Condensed Consolidated Statements of Operations (Unaudited) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Income Statement [Abstract]
Revenues	$ 7,157,379	$ 6,283,875	$ 13,745,411	$ 12,127,540
Cost of services	5,591,534	4,964,260	10,843,835	9,537,018
Gross profit	1,565,845	1,319,615	2,901,576	2,590,522
Selling, general and administrative:
Stock-based compensation	356,103	298,477	639,511	672,855
Other expenses	1,970,555	1,595,276	3,632,294	3,093,927
Depreciation and amortization	496,994	457,276	983,542	915,939
Total selling, general and administrative expenses	2,823,652	2,351,029	5,255,347	4,682,721
Operating (loss)	(1,257,807)	(1,031,414)	(2,353,771)	(2,092,199)
Other income and (expense):
Interest income	22,620	15,396	45,694	26,917
Other income (expense)	(424)	(420)	(423)	(1,962)
Other income and (expense), net	22,196	14,976	45,271	24,955
(Loss) before income taxes	(1,235,611)	(1,016,438)	(2,308,500)	(2,067,244)
Income taxes	40,000	19,000	40,000	19,000
Net (loss)	$ (1,275,611)	$ (1,035,438)	$ (2,348,500)	$ (2,086,244)
Basic (loss) per common share (in dollars per share)	$ (0.10)	$ (0.09)	$ (0.18)	$ (0.17)
Diluted (loss) per common share (in dollars per share)	$ (0.10)	$ (0.09)	$ (0.18)	$ (0.17)
Weighted average common shares outstanding
Basic (in shares)	13,041,799	12,075,580	12,831,828	12,124,538
Diluted (in shares)	13,041,799	12,075,580	12,831,828	12,124,538