Consolidated Statements of Operations (Unaudited) - USD ($)	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Revenues:
Total revenue	$ 950,200	$ 860,200
Cost of revenue:
Total cost of revenue	77,400	44,200
Gross profit	872,800	816,000
Operating expenses:
Selling and marketing	123,100	143,000
General and administrative	204,900	214,700
Research and development	382,700	363,100
Total operating expenses	710,700	720,800
Income from operations	162,100	95,200
Other income (loss):
Unrealized loss in marketable securities	(55,600)	14,200
Interest and other income		269,800
Other income (loss)	(55,600)	284,000
Income before provision for income taxes	106,500	379,200
Provision for income taxes
Net income	$ 106,500	$ 379,200
Net income per share, basic	$ 0.01	$ 0.02
Net income per share, diluted	$ 0.01	$ 0.02
Weighted average number of common shares outstanding
Basic	18,850,675	18,850,675
Diluted	19,093,118	19,093,609
License [Member]
Revenues:
Total revenue	$ 181,500	$ 199,400
Technology Service [Member]
Revenues:
Total revenue	747,700	639,300
Service, Other [Member]
Revenues:
Total revenue	21,000	21,500
Service [Member]
Cost of revenue:
Total cost of revenue	13,500	13,500
Product [Member]
Cost of revenue:
Total cost of revenue	$ 63,900	$ 30,700