CONCENTRATIONS, SIGNIFICANT CUSTOMERS, COMMITMENTS AND CONTINGENCIES (Details) - Customer Concentration Risk	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Revenue | Customer 1
Revenue, Major Customer [Line Items]
Concentration, percentage	19.00%	24.00%
Revenue | Customer 2
Revenue, Major Customer [Line Items]
Concentration, percentage	11.00%	2.00%
Revenue | Customer 3
Revenue, Major Customer [Line Items]
Concentration, percentage	9.00%	15.00%
Revenue | Customer 4
Revenue, Major Customer [Line Items]
Concentration, percentage	8.00%	8.00%
Revenue | Customer 5
Revenue, Major Customer [Line Items]
Concentration, percentage	5.00%	1.00%
Receivables | Customer 1
Revenue, Major Customer [Line Items]
Concentration, percentage	0.00%	11.00%
Receivables | Customer 2
Revenue, Major Customer [Line Items]
Concentration, percentage	10.00%	2.00%
Receivables | Customer 3
Revenue, Major Customer [Line Items]
Concentration, percentage	9.00%	2.00%
Receivables | Customer 4
Revenue, Major Customer [Line Items]
Concentration, percentage	4.00%	16.00%
Receivables | Customer 5
Revenue, Major Customer [Line Items]
Concentration, percentage	10.00%	0.00%
Black Oil | Revenue | Customer 1
Revenue, Major Customer [Line Items]
Concentration, percentage	100.00%	100.00%
Black Oil | Revenue | Customer 2
Revenue, Major Customer [Line Items]
Concentration, percentage	100.00%	100.00%
Black Oil | Revenue | Customer 3
Revenue, Major Customer [Line Items]
Concentration, percentage	100.00%	60.00%
Black Oil | Revenue | Customer 4
Revenue, Major Customer [Line Items]
Concentration, percentage	0.00%	0.00%
Black Oil | Revenue | Customer 5
Revenue, Major Customer [Line Items]
Concentration, percentage	0.00%	0.00%
Refining | Revenue | Customer 1
Revenue, Major Customer [Line Items]
Concentration, percentage	0.00%	0.00%
Refining | Revenue | Customer 2
Revenue, Major Customer [Line Items]
Concentration, percentage	0.00%	0.00%
Refining | Revenue | Customer 3
Revenue, Major Customer [Line Items]
Concentration, percentage	0.00%	40.00%
Refining | Revenue | Customer 4
Revenue, Major Customer [Line Items]
Concentration, percentage	100.00%	100.00%
Refining | Revenue | Customer 5
Revenue, Major Customer [Line Items]
Concentration, percentage	0.00%	0.00%
Recovery | Revenue | Customer 1
Revenue, Major Customer [Line Items]
Concentration, percentage	0.00%	0.00%
Recovery | Revenue | Customer 2
Revenue, Major Customer [Line Items]
Concentration, percentage	0.00%	0.00%
Recovery | Revenue | Customer 3
Revenue, Major Customer [Line Items]
Concentration, percentage	0.00%	0.00%
Recovery | Revenue | Customer 4
Revenue, Major Customer [Line Items]
Concentration, percentage	0.00%	0.00%
Recovery | Revenue | Customer 5
Revenue, Major Customer [Line Items]
Concentration, percentage	100.00%	100.00%