Business Segments (Tables)

3 Months Ended

Jun. 30, 2018

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 June 30,
	2018		2017
Revenues:
Wind	$	3,678	$	2,278
Grid	8,929		6,645
Total	$	12,607	$	8,923

	Three months ended June 30,
	2018			2017
Operating loss:
Wind	$	(1,367	)	$	(4,433	)
Grid	(2,666		)	(8,167		)
Unallocated corporate expenses	(1,095		)	(2,093		)
Total	$	(5,128	)	$	(14,693	)

Schedule of Total Assets for Segments

Total assets for the two business segments as of June 30, 2018 and March 31, 2018 are as follows (in thousands):

	June 30, 2018		March 31, 2018
Wind	$	14,830	$	16,790
Grid	42,701		37,012
Corporate assets	26,915		34,373
Total	$	84,446	$	88,175

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 months ended June 30, 2018 and 2017:

	Reportable Segment	June 30, 2018		June 30, 2017
Inox Wind Limited	Wind	25	%	22	%
Vestas	Grid	36	%	—	%
U.S. Navy	Grid	<10%		35	%