Consolidated Statements of Operations (Unaudited) - USD ($)	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Revenues:
Total revenue	$ 1,043,100	$ 950,200
Cost of revenue:
Total cost of revenue	75,800	77,400
Gross profit	967,300	872,800
Operating expenses:
Selling and marketing	310,900	123,100
General and administrative	245,100	204,900
Research and development	396,600	382,700
Total operating expenses	952,600	710,700
Income from operations	14,700	162,100
Other income (loss):
Realized gain (loss) in marketable securities	17,700	(55,600)
Interest and other income	2,200
Other income (loss)	19,900	(55,600)
Income before provision for income taxes	34,600	106,500
Provision for income taxes
Net income	$ 34,600	$ 106,500
Net income per share, basic	$ 0.00	$ 0.01
Net income per share, diluted	$ 0.00	$ 0.01
Weighted average number of common shares outstanding
Basic	18,826,342	18,850,675
Diluted	19,068,916	19,093,118
License [Member]
Revenues:
Total revenue	$ 138,200	$ 181,500
Technology Service [Member]
Revenues:
Total revenue	883,900	747,700
Service, Other [Member]
Revenues:
Total revenue	21,000	21,000
Service [Member]
Cost of revenue:
Total cost of revenue	17,900	13,500
Product [Member]
Cost of revenue:
Total cost of revenue	$ 57,900	$ 63,900