DISCONTINUED OPERATIONS - Balance Sheet Disclosures by Disposal Groups (Details) - USD ($)	Sep. 30, 2021	Dec. 31, 2020
ASSETS
Total current assets	$ 87,670,167	$ 10,530,947
Assets held for sale, noncurrent	0	72,164,157
Current liabilities
Total current liabilities	38,765,716	14,342,808
Liabilities held for sale, noncurrent	0	24,380,440
Held-for-sale | UMO business
ASSETS
Accounts receivable, net	10,756,838	6,280,086
Inventory	6,119,150	2,981,551
Prepaid expenses	370,184	1,269,310
Property and equipment, at cost	32,188,708	0
Finance lease right-of-use assets	1,209,827	0
Operating lease right-of use assets	28,898,931	0
Intangible assets, net	7,563,036	0
Other assets	563,493	0
Total current assets	87,670,167	10,530,947
Property and equipment, at cost	0	32,517,979
Finance lease right-of-use assets	0	1,518,611
Operating lease right-of use assets	0	28,581,379
Intangible assets, net	0	8,930,895
Other assets	0	615,293
Assets held for sale, noncurrent	0	72,164,157
Assets held for sale	87,670,167	82,695,104
Current liabilities
Accounts payable	6,824,664	8,065,368
Accrued expenses	2,355,719	1,072,873
Finance lease liability-current	686,402	373,529
Operating lease liability-current	28,898,931	4,831,038
Total current liabilities	38,765,716	14,342,808
Finance lease liability-noncurrent	0	630,099
Operating lease liability-noncurrent	0	23,750,341
Liabilities held for sale, noncurrent	0	24,380,440
Liabilities held for sale	$ 38,765,716	$ 38,723,248