CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Net revenues:
Net revenues	$ 6,293	$ 8,982
Costs and expenses:
Cost of sales	6,755	8,787
Selling, general and administrative expenses	4,164	3,843
Total costs and expenses	10,919	12,630
Operating loss	(4,626)	(3,648)
Other income:
Interest income, net	776	859
Loss before income taxes	(3,850)	(2,789)
Provision (benefit) for income tax expense	457	(352)
Net loss	$ (4,307)	$ (2,437)
Basic loss per share	$ (0.20)	$ (0.11)
Diluted loss per share	$ (0.20)	$ (0.11)
Weighted average shares outstanding
Basic	21,043	21,931
Diluted	21,043	21,931
Net Product Sales
Net revenues:
Net revenues	$ 6,065	$ 8,577
Licensing Revenue
Net revenues:
Net revenues	$ 228	$ 405