CONDENSED STATEMENTS OF OPERATIONS - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
STATEMENTS OF OPERATIONS [Abstract]
Operating revenues	$ 4,450,017	$ 4,248,179	$ 8,788,220	$ 8,381,081
Operating expenses:
Data and product costs	1,715,574	1,573,686	3,473,486	3,201,472
Selling, general and administrative expenses	2,342,699	2,190,382	4,633,801	4,391,174
Depreciation and amortization	107,000	66,503	201,209	131,016
Total operating expenses	4,165,273	3,830,571	8,308,496	7,723,662
Income from operations	284,744	417,608	479,724	657,419
Other income	11,090	246	11,787	3,494
Income before income taxes	295,834	417,854	491,511	660,913
Provision for income taxes	(83,166)	(95,146)	(127,722)	(150,491)
Net income	$ 212,668	$ 322,708	$ 363,789	$ 510,422
Net income per share - Basic (in dollars per share)	$ 0.02	$ 0.03	$ 0.03	$ 0.05
Net income per share - Diluted (in dollars per share)	$ 0.02	$ 0.03	$ 0.03	$ 0.05
Weighted average number of common shares outstanding - Basic (in shares)	10,722,401	10,722,401	10,722,401	10,722,401
Weighted average number of common shares outstanding - Diluted (in shares)	10,775,373	10,792,744	10,761,851	10,779,726