Consolidated Statements of Operations (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Jun. 30, 2014	Jun. 30, 2013
Net Revenues:
Net product sales	$ 24,842	$ 23,481
Licensing revenue	1,101	1,171
Net revenues	25,943	24,652
Costs and expenses:
Cost of sales	22,409	20,984
Other operating costs and expenses	317	151
Selling, general and administrative expenses	2,426	2,188
Total costs and expenses	25,152	23,323
Operating income	791	1,329
Other income:
Interest income, net	65	222
Income before income taxes	856	1,551
Provision for income taxes	205	182
Net income	$ 651	$ 1,369
Net income per share:
Basic	$ 0.02	$ 0.05
Diluted	$ 0.02	$ 0.05
Weighted average shares outstanding:
Basic	27,130	27,130
Diluted	27,130	27,130