Consolidated Statements of Operations (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2013	Dec. 31, 2012
Net Revenues:
Net product sales	$ 18,443	$ 22,608	$ 59,182	$ 99,783
Licensing revenue	2,414	2,046	4,665	5,597
Net revenues	20,857	24,654	63,847	105,380
Costs and expenses:
Cost of sales	15,986	20,484	52,605	88,759
Other operating costs and expenses	361	253	683	1,046
Selling, general and administrative expenses	3,216	1,926	7,729	5,671
Impairment of trademark	219		219	1,326
Total costs and expenses	19,782	22,663	61,236	96,802
Operating income	1,075	1,991	2,611	8,578
Other (loss) income:
Loss on settlement of litigation	(4,000)		(4,000)
Interest income, net	98	132	441	230
(Loss) income before income taxes	(2,827)	2,123	(948)	8,808
(Benefit) provision for income taxes	(1,446)	430	(1,324)	1,328
Net (loss) income	$ (1,381)	$ 1,693	$ 376	$ 7,480
Net income per share:
Basic	$ (0.05)	$ 0.06	$ 0.01	$ 0.28
Diluted	$ (0.05)	$ 0.06	$ 0.01	$ 0.28
Weighted average shares outstanding:
Basic	27,130	27,130	27,130	27,130
Diluted	27,130	27,130	27,130	27,130