CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited)	6 Months Ended
	Jun. 30, 2019 USD ($)	Jun. 30, 2018 USD ($)
Cash flows from operating activities
Net income (loss)	$ (5,698,760)	$ 453,721
Adjustments to reconcile net income (loss) to cash provided by operating activities
Stock based compensation expense	314,065	329,721
Depreciation and amortization	3,517,903	3,427,175
Gain on sale of assets	(31,443)	(51,523)
Contingent consideration reduction	(15,564)	0
Bad debt recovery	(360,926)	0
Increase in fair value of derivative warrant liability	959,077	(44,162)
Loss on commodity derivative contracts	1,069,778	1,212,087
Net cash settlements on commodity derivatives	(967,708)	(1,393,970)
Amortization of debt discount and deferred costs	286,954	290,746
Changes in operating assets and liabilities
Accounts receivable	(2,111,591)	(1,300,384)
Inventory	2,338,814	(2,156,895)
Prepaid expenses	1,948,771	687,156
Accounts payable	(518,050)	2,575,354
Accrued expenses	(187,349)	(628,120)
Other assets	0	(205,942)
Net cash provided by operating activities	543,971	3,194,964
Cash flows from investing activities
Purchase of fixed assets	(2,419,599)	(1,570,094)
Proceeds from sale of fixed assets	86,846	85,230
Net cash used in investing activities	(2,332,753)	(1,754,687)
Cash flows from financing activities
Payments on finance leases	(61,638)
Payments on finance leases		(10,797)
Proceeds from exercise of stock options	4,500	0
Distribution VRM LA	(285,534)	0
Line of credit (payments) proceeds, net	1,235,251	(816,797)
Proceeds from note payable	187,501	1,667,426
Payments on note payable	(1,542,903)	(1,667,066)
Net cash used in financing activities	(462,823)	(827,234)
Net change in cash, cash equivalents and restricted cash	(2,251,605)	613,043
Cash, cash equivalents, and restricted cash at beginning of the period	2,849,831	1,105,787
Cash, cash equivalents, and restricted cash at end of period	598,226	1,718,830
SUPPLEMENTAL INFORMATION
Cash paid for interest	1,221,363	1,126,362
Cash paid for taxes	0	0
NON-CASH INVESTING AND FINANCING TRANSACTIONS
Accretion of discount on Series B and B1 Preferred Stock	1,093,600	1,198,504
Dividends-in-kind accrued on Series B and B1 Preferred Stock	819,670
Equipment acquired under finance leases	621,000	450,098
Series A Preferred Stock
NON-CASH INVESTING AND FINANCING TRANSACTIONS
Conversion of Preferred Stock into common stock	0	34
Series B Preferred Stock
NON-CASH INVESTING AND FINANCING TRANSACTIONS
Conversion of Preferred Stock into common stock	0	99,629
Dividends-in-kind accrued on Series B and B1 Preferred Stock	172,704
Series B1 Preferred Stock
NON-CASH INVESTING AND FINANCING TRANSACTIONS
Conversion of Preferred Stock into common stock	149,914	987,259
Dividends-in-kind accrued on Series B and B1 Preferred Stock	240,171
SES
Cash flows from investing activities
Acquisition of SES	$ 0	$ 269,823