DISPOSITION - Additional Information (Details)			12 Months Ended
	Jan. 29, 2016 shares	Jan. 28, 2016 USD ($) a shares	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Gain on Sale			$ 9,631,712	$ 13,944
Bango Plant | Discontinued Operations, Disposed of by Sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Area of land oil re-refining plant is located | a		40
Aggregate purchase price		$ 35,000,000
Gain on Sale		9,748,561
Cash placed in escrow		1,500,000
Equity interest issued or issuable placed in escrow		$ 1,000,000
Shares placed in escrow (shares) | shares	1,108,928	1,108,928
Percentage of equity interest issued or issuable to be released		50.00%
Release of the remaining equity interest from escrow, period		18 months
Equity interest issued or issuable required to be maintained in escrow		$ 1,000,000
Secured debt
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Proceed used to repay credit agreement		16,100,000
Bango Oil, LLC
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Acquisition, cash paid		9,300,000
Aggregate indemnification cap		3,000,000
Equipment leases
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Payments to acquire leased equipment		$ 1,500,000