SEGMENT REPORTING (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Segment Reporting Information [Line Items]
Revenues	$ 36,912,779	$ 24,428,444	$ 71,683,393	$ 38,561,048
Income (loss) from operations	(1,578,747)	(1,008,167)	(4,339,584)	(8,385,638)
Operating segments | Black Oil
Segment Reporting Information [Line Items]
Revenues	27,384,402	19,836,390	52,188,485	29,969,884
Income (loss) from operations	(1,377,717)	(812,262)	(4,047,821)	(7,795,446)
Operating segments | Refining & Marketing
Segment Reporting Information [Line Items]
Revenues	5,186,358	2,923,481	10,580,399	5,549,936
Income (loss) from operations	(248,006)	47,336	(232,300)	(228,968)
Operating segments | Recovery
Segment Reporting Information [Line Items]
Revenues	4,342,019	1,668,573	8,914,509	3,041,228
Income (loss) from operations	$ 46,976	$ (243,241)	$ (59,463)	$ (361,224)