Condensed Consolidated Statements of Operations (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2024	Jun. 30, 2023
Net revenues:
Revenue	$ 2,198	$ 1,809
Costs and expenses:
Cost of sales	2,004	1,470
Selling, general and administrative expenses	1,416	1,198
Total cost of sales and SG&A	3,420	2,668
Operating loss	(1,222)	(859)
Other income:
Interest income, net	263	294
Loss before income taxes	(959)	(565)
Provision for income tax expense	3	0
Net loss	$ (962)	$ (565)
Basic loss per share (in dollars per share)	$ (0.05)	$ (0.03)
Diluted loss per share (in dollars per share)	$ (0.05)	$ (0.03)
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	$ 2,129	$ 1,732
License [Member]
Net revenues:
Revenue	$ 69	$ 77