CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Cash flows from operating activities
Net loss	$ (22,516,889)	$ (5,871,642)
Adjustments to reconcile net loss to cash used in operating activities, net of acquisitions:
Stock-based compensation expense	423,911	332,266
Depreciation and amortization	6,636,593	4,277,843
Bad debt expense	654,820	2,013,167
Gain on acquisition	0	(6,948,686)
Deferred federal income tax	5,306,000	0
Inventory impairment charge	0	467,911
Net decrease in fair value of derivative liability	(5,479,463)	0
Reduction in contingent consideration	(6,069,000)	(5,248,588)
Impairment of goodwill	4,922,353	0
Changes in operating assets and liabilities:
Accounts receivable	1,929,871	714,698
Inventory	9,072,305	1,891,932
Prepaid expenses	48,438	(12,586)
Costs in excess of billings	779,285	(779,285)
Accounts payable and accrued expenses	(8,539,803)	7,255,722
Deferred revenue	(139,319)	463,210
Other	0	(81,450)
Net cash used in operating activities	(12,970,898)	(1,525,488)
Cash flows from investing activities
Note receivable	2,495,180	(3,150,000)
Payments on capital leases	(172,654)	0
Net proceeds from the sale of assets	92,271	0
Acquisition, net	(1,082,649)	(31,114,140)
Purchase of fixed assets	(1,811,653)	(5,940,890)
Net cash used in investing activities	(479,505)	(40,205,030)
Cash flows from financing activities
Proceeds from revolving note	94,271,900	0
Payments on revolving note	(92,527,778)	0
Proceeds from exercise of common stock options and warrants	11,306	370,337
Proceeds from Preferred A stock to common stock conversion	0	0
Proceeds from sale of stock	0	17,315,143
Proceeds from preferred Series B stock/share offering	23,557,553	0
Payments on contingent consideration	0	(136,662)
Proceeds from notes payable	2,305,277	41,309,433
Payments made on notes payable	(19,419,567)	(11,337,128)
Debt issuance cost	0	(2,452,157)
Net cash provided by financing activities	8,198,691	45,068,966
Net change in cash and cash equivalents	(5,251,712)	3,338,448
Cash and cash equivalents at beginning of the period	6,017,076	2,678,628
Cash and cash equivalents at end of period	765,364	6,017,076
SUPPLEMENTAL INFORMATION
Cash paid for interest during the year	3,563,145	2,636,690
Cash paid for income taxes during the year	0	122,763
NON-CASH INVESTING AND FINANCING TRANSACTIONS
Dividends accrued for payment in 2016	376,571	0
Stock issued	200,000	0
Heartland Group Holdings, LLC and Omega Refining
NON-CASH INVESTING AND FINANCING TRANSACTIONS
Stock issued	0	9,004,000
Series A Preferred Stock
NON-CASH INVESTING AND FINANCING TRANSACTIONS
Conversion of Preferred Stock into common stock	17	689
Series B Preferred Stock
NON-CASH INVESTING AND FINANCING TRANSACTIONS
Conversion of Preferred Stock into common stock	100,795	0
Dividends accrued for payment in 2016	376,570	0
Dividends paid by stock in kind	402,740	0
Beneficial conversion feature	5,682,741	0
Accretion of discount on Series B Preferred Stock	$ 1,585,843	$ 0