CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (UNAUDITED) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Income Statement [Abstract]
Revenue	$ 46,157,414	$ 43,567,822	$ 138,771,985	$ 125,906,645
Cost of revenue	42,562,397	40,049,271	128,036,082	115,685,809
Gross profit	3,595,017	3,518,551	10,735,903	10,220,836
Operating expenses:
Selling, general, and administrative	4,923,283	4,110,442	14,215,944	11,793,700
Depreciation and amortization	1,013,225	989,105	3,039,653	2,940,576
Total operating expenses	5,936,508	5,099,547	17,255,597	14,734,276
Operating loss	(2,341,491)	(1,580,996)	(6,519,694)	(4,513,440)
Other expense:
Interest expense	(62,345)	(72,758)	(176,207)	(163,591)
Total other expense	(62,345)	(72,758)	(176,207)	(163,591)
Loss before taxes	(2,403,836)	(1,653,754)	(6,695,901)	(4,677,031)
Net loss	(2,403,836)	(1,653,754)	(6,695,901)	(4,677,031)
Net loss applicable to common stockholders	$ (2,403,836)	$ (1,653,754)	$ (6,695,901)	$ (4,677,031)
Net loss per share
Basic and diluted	$ (0.16)	$ (0.12)	$ (0.46)	$ (0.34)
Weighted average number of common shares outstanding, given retroactive effect to the 1-for-8 reverse stock split effective August 10, 2016
Basic and diluted	14,853,675	13,964,367	14,559,874	13,959,180