SEGMENT REPORTING (Details) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Segment Reporting Information [Line Items]
Revenues	$ 72,079,622	$ 35,111,402	$ 119,429,280	$ 68,366,204
Income (loss) from operations	843,745	2,008,919	1,800,332	3,220,593
Operating segments | Black Oil
Segment Reporting Information [Line Items]
Revenues	48,878,522	19,493,407	72,449,922	42,692,716
Income (loss) from operations	1,116,688	1,091,268	1,137,078	784,537
Operating segments | Refining & Marketing
Segment Reporting Information [Line Items]
Revenues	18,517,819	14,234,204	38,345,278	23,065,950
Income (loss) from operations	768,209	963,842	1,538,784	1,102,197
Operating segments | Recovery
Segment Reporting Information [Line Items]
Revenues	4,683,281	1,383,791	8,634,080	2,607,538
Income (loss) from operations	$ (1,041,152)	$ (46,191)	$ (875,530)	$ 1,333,859