Note 9 - Intangible Assets (Tables)

9 Months Ended

Dec. 31, 2016

Notes Tables

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

	December 31, 2016
	Gross Intangible Assets		Accumulated Impairment		Accumulated Amortization		Net Intangible Assets
	(unaudited)
Developed intellectual property	$	17,197	$	265	$	13,481	$	3,451
Customer relationships		13,464		123		13,341		-
In-process research and development expenses		1,056		1,003		53		-
Contract backlog		7,310		-		7,310		-
Other intangible assets		1,588		-		1,461		127
Total identifiable intangible assets	$	40,615	$	1,391	$	35,646	$	3,578

	March 31, 2016
	Gross Intangible Assets		Accumulated Impairment		Accumulated Amortization		Net Intangible Assets
	(unaudited)
Developed intellectual property	$	17,309	$	-	$	11,639	$	5,670
Customer relationships		13,520		-		12,961		559
In-process research and development expenses		1,188		-		-		1,188
Contract backlog		7,329		-		7,329		-
Other intangible assets		1,599		-		1,409		190
Total identifiable intangible assets	$	40,945	$	-	$	33,338	$	7,607