Business Segments (Tables)

6 Months Ended

Sep. 30, 2016

Segment Reporting [Abstract]

Schedule of Operating Results for 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,
	2016		2015		2016		2015
Revenues:
Wind	$	12,898	$	13,583	$	18,573	$	31,747
Grid	5,609		5,421		13,279		10,980
Total	$	18,507	$	19,004	$	31,852	$	42,727

	Three months ended September 30,						Six months ended September 30,
	2016			2015			2016			2015
Operating (loss) profit:
Wind	$	(1,235	)	$	(1,991	)	$	(4,264	)	$	(1,864	)
Grid	(5,262		)	(4,113		)	(10,577		)	(10,621		)
Unallocated corporate expenses	(653		)	(737		)	(1,653		)	(2,613		)
Total	$	(7,150	)	$	(6,841	)	$	(16,494	)	$	(15,098	)

Schedule of Total Assets for Segments

Total assets for the two business segments as of September 30, 2016 and March 31, 2016 are as follows (in thousands):

	September 30, 2016		March 31, 2016
Wind	$	26,390	$	34,389
Grid	39,200		36,255
Corporate assets	50,163		64,674
Total	$	115,753	$	135,318

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, 2016 and 2015:

	Three months ended September 30,				Six months ended September 30,
	2016		2015		2016		2015
INOX Wind Limited	68	%	66	%	51	%	55	%
Beijing JINGCHENG New Energy Co., Ltd	—	%	<10%		<10%		15	%