CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) - USD ($) shares in Thousands	3 Months Ended		6 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Net revenues:
Net revenues	$ 1,859,000	$ 2,271,000	$ 3,911,000	$ 3,565,000
Costs and expenses:
Cost of sales	1,351,000	1,747,000	2,960,000	2,765,000
Selling, general and administrative expenses	1,363,000	1,564,000	2,727,000	3,041,000
Total costs and expenses	2,714,000	3,311,000	5,687,000	5,806,000
Operating loss	(855,000)	(1,040,000)	(1,776,000)	(2,241,000)
Other income:
Interest income, net	16,000	28,000	33,000	110,000
Income from governmental assistance programs	207,000	55,000	207,000	55,000
Loss before income taxes	(632,000)	(957,000)	(1,536,000)	(2,076,000)
Provision (benefit) for income tax expense		(1,000)	11,000	5,300
Net loss	$ (632,000)	$ (956,000)	$ (1,547,000)	$ (2,081,000)
Basic loss per share	$ (0.03)	$ (0.05)	$ (0.07)	$ (0.10)
Diluted loss per share	$ (0.03)	$ (0.05)	$ (0.07)	$ (0.10)
Weighted average shares outstanding
Basic	21,043	21,043	21,043	21,043
Diluted	21,043	21,043	21,043	21,043
Net Product Sales
Net revenues:
Net revenues	$ 1,794,000	$ 2,211,000	$ 3,781,000	$ 3,445,000
Licensing Revenue
Net revenues:
Net revenues	$ 65,000	$ 60,000	$ 130,000	$ 120,000