CONCENTRATIONS, SIGNIFICANT CUSTOMERS, COMMITMENTS AND CONTINGENCIES (Tables)

6 Months Ended

Jun. 30, 2022

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

Schedule of concentrations

At June 30, 2022 and 2021 and for each of the six months then ended, the Company’s revenues and receivables were comprised of the following customer concentrations:

	As of and for the Six Months Ended
	June 30, 2022		June 30, 2021
	% of Revenues	% of Receivables	% of Revenues	% of Receivables
Customer 1	42%	1%	21%	14%
Customer 2	17%	18%	17%	20%
Customer 3	9%	—%	16%	10%

For each of the six months ended June 30, 2022 and 2021, the Company’s segment revenues were comprised of the following customer concentrations:

	% of Revenue by Segment			% Revenue by Segment
	Six Months Ended June 30, 2022			Six Months Ended June 30, 2021
	Black Oil	Refining	Recovery	Black Oil	Refining	Recovery
Customer 1	—%	43%	—%	—%	27%	—%
Customer 2	—%	18%	—%	—%	—%	78%
Customer 3	—%	9%	—%	—%	20%	—%