Consolidated Statements of Operations (Unaudited) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Revenues:
Total revenue	$ 919,400	$ 894,600	$ 2,678,700	$ 2,805,300
Cost of revenue:
Total cost of revenue	36,100	42,500	125,800	118,000
Gross profit	883,300	852,100	2,552,900	2,687,300
Operating expenses:
Selling and marketing	152,000	140,300	448,100	396,200
General and administrative	162,400	196,100	576,800	664,600
Research and development	354,300	355,700	1,081,900	1,076,600
Total operating expenses	668,700	692,100	2,106,800	2,137,400
Income from operations	214,600	160,000	446,100	549,900
Other income:
Unrealized gain in marketable securities	146,800		173,400
Other income			269,800	46,900
Income before provision for income taxes	361,400	160,000	889,300	596,800
Provision for income taxes		2,500		7,500
Net income	$ 361,400	$ 157,500	$ 889,300	$ 589,300
Net income per share, basic	$ 0.02	$ 0.01	$ 0.05	$ 0.05
Net income per share, diluted	$ 0.02	$ 0.01	$ 0.05	$ 0.05
Weighted average number of common shares outstanding
Basic	18,850,675	15,242,128	18,850,675	12,216,478
Diluted	19,092,182	15,713,640	19,092,981	12,687,990
License [Member]
Revenues:
Total revenue	$ 167,600	$ 233,400	$ 541,800	$ 685,200
Technology Service [Member]
Revenues:
Total revenue	730,100	639,600	2,072,100	1,825,500
Service, Other [Member]
Revenues:
Total revenue	21,700	21,600	64,800	294,600
Service [Member]
Cost of revenue:
Total cost of revenue	13,500	13,200	40,500	39,500
Product [Member]
Cost of revenue:
Total cost of revenue	$ 22,600	$ 29,300	$ 85,300	$ 78,500