CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Jun. 30, 2019	Jun. 30, 2018
Net revenues:
Net revenues	$ 1,613	$ 2,263
Costs and expenses:
Cost of sales	1,748	2,211
Other operating costs and expenses	1	12
Selling, general and administrative expenses	1,083	1,017
Total costs and expenses	2,832	3,240
Operating (loss)	(1,219)	(977)
Other income:
Interest income, net	237	175
(Loss) before income taxes	(982)	(802)
Provision for income tax expense	5	48
Net (loss)	$ (987)	$ (850)
Basic (loss) per share	$ (0.05)	$ (0.04)
Diluted (loss) per share	$ (0.05)	$ (0.04)
Weighted average shares outstanding
Basic	21,043	22,625
Diluted	21,043	22,625
Net Product Sales
Net revenues:
Net revenues	$ 1,558	$ 2,145
Licensing Revenue
Net revenues:
Net revenues	$ 55	$ 118