ[7A+5-9W+RJ71\U*
M:_.LLKY]M%]O'E4O3WCUTM/]]<IYY=+CRO%VXQ.K-O<N.[A67R65XPK?KW]L
M5-97\=[77;%7]Z*V[EFUM759J5=8=7T3[S4UJZR9EF^];]>.-]C>I;^HTLKE
M?FOK8J^^W=H_/N3[Z_LM^"YX?4M4+P_%WM?*Y2>V?;37.F_6CO<N]^K5DUI]
M\ZQ6/V25RRUX?XM7OGYI5M:W+JJ7N^>5XTVZW]J@5Y^![QKLTUU9/:X>5>">
ME>/5U*[+ZGKS:'_]\'S_Z^X9M(U5ZQL7E>/]UEY]/Z\V\/FG^D:_LH//J^L;
M!XZ1/(2($8\,_L-D0%J3''E&+,M]'CAQ"RN2+G*#_WQW%QS?'T;]F''F>63S
M\NZTVFW8YI.=J&3EDI4GQ,J>!^9QL(P$SZT,)DIKA-0<!YP;[0M65H0R4K+R
M-+'RY6U6IM11X%^!G'44\9QP9 DQ2'!/&:6>Z%1K6II%BO5#6'F*XLJ94M_U
MK@TQL]X7<T59-_H(<'?-N)BU8S_5]+?-9N?,MGU,[I.%SL#U\T'SYB-PR7]Q
MS@H)_U\"+);!77JGT:?E3,V+%UI/>(]QYG-EYG3)U=61U;>O<5*-_5%NHN3#
MQ_#AQ5V5*F(P5/D<:9[GB%.BD*:@5S57GA FM-+YPHI99$J,4Z2^0#)D>D5J
M23VSK,E*ZAD?]=R58KD7AC.%HJ,,<8(=<LQP1"*A8+$<YRHNK.A%P?BDE-A;
MR(-NMK\!DCO=%U-,3XL<YYJV7D$Q79L5V*JDJ4?05&WMKD)26A"NA4,YT:"0
MP%[(ZA"1AV Q<(>IY'G:1K*(.2WS>!.62"773$(BE5SS=*ZY(XELL(%%YA&.
MVB(NG$3.B("XU!%;"503$]?(14HGIHG>0G;J<S>>VD;(&FW?:<6L;\_C3Z:%
MR]ANED72R,[U9-^2N!Y#7#MW19(6&&M&&&+!NA3+601CC$5".TQX)#R7>F&%
M+1*ERC12F4::-JIY!8U44LW3J>:.1M*.YX83CS1-,WC66&09PRAJ):7 @0DM
M$]5PSLJTT<M+I'A^&MN].#RXJM,_BMV7%4IEA#=&H70O16T,+;K:#K5DSN'*
MWS+A_7CFJM17"]8JV*N^=7Y@E/3&6(VD _[BVC+DA*%(*<^9#D*)@!=6E"SS
M2)/62"7+C%$CE2SSXBQS<8MEE*)YL-0A!S9"$'P%9!S$8L'E6GB'+4]%ES5Y
M4"0V11DD0F?)L^J=OFUF?K1]QA;PGJ84TJV-5>2)&ZNFL=NG*[]4LMK366WC
MKG9B4M@8-4/6<(>XC/ (,XF(D8+1W'GKS<**T8N:RS+%-%,III**7F,94TE%
MSZ&BVP++,TUS!E0DJ#6(6\>1"4HCJWR0+G#!0CK@%^M%2A_$12\ALKR/<9R;
MDU^T</$K%77ZU$F]&+NMK/']HJ>9J"7VD[7QG52!,_9\3"^D9?&4#%?%$VCJ
MO6OB7Z*"<1DS3WB=5Z?M2W9_ KMOWA6:.L?88.*0]]0CGLN(+#<Y/-51&2J\
M#+287Y!CG<HLTW0EY<R(E"PI9PR4<UM06JTC95(!:M*\0* *:6PY4M10JUTT
MF*5CTA8U-=.=LYN>HS!>25%N _9MLZ@><IKJ02_.E)Z\EI/>#UJ#INW' )QP
MV@6W+^KI%V*20 .--B-%R<6B%N0U966Y7.4U967[L+<\!/7&%:;+1;V/I??*
M7449/2.8DASI7!'$B9;("1X1$Q)KG%L37%Q8(=(L*CS6J=\R=UGRS91KRI)O
MQL,WM^6DL"'F7E!$*36(I[E?+>&I\LP9':-UQB:^48O83$Q0OD"\.P^"\G.W
M<PIO711RZUI6SI2J7'R8K"2+1,F1JB2+5/$R5SFOHO)FZ<\0W)^;MMU?;8=K
MRB^6 )6\_UC>W[JK,X4">@]$($^<0UQ[@RS6"C&F**A.E><\ .^31:S&.D5>
MIBY+!IIRF5DRT(LQT&WER6AN1:XTHCZ5]& 68EXJ/#*.1DR<H4Z(A16U"&IT
MCA*9TUBW^T.G$\X:S689)<^3@+JR:LE2CV*IW>_R<=099X-$UFB<EA)JY*CQ
M2 *&A/=4,).G]3N+F#TH/"[3<64Z;LYT4DDT3R6:VW*(,^.<P PY;2WB,3ID
MJ<=(ZCSFPF"7._L8HBGS<*^6A]ML]VW[L.&:L3?[R3?;ZL#5E[>2;XO2B%'N
M;5$R6J;>YETYWN!YN! <0MV-<]\<I+XLR?Y)9+]W5U4JB:77G"(605IR+D!?
M$F.1%I$JPPC67@/9+W+YH-)-9?*M3+[-F:@L.>@E..C.SA2E;)3>HV@,1]Q8
M@9+&1!$&E1R[B'5PB8/$6/:EO.*QQ>,[X?@I?/&WA\7.W[E_13[\-;8M_VW?
MOGEF?@5U>*L$0[FF^XE4?'A7#LKH'%&>($=Y #D(?*QUSI''4M,TOG)7R$%"
M'G3.S /EX).8JA2')2%-HA),R3IC89W; E JA[DW 6D2#.),.V2YBH@:;VS0
M <M@%U;,Y-*-3]V6/(.U7WXEGEZ^"Y]46V%*^_/%#C7\L2N?7:=BZL$Y7<IS
M2/\EZ3^*]$^^EYIY9#%WR'@0F%S (TL<A?_XG)'<>.[3]D$C%F%0'F?N\5%,
M-.ORLJ3LDK*GG[)?K9)02=F/I>P[.[ZQ(#Y:@[RA%O&<$J09RQ'!N>)81"*4
M392M%QEYT.G@D\AZ>@C78G>^\IZ?-E?_VORT6=_<V,E6J^O93KVV]K__JGU:
MW]C>^9]L8VMWL[XWF?3,+2IC0&7I0-QF?&29M.E*)<U<STU30#Q+3C6J.I=]
M:EC7:#;ZC=A;GB[967Y_.=TWYNF^F3K-X>J0V^S47J0C;L>>M1KK:#*EG?A2
M,<]89B2F'H(3./#B"O6?AZ OBZ,^(;(YOBEV4KW<.SO0N<E)Q Q9F<KG&<*1
M<=HAI0C31D6.TQ&&&I.9FO4L&;!DP&EBP%<\][XDQ^>1X\4U.5X>4&4$-[E'
MQ'N!./,:Z8 IDEA1AH-A(55FX8OD84< 35$\.FMJMSN((6O>Q*,O>S3'XY+6
M;V(1R6O,+0[-?"OK4)+84TALZZ[""\I9XFR.F-:@\(@$A<>)2-7MG/%8Y39M
MGZ6+A#\H<SWIK$?IYK,O5$HW'X^;W]8JCFC&8Z#("NH0CSQ'5@>&:"":"I+C
M('AQI#,N]Q*4R<5?T<5ZS",X9,@:;=]I_22W6*[>G7KA=9=VU^"FZ>N^-OI'
M:X,>_.[8O>+@BY*!G\+ >[>$EK\XP%3EQE&&E%4&<6\=<M%;!.++" W_QWR$
M:%&/\QR*B<[ZE@X_71*L=/B7=_AKR>4).+Q4QF*!L/ 2<1-S9$0>TR'WQG&A
MF!5ISY 6,Y8<FL75^U<GMTYICJ@\,_$5$DAE2/E,?O-W!8W,-5::Y<C1 *R&
M14"6I>"2>FMSYQV\7QRM1<>Y)W+^,D>E\[]"6JET_N<[_UUQ8QUF)"+M"8-H
M!N(:)ZU$'IM<4L)$Y#'5AN6"3>N"Y_E;F?FIT2Z.#/7=&!K]Q0PZ'5TIG]-4
M-*S3+M,U,RISOJ.S3ONP'KNM9/%:OE;8NR2T1Q':X7?I&1&9X9(B:B2H&>%R
MI$7ND4QG0-MH!<O)P@HG97JF=/!72,^4#CX.![^M6)BB$ALMD.01@X-KT"YI
M&BR7TN=<:Y/;_,$./DWIF%E2*-]-'F5]>WZ=D[F8CES,FZ"I5TBW7)EZL[!T
MW9[?"L'*HSD>2V8G=]6*H01'J@E2-I>(!T&1C8XB#>943BANA5U88721L0?%
M7V\V^?(FO/T5\BNEMX_9V^](ESSF/%"):% <\=QA9!73R!"E.(^$.Q8+;R=R
M'-F6<O7._ JP82709B?U%(07KS8A5D:.4R#)"N/?)N:R3M^3^/ERXY8:.\0'
MP0=,/8](41<0=XHAZYQ$.M>:^.@$R7U1'72L)Q"5V:.YXX"QUN(L'7TLCGXM
MQ [9 ?86H@MN4!ZD1=PKFLYD!0!(X["* DOL%E:,>-"$]S3ED&9P24^YE&=*
M2>QUE_*4A/8H0MN\JUP ?@;^>12"2OO[C4+&1XF$EIY3BS$Q 2)+M<C&.O$U
M?WFDTNU?=Q%/Z?:/=?O;.B8JS+60!!EC&>)<860LM2@XF<N<6*IDF@O#B\8\
MJ++'[.5FYN%4P[5.J]7HI_/.>\7I?\D=X8?&M@<'R7ZK=OHQT[\_^/R_EZK2
M-Q5\.);BP2^C@<Y[C>5VH_G/A7YW$'_<IG%MX]5V6+MMX9+X_I[XUN%WU9M_
M;>V^_VL'_L'?]:WAW[71W^W1W_1/%']W=B^W5P]R[+QF1"!J U DT1QIPQ32
M)"I),3<LZH2,[\AQ=C(XT^;N+Z,T2N=Z8>?Z<I]S;8S^LCO.A6^<*UHB*&>(
M,JH02!&"- 4W"\[!6P'#L)?_U+FF*6\R2U,_._V./SGJ-,%1>__]#TV)^B/;
M^,^@T;\HR[=.W_=/BZ2>^?3[Y^[5FK-><H#%3"S"Y[/>D>W"[>V@?]3I0GM"
M6BY_]6JCUTL5I3K=K#/H]_H@KN&GEO.C<Y!6O(S=3K"]H^^EP#5*"I;\8IM)
M+90IAD>D&'9O919/S@ZP-L)J29"(1B(.HSVR#!Y%YBW64NO(Y,)*,0[1/\I9
MT=+S7SJS6'K^"WK^=7+QY/+ LR""(3D2%()F[JA#+@B+G!4\EXKDW)E'>?[D
M!/_,>UF*<#OM*^7#\,^DSZGM9M\2]+/_@D^2/[*,T$4C=9%7A(=:X^^T47KC
MECA:S."]TP@V_!:;Y4K^69!%/^9".NV2 Y_(@7MWU4^().KH";)64<2QC<AX
M')%0Q DPCV8TK0AC94W--^_ XROH5#KP\QSXMHBA-J<Q:()R(HHE]QXY["U2
M(L(K3A/G C@PG=31RV^P\.0JM#/UL&V"7&D$U&AGWIXV^K999F9F5((\O"KP
MM>T_@^DWVVM#P]_BO)+N'D5W_JY>D5Y2ZJ1"4:4*=<I[9/,@$278<AVU4=P"
MW6&Q:,9:S:G,ULP=&[Q&C?"2#<;.!K?%#P^YU@)S%*+2B ?JD;88(Z85)9Y1
M4BP/2VS Z*Q5KYPIR;,=^[;1CB&+MMN&%D_52O<WP6:OH&VNC+PQLO&J]X/6
MH&G[,:S'O.'+PB^/9+/#N]K&2!ZYU1Q9SA3B6!FDC;&(,&>B$# \>0QL)E*Q
MA'*1^YOW^%?0+Z7'C]_C;^L7YKTT.$9D) /]H@Q&3GN=]K?HG'&JB);)X\FB
MEI/2+V-:WSZ#&_=ZM]:A_4\6BQ5HTYO!^>G*UK?!AJ^@?VZO2QRN1RS9[Q'L
M5UV_J4906U_E!U2)H")S2!(+G$>Y0U8YC8+UN=(1"Y&G$]V$7F3F0>PWR?7C
M,YCE>>.,\0KZJ62,YS/&Q15C;)P?1*4,4QPC8:,#O:0B<E1)I.%IP(Q&DM;J
M49&V 4]JPNN-EC8HUMD\7#&]VI*HGY/<Z)W15S%X,W0&KAE_OAUH2FWQ4L>?
MCVMG^<-[>NIA/UV"]-8V\]5V* >;9PXVF[?DZ08^X#)(#[H L5PJQ',,8;J"
M6)V2D&-FF.>"PF!CQ"*(A(FEX\8E2$M"+@EYO@GY=>M^E(0\%D*^4?_L0&"&
M-3,"D9RKM%X?(Y,+CEC03E$1M3<J$;(&]?^@]:J%^G_7MX#\J[(3/RNW0?'_
MO>UV/@*PNE=.L?*GZ[Y;N5N_XG$W0KWH$;R:&KO<&[1:MGOQVN4]?FCFS\IY
M[,286>\[+6C<!;!$UN[TX<;]3M8_BKT(/F@'H=&/1:&/$-N]X:."?]+4098W
MVK;M&T6*%5XH]K4O/:?['F:'TTZO6(VQW(U-F];__W'6"/VC8>V2T1=P 3UQ
MZ^6%^^]@'?R:03_^,:)0_///S("QB?BYL<EW95EN_?>H>S.8'4(DWHWV!-D<
M?N*R;9[9BUZ2%T?=.[WQRV[^N15O;%G0Y@$^,$51B[%CY4% NO>F!8U<70$F
M/6RTAT+%#OJ=/T8O#,?3XI71& P6;-K37ER^>O"#C"J>-Y(C]9>3Z:Z*3C?:
MQ:\MOG?4E\8L"4DXYD6/CO(:HR:->GMIV-O?R;[AFYPM4:HDEC^_Y)>?_^6;
M9DEQQ=E3/XZ7R*_>%(Q3PI_X\0FVFVG%%'V)=A.Z!-J&:CWO#;\WAT?Y8Y3V
M;5;Z477GQ?_&NCSB5U6]?DI94U_GJ[I:W]U>_91]6-W)=C:VOVRN;>QD'[9K
MNY\7L\WJV@.'^-GN@[5:=7VCNK.QGL&CG=JGS?75.CR!GU^K;&0[=7A6V:C6
M=V:M+XKO6DZK5QO^A\#NP;WS6Z,-(K$SZ-EVZ"UF\=Q'"#ZO%@UFI[$[W+WY
M^QOMGFOI_/!J>--Y",;$+_V;F9TK:[P:X__0?C-%;7EI"TW3+RS;,DUMF2$W
M?;B.?'!S1P/6O"UBK1]U8\Q:<..C7A8A<@T/G@V95_XI8?2$.H"-\\F J"2E
M.433QT$[IL(R6<E")6Z>@)O)\\ZD%>*++%#])6INS6#3>5FAFE;]/&E9R*.,
M_=R>&_?^K4?2Q9P:7KV\X6?;O#-OX4FZ]NQ[]\R;7[WXZO(7((-G]>4+U8#?
MCM]B>Q"?4_!]6L;+21/Z5---V3EEYSPS1_SR2Y9G=TC:AF'8-K-&VW=:<6)[
M<,IUVT^J7C'UZ'K$XFM#&8M>,ZJCY0Y;8X0403$1F.:!QX/U8C<,QP2-H4Y-
MH1VFYNA%4;M>;;W=VO]0$=7Z+MD__G)4K6^=P3V/*I?-H_T/NVS_PR;=.]XX
MJZU_;-VLMEXEU=;F>?7#WD7ULGI2.=[B^Q\^'M76X?&'[>/:UPJNK&^)6KW9
M^'ZU-?RF=#^\?[S)*G3KHKI^=++7VN#P^"RU8^]RZZRZ?B)J7S_FU<9PI75E
M!Q/XW('PGEE+-3(F=XAS0I$..481"YP+8JR*9&&%D$5.I[T6S5A=9RSG\Y4,
M7#+P:S-PM+G1.B=>YICK2(QDN;?2$4\,<#(I&%A=,; J&7@"#'QYS<#UDP//
MB?:,  /G:;,[S2/2/%(4%56YX]H&*48,/"O5V4N^*_GNU?C.,\-P\%;3P#6S
MSJNH!6.RV.5GW4AQDE)Q3H[OR(CO+FOU$WJ@\A!T\ JQ&"+B3DMD0P[\YQ4V
M$JPG(Q >I8O:C+.T<TEX)>%-;7\]@O!";B*),C#.)01E:7.SHE1!(&= ^#DY
M$GBD%'B3(SQV17C5RPH_(#KB/+<$>18(XC*'&%O'@(P01 :N+(^I !I;9/Q!
M!2;>PGS32ZTU!!3W7JI<]8]]^.:+UTKNHO&4.>$8!RK2H-' $TBD@ADO9)D/
MG#1977R?#]2><$:1M:E8H\<6&4,P\CS$&(22 <N%%;G(-!NG-IMV^AEK.K#D
MFQ?C&\Z#H%@;%H3G!GB'BYP2;0"8.IB@RNS7Y/GF3O9+.,.YM0I"0"H1!TLA
M2XQ%*>M%?>141[VPPA<Y'NOTPTRNM7OSWNVE9$2$P(TQW(>D%YR&<# 2T!36
MT#+7,WGOOIOK 2:.EK"(9)Y.[H%G""QGD:?8^E2#*PB\L&) 3I#2O=^Z>^>4
M4N<\54P[SABWBCEO@M40*$L>2)G9F+Q[W\UL.":$5R8BFHXFY<Q&9(71B$JL
M&,\5((45<U>8\^FNTSSS?K83N]\:/A;UF5NV 6Z5BJ_%T9JP\IRN5^8R'0+A
M5DK*(W 9-I8([YT65@BKF14/2'R4A/5LPJKMW,YN'!XH2QE6)@<1(BCB0>7(
M&JR18BHJ'JDE*BZL,/,@LBJ7.KU@;J.DE!\HA3@2J9=>>$=X"+FFE-C( ^/*
M4,[E W(;):6,@U)N$AC'FP?4,QZ!XY&+4B N D$6HM)TV(TDT4<K8TB4,M;X
MICS);Q8=V'-&I:4D$"FX9=@:97 >8L">&*S" ](7I0,_WX'7OLM1""R#R15!
MV&*.N'4@#W2,R&'M3&2@VHQ?6)%\K!,>I0?/H@<+26E4EBLO)%<0Z>;<JEQX
MR0W)?2X>D*$H/7@<'GPW#8$QI]3KB$2P#G$(MI#S&APZVDA=M,0QOK"BV,1R
M$,_(1\[@<5'=(:A?-N?PN/SI3\_(F.VMZ(^9&=721@-$!?3%78Q:!4ESFK.@
M(9I@#TE(E,G5EV2U2GWUYISP^BH_R(,7 J(+Y&"P05RER"+X' D=,';&<N;S
MA16B%RD>:[YB[B9/2N<'CXZ!!)J' $.EQRZDM?'@^Q%'SC4MET5,@_-?'1E>
MW[PX\"X/A$N)@N48G!]H0"OID:""2AJ$ 8T)SB\7*1GK(OG2^>?.^0/50EDI
M<JHM=PYB6^X#QQK^,J=UN6IBTLY?V_DN(^&IPI3%'&EL).*.! 2,;9!5 GLE
MK>(>G)_114/'>B)AZ?QSY_PV$HQUGDNK!9="6Z>4BU03:YVVV)=K*B;O_'>3
M&3IG.3><(:QL#LX?-;+$,^2-]Y9PDWN7YBC%(GG8?N"WL*;BA:J3U4YCU_:A
MJ=!QO?[P[.MX?IJ.NNL]IV39> Y2?3B'37%FNNR<J>Z<F5IH4)IK2LTU92GU
M69)Z:S#P9)T\ZQ85WH9G:34'O<:WF%X-\;0+6LP6*K X9#5DO7AJ8=2*S8O,
MQ6;G;)K2\+-KARG-M*\WP/[]!))>+?\4;2^&U79(Y0!C^-SM@'[I7]2ZZ53J
MTW3\;JG,'Y63V[R5D-\D!YZ )"<R1]3$I,P#0292B4+ 0ME@&/%T806$N1%E
M5/[66> U4^XE"[PP"UQGYBOX@/(H8W02Y8&E'=):(,>#1IB17'H9'(TN[5@$
MW)0L\-99X#5S[R4+O"0+@/=?;2:X/!'5PP-G8Y16A[32-R!.4@U5%1QB:6HN
M"FX-YFEKHS:FY(&WS@.OF88O>>"%>>"J9,JEOZRM'C"([V+N#?" *#8 *&0E
M]HA(IK6SE.56+:SH14,?M(#X+:3K7SA7TDM%GJ8N4U(NIYYHIJ36/XK=A)!:
M?CVM,YJP+!GP40Q8N9T5X0="<&8X"<AX:1&G7"$G@D7$>.\DQ9I;DN(A0Z=]
M5V7I\7.5%2D]?HP>?Y,!.3\(1OD8I$<N8(DX1+*IE"5&A#+N##?,$;>PPA85
M'VL&I/3X6?3XU\R E!X_OISG=]D.&;&4+&H$)J00Y?B(TN9(Y!3+4[5U ^9=
M6%&+A)0^_^9]_C6S':7/C]'G;S(;I+IZ@"DPMZ(">4'3!B3A4K64B'#.E:4T
M1$YMRG 2^: M".4JD.=G-NXO\E0N[IBEE,5/^6M4PJM</_TXWMJ]E8^HB /,
M=<X4S9'!J2"+9#G2P1)$K& 1*R6)3N<IX;+@Y)MWYC%D(TIG'KLS7Z<:MBX.
M:,@]<R$BI7((.PCSR(CH4]*!Y3(//HJT![K< %TZ\Q@2#:4SCSMO^%T6@?F@
M(#842.86G)AZAHSW ()DJ$B-X7FQJUF6[OS6W7D,.832G<?NSC<) EK9.G#1
M6TX41X1PF8XN-4@S0<"=-76<>6Q%<N>''>/W-^F!T.B=-NU%NDO\&Q<L+[WW
MTG)ER3.*:S>;T-#%[#"V8]<VBP2,#:U&N]'KIYSCMWBU,;1</C)+N9@'IYE'
M"/@PM/]J.ZS>L?[&T/CE@/*H <7?RMQLL0.OHG,LC\@%8U,9/X5T] 19QKBG
MQA-LU,(*761XK"MJRSFF673^UUQ)4CK_RSC_=:9G]^P@)UYASSFR.,9TE(A#
M("$U/,TAK*?1"\4+YS</JGI1.O\\._]K+BHIG?]%TKS?988,#40'EB,+M(XX
MSG/DC-5(RG2ZM7&62Y56D3)6NO^;=__77%]2NO_+N/_=3!((-14,(<@0X !.
M- /5#V(@=RYP[S754J>M]9P]*#5<+C5YLANNW]XH4Z0Y6AUHV67Q0EE+9(Y3
M'+<M#X^;,3U(A'<+ "7//8KG#N\F."">(5'[M"K% \M9%9'&WB,O@@T$.TV(
M*EB.EUN&W[SKOVH!D=+U7\#U;Z<WO)$4XQPCR0A&W$F--#'@_P3T#40^&C1/
M<GUXMW3]M^[ZKUHUI'3]<;O^W@_)#8.QTM$@A=,QR5H2I)U0*%+JL/;_/WMO
MVM3&LJP+_Y4.[CGW]8J@V#5WE]<)(K"-?5AW 5X&VQM_<=0(C87$5DO&^->_
M6=VM$8$9))!,G[,7!@W=U5693SXY5!9FC,A8Q;:>W<Z]:;3_=];^1^T5TFC_
M K1_JDJ&,:LS4'SPTSSB GYD(DM12"4'6,#*XK*&=5VR)]M'\X XZ H>4-:Y
MH:_W,C4!6;:.P+]W_*/LF 385X=TF^K N^'>M\E8AR# <(P2R&"E$$\]H)XU
M&"EM4RTRL&D> ^JEZRJ=ZP%&OUU&IP&!QXR$-"#P4! 8CWHXH6&A' ''QVC$
M U;(2"81L581)XQ7:00!L9[-=P?/LI>E+OHDA :6?K,H30-+#ZPUFXK(!)M9
M0E**4JX< FHI4*8D18X;S0D6WL?FK8RN,S[7B$P#3 TP_58!I :8'@I,D\$B
MS0BGV'+$/<:(J[BE*B5 FP@'%QC[N'T2@(FO,_ED[627K1)FX:>_Y6W;.6O.
MLU\JD)M_(Y;!<N^4J_UWIVC [$Y@=KHU%0'2F<JXPLBGF(+SQU.D#$L1,U91
MAZT7FJUM4MJDO!I-?]PN+8VF/US3Q\,\E 1,G27(.:L0MSA#&;R"TB"=#-PP
M 4NRR4G3I:71],=MX=)H^H/+V*8;P7*E=9IE2 B?(<Y%/)L^PXC:3#A*'5/2
MKFV*M+'JC:X_;G^71M<?KNN3P0A/C</:&(1-//"2P&_ W5.48N>###Y55*YM
MIB)=P;*5E8I$Q-9%=10B>5%7JOSQ:"?0/QA0F_L_@_NO5!ZB69&G6Y'G$))>
M$+_: 0+5]45O4*VX3"'IU9W5%T\9=AXL:;.1_#Z!J/$3VC_^_(H%L<;P%&6&
MI-$Y#4!8"2P%R;R0%A;#J[7-JXFS/QJO]/FH\-SCR8T*/U"%1[%D^M6"JZFM
M4 AS[1'/LC3V%(T'#<&R6253:<W:)FU4^#FK\-P#Q8T*/RP=-!4D%CP(0XE"
MFLJ >,HETD"6D)<V(UIF1ANZMGDU1-PH\3-2XKE'@!LE?J 23T9_F;*6.6>1
M,U8CC@4HL;<IHK!F% N&E1-KFU=SNG^L8MC7Y=\'0VKE;8].*C4!"?WO:5V[
MI3),:M!-NO8+-;TRGMG/.1DF7D_:OC=<"'BZIR[+75U,>_+3P?8Z[<YD<JM!
MN/L@W.YDL(!3IK@7P$JPB^VF4QWW*FJ$/<-,"HQES&0WNQ,;M5[,.6&-6L]-
MK<<#" Z61TLE$ L:U)IXC506,B0=#VEPEBCM9\4 &ZU^9EJ]F /#&JV>CU9O
M3\<4J!(V:*.09HH@KD&OC?8<940*[ZU/C>-KF\WIX\]>KQ=S<EBCUW/3Z\DP
M@S1",ZT=<D1EB..4(T.803Y3*1;4.(KMK%CAZFYV&XLU7&VEM++1A[JUTLQ2
MM4>(1C3UMT\<JF@ <CX ^<]DE"(--CB!+7)9S(=R)Y R-D4L]D\)J<EP%J,4
M<^4]OUU"I5'WN8<P&G6?F[J/1R]$&C0 LH\=TQBP(>^1 ;<4U)WX()T5QH.Z
MDT;;GY^V/W*!1 $/"[\U>K^HLJ>I^(9GU+ T+?O""@2+%D_  B @ :<JE2FL
M6YBE^4W-Q.^L]$\9]VA4?6ZJ/AGR$-:*E'*"M(B=?BSU2#.<(D*8TX)R%KB?
M5>/8[*J;[V:*,DAA?.AT?7+>[7S/BZAB\.<@@-'3/YJ.T,N%<@O8@#'8+ORV
MVSE[#??*VWV8M7H_<:==O"HEI/K<892([1^]KH:5R-NZ>[G3\V<%0&4<9;=3
M'A8X*$1K</)../EQJCX#K)8#*$1:6H,X-2D"D^:0MBPE-//6,+*VR?!<G:'?
M+N73(,8"]GLTB+$TB#$>//&,.\DR(%)& V($2U&FM41<DZ "L"Z.9>Q#U"2)
M&\1XY.TE#6(L!V+L7NEG)#5)4W"^C!. %%)@9 A5@!G4"YT9YRF)_8P:S&@P
MXY%WLS28L328,1F_(:DQ@DH7C_ %G@&\ JE,*A2$82HC3J5!Q9SLK4[Q79&B
ME654S_=/%+-Y+KOYGCXL [!6QYQ?^;8/>0-==X.NH\F0BE<IE]@+Q(GCB&/M
MD78X%I-(X+=>>V;C*<1-G]9GK\\+"IHT^OQ@?1X/>&";,2XP1<$3#<X+82B#
M!4.8$FHRH"G:\+5-WAPI_NSU>4$AC4:?'UK]-16.R(SQT@B,"!:Q&IXZI((U
M2*4BI#JE6!,5#PN>Z_ZU1J574:47%'%H5/K!*CT9+>!$6.M"0%YE#'&E4Y2E
M&".)J>+4P*O&@$JSIMYCL?4>>[YWXTE.CS:%=PN6+BE0_=>UEH8N7>#Y=T+]
M^>_;\;VF8_X]L=Y.AE<LR:PR02*C T&<2XX4#1H9Z[41QCGFXHE7_%;]\I<@
ME]0@8H.(RX^(\]_:U"#B0Q!Q/$ E!;84,PM.+*.Q&4N&E*4<2<6XU4Z[@&,-
MW\IDUQM$;!!Q^1%Q[L&^!A$?4J,X%>)C2AF>$H)2[0WBGG&D3:!(.),)33WA
MTJUM\O16\8 &$QM,;##Q27;'-9CX$$R<C)$&0#T,'C+"6/@8([7(,)LB(D6:
MJ<"-8+$)$'VRD^8>D"*AJQ0DW=;=-@RT2,Y]-RE.=->_7'Q*:0R,&("1Z_1-
MR]^Q?'2)$U[-["SY["SI06G->JW6>BU7;H[R5<I[O])%;I\L(]<X#_=J([KT
M4G63?_#>=P\BOYEO?HU.NPD#0C6X72GH0W<!-^["+=R%;^-I-O$5W#=*)4Y1
MH"P@3G% 1BJ+4F,IXPR6S_BU31"!)H+2X%R#<[-Q[H%9LP;G%H-SP^39T>57
M1VQPRFFD/7>(2R61@I>05%IB9HU*@RYQ;E4.,VAPKL&YQ\:Y!^;"&IQ;2)'
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M5ADIG4MC\28@ 6%S/1:L08(518(EB'LT2# 7)-B>CGPH33,6L$?**@%>#J<
M ]@A0AAU0J2$>5.Q K(J#=@;+/C-(Q\-%LP+"Z9B'UXS2K$$Y=<8<8YCH;-@
MR#+IN'+,IP:76(#5K?*B9>SC7SUM6A[^=?GWS?^!'P/Q;^5MCTXJR284__>X
MHED?CZ$?*,SF_YCNOT:%)+^\T#V_=O7^J/ 6P:OQ&5\6_;,SW;V<UN);JMFD
M;MZDQ5, <&68LV%C;?/ ^T1;VSF#P5V"-B3M3@\NW.LDO1-?>%!KW7=YK"@$
M?7;Q\+[RM[*MMXXOA[RMVS;7+7@T>.$,YJ#8F-NLEPKY%7\EA*S-;Q'/.T4>
MQ>]EU[=T+__N_[S(7>\$I@XN45^."YC&L9?79E]!&Y@*P)4_:Z. K__."D@*
M$==+"IV<SO&?)]V1R3SVR'2]_H9T@$=\J5L7^K*(:W?2G9B-&Z?Y^E4<KB48
M[0@1@\O!U!WG[<J.ZGZO\V?]0F5'RU?J!K$P4RU]7OB7@U^NT(GR[SQ*>^]E
MG"*7%^<M??DR;Y>35=ZW'K-2&T(2CGDY\CIB6P^I?JJ-ZJFFME%4;Z9T \QB
M1LCU'[GQ^S>_B3<DS7B6W?/[>..&8>$-P3@E_)Y?G^O 9T;+R9TV80RDD<%R
MWU+CYDE"KX,T?).!>RR$F"Y;OS+"ZQ!C;^OPXX>MOY-W6P?)P?:'3SNOMP^2
M=Q_V/[Y?3W;V7M_22JSV'+S>WWNSO7>P_2:!WP[V_]YYLW4(?QP<PC^[VWN'
M!\G^V^3UUL'_)F__WO]\L&I34M[K9=Z#@=@K7L>M)^E%W@:ZT>D7P,B+/Y[I
M' R9UM0$W."@#@P3,&K_"U_VH1_]149R\(3B:?#SRM.H>X#_/0=?2][OYM\?
MY#^2,[CL29%XH$+NUE&;1M(:2;N3I/W5;_N$X?7DZ85K&03J8?''>PH1W&+\
M  WZZU/05D:\8F[A/L'FARS]'*:RD8O%RT6ZZ**K>\E0G/-'F-8%[4 >^3+)
MVP_[N\G^^^T/6X<[>^^2K=>'.Y]V#G>V#U[>/P6TO%JY7+9C*2?NZ<H:K^B4
M7"6=VO.])"^/A&P.,FK:03>'/R\R#?MC]Q#NT_[KY,O/SN71SU?Y_N>WW_8/
M7>OH= ?#9\31Z18[^OPA__)N]V+O=.?GT=DVWLL57/.OXLMAY\?>V:?6EU-[
M<71J^=Z[;;S_[L,)W.?'_IL/I[L_C\7NSV^7^V]VZ.[@.__^Z\2<N=;^Z3;]
M\OG3V1[<<^_G,3XZC"G<;7@F^._=[L_]-]]^[A_N\-W3H\M___PX5J9Y?/%5
M69HRQS6B)F2(DXRBC&0*,>L,UXX;F]GFZ.<&UQI<>ZX'.*\.K@V+3BW[*H-)
M-78"I3;E@&N2(A5Q+3A+%2=""\R?\OCF.3EX*]5C:LN=]HM>6>@1ZT2Z'K3)
MYBV?M(<T-;X>_[*Z.$G.NYWON?,N,9=)Y]QW=0\>LUJ>N%;?\U[NBR=R"9?+
MSUK9T2R18T>R50I"O?'GH#^Y+FV4;KM$GW5@9#_+%VZM$DVAZM)X.+>N4AU?
M>?B]Y>,O6VVW-28 #7>X$W>PXS[1SZ\FD*"D3)&4@B*NC4':V%B8ZIR7SK!,
MQ^WY>#UC<D7<HD;WE]D+:'3_275_Z#<<TZ\FDQ)K'.,A1B&>I0IEAG/DL,7&
M^#157I:Z+]E3;<B?D^NP8G0G^&X77(&!FZ!_^&)!!.>7\_OL(6_N =W!\E;1
MCT/]8_O'>=PR\,JW?<A[#:3="=*.)^E,8$1D<=LT5Q@@3>DT]M=F**2$2.U2
MRGF$M'2>FV]_O_*7WU/I7SPNT2G@8>&W.S&>!AGFB@SC9,<*E8H@#;(N1&1(
M,5+<862,!DP7FJ2:KFW2=8G5%6SX8]$TYWG$<0YZ'?L-&5UMCSN+LEVR^"9X
MLTILYM9P-CBVV+O78XO=H-B=4.S;)+^QJ?3 :BSB3#/$!3AO*F4*"4-(X)XQ
M(R._6<=I$ZUY]LK^F-&:1MGGH^SCE$7(2$QX/#&(:L0Y<4@'QY"P*>=6!L](
M25DXN96R-^&9.1T6X4!)3"_1K5;G0K?ME7K#QDU[+#=M#G1FZ*9-XMG[F(\O
MX/9O.]TWG;[IA7YKRUH8?Z^I5KD;JFU?E(U02AKSD>]>?$TSY8+S63S&&W M
M.(,RJX#3I$XHH:VA,L2X\]4ZO#^:^,SOJ_A/68W6J/M<U7UWJ.ZQ#YK*E Q6
M(\I8/.35EF?"."08#]1B[U3L@R9O%9+]!8=YQ+W>\]M/V02,KD.$=SIO)X $
M!:A?T@F)+@K?6U0J[-EXD(],L":!-BYIK/C=;[\!5:D;1.V'K7)E&Z2]&])>
MCHC5T<7>UM=,!^!1/D4XC=&AV&Q26T$0"]+QU&;&>+*VR7\5X&ZB0K^U3L^=
M/#4Z/5^=WAWJ]/X_7S- V10+CN _@3C6&AFL M+,!D4),<:I6^AT0YP>9;/Y
M>/?#*[SK2INC)^S/=:>V2U&YDQ?'H.9_1#I6-\),.A=M[Y)6'GR2MXM^=R(6
M]JNV3(UCO*3YO6L"8G_#,N\,5OEUIWO>Z>J>W^^^TNUO^U$07I_H]C%\Y)-N
M]7V#^G=#?3S&Y'X ZA,?C#*Q=SCAX#.G1B#%XHD"7 ?/M#+> NJ+>?8-;\)D
MJX$&3TKU&A18, H,N=_E[O%7)2V .*;@RF6  HZE2!-ND27:IY0&FK)XFLC5
M?9T-]YMKT&RE=IY6&E@D,70VV$A:1\[*S7.M7)N\5>TG70&W__G<?WF]G94*
M&A]VM:O:]<?D3=QY[?/OL1MYLX?B]PDC[[1MU^O"O_'5OSOM0;;NPW"]&_9Q
M-_;!QGP0#CX(2Y6U0@KD2O;AB499L!QA+ZBDSMK S=IFRN843F[\C]70^V7?
M1=% PT*@8>B8"'!,LK@U7"B'B, <'!,9D&&2H*!2@H71WKIXG-$ZX4_5<^9Y
M),AWVM]]N]?I7C8Y\94,L3X U 9+G_LFQ79'-.-31$=FL'B.6D0)T!MNB45:
M$H6H5E*J3%"/5;DU++W5V6Q/[4<VZO\,.$VC_@]1_PDRPQB3/LTXHBJ3B*=2
M(H!UAJQ2*DAB-<MB.?(ZRVY_-&,3QGFH2K[O^G.=N\17>Z"KV.5Y_6+3&6,)
MD'!QN>:K<%=+PV"'?+TQ?JOM]GLGOMM4&MT'!\48#2) @U(3'$^51D+C%''E
M,J0#Y4@:00U)G5)$KFTR2IJD\[.#A4=..C^ &#5(L1"D&#(F$NN,#<ZH-P*%
M(#+$<5!(B0"TB04>6"!:,AX9$R=7L:+II3&?_L*#_-:YOBR/^"W[HEK;[?N)
M%&_3'G4%<UWS#'J_K^0C-DZLI./OD7 T.'@G'-RYF&),(N6Q!-NC+)6 @Y(X
ME 5!D5<IT<9B8@S@(%]G,UJO-ULN5AP3GK(,KU'W1U+W"=JC>#Q-@5&DI#&(
M\S1#*O 495H+8YU4-@4'B:IYY+R>35'><XQM375X72A'>Z8.ZU,4)[6/BQG(
M_!KN%4?Q.>^=O.X7,!V^.P#ERP:2[P;)XSM>*4!RZF&E5":0X(S']O4*Z:#!
M$]7&I90%QC@P,#:CE4@3L_K=(6!I^[TV./$8.+$[PHF+K]1:Z84S2*M $$^)
M0D90B3)OK>$ _%J7!4O90S?2-A&KZ]2QC+\V@:A5HC6W3L^5:_NZ#YRVW6M"
M[/<!K)]3Q(8:XE.P1L@3ER$N&$;&4H\4$\K*0(-D92/[53FKM%'T98XN-8K^
MF(H^P4P4-R&N"@HB,A,5*-+"4F32#/Z78DXH6]L4Y%:*W@25'J7+QS)N^]S;
M/DQ>;QW\;_+^P_ZGG3?;;Y)71\G^^^T/6X<[>^^2K=>'.Y]V#G>V#Y8WVF0Z
M7>>[Y?U@HI.BT\I=,IB(9P'EC]F>?\_W7NOBY'U]\.RKRX]%/'ID?[!G>&MX
M[&P#\7>#>#+&Y=CNUE=OE.3< (TSJ8 ?S""C@D<^2,^,4,:FM#IC\79-,)LX
M50,>3UQWU8#' L%C=P0>%U\=PRE3QB&M3*B2CID(#&4F$*W -#@3'<&XU^Y6
MW8"6*7ZU2ORJY%9O_][_?)"\_;"_F^SL?=H^F*)6#SB?_6Z^]QS ;HD# TLR
M.<OKEZQ4W/=]OVM/=%$V<(YA ]U*_'_Z^?D9_%YOZHA]:GJ7Y1_#MY;105E=
M&O'(!8RWYA'O]65<[.*PLV5AY;O^?2T,[UNZW=MJN^V!/#0\XFX\8J*;!S@A
M,3>N ^= (3A&/),&932ER&F)N5549C0Z(7)=S> 134./!AL>W<=HL&&!V##T
M,?C>UE>2::MIS(EG@B!.#?R&G48V]1A+0Z3+;,R.B^R!K0:;[/AM6-*M^BLW
M>;55($*_0+2)=JKOP5&Q3<3DSFC&IYB.<USH$(]_#XPBCH5 FGJ%A O.,!<R
M3".:J5_M35M.Y[C1[N6A,HUV/XIV3W 59I0+(F3 5:1#W&J&C)(IPDIYQI3U
MH-AKFX(^01W?LXSN=#N +:Y(0K=S-CRH:W9(9WDSSZN+>$]*9^JU?PM+?P K
MOQ\:#VU.J">F. TCSDJ<$B1P"J@G%47:$(RL"IQ1RI20LT_V:M+'#0(L]-C4
M!@$6A@ 3O,<9Z3FG:71C/+@VPH)7$PQB@F=I2KD#=+@M BQ3E&:5<L##&KN/
M!]MODIV]F4G@9>JX\9L6Q2Q].XYKRF-BT\:B*8]Y "SN7DP3(ZZP8<8C;2E&
M(&_P6WE0EJ2*2"ZS0%W<)[&.?QF[?K;QG@8EGJ:K:X,2"T2)"?+$,Q6("AG*
MRC)<Y55LU..1,\1C%7QJ@HT=GK%\@@37,]RL,%U,]W9G;VOO]=R*Z1[BNCYR
M:=V3>ME+.7'+Y)RL5BBVSC]4H=A.W*F7M#IQJGSW;+PGX'K2]HNJKVM238^R
M%3NVD!@/O@S*!UYWSL[R7A2#-WE1=@0#DM&PA[NQA_$F,V+OXFLJC'=2&>0P
M9HAGA*(,>XN\98IZ1C(?TIA0;OR+YZSD\]^&W2CY8I5\X"+8BU@?*],,0#E#
M(G42<<!IE&FAD&/>^%0SKJ5>VWR.1^VNY*";_/U]\O?^A^_:O*I"+'H=^RWI
MG$<I7VP;Z29Q][2I^[C0^]4Z;]<"X!IS<C=S0J8X(Z<J9315R ,[1#SE$JD0
M!'*P1IK2C$EG@#.*6_6*78580J/XJY>Q;Q1_+HH_P2.))3+% B.1>8.XTQPI
MI2FBVF52"AFR+(W]?)J#41=Z"'P\&2PISPKK^I;N>9?T.C'LE10GNNN3PO=Z
M+5]N006J$RL48['BA>ZZ19TGUOC,C[G#XD.UZ(<=$(384/6DTXJS][;3/8CK
M_PJ\: =N=#P;2,=!-JAW-]2C4W3'9H:FS#-D8V",<\ _Y;Q&3/B0$LFMM7)M
M4_ZR*KN)D?W6^KZP/1>-OB]<WR=9#M=8^\RB+*04\1 RI 73B&@C-':>:!]
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M$?WO8:RB7<YEMUJ6<@E@B+:EP9K'F3GNZ_B2]]/3$&)U3>E^Q7);6\9_X<H
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MNH#KO0 %JG[](TZQGM'685;[['+]SKN@>ET86^( #6"!VU$]6TDO/XLKYO(
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MC.&M;>8>:Z26?^_)&G;&Y=^0L. 2&Z2-((@SZI#!+B"N=;1!&F<47EDW8W4
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MKW8J_"10?IET*CC&..R]0!0X)>+P/Z2Q<$@9Q4@(@7B1(X,97N5$UW$DBR0
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M=>;WOZQLG%8)"8.-WQA^O?)KQ?%__[/8;G>.8,[OCK-/(/NR5HN=M8WBE_R
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M:Y[>S\+#^TLB?AY=$M+[VGAZ/<N, A/T.C=)4MU!KP +0.$++"=.T]"V+,=
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MA14>;-?KV[-RC]=VO5[;8>JH#;Y:L'M)@'GDJ6/HCFLE>ABYMF[$S([=,(A
MRJFNU_U3W![.^MU9"$%AULXQZZ^_UV'6VH9#AYTJU[;GFF$<Z2:+ ]VQ8U,/
M@C#173<P05$WS33Q%&8IS-H'S-I"N$!AUJUBUI>U>M;::,+[5L]*;<^S3#/0
M_8#[NN.DB<Y"&P@I]E+'-H&R6:PPZZ%$$![.KMQJS$!AWH[<:M_S=9BW_FA"
MJZ?Y21ICOU ]2%U+=[@=Z2QP/#TPS#3P#"\..&#>CNM0W%.^4AK:'@4 %"[M
M"I?^7(=+Z]W]+2[%@#QN!/9C%+F@BS$P'1DW8CWF,0\]CUE>RC;$)7768$L,
M*1A!BZBYBS8MB].L0L:$/\6RBV" -L..+UNONJ9Z,*D>3/U:]9Z> %'MF?HC
M_0Z/UW;)71OQ.>P$NQE00IBD.G<PJS&P0?HED:^G7FHZJ6&$GI,\>F$Z \<,
M-U3-%?(JY+TWR"M]<(K2%:7?<TKOZ>DLI6/T2,?XZVB=CK$V0GO46MBN[:94
MD] UP,QV6&#IS.%,=XS ,9@;>J'K@HXQ"'Q/J1@*>!\:\"H50U'ZPZ#TNSPX
MJ?2('ND17];Z*M9E37SZO?55,#/P@Q2TA]1Q;=WQ.,82 T,W(M=P;#NTF!T]
M>N':2HM0V/K@L/52+6(WZ2^*?Q3_W!O^>7*[R4D53!9^4XZ0O51@CKZ/UBDP
M:P])OSM^][)31,)U?-OV]<2-N>ZX<:B'?N#JL1E87ASZ5I)&\ICT:L;!4Z7
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MV;A0\!5XIP29=D$0Q\2;]5FATR\(71F,XZ-X$QO#SL\DJ($"B38@7@83 ^0
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MYN3O)[66'E*_:\U[4$PV<J&>LGPI<5N]:$)Z#KKJ-+Y@ ",% Q-_$:HTV"1
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M1'ZU27:9_:)R0#8,Q4YJGS$IF2*D+NS74]K>1O^J-_]<"F"Y99@. E#QE8B
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M8-,IK!]!U"D#-L5?*"*.EAYGH&ZTZF1>,-#@X/,I]K 6JE/)BW1 L=V,= /
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M08_0#6N@_4;G;;0GQ\4TB[7 L9X.M3]@*06GH2)_,L\25/P'H-CGO*HXU\[
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M87=(B8N"QSCCFM=I4>IMK]^DY.Q0[YH"\[=;ZD,M$BV4>&9Y<RQ&N_891D^
M/7C5\@G>PA(&!/C;9<@YO.JAEV^P/CD!/[[' $T/JQH*BUPG+\%A=5?V<']C
MGKQHE7:9A"$PA5L*JPCBWRV]8)RS%S#J)8)T"&-*+?MB#,LXPT<N]B>(V\+'
M_ ' I!(%UW^&9*Q&/+$)_+GF*$;\CJEOTCFN1^. O6$<!R:=5"[F4^8D$>KL
M*!XE<W_&.7%I NRQ((!TJ0CS LG'ZK#E@*3F!(E!,,B-@=KEFQ-)[O!M9XZ)
M:P,P[KMC:R$F?Y_P&J>*3 14: )C*KN8NRI80#'O7P=D0&!:'==5%9'H81>3
M9S714A%X;3)+F+E,O:IDK]>:G2!@+TI3'3$>_"<&T1>F.R)2UR6ZP.S$31@U
M[HE]Q11B1##-Z8EQUF+J]2JT51Q@2@24)W^I*$RU82Z9D*++ N*^1?]]PJ_R
M(H XG&N\DEPV%=-D(J+ O/LW 0,1=-"#*+0D-B\<N^W ;*S.OJ%7,@I':ZKU
M\KGMZ*8N*4ZO<%*D)F[Y@\CA92@D&V%^1U!?3]20MTKRV='J;VUY9#Z,;3YS
M925N/6^Q^7E-(O\EBTK3GH+8:)O"/#94QH[#]325XFY/_% \^ ]R"$\!443?
M;BDX-=2R% K;=[>82DO:T=BT>-N3ZE:*N%UYD=.NO*5J"R*(6W3?M4F)N]+V
M49II,<DVX@I[H:NU7[XK,1+_TT/ZI(WQ@4%]D<RMAO5W+Y&YWD0/JR).F2.N
M%T(4/&$^6M9K_7@]MKR XUX0HMXW4!3J3;5RS.6XD607JO+YW'Z'5ZT*YBBW
M6@M $@ GU,T$(; 4'=<-1Z'N54'&Y9+\%4O.C;8%Z7<T;^MRHXNX:J+T0Q)X
M2[X:RA^_;1]]1 $6\2I27K=DN>6,WO8L>K V:(AO.!LMVI05;5V49;,#O8M%
M:;B'?0QYV%6A M^'"J('?]*GFF1G\1!*M7;4V;12:7XE_NM.Z?$3B/FP'UAN
MIVS3\_K5#4(OE0Y%&FL=E^)Z)M<X[V.ZFZWM"Z45]?[+ B]5:IC#@IEFV\$A
ME5RN\)ACE\3U_<P7=R:0"Y'O:*KZ@ ,Q20C0?/*W6%O09%,%K69?)"TI'UER
MNFMFS+;7ROS!AP[UIE_3W>/\5;*<<#?#79<S%V-/J)S?#;D[!.>;]M^NB- 1
MWC3S$AQVM'V@#Q@^#3DN<A!Q9MRVW372Z(45T7LZ:MM:O_?L0ZJN^H"3%GG2
MMMPLF&MN1!$_I2M,D;@0A:Y($*IA2YHM*[/;LAEN J5HH6,E"X=N>RU ]%3M
M5;VQ-*N_:.2VM>]023SE$>097_L^=I<4ROGCMSV3*[6GX[FEF;J5= L+X9EX
MX>0[X Y(4&<=:'2X006++N9)O(E[O;EY<X,2-W7\NEC_>&YG8*H=%@W=S3JI
M%%K)X!Y68<R%<*,3RGI<(9?Y9CH,A6M]I>T-"WF!6B0][*,7/J*42<U//8F?
MC<>$^BQZ (_4Q:*SY'91#_O)[;S,+;@%5[CT_\X0=SE3DS(-KHXY@XE*@D7J
M#E3$ *I,7QO63FZX_>&BX @4249D^"M33&](J8^K0.*JK3O,]FXZG81#9"]!
M('S$!MKAV7O8+SM[("&4_!,F#RND[.2!! =_]WF/.2X[;W5R6&65%6!7]"I8
MZ)B6W/1 "VYZ5"PU]'OO=LGE5*V0D5&B0*+"U&6_U&HU!_XL>WI'.O42N%D1
M.RO%[W-UGLL<_Q#V/0_TBWX];ZF8.!YB()R+*H7I9M?C0K+X88*$ 1\H@CS(
ME?J0I6 !\515?Q&5 H]#C*7X3E'HJ:Y8*;C*\#6@!]"!3]8!LD>P,([AFS"W
MTMRMF+T5\;=^F4CX]P'018;O(M55&V*IKI>)3<$[)\4,=@/^W@NV]<NLR+U'
M_Y8";GABTW6NZ'S69IR;\%<,YTC"=.1A7:>L,[4*\R^1&-X$[&6=\"[A;\;X
M&/Z*89P"E_F6$F1I27L*M6H2@L&[J4E G?(8CD:PQV;^(QE0XD-HHS+^YIC0
M@3Y40'"Y*/XN00;PZT[MQ(EJ+B+<@(F08WBCQ2F$TP)U"1:+5)^EA%I3J58B
M]N &A=#Y<'<HY!;UVFE],VX!.3]^=0@4Q0![4MVBC_./6)S).QJU5F-3WA&)
M/_A&,;"NL$2DY(Y@'?),WM&LM9N;\HY8_L$]"L)%!!H,.!YH,G7-6I]W_'"O
M,:MA="8'=B#UC3C3K%:*(M;KX&8E\4W./L8[_0^/2GGRS8[E-'4'8_V.E:B3
M=#X.<:MT#:)^;07I2UA=#GZBSAJ[:@,JF1Q.[[5T,=>=8+#Q0S\@T4+^<.];
MB[)F5X6<VMR(JZ9TM[3RUD1[2S(+]+<F$[!2,[!24]A+[]9?06=.597RN1P6
MQMVZTW"RV5 SLC4G*\UJ[^%88>=D9&3<$SG-1G%H]G&?L]BTJ9.''8A#S_KJ
M=_D 7IJY.> >-W5'M!B6\4=6),A*)!WBXB(<TF<L-P+T(@%FL$^:M9,5P196
M2MH!\"D>2>7T/3YFG 9HC; 7$6,&_[19.RT#_K2V2F3..<3!"1)SS1W86Q_L
M.8S-0+>:M58)H*<R8GSW$=?4+S24 &U*9:YEVTYV SZAW4<KKU"OSM,:2]1Z
MK6&P^#[6I)/)KQ*<,L3& %1WFK6VP?A[&%X6'0/O!HB6@R&?BS'\U.M.MJF2
M\)K-!IK; 9?5*K>ES,RKIM%T:B50VLMU-/MK#>4.$\V2FE<,0)'9%4<,K(3#
MWEI]E:6QF(-Y/1PWG<QWJW,8[.4:N$9<-:E%\H]FE (B0VQ>!R=.MF&0L+"
MAZ69[+'Q5RAD<UB8Z]G31C:%9X'8Q\)VWISZ.C.:7&=>)5H59&D.7ZVFDVF2
M+T L^GK+U5]GQ?SW,JH]XD'T2XFK7<590&Z.;+ ESW;#(B9[>NTF:\)5OE7*
M8V(,;[!97_ M1!:-?8QO68NNU%[,Y6*,8@VGZ63Z* N!V<.0-?TI' '16YV%
M@=B.:>DSSB8^QB#6@(U]IM.;XJ:3R@R_ SJKGB4MP,Z\DF![GZG@C%C]T]?4
MY^KL_?SH?>H.OWX0_0N57S[]'U!+ P04    " !B>@E-\Y(7BD$7  !)XP
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M_>E;I,$R\%@20KO9;*GR1>K3L)APY93PB@/G:'ZCMZ[ "9<@*1<9<TD(WD1
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MN*NUBI>Y;PBY5K#]]OYVB+S?W^AC".S>F/R*<N4?CTW_\L/_ 5!+ P04
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M;B/KD0EK(\S;/-C=>*O9T)/FCXX:3X 2-X+XHV=$ R:07SEX5T/9T=^[:'Y
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ME[@"3]FB(NN&&F=GPR)2$":*4,HA3=!YDWY#=WW'_D_+FAIGTD"S+3N8)(4
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MMJP#^10XU]PXMXGD^Y[EWM5:+!RG[N#RM_.JPI/R;5K_!G]V<CZ?S6&<Z?5
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M^7^]+I;Z?7HG%FQ>5.<E$RG"D(E(PBB+ H@0B6 NHT2'#B42L2QBJ57 D*T
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MF+/0*M/17H2Q+?K;M0S?WWZ\_OC61RW#8_-BML/RB[;G%?I$+<.5$A>J96@
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M_3G,JPY\BRL@OK'IZZ+X4GTD7+PH[8JZ_);B<;WX+L0+T=6DI]^!DJS\VB>
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M<#<'*RQ69^]W;<&M,;\^EMT8Q_H:C:@=X^5>)_N&C)>8SE,=&0>5:=B6C)>
M>Z<GXT6$../PXPQY#WL?#G63C"8L9(+FD<Z/2PE$**+J.R8<AC'B29;G D=6
MN;X7T&%LH24=%7JXLP>>?PO7]GAG=0Q6E1,W]^$.Q8Y=WI>92^?N[X'5&-X5
M?IEYVNL6OY H]IZ*1R760NI5^9,VD:<W__U:O&B1'LM5O-1$,LZC#">0BT1
M)'$.\Y1$,"4Q0G$<D8P;-TLT&7!LBU0KLSZ-G5=25PG>E=A5!EDYJ_*1E^4Z
M.-)\8V<T!:>W\JZ!];Q.=#&M!08KB360MYZ --_4N@9TH'WH^<!:[15M4#JR
MO3-ZS& [,ANENILHJ_O..<^L'-GWI. 3B0(<YD$$L<RE3IS"D$:1@'F>1Z&B
MYH#:=:?>>O[8J/BV<S985>/H<T"X1L_F4*\7)L,<Q-7%2>Z/P='S$&U':?<'
M7^LA+G!8M:/?_@.FW<MZ%NE1Z(GY7/ JQ:4JF3KA)!)1BF/(*%=?,"8<YCC(
M8"CR.,S#A&>4VWS!>\88VU>\$K&M7YI<!4'0YNF353;0%9B5F[5-%=J@[.LS
MV(>^&0.<B:EG%EC#V50YK01T7^3T" I.*]GL&6;8(C6']=RI/W/D4I=1W9.,
M$4I#%L(0"\42/(TA35()DT1$)"*8QY%5]MGQLCAC(8H*U<9+Q$Q*.-E :N'.
M&W,YK$,>-]^!G\/%:8XAK-(N"O),#NAXBQ;7,_ZQG)'UOU2;#,(J9U'3EX1F
M2 A.8IB(3)$#I102E 0P"DG"<:@H@UH=3%B./S;6Z(I?M8U5"L".!J"K OCM
M7:G]:H;=8OI.D1G9> 3>,PLYQMR:HWHBYY*\;$48E-5ZXK--=WT?T[>[[W(=
MX#?!>29P(")(>,@@4G= FM$$DCB,>"80R1BS";?>>+H5APT0(*V$:P*A;1OO
M=B&3011P%&60!0HHE.0)Q#3'Z@^6QR*)$[5HV'4[[@O9 +3O!C(SHNX-A&<:
MUAAL1F=?+Y?S@KXNJR(ORQ+<$WV$X;*I\!XDW'8,[@XP<#O@/;KM]OK==Y']
M45Q5V.11(2<:DR'/\CC"ZI,-J*(Z))(<8H01%$&>9%F<$(J-C]VV'SZV;_=/
M8?9G'*E7X,\(FY_X[$!V^ICL'" \?[MU)<%*MAXM#'>P,#_I.@>3@4ZUK+"Q
M.L ZI/R1PZJ=6P8[F#HD;/<0ZN U_6RP#X44M[/%ZUP']+TMYR^E[O!P-W]#
M9G^_^SH3_/I9]SF?A*%D:1 )2#+*U1Z4(4A3%$(<X4AFZJ\B3FU,#<-QQT9D
MV@M 9M]!J44$4Z6$LDD:+>S,$E/@S0P6#W!ZID,M,5B)? 560NLS "TVJ.2^
M K7D[BP:2ZA<VCJF0P]J!5GBL6T?V=[>NSW@.MAJQF^>7Z;E=R'>B)F0Q;(J
M(Z=[2%8M)"=QE'+.=$63"&.( AI!G <,9DQP&M,X8-+JT-QF\+$1UKOV[&@C
M6K.2V;J1H/D,F)&6+UP],]<&DMH7U@H.&LEK>,%O7KJ:]@'-<7]"\_&';EIH
MC<R>3H;VS^A':56KH#NI^T"W!K8:\:%XFA6R8&2VO&9,,V<Q>ZHZK!:B\X$%
M,0LY(1)&<9A"%*(88IQRF >22)(SB8155,$YPHR-\NI66J4$76VJ#_7A]?F9
MZ,J6$G14 VO=0*N<'3>>-95F7#G4!'GFSB-S<WQ"/+&I"UA=LNM9\@S*MBZ0
MVV9?)\^T=\V]*:;J)>7_44YYYP"D\;,$*(PX"@BDG(80,<6YF" "22@%QZ%(
M66AD3)X::'0LJF2M/DPM;3>]Q]QG=137T[X\5VCYIK1#0/7P\AU%S-SCYPJY
M@;Q_9R!HY0LT@>6(7_#H[8/Y"$V4Z/H+C:[O&<?"_^MUL:P.BQ_+3T(+7TS%
MQH')8_F6+#[?ZP)07/ WWW]>"'X[6W7SO6;+XDNQ5#Q^31=5TM,$!3+D8<Q@
MFF>QCI<5$&>AVKSG09)A)A,1"JM@%P]"CHVK.SKJ,\!YJV75P+*MMU6WLV1*
MT[H@EVZ3194MW*KY3W\,T^!?R$K9OUA&S/AX&<QLXTM/L><%9FMV5PJ"W=-@
M]6NM)[CO3/ /6E?U%OS8Z6J^UA?\UFKL,EK'XX0X#>GQ(>>P<3\>D=X)#O(Y
MEJO:_,T.8:'D$\47'14QX3'Z?]5]:X_;N);M]_D5 N;<F3Y L8<2J0?O  -4
M*DE/,.E4;I+3C8O^8/!9,=IEY]BN/.ZOOZ0>MLL/B91(68T#]*E42=I[+XI+
MY.9^2)Y@"'AA&FZ2F &2FM-V7C L48(4*7IT0+:1;<4B5^AVO*9"1K16UWPO
M:GW="S)VPV_'X=[0O&KI_D;G:*]TR,K]ER$*6[G_C-PK5^Z_C$1WY?Z6>WNG
M@9G<Q3*K;(;2-,\4%(!@34$8<0AHFA0@15 5"6>*$Z?#J,.'3VT=6NLVH,3K
M,^CLF*,O(($9HL'B4RL(?9*T3JSUG)VU?_[8:5DGEIW)QSJ]QFV2"CF?O5IN
MY]L?K_7J97VGO[D/IG) 7*0YA1D&4'(",-7HF,AC$/,"Z3]@QNUB:2\\?VI3
MM5(Q*G6,&B7MYNHE!-NGJP=< L]8-TBL9VZ'X:>3=R/YSP^KK_^A;S3S%IL?
MS'3%!]/UTD-'F;$=%C63MNNROI$@R\UJ,1>E3[*L[WO[?;[1BWR52,$P2.-,
M+_(3+D 1)Q1 Q"DG*I,0.AV(GA<SM5G\3,NH5%-OZ+6BCNE.%T"U^P /ARKP
MQ.Z!4H^PC#80_ 9@G)4T<JA%F[6G016M5[L?V+V=+^5*W:VEF&]?4SY?:(YY
M*^LR6D;*+$<:/):9^-0, ;W+1X!EM "(Y#B66-&80=M3NTYI4V.%7^GW^>/3
M8[2HE8S*6ND1-7T^6PH&]("Y^Q#/*WB!><+H:F(3*FVC1MV;J%$X*C7V":#]
MF9Y7($<ZV+L(:/.&/@<VNNUX0YU.^ZP!:SGRZW[&:.=^UN8<'O[9W]37T['B
M4HJR.\-'NI F=L,<*&U_F%"YK8F@:VIDS5*<P"(6$$@H,H!)P0 I4@8RD@F!
M.,1(.F40.,B>&D$WJE>]539:^;(37*U^>12^JT#HZC^Q'Q!;]TH0F(-[7PX1
M_E@CW&A^4T;H;F^JZ-U.I'LX:9PQ\^O#L1<_LHO'&9=3#Y#[(_IQVR]TOC1G
M6O?+E_/-E]5F;KZ5]ZIN2!PG4,@49H!GPN08\ 04ID$+(ZD4N8QA*N(>ATJM
M0B=ZFF1TCO3&JN$QVMZQN ?8=DPU'+MQN*G$JSZPU[ =*'O(415%[=GI)GKU
MG2^>1-F":U[%2_U"-_OKS2\^S<N&$<WO_#&:%;8^.:Q=X*BL967[,4_9W12H
M,_2FHS=CW;/A2;_5;Y;ORP:TK4U?"2MDSB %F$+3?HIE0/^+@ PG.%44D11Z
MJ$X6SH"IK?\N])P*VO_7]SMAQ\E3'NG -&_3*F%CVROA  839U !,:7FP('&
M<=0NP;YMF$!=N_ CY-PW.)0>/6.8.5\_2?%V3IGQCLSEYNYI;4KHS$BB8BZY
M_M1AKK]\YFB8YOH_7*&,%@67A*9.@<B7)$WMZU0K&BWVFCJ& E_$U.ZCX06I
MP.S>@'2@Y$U4J^DQD+8+":_1L!>%C1O2VF7S25QJYPW]J.&#_"J73_N^+)J+
MU&K]:-9N]VPQ?RB)[=7W+Y*;C?;\T?2E51_U;S>JJI)GO*_E<=>,4)[& F/
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M 7K93P!6^IM+8IH!00K)B5**%X5;3LHE45/[+#;1G0<:_V]7+\9%6&T]%C[
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ME?+=,?-;+=]!_L@5\]V1.:V:W^,9/L/,3^GVTMK]X.#Z<!O.!.2",@*H4@G
M::P I:E>+Z>4$Q+'19$[L6 8-:?&E]57Z]_^-<[@?Z[483RQ8YFH0*/JL$B^
MZEC]A9;)ARUC+=UIGB+#?0U(^,CPP9I.(#+<%]IVD>'>I/7[J-1R-I]6M_R?
M3_.U?#M7\LUR\[0VA1K*R,^YWG-C7-"<\QQD.4D!3H0$!*8QD J)E$JI\B3M
MX4JQDSY1Y\A[_:#/>JS,RJ[IE[+ZMM0,LM!61//&#+?O@>6 V/&[1WS'X>N&
M>[>KJ-8X,BI'.YWK>'+CV39U1<IJR'P[_UH6%/?'PV[ ^>152\FC\J0;&L>\
MYWAWS[K&>I.Z6I;KL.-<FQEF/"U03$!2%!A@1B@@2:Z 7MIJ^BI2+!W+&U^6
M-;5E:J5JM#&ZWM0^W(CNU'4L=MR"L1T?>4(N, G5H'VL0#O)(?18 ;D;#J^%
MD%O$C5L/N=OND[+(%K?T98[3PNM-DXHF<WR&"D(%1@H@1A' $F> Y4C_1!C*
M4PD)%TYMAFV$3HU+CEK5N'*'!<JV).(7N^!L<KZ=PT[E7<$(G\1B#Y%?AK&0
M.S+5V"-QRCD.]PYJ8/-!FC+O)N%.KLNT4VW;/5O,'\HMHHG9XV93,W_4E]RK
MC_JW&Z45TW_[9'( 9DH2+E-.00:9 #@6"6 PSP N9,Y4EB0B=:(G/VI-C<!J
MJVZBG5W1@6'1WK*;J+$MJHPKST0/S(O^* UTK +A:;#M6'+\(0S,HR..7M_6
M.9[ #M!-9ZAFUVBPXPG-"SUW?#V]'^^_HFLC>Z.%E\O9799/D5#*6)*!%.>:
MR8N< Y*F&1"%9(FI5$]CI^YDEP1-C9L;/7NG+E]$U(XN?> 4F !W$+TW%6R,
MDD'2I;J0\,E.%V6-RC==%A\S2.?U@<YWNX(SF_HQFS=+K=I\=5Q9^5E]F1DN
M%"5*() F" *<X!@00:G>X>9%$N,4T\PIOWA<]2?'7[5RHG?SBBN]!IX.BJ\V
MN!,X0+:.QM^!$.EWI(+A3.G_YX7(1CQ;#C*&HYXY^[5@6F?104;'^8PZC!8]
MSZ[7*_'$MZ9%U4>Y_JH?N*D[,&+,:4KC&.!8$H"1Y( F! %5\"0O&$\9MTHD
M[)0TM<]0HVC9<ZU1M6=OR\OP6AX^^P M]'ES/[S<SY.[L/!ZA'Q1V+BGQETV
MGQP4=][0CR=^U?O\QZ?'7Z4)V9O1-%&$2 :0T$M>G$(%2)*F@.2D0)(*F@OH
MP@W/GCXU/JB5<YOXS_&RF^R]40@\P6N]HC\JS3Q.Z;,6^YS&SP6,.G7/VG8\
M7<]?U'/ORS]+\;20]^I5V3/D][F0!Q4X#_IDO_JNY\V2+IH#&;T@.<,;E:<<
M$B$*FL8 "G,80F0!:)$H8++_5)$1I5\?IRUN""VG1AG/>M$W=NS.+<N]SH6O
M9I\SD3 #;[FIO?9PCG-BXG\DW;>>(9'VNL,,HNBX&\F06)_L%X,*Z_<MN=UL
MY'93G\_OC@%(D:$L$Q+$7"8 0[TY)# A0#!6P)2(%".G;\%9*5/C\J832:6L
MXXG*>1SMJ'4P.H&IL=)OWZHEQ$%**P8^2>N\H%%)I]768])HO[C?I'\YW] Z
MA57SSKVJF:?DDWW5=5YD$".JMWV)D@#G!((B32G((8X+ 3E%*7<A 2NI4R.%
MYTI7+8E*M=WHP0YQ.[KPCF-@^K@(8;UT"E/FW@DEGP1C)WA4PG'"XIB W&[N
M[9S^(M?;'Z:SQU:O<%[]\VG^I:RKN?TLU^_D=L:A2C-3^5+E7#,2320@>5H
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MC-/)Z4/?X\=I?=9\_5OXC).D,VIT!GA,"E34!1PO",9FRV).GO[R*NU;#6U
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M-1E8$QV@ZU+@=LGA(L]<%14M2.6)"9L9>*\U."]0*$=;LK<MX'0K->-D_#7
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MRS.NOI_Q5.H5/B.G,]22=HHB%$6=64.PO&2?D ?39+/;A;AQ#Z<;P6MPK72
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MO<IFP&RDNPXV\-TE.9&*?'%'89Q(LK;A,,29K1W&: ,HDL<02I.,\]U)'/>
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M:B?R#LX!?PG3Y>:"[FW9GA:$V>LY2>QDD^EURMW$E<C0* >142BOBD82HK7
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MCZ%[]+SUAT+J+?45#Z;O1VA"#QX&<>_C6IO3A@,<CH2J%(&VW!) Q"A!I<S
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M[Q=-8I'%$L 61%(?"HC)U>3"%+CB.?KL>UR.._(W[G)\Q.<X+? S]EBO8SV
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M2UZLT$AKSRF9W8%@'(C$_MR^-I =0Z-/!=A_PSDNZ[:R;<<S22G6)&X'VN@
M*K)23Q!3G36I6:% S1O[D+"^3N"XY5"=@_HH;3XB2-?!77_6-;LI2GA;SF:G
M?)ZN-Y-<-N7?S]:G/0DV_<47UT5S+L=)S(4S$02(S8Q@41,2DQ,@O0V9,R-0
M'^I5/ 3]X]9:C;\@1L/"(UHO]QJ-.K#T2Q75A=F(S*/#+,$H1Y%KW$R\2XQ
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MJ"(RA-IPTG!N';F'W!4Q.B3'-7T/@)IC<+J7"@<\Y6R/T(O9VUY%QK@ E"6
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M?_G_ 5!+ 0(4 Q0    ( &)Z"4TVZ^ WB@@  &U'   4              "
M 0    !N9W,M,#8S,#$X>&5X,S$Q+FAT;5!+ 0(4 Q0    ( &)Z"4TJ7M;?
MI@@  *)/   4              "  ;P(  !N9W,M,#8S,#$X>&5X,S$R+FAT
M;5!+ 0(4 Q0    ( &)Z"4W9L94Q0 8  &PU   4              "  901
M  !N9W,M,#8S,#$X>&5X,S(Q+FAT;5!+ 0(4 Q0    ( &)Z"4T-$R]]-08
M $XV   4              "  088  !N9W,M,#8S,#$X>&5X,S(R+FAT;5!+
M 0(4 Q0    ( &)Z"4V^KZIP$TP! -@$$  0              "  6T>  !N
M9W,M,C Q.# V,S N:'1M4$L! A0#%     @ 8GH)33TD!:)5#   ?W@  !
M             ( !KFH! &YG<RTR,#$X,#8S,"YX<V102P$"% ,4    " !B
M>@E-\Y(7BD$7  !)XP  %               @ $Q=P$ ;F=S+3(P,3@P-C,P
M7V-A;"YX;6Q02P$"% ,4    " !B>@E-@][/I!\K   ?L@$ %
M    @ &DC@$ ;F=S+3(P,3@P-C,P7V1E9BYX;6Q02P$"% ,4    " !B>@E-
M<9RX]SV(  "<W 4 %               @ 'UN0$ ;F=S+3(P,3@P-C,P7VQA
M8BYX;6Q02P$"% ,4    " !B>@E-;)6G9NM,   CD , %
M@ %D0@( ;F=S+3(P,3@P-C,P7W!R92YX;6Q02P4&      H "@", @  @8\"
#

end
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
