Business Segments (Tables)

6 Months Ended

Sep. 30, 2014

Segment Reporting [Abstract]

Operating Results for Two Business Segments

The operating results for the two business segments are as follows (in thousands):

	Three months ended September 30,				Six months ended September 30,
	2014		2013		2014		2013
Revenues:
Wind	$	7,462	$	14,691	$	15,113	$	29,392
Grid		4,993		9,490		9,038		17,875
Total	$	12,455	$	24,181	$	24,151	$	47,267

	Three months ended September 30,						Six months ended September 30,
	2014			2013			2014			2013
Operating loss:
Wind	$	(14,611	)	$	(2,449	)	$	(18,091	)	$	(4,274	)
Grid		(6,559	)		(5,750	)		(12,966	)		(10,618	)
Unallocated corporate expenses		(5,230	)		(2,829	)		(8,010	)		(4,985	)
Total	$	(26,400	)	$	(11,028	)	$	(39,067	)	$	(19,877	)

Total Business Segments Assets

Total assets for the two business segments are as follows (in thousands):

	September 30,		March 31,
	2014		2014
Wind	$	47,569	$	36,701
Grid		44,779		54,342
Corporate assets		63,499		77,466
Total	$	155,847	$	168,509

Schedule of Revenues by Major Customers

The following table sets forth customers who represented 10% or more of the Company’s total revenues for the three and six months ended September 30, 2014 and 2013:

	Three months ended September 30,						Six months ended September 30,
	2014			2013			2014			2013
INOX Wind Limited		48	%		27	%		48	%		21	%
RES American Construction, Inc		16	%		—	%	<10		%		—	%
Beijing JINGCHENG New Energy Co., Ltd		—	%		28	%	<10		%		31	%