Consolidated Statements of Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Income Statement [Abstract]
Revenues	$ 12,628	$ 12,059
Cost of services	3,395	3,025
Gross profit	9,233	9,034
Operating costs and expenses:
General and administrative	3,384	3,185
Sales and marketing	2,604	2,601
Product development	763	404
Depreciation and amortization	454	909
Total operating costs and expenses	7,205	7,099
Operating income	2,028	1,935
Other income (expense):
Other income (expense), net	(24)	80
Interest income (expense), net	(2)	4
Total other income (expense)	(26)	84
Income before taxes	2,002	2,019
Income tax expense	131	464
Net income	$ 1,871	$ 1,555
Income per share - basic	$ 0.63	$ 0.55
Income per share - diluted	$ 0.62	$ 0.54
Weighted average number of common shares outstanding - basic	2,947,000	2,820,000
Weighted average number of common shares outstanding - diluted	3,033,000	2,903,000