Statements of Comprehensive Income (Loss) (unaudited) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Revenues
Licenses, royalties and fees	$ 136,900	$ 448,600	$ 410,100	$ 755,700
Product and other sales	438,200	237,300	1,356,300	783,900
Total revenues	575,100	685,900	1,766,400	1,539,600
Cost of revenues
Licenses, royalties and fees	62,700	44,500	171,200	130,400
Product and other sales	247,300	147,900	648,300	429,400
Total cost of revenues	310,000	192,400	819,500	559,800
Gross profit	265,100	493,500	946,900	979,800
Operating expenses
Research and development	39,800	23,900	119,900	95,900
Sales and marketing	71,200	88,900	218,600	230,400
General and administrative	833,800	180,200	1,258,300	964,600
Total operating expenses	944,800	293,000	1,596,800	1,290,900
Net income (loss) from operations	(679,700)	200,500	(649,900)	(311,100)
Other income (expenses)
Interest income	69,800	6,500	192,300	18,400
Interest expense and bank charges	(4,000)	(500)	(9,000)	(1,200)
Total other income (expenses)	65,800	6,000	183,300	17,200
Net income (loss) before income taxes	(613,900)	206,500	(466,600)	(293,900)
Income taxes	(160,600)	0	(122,700)	0
Net income (loss)	$ (453,300)	$ 206,500	$ (343,900)	$ (293,900)
Net income (loss) per common share
Basic	$ (0.05)	$ 0.03	$ (0.04)	$ (0.04)
Diluted	$ (0.05)	$ 0.03	$ (0.04)	$ (0.04)
Weighted average common shares outstanding
Basic	9,667,845	7,584,512	9,390,067	7,028,956
Diluted	9,667,845	7,584,512	9,390,067	7,028,956