Intangible Assets

12 Months Ended

Mar. 31, 2016

Goodwill And Intangible Assets Disclosure [Abstract]

7. Intangible Assets

Intangible assets at March 31, 2016 and 2015 consisted of the following (in thousands):

	2016							2015
	Gross		Accumulated			Net Book		Gross		Accumulated			Net Book		Estimated
	Amount		Amortization			Value		Amount		Amortization			Value		Useful Life
Licenses	$	4,422	$	(3,739	)	$	683	$	4,422	$	(3,328	)	$	1,094	7
Core technology and know-how		5,010		(4,839	)		171		4,858		(4,530	)		328	5-10
Intangible assets	$	9,432	$	(8,578	)	$	854	$	9,280	$	(7,858	)	$	1,422

The Company recorded intangible amortization expense of $0.6 million, $0.6 million, and $0.8 million for the fiscal years ended March 31, 2016, 2015, and 2014, respectively.

Expected future amortization expense related to intangible assets is as follows (in thousands):

Fiscal years ending March 31,	Total
2017	$	553
2018		301
Total	$	854

The geographic composition of intangible assets is as follows (in thousands):

	March 31,
	2016		2015
Intangible assets by geography:
U.S.	$	854	$	1,422
Europe		-		-
Total	$	854	$	1,422

The business segment composition of intangible assets is as follows (in thousands):

	March 31,
	2016		2015
Intangible assets by business segments:
Wind	$	-	$	-
Grid		854		1,422
Total	$	854	$	1,422