Condensed Consolidated Statements of Operations (Unaudited) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Income Statement [Abstract]
Revenues	$ 2,550,441	$ 2,890,060	$ 5,361,185	$ 6,118,691
Operating expenses:
Cost of services	1,854,406	2,034,439	3,722,351	4,189,222
Selling, general and administrative:
Stock-based compensation	217,759	283,747	425,679	571,436
Other expenses	799,740	801,540	1,628,012	1,409,889
Depreciation and amortization	227,273	225,554	455,818	449,777
Total operating expenses	3,099,178	3,345,280	6,231,860	6,620,324
Operating income (loss)	(548,737)	(455,220)	(870,675)	(501,633)
Other income and (expense):
Interest income	38,730	24,974	72,546	46,985
Other income (expense)	(2,653)	98,279	(1,114)	97,679
Total other income and (expense), net	36,077	123,253	71,432	144,664
Income (loss) before income taxes	(512,660)	(331,967)	(799,243)	(356,969)
Income taxes	21,677	23,334	21,677	30,334
Net income (loss)	$ (534,337)	$ (355,301)	$ (820,920)	$ (387,303)
Basic earnings per common share (in dollars per share)	$ (0.06)	$ (0.05)	$ (0.10)	$ (0.05)
Diluted earnings per common share (in dollars per share)	$ (0.06)	$ (0.05)	$ (0.10)	$ (0.05)
Weighted average common shares outstanding
Basic (in shares)	8,471,494	7,738,759	8,478,339	7,729,003
Diluted (in shares)	8,471,494	7,738,759	8,478,339	7,729,003