CONCENTRATIONS, SIGNIFICANT CUSTOMERS, COMMITMENTS AND CONTINGENCIES (Details) - Customer concentration risk	3 Months Ended	9 Months Ended
	Sep. 30, 2016	Sep. 30, 2016	Sep. 30, 2015
Revenues | Customer 1
Revenue, Major Customer [Line Items]
Concentration percentage	24.00%	21.00%
Revenues | Customer 2
Revenue, Major Customer [Line Items]
Concentration percentage	12.00%	2.00%
Revenues | Customer 3
Revenue, Major Customer [Line Items]
Concentration percentage	9.00%	17.00%
Receivables | Customer 1
Revenue, Major Customer [Line Items]
Concentration percentage	10.00%	13.00%
Receivables | Customer 2
Revenue, Major Customer [Line Items]
Concentration percentage	5.00%	3.00%
Receivables | Customer 3
Revenue, Major Customer [Line Items]
Concentration percentage	4.00%	14.00%
Black Oil | Revenues | Customer 1
Revenue, Major Customer [Line Items]
Concentration percentage		100.00%	100.00%
Black Oil | Revenues | Customer 2
Revenue, Major Customer [Line Items]
Concentration percentage		100.00%	100.00%
Black Oil | Revenues | Customer 3
Revenue, Major Customer [Line Items]
Concentration percentage		100.00%	42.00%
Refining | Revenues | Customer 1
Revenue, Major Customer [Line Items]
Concentration percentage		0.00%	0.00%
Refining | Revenues | Customer 2
Revenue, Major Customer [Line Items]
Concentration percentage		0.00%	0.00%
Refining | Revenues | Customer 3
Revenue, Major Customer [Line Items]
Concentration percentage		0.00%	58.00%
Recovery | Revenues | Customer 1
Revenue, Major Customer [Line Items]
Concentration percentage		0.00%	0.00%
Recovery | Revenues | Customer 2
Revenue, Major Customer [Line Items]
Concentration percentage		0.00%	0.00%
Recovery | Revenues | Customer 3
Revenue, Major Customer [Line Items]
Concentration percentage		0.00%	0.00%