CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Net Revenues:
Net product sales	$ 4,844	$ 7,780	$ 10,315	$ 26,067
Licensing revenue	1,185	1,163	2,348	2,388
Net revenues	6,029	8,943	12,663	28,455
Costs and expenses:
Cost of sales	4,462	7,546	9,560	24,551
Other operating costs and expenses	44	167	177	241
Selling, general and administrative expenses	1,196	2,081	2,683	4,401
Total costs and expenses	5,702	9,794	12,420	29,193
Operating income (loss)	327	(851)	243	(738)
Other income:
Interest income, net	57	39	108	78
Income (loss) before income taxes	384	(812)	351	(660)
Provision (benefit) for income taxes	219	(102)	240	(71)
Net income (loss)	$ 165	$ (710)	$ 111	$ (589)
Net income (loss) per share:
Basic	$ 0.01	$ (0.03)	$ 0.00	$ (0.02)
Diluted	$ 0.01	$ (0.03)	$ 0.00	$ (0.02)
Weighted average shares outstanding:
Basic	27,130	27,130	27,130	27,130
Diluted	27,130	27,130	27,130	27,130