Condensed Consolidated Statements of Operations (Unaudited) - USD ($)	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Income Statement [Abstract]
Revenues	$ 6,588,032	$ 5,843,665
Cost of services	5,252,301	4,572,758
Gross profit	1,335,731	1,270,907
Selling, general and administrative:
Stock-based compensation	283,408	374,378
Other expenses	1,661,739	1,498,651
Depreciation and amortization	486,548	458,663
Total selling, general and administrative expenses	2,431,695	2,331,692
Operating (loss)	(1,095,964)	(1,060,785)
Other income and (expense):
Interest income	23,074	11,521
Other income (expense)	1	(1,542)
Other income and (expense), net	23,075	9,979
(Loss) before income taxes	(1,072,889)	(1,050,806)
Income taxes	0	0
Net (loss)	$ (1,072,889)	$ (1,050,806)
Basic (loss) per common share (in dollars per share)	$ (0.09)	$ (0.09)
Diluted (loss) per common share (in dollars per share)	$ (0.09)	$ (0.09)
Weighted average common shares outstanding
Basic (in shares)	12,621,857	12,026,622
Diluted (in shares)	12,621,857	12,026,622