CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Jun. 30, 2017	Jun. 30, 2016
Net revenues:
Net product sales	$ 2,777	$ 5,471
Licensing revenue	224	1,163
Net revenues	3,001	6,634
Costs and expenses:
Cost of sales	2,771	5,098
Other operating costs and expenses	7	133
Selling, general and administrative expenses	1,282	1,487
Total costs and expenses	4,060	6,718
Operating (loss)	(1,059)	(84)
Other income:
Interest income, net	104	51
(Loss) before income taxes	(955)	(33)
(Benefit) provision for income tax expense	(65)	21
Net (loss)	$ (890)	$ (54)
Basic net (loss) per share	$ (0.03)	$ 0.00
Diluted net (loss) per share	$ (0.03)	$ 0.00
Weighted average shares outstanding
Basic	27,061	27,130
Diluted	27,061	27,130