Note 8 Goodwill and Intangible Assets (Tables)

9 Months Ended

Dec. 31, 2014

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Finite-Lived Intangible Assets [Table Text Block]

	December 31, 2014						March 31, 2014
	Gross Intangible Assets		Accumulated Amortization		Net Intangible Assets		Gross Intangible Assets		Accumulated Amortization		Net Intangible Assets
	(unaudited)						(unaudited)
Developed intellectual property	$	16,304	$	7,309	$	8,995	$	16,304	$	4,984	$	11,320
Customer relationships		13,020		10,714		2,306		13,020		8,695		4,325
Contract backlog		7,155		7,155		-		7,155		7,155		-
Other intangible assets		1,608		1,107		501		1,608		906		702
Total identifiable intangible assets	$	38,087	$	26,285	$	11,802	$	38,087	$	21,740	$	16,347