Business Segments (Tables)

12 Months Ended

Mar. 31, 2017

Segment Reporting [Abstract]

Schedule of Operating Results and Assets of Segments

The operating results for the 2 business segments are as follows (in thousands):

	Fiscal Years Ended March 31,
	2017		2016		2015
Revenues:
Wind	$	47,269	$	68,883	$	51,307
Grid	27,926		27,140		19,223
Total	$	75,195	$	96,023	$	70,530

	Fiscal Years Ended March 31,
	2017			2016			2015
Operating loss:
Wind	$	(4,174	)	$	(1,256	)	$	(14,321	)
Grid	(20,476		)	(14,835		)	(26,890		)
Unallocated corporate expenses	(2,892		)	(4,027		)	(11,306		)
Total	$	(27,542	)	$	(20,118	)	$	(52,517	)

Total assets for the two business segments as of March 31, 2017 and March 31, 2016 are as follows (in thousands):

	March 31, 2017		March 31, 2016
Wind	$	18,346	$	34,389
Grid	31,060		36,255
Corporate assets	50,838		64,674
Total	$	100,244	$	135,318

Geographic Information about Revenue, Based on Shipments to Customers by Region

Geographic information about revenue, based on shipments to customers by region, is as follows (in thousands):

	Fiscal years ended March 31,
	2017		2016		2015
India	$	44,243	$	59,640	$	39,314
U.S.	16,224		14,565		9,820
China	2,004		8,455		10,410
Asia Pacific	2,106		5,364		3,788
Africa	1,548		2,697		616
Australia	4,053		2,410		1,653
Europe	3,624		1,775		2,239
Canada	1,393		1,117		2,690
Total	$	75,195	$	96,023	$	70,530

Geographic Information about Property, Plant and Equipment Associated with Particular Regions

Geographic information about property, plant and equipment associated with particular regions is as follows (in thousands):

	March 31,
	2017		2016
North America	$	42,699	$	48,685
Europe	602		868
Asia Pacific	137		225
Total	$	43,438	$	49,778