Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
OPERATING ACTIVITIES
Net income (loss)	$ (2,357,824)	$ (1,648,191)	$ (5,814,044)	$ (370,822)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization	1,602,901	1,489,352	4,968,493	4,252,124
(Gain) loss on disposal of equipment			(233,473)	1,071
Deferred income taxes	(1,264,375)	(1,178,098)	(3,073,082)	(368,933)
Stock-based compensation	175,954	170,972	493,458	442,243
Stock issued for services			1,714
Amortization of debt issuance costs	39,123	32,265	113,816	90,048
Bad debt expense	58,953	8,205	145,902	21,050
Changes in operating assets and liabilities
Accounts receivable	(726,901)	657,071	3,520,841	11,446,199
Inventories	(4,451)	(19,733)	(54,285)	65,503
Prepaid expense and other current assets	190,956	(263,144)	155,926	278,560
Income taxes receivable		(62,091)	(1,400)	(191,697)
Other assets	26,249	14,849	26,249	14,849
Accounts payable and accrued liabilities	624,521	958,066	(245,737)	(2,806,459)
Net cash provided by (used in) operating activities	(1,634,894)	159,523	4,378	12,873,736
INVESTING ACTIVITIES
Purchases of property and equipment	(232,010)	(429,623)	(4,804,328)	(3,574,725)
Proceeds from disposal of equipment			321,725	5,000
Net cash provided by (used in) investing activities	(232,010)	(429,623)	(4,482,603)	(3,569,725)
FINANCING ACTIVITIES
Net line of credit borrowings (payments)	2,117,214	376,522	4,612,343	(9,704,621)
Repayment on long-term debt	(36,221)	(34,703)	(107,580)	(202,562)
Payment of debt issuance costs		(100,000)	(50,000)	(100,000)
Proceeds from exercise of warrants				77,100
Proceeds from exercise of stock options		12,250		198,285
Excess tax benefits from exercise of options and warrants		3,109		221,229
Net cash provided by (used in) financing activities	2,080,993	257,178	4,454,763	(9,510,569)
Net Increase (Decrease) in Cash and Cash Equivalents	214,089	(12,922)	(23,462)	(206,558)
Cash and Cash Equivalents, Beginning of Period	567,186	760,422	804,737	954,058
Cash and Cash Equivalents, End of Period	781,275	747,500	781,275	747,500
Supplemental cash flow information:
Cash paid for interest	574,076	219,192	1,194,908	841,252
Cash paid for taxes	13,074	2,362	14,474	9,236
Supplemental Disclosure of Non-cash Investing and Financing Activities:
Cashless exercise of stock options and warrants				$ 2,751