CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2019	Dec. 31, 2018
Net revenues:
Net revenues	$ 2,094	$ 2,541	$ 5,142	$ 7,390
Costs and expenses:
Cost of sales	2,105	2,360	5,404	7,025
Selling, general and administrative expenses	1,152	948	3,208	2,883
Total costs and expenses	3,257	3,308	8,612	9,908
Operating (loss)	(1,163)	(767)	(3,470)	(2,518)
Other income:
Interest income, net	179	240	638	617
(Loss) before income taxes	(984)	(527)	(2,832)	(1,901)
Provision for income tax expense	4	2	19	73
Net (loss)	$ (988)	$ (529)	$ (2,851)	$ (1,974)
Basic (loss) per share	$ (0.05)	$ (0.02)	$ (0.14)	$ (0.09)
Diluted (loss) per share	$ (0.05)	$ (0.02)	$ (0.14)	$ (0.09)
Weighted average shares outstanding
Basic	21,043	21,637	21,043	22,221
Diluted	21,043	21,637	21,043	22,221
Net Product Sales
Net revenues:
Net revenues	$ 2,038	$ 2,421	$ 4,975	$ 7,040
Licensing Revenue
Net revenues:
Net revenues	$ 56	$ 120	$ 167	$ 350