Consolidated Statements of Operations (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Net Revenues:
Net product sales	$ 17,258	$ 32,299	$ 40,739	$ 77,175
Licensing revenue	1,080	2,416	2,251	3,551
Net revenues	18,338	34,715	42,990	80,726
Costs and expenses:
Cost of sales	15,635	29,102	36,619	68,275
Other operating costs and expenses	171	385	322	793
Selling, general and administrative expenses	2,325	1,737	4,513	3,745
Impairment of trademark		1,326		1,326
Total costs and expenses	18,131	32,550	41,454	74,139
Operating income	207	2,165	1,536	6,587
Other income:
Interest income, net	121	67	343	98
Income before income taxes	328	2,232	1,879	6,685
(Benefit) provision for income taxes	(60)	285	122	898
Net income	$ 388	$ 1,947	$ 1,757	$ 5,787
Net income per share:
Basic	$ 0.01	$ 0.07	$ 0.06	$ 0.21
Diluted	$ 0.01	$ 0.07	$ 0.06	$ 0.21
Weighted average shares outstanding:
Basic	27,130	27,130	27,130	27,130
Diluted	27,130	27,130	27,130	27,130