CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Net revenues:
Net product sales	$ 17,635	$ 41,035
Licensing revenue	3,616	4,716
Net revenues	21,251	45,751
Costs and expenses:
Cost of sales	16,277	38,819
Other operating costs and expenses	199	367
Selling, general and administrative expenses	5,101	7,970
Total costs and expenses	21,577	47,156
Operating (loss)	(326)	(1,405)
Other income:
Interest income, net	261	178
(Loss) before income taxes	(65)	(1,227)
Provision (benefit) for income tax expense	172	(259)
Net (loss)	$ (237)	$ (968)
Basic net (loss) per share	$ (0.01)	$ (0.04)
Diluted net (loss) per share	$ (0.01)	$ (0.04)
Weighted average shares outstanding
Basic	27,115	27,130
Diluted	27,115	27,130