CONCENTRATIONS, SIGNIFICANT CUSTOMERS, COMMITMENTS AND CONTINGENCIES (Details) - Customer concentration risk	3 Months Ended	9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
Revenues | Customer 1
Revenue, Major Customer [Line Items]
Concentration percentage	21.00%	9.00%
Revenues | Customer 2
Revenue, Major Customer [Line Items]
Concentration percentage	17.00%	13.00%
Revenues | Customer 3
Revenue, Major Customer [Line Items]
Concentration percentage	8.00%	7.00%
Revenues | Customer 4
Revenue, Major Customer [Line Items]
Concentration percentage	7.00%	10.00%
Revenues | Customer 5
Revenue, Major Customer [Line Items]
Concentration percentage	0.00%	28.00%
Revenues | Customer 6
Revenue, Major Customer [Line Items]
Concentration percentage	2.00%	2.00%
Receivables | Customer 1
Revenue, Major Customer [Line Items]
Concentration percentage	1.00%	47.00%
Receivables | Customer 2
Revenue, Major Customer [Line Items]
Concentration percentage	14.00%	8.00%
Receivables | Customer 3
Revenue, Major Customer [Line Items]
Concentration percentage	6.00%	12.00%
Receivables | Customer 4
Revenue, Major Customer [Line Items]
Concentration percentage	0.00%	0.00%
Receivables | Customer 5
Revenue, Major Customer [Line Items]
Concentration percentage	0.00%	0.00%
Receivables | Customer 6
Revenue, Major Customer [Line Items]
Concentration percentage	3.00%	11.00%
Black Oil | Revenues | Customer 1
Revenue, Major Customer [Line Items]
Concentration percentage	100.00%	98.00%
Black Oil | Revenues | Customer 2
Revenue, Major Customer [Line Items]
Concentration percentage	58.00%	21.00%
Black Oil | Revenues | Customer 3
Revenue, Major Customer [Line Items]
Concentration percentage	0.00%	0.00%
Black Oil | Revenues | Customer 4
Revenue, Major Customer [Line Items]
Concentration percentage	0.00%	0.00%
Black Oil | Revenues | Customer 5
Revenue, Major Customer [Line Items]
Concentration percentage	100.00%	100.00%
Black Oil | Revenues | Customer 6
Revenue, Major Customer [Line Items]
Concentration percentage	100.00%	100.00%
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	42.00%	79.00%
Refining | Revenues | Customer 3
Revenue, Major Customer [Line Items]
Concentration percentage	100.00%	100.00%
Refining | Revenues | Customer 4
Revenue, Major Customer [Line Items]
Concentration percentage	100.00%	100.00%
Refining | Revenues | Customer 5
Revenue, Major Customer [Line Items]
Concentration percentage	0.00%	0.00%
Refining | Revenues | Customer 6
Revenue, Major Customer [Line Items]
Concentration percentage	0.00%	0.00%
Recovery | Revenues | Customer 1
Revenue, Major Customer [Line Items]
Concentration percentage	0.00%	2.00%
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%
Recovery | Revenues | Customer 4
Revenue, Major Customer [Line Items]
Concentration percentage	0.00%	0.00%
Recovery | Revenues | Customer 5
Revenue, Major Customer [Line Items]
Concentration percentage	0.00%	0.00%
Recovery | Revenues | Customer 6
Revenue, Major Customer [Line Items]
Concentration percentage	0.00%	0.00%