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CONCENTRATIONS OF RISK AND SIGNIFICANT CUSTOMERS
 6 Months Ended
Jun. 30, 2023
Commitments and Contingencies Disclosure [Abstract]  
CONCENTRATIONS OF RISK AND SIGNIFICANT CUSTOMERS CONCENTRATIONS OF RISK AND SIGNIFICANT CUSTOMERS
The Company has concentrated credit risk for cash by maintaining deposits in two banks.  These balances are insured by the Federal Deposit Insurance Corporation up to $250,000. From time to time during the quarter ended June 30, 2023 and year ended December 31, 2022, the Company’s cash balances exceeded the federally insured limits. No losses have been incurred relating to this concentration. 
At June 30, 2023 and 2022 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, 2023June 30, 2022
% of
Revenues		% of
Receivables		% of
Revenues		% of
Receivables
Customer 137%1%39%1%
Customer 235%19%16%17%

For each of the six months ended June 30, 2023 and 2022, the Company’s segment revenues were comprised of the following customer concentrations:
% of Revenue by Segment% Revenue by Segment
June 30, 2023June 30, 2022
RefiningBlack Oil and RecoveryRefiningBlack Oil and Recovery
Customer 138%—%43%—%
Customer 236%—%18%—%
The Company had one vendor that represented 36% and 49% of total purchases for the six months ended June 30, 2023, and 2022, respectively, and 40% and 66% of total payables at June 30, 2023, and 2022, respectively.