CONCENTRATIONS, SIGNIFICANT CUSTOMERS, COMMITMENTS AND CONTINGENCIES (Tables)

12 Months Ended

Dec. 31, 2018

Concentrations, Significant Customers, Commitments And Contingencies Disclosure [Abstract]

Schedule of Concentrations

For the years ended December 31, 2018 and 2017, the Company’s revenues and receivables were comprised of the following customer concentrations:

	2018		2017
	% of Revenues	% of Receivables	% of Revenues	% of Receivables
Customer 1	34%	21%	17%	10%
Customer 2	11%	—%	5%	—%
Customer 3	8%	6%	9%	11%
Customer 4	7%	6%	13%	7%
Customer 5	4%	13%	—%	—%
Customer 6	—%	—%	2%	15%
Customer 7	—%	—%	14%	—%

Schedule of Segment Revenues

At December 31, 2018 and 2017, and for the years then ended, the Company's segment revenues were comprised of the following customer concentrations:

	% of Revenue by Segment 2018						% of Revenue by Segment 2017
	Black Oil		Refining		Recovery		Black Oil		Refining		Recovery
Customer 1	100	%	—	%	—	%	100	%	—	%	—	%
Customer 2	100	%	—	%	—	%	100	%	—	%	—	%
Customer 3	—	%	100	%	—	%	—	%	100	%	—	%
Customer 4	100	%	—	%	—	%	100	%	—	%	—	%
Customer 5	100	%	—	%	—	%	100	%	—	%	—	%
Customer 6	100	%	—	%	—	%	100	%	—	%	—	%
Customer 7	100	%	—	%	—	%	100	%	—	%	—	%

The Company’s reportable segments include the Black Oil, Refining and Marketing and Recovery segments.  Segment information for the years ended December 31, 2018 and 2017 are as follows:

YEAR ENDED DECEMBER 31, 2018
	Black Oil			Refining and Marketing			Recovery			Total
Revenues	$	143,836,981		$	22,935,482		$	13,948,198		$	180,720,661
Income (loss) from operations	$	3,561,223		$	(2,250,924	)	$	(821,951	)	$	488,348
Total assets	$	76,540,888		$	1,407,002		$	6,212,518		$	84,160,408
YEAR ENDED DECEMBER 31, 2017
	Black Oil			Refining and Marketing			Recovery			Total
Revenues	$	107,988,551		$	20,097,325		$	17,413,216		$	145,499,092
Income (loss) from operations	$	(6,511,944	)	$	(1,195,946	)	$	651,627		$	(7,056,263	)
Total assets	$	75,709,845		$	3,454,010		$	5,141,619		$	84,305,474

Schedule of Operating Leases Rent Expense

Total rent expense for all operating leases for 2018 and 2017 is summarized as follows:

	2018		2017
Office leases	$	773,282	$	744,154
Plant leases	4,093,800		4,123,600
Vehicle and equipment leases	392,623		363,616
	$	5,259,705	$	5,231,370

Schedule of Future Minimum Operating Lease Commitments

Minimum future lease commitments as of December 31, 2018, are summarized as follows:

Year ending December 31,	Office Facilities		Vehicles		Plant Leases		Total
2019	$	727,028	$	219,248	$	4,044,000	$	4,990,276
2020	549,264		161,538		4,044,000		4,754,802
2021	433,909		161,538		4,044,000		4,639,447
2022	314,000		31,094		3,666,000		4,011,094
2023	300,000		—		1,132,000		1,432,000
Thereafter	2,975,000		—		—		2,975,000
	$	5,299,201	$	573,418	$	16,930,000	$	22,802,619