XML 53 R43.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Note 10 - Geographical Information - Revenue by Geographic Areas (Details) - USD ($) | 3 Months Ended
--- | ---
Jun. 30, 2017 | Jun. 30, 2016
Operating Revenues | $ 47,697,373 | $ 30,493,253
UNITED STATES |  |
Operating Revenues | 40,801,228 | 28,231,252
Non-US [Member] |  |
Operating Revenues | $ 6,896,145 | $ 2,262,001

X
- Definition 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). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + Details
Name: | us-gaap_Revenues
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_StatementGeographicalAxis=country_US
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementGeographicalAxis=us-gaap_NonUsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |