STATEMENTS OF OPERATIONS - USD ($)	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
STATEMENTS OF OPERATIONS [Abstract]
Operating revenues	$ 13,385,068	$ 12,814,390
Operating expenses:
Data and product costs	5,426,779	4,944,053
Selling, general and administrative expenses	8,044,256	7,495,742
Depreciation and amortization	191,960	200,136
Total operating expenses	13,662,995	12,639,931
Income (loss) from operations	(277,927)	174,459
Other income, net	47,216	27,183
Income (loss) before income taxes	(230,711)	201,642
Benefit (provision) for income taxes	242,781	(149,199)
Net income	$ 12,070	$ 52,443
Net income per share:
Basic (in dollars per share)	$ 0	$ 0
Diluted (in dollars per share)	$ 0	$ 0