SEGMENT REPORTING (Details) - USD ($)	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Segment Reporting Information [Line Items]
Revenues	$ 145,499,092	$ 98,078,914
Net income (loss) from operations	(6,223,087)	(10,112,514)
Total assets	84,305,474	86,985,968
Operating Segments | Black Oil
Segment Reporting Information [Line Items]
Revenues	107,988,551	76,634,940
Net income (loss) from operations	(5,678,768)	(8,849,055)
Total assets	75,709,845	80,774,533
Operating Segments | Refining and Marketing
Segment Reporting Information [Line Items]
Revenues	20,097,325	13,154,777
Net income (loss) from operations	(1,195,946)	(402,317)
Total assets	3,454,010	1,573,395
Operating Segments | Recovery
Segment Reporting Information [Line Items]
Revenues	17,413,216	8,289,197
Net income (loss) from operations	651,627	(861,142)
Total assets	$ 5,141,619	$ 4,638,040