SEGMENT REPORTING (Details) - USD ($)	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Segment Reporting Information
Total revenues	$ 40,216,796	$ 25,045,243
Cost of revenues (exclusive of depreciation and amortization shown separately below)	38,565,484	22,808,703
Depreciation and amortization attributable to costs of revenues	114,053	112,497
Gross profit (loss)	1,537,259	2,124,043
Selling, general and administrative expenses	8,782,395	2,858,062
Depreciation and amortization attributable to operating expenses	26,916	26,916
Income (loss) from operations	(7,272,052)	(760,935)
Pygas
Segment Reporting Information
Total revenues	4,690,268	2,972,431
Industrial fuel
Segment Reporting Information
Total revenues	572,281	311,693
Distillates
Segment Reporting Information
Total revenues	29,456,369	15,989,828
Oil collection services
Segment Reporting Information
Total revenues	213,536	126,409
Metals
Segment Reporting Information
Total revenues	3,414,286	5,644,882
Other re-refinery products
Segment Reporting Information
Total revenues	533,305	0
VGO/Marine fuel sales
Segment Reporting Information
Total revenues	1,336,751	0
Black Oil
Segment Reporting Information
Total revenues	1,550,287	122,986
Cost of revenues (exclusive of depreciation and amortization shown separately below)	1,649,972	280,378
Depreciation and amortization attributable to costs of revenues	16,411	20,382
Gross profit (loss)	(116,096)	(177,774)
Selling, general and administrative expenses	7,411,220	1,942,399
Depreciation and amortization attributable to operating expenses	26,916	26,916
Income (loss) from operations	(7,554,232)	(2,147,089)
Black Oil | Pygas
Segment Reporting Information
Total revenues	0	0
Black Oil | Industrial fuel
Segment Reporting Information
Total revenues	0	0
Black Oil | Distillates
Segment Reporting Information
Total revenues	0	0
Black Oil | Oil collection services
Segment Reporting Information
Total revenues	213,536	122,986
Black Oil | Metals
Segment Reporting Information
Total revenues	0	0
Black Oil | Other re-refinery products
Segment Reporting Information
Total revenues	0	0
Black Oil | VGO/Marine fuel sales
Segment Reporting Information
Total revenues	1,336,751	0
Refining & Marketing
Segment Reporting Information
Total revenues	34,718,918	19,273,952
Cost of revenues (exclusive of depreciation and amortization shown separately below)	33,086,160	17,949,695
Depreciation and amortization attributable to costs of revenues	23,370	31,876
Gross profit (loss)	1,609,388	1,292,381
Selling, general and administrative expenses	1,124,336	759,409
Depreciation and amortization attributable to operating expenses	0	0
Income (loss) from operations	485,052	532,972
Refining & Marketing | Pygas
Segment Reporting Information
Total revenues	4,690,268	2,972,431
Refining & Marketing | Industrial fuel
Segment Reporting Information
Total revenues	572,281	311,693
Refining & Marketing | Distillates
Segment Reporting Information
Total revenues	29,456,369	15,989,828
Refining & Marketing | Oil collection services
Segment Reporting Information
Total revenues	0	0
Refining & Marketing | Metals
Segment Reporting Information
Total revenues	0	0
Refining & Marketing | Other re-refinery products
Segment Reporting Information
Total revenues	0	0
Refining & Marketing | VGO/Marine fuel sales
Segment Reporting Information
Total revenues	0	0
Recovery
Segment Reporting Information
Total revenues	3,947,591	5,648,305
Cost of revenues (exclusive of depreciation and amortization shown separately below)	3,829,352	4,578,630
Depreciation and amortization attributable to costs of revenues	74,272	60,239
Gross profit (loss)	43,967	1,009,436
Selling, general and administrative expenses	246,839	156,254
Depreciation and amortization attributable to operating expenses	0	0
Income (loss) from operations	(202,872)	853,182
Recovery | Pygas
Segment Reporting Information
Total revenues	0	0
Recovery | Industrial fuel
Segment Reporting Information
Total revenues	0	0
Recovery | Distillates
Segment Reporting Information
Total revenues	0	0
Recovery | Oil collection services
Segment Reporting Information
Total revenues		3,423
Recovery | Metals
Segment Reporting Information
Total revenues	3,414,286	5,644,882
Recovery | Other re-refinery products
Segment Reporting Information
Total revenues	533,305	0
Recovery | VGO/Marine fuel sales
Segment Reporting Information
Total revenues	$ 0	$ 0