Unaudited Condensed Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Jun. 30, 2017	Jun. 30, 2016
Income Statement [Abstract]
Revenues	$ 8,923	$ 13,345
Cost of revenues	13,409	12,482
Gross (loss)/profit	(4,486)	863
Operating expenses:
Research and development	2,717	2,952
Selling, general and administrative	6,138	7,216
Amortization of acquisition related intangibles	13	39
Restructuring	1,339	0
Total operating expenses	10,207	10,207
Operating loss	(14,693)	(9,344)
Change in fair value of derivatives and warrants	925	(678)
Interest expense, net	(10)	(135)
Other (expense) income, net	(1,374)	126
Loss before income tax expense	(15,152)	(10,031)
Income tax expense	100	324
Net loss	$ (15,252)	$ (10,355)
Net loss per common share
Basic (in dollars per share)	$ (0.91)	$ (0.76)
Diluted (in dollars per share)	$ (0.91)	$ (0.76)
Weighted average number of common shares outstanding
Basic (in shares)	16,778	13,676
Diluted (in shares)	16,778	13,676