Intangible Assets

12 Months Ended

Mar. 31, 2015

Goodwill And Intangible Assets Disclosure [Abstract]

7. Intangible Assets

Intangible assets at March 31, 2015 and 2014 consisted of the following (in thousands):

	2015							2014
	Gross		Accumulated			Net Book		Gross		Accumulated			Net Book		Estimated
	Amount		Amortization			Value		Amount		Amortization			Value		Useful Life
Licenses	$	4,422	$	(3,328	)	$	1,094	$	4,473	$	(2,962	)	$	1,511	7
Core technology and know-how		4,858		(4,530	)		328		5,736		(5,252	)		484	5-10
Intangible assets	$	9,280	$	(7,858	)	$	1,422	$	10,209	$	(8,214	)	$	1,995

The Company recorded intangible amortization expense of $0.6 million, $0.8 million, and $0.9 million for the years ended March 31, 2015, 2014, and 2013, respectively.

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

For the years ended March 31,	Total
2016	$	568
2017		553
2018		301
2019		-
Total	$	1,422

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

	March 31,
	2015		2014
Intangible assets by geography:
U.S.	$	1,422	$	1,995
Europe		-		-
Total	$	1,422	$	1,995

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

	March 31,
	2015		2014
Intangible assets by business segments:
Wind	$	-	$	-
Grid		1,422		1,995
Total	$	1,422	$	1,995