REVENUES (Tables)

6 Months Ended

Jun. 30, 2020

Revenue from Contract with Customer [Abstract]

Disaggregation of revenue

The following table presents our revenues disaggregated by revenue source:

	Three Months Ended June 30, 2020
	Black Oil		Refining & Marketing		Recovery		Total
Primary Geographical Markets
Northern United States	$	6,167,062	$	—	$	—	$	6,167,062
Southern United States	5,376,073		6,297,328		3,533,664		15,207,065
	$	11,543,135	$	6,297,328	$	3,533,664	$	21,374,127
Sources of Revenue
Petroleum products	$	11,543,135	$	6,297,328	$	553,783	$	18,394,246
Metals	—		—		2,979,881		2,979,881
Total revenues	$	11,543,135	$	6,297,328	$	3,533,664	$	21,374,127

	Six Months Ended June 30, 2020
	Black Oil		Refining & Marketing		Recovery		Total
Primary Geographical Markets
Northern United States	$	15,725,631	$	—	$	—	$	15,725,631
Southern United States	25,348,876		8,807,921		7,695,128		41,851,925
	$	41,074,507	$	8,807,921	$	7,695,128	$	57,577,556
Sources of Revenue
Petroleum products	$	41,074,507	$	8,807,921	$	1,306,564	$	51,188,992
Metals	—		—		6,388,564		6,388,564
Total revenues	$	41,074,507	$	8,807,921	$	7,695,128	$	57,577,556

	Three Months Ended June 30, 2019
	Black Oil		Refining & Marketing		Recovery		Total
Primary Geographical Markets
Northern United States	$	9,880,565	$	—	$	—	$	9,880,565
Southern United States	28,027,246		3,277,402		2,472,079		33,776,727
	$	37,907,811	$	3,277,402	$	2,472,079	$	43,657,292
Sources of Revenue
Petroleum products	$	37,907,811	$	3,277,402	$	642,596	$	41,827,809
Metals	—		—		1,829,483		1,829,483
Total revenues	$	37,907,811	$	3,277,402	$	2,472,079	$	43,657,292

	Six Months Ended June 30, 2019
	Black Oil		Refining & Marketing		Recovery		Total
Primary Geographical Markets
Northern United States	$	19,204,348	$	—	$	—	$	19,204,348
Southern United States	51,518,650		6,136,023		6,118,983		63,773,656
	$	70,722,998	$	6,136,023	$	6,118,983	$	82,978,004
Sources of Revenue
Petroleum products	$	70,722,998	$	6,136,023	$	1,854,113	$	78,713,134
Metals	—		—		4,264,870		4,264,870
Total revenues	$	70,722,998	$	6,136,023	$	6,118,983	$	82,978,004