DISCONTINUED OPERATIONS - Income Statement Disclosures by Disposal Groups (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Income (loss) from discontinued operations, net of tax	$ 3,278,498	$ (926,933)	$ 12,464,445	$ (5,323,630)
Held-for-sale | UMO business
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Revenues	36,950,919	21,422,320	104,956,817	65,364,581
Cost of revenues (exclusive of depreciation shown separately below)	26,867,718	15,861,769	71,860,804	51,622,468
Depreciation and amortization attributable to costs of revenues	1,294,157	971,258	3,803,216	3,175,134
Gross profit	8,789,044	4,589,293	29,292,797	10,566,979
Selling, general and administrative expenses   (exclusive of acquisition related expenses)	4,938,494	4,697,503	15,099,782	13,792,598
Depreciation and amortization expense attributable to operating expenses	455,953	681,209	1,367,859	1,593,115
Total Operating expenses	5,394,447	5,378,712	16,467,641	15,385,713
Income (loss) from operations	3,394,597	(789,419)	12,825,156	(4,818,734)
Other income (expense)	0	0	0	101
Interest expense	(116,099)	(137,514)	(360,711)	(504,997)
Total other income (expense)	(116,099)	(137,514)	(360,711)	(504,896)
Income (loss) before income tax	3,278,498	(926,933)	12,464,445	(5,323,630)
Income tax benefit (expense)	0	0	0	0
Income (loss) from discontinued operations, net of tax	$ 3,278,498	$ (926,933)	$ 12,464,445	$ (5,323,630)