Statements of Comprehensive Income - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Revenues
Licenses, royalties and fees	$ 809,900	$ 744,000
Product and other sales	1,142,000	1,914,700
Total revenues	1,951,900	2,658,700
Cost of revenues
Licenses, royalties and fees	168,000	223,800
Product and other sales	570,100	899,900
Total cost of revenues	738,100	1,123,700
Gross profit	1,213,800	1,535,000
Operating expenses
Research and development	181,500	173,500
Sales and marketing	287,700	356,400
General and administrative	719,400	526,100
Total operating expenses	1,188,600	1,056,000
Net income from operations	25,200	479,000
Other income (expenses)
Interest income	20,700	18,200
Interest expense and bank charges	(2,200)	(6,900)
Total other income (expenses)	18,500	11,300
Net income before income taxes	43,700	490,300
Income taxes	(5,700)	(18,100)
Net income	$ 49,400	$ 508,400
Net income per common share
Basic	$ 0.00	$ 0.01
Diluted	$ 0.00	$ 0.01
Weighted average common shares outstanding
Basic	67,436,153	64,052,777
Diluted	67,436,153	64,172,276