CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) - USD ($) shares in Thousands	3 Months Ended		9 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2020	Dec. 31, 2019
Net revenues:
Net revenues	$ 2,333,000	$ 2,094,000	$ 5,898,000	$ 5,142,000
Costs and expenses:
Cost of sales	1,754,000	1,653,000	4,519,000	4,180,000
Selling, general and administrative expenses	1,560,000	1,604,000	4,601,000	4,432,000
Total costs and expenses	3,314,000	3,257,000	9,120,000	8,612,000
Operating loss	(981,000)	(1,163,000)	(3,222,000)	(3,470,000)
Other income:
Interest income, net	18,000	179,000	128,000	638,000
Income from governmental assistance programs	28,000		83,000
Loss before income taxes	(935,000)	(984,000)	(3,011,000)	(2,832,000)
Provision for income tax expense	10,000	4,000	15,000	19,000
Net loss	$ (945,000)	$ (988,000)	$ (3,026,000)	$ (2,851,000)
Basic loss per share	$ (0.04)	$ (0.05)	$ (0.14)	$ (0.14)
Diluted loss per share	$ (0.04)	$ (0.05)	$ (0.14)	$ (0.14)
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	$ 2,273,000	$ 2,038,000	$ 5,718,000	$ 4,975,000
Licensing Revenue
Net revenues:
Net revenues	$ 60,000	$ 56,000	$ 180,000	$ 167,000