STATEMENTS OF OPERATIONS (Unaudited) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
STATEMENTS OF OPERATIONS (Unaudited) [Abstract]
Operating revenues	$ 3,673,241	$ 3,481,359	$ 10,736,581	$ 10,331,106
Operating expenses:
Data and product costs	1,421,290	1,416,783	4,316,780	4,314,468
Selling, general and administrative expenses	1,962,150	2,060,322	6,277,294	6,398,936
Depreciation and amortization	52,667	49,583	153,701	138,670
Total operating expenses	3,436,107	3,526,688	10,747,775	10,852,074
Income (loss) from operations	237,134	(45,329)	(11,194)	(520,968)
Other income, net	40,223	36,710	124,322	88,354
Income (loss) before income taxes	277,357	(8,619)	113,128	(432,614)
Benefit (provision) for income taxes	(73,767)	(2,527)	(57,536)	79,195
Net income (loss)	$ 203,590	$ (11,146)	$ 55,592	$ (353,419)
Net income (loss) per share - Basic and diluted (in dollars per share)	$ 0.02	$ 0	$ 0.01	$ (0.03)
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)	10,722,401	10,722,401	10,725,252	10,722,401