Condensed Consolidated Statements of Operations - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Income Statement [Abstract]
Revenues	$ 7,087,732	$ 6,473,743	$ 20,833,143	$ 18,601,283
Cost of services	5,539,314	5,014,603	16,383,149	14,551,621
Gross profit	1,548,418	1,459,140	4,449,994	4,049,662
Selling, general and administrative:
Stock-based compensation	315,259	289,038	954,770	961,893
Other expenses	1,969,877	1,519,793	5,602,171	4,613,720
Depreciation and amortization	491,749	473,225	1,475,291	1,389,164
Total selling, general and administrative expenses	2,776,885	2,282,056	8,032,232	6,964,777
Operating (loss)	(1,228,467)	(822,916)	(3,582,238)	(2,915,115)
Other income and (expense):
Interest income	20,781	23,327	66,475	50,244
Other income (expense)	608	1,423	185	(539)
Other income and (expense), net	21,389	24,750	66,660	49,705
(Loss) before income taxes	(1,207,078)	(798,166)	(3,515,578)	(2,865,410)
Income taxes	31,956	15,000	71,956	34,000
Net (loss)	$ (1,239,034)	$ (813,166)	$ (3,587,534)	$ (2,899,410)
Basic (loss) per common share (in dollars per share)	$ (0.09)	$ (0.07)	$ (0.28)	$ (0.24)
Diluted (loss) per common share (in dollars per share)	$ (0.09)	$ (0.07)	$ (0.28)	$ (0.24)
Weighted average common shares outstanding
Basic (in shares)	13,054,962	12,145,323	12,906,206	12,098,828
Diluted (in shares)	13,054,962	12,145,323	12,906,206	12,098,828