Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts.

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

Name:	us-gaap_SalesRevenueNet
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

Note 14 - Revenues from External Customers (Details) - USD ($) $ in Thousands	3 Months Ended												12 Months Ended
	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2016	Mar. 31, 2015	Mar. 31, 2014
UNITED STATES
Revenues													$ 53,094	$ 45,798	$ 29,551
Foreign [Member]
Revenues													31,565	25,532	23,173
Revenues	$ 24,812	$ 19,913	$ 21,776	$ 18,158	$ 18,560	$ 17,830	$ 18,540	$ 16,400	$ 15,714	$ 13,116	$ 12,676	$ 11,218	$ 84,659	$ 71,330	$ 52,724