Consolidated Statements of Operations - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Net revenues:
Revenue	$ 10,785	$ 9,070
Costs and expenses:
Cost of sales	9,884	7,506
Selling, general and administrative expenses	6,516	4,963
Total cost of sales and SG&A	16,400	12,469
Operating loss	(5,615)	(3,399)
Other income:
Settlement of litigation	0	3,100
Interest income, net	887	1,155
(Loss) income before income taxes	(4,728)	856
Provision for income taxes	3	90
Net (loss) income	$ (4,731)	$ 766
Basic (loss) income per share (in dollars per share)	$ (0.22)	$ 0.04
Diluted (loss) income per share (in dollars per share)	$ (0.22)	$ 0.04
Weighted average shares outstanding
Basic (in shares)	21,042,652	21,042,652
Diluted (in shares)	21,042,652	21,042,652
Product [Member]
Net revenues:
Revenue	$ 10,449	$ 8,677
License [Member]
Net revenues:
Revenue	336	218
Royalty [Member]
Net revenues:
Revenue	$ 0	$ 175