SHARE PURCHASE AND SUBSCRIPTION AGREEMENTS - Variable Interest Entities (Details) - USD ($)	Jun. 30, 2021	Dec. 31, 2020	Jun. 30, 2020
Variable Interest Entity
Cash and cash equivalents	$ 14,966,612	$ 10,895,044	$ 17,754,301
Accounts receivable, net	18,379,672	11,138,933
Inventory	8,869,840	4,439,839
Prepaid expense and other current assets	1,324,816	3,211,448
Total current assets	43,811,140	29,785,389
Fixed assets, net	46,683,730	46,440,516
Finance lease right-of-use assets	1,328,739	1,536,711
Operating lease right-of-use assets	33,141,878	33,315,876
Intangible assets, net	8,431,703	9,397,441
Other assets	1,711,036	1,624,025
TOTAL ASSETS	135,108,226	122,099,958
Accounts payable	15,383,088	10,484,911
Accrued expenses	2,175,449	2,053,106
Finance lease liability-current	5,540,226	5,614,785
Operating lease liability-current	6,215,145	4,367,169
Total current liabilities	30,998,919	23,850,412
Finance lease liability-long term	678,547	945,612
Operating lease liability-long term	27,601,652	27,701,091
Total liabilities	79,577,270	$ 60,809,023
Variable Interest Entity, Primary Beneficiary
Variable Interest Entity
Cash and cash equivalents	11,417,106		7,890,886
Accounts receivable, net	8,056,815		3,591,468
Inventory	800,575		629,667
Prepaid expense and other current assets	239,730		926,203
Total current assets	20,514,226		13,038,224
Fixed assets, net	7,102,863		6,549,139
Finance lease right-of-use assets	880,717		1,031,353
Operating lease right-of-use assets	306,866		299,758
Intangible assets, net	939,168		1,064,624
Other assets	106,643		108,643
TOTAL ASSETS	29,850,483		22,091,741
Accounts payable	2,235,371		1,753,160
Accrued expenses	395,845		307,340
Finance lease liability-current	356,317		346,029
Operating lease liability-current	235,644		251,037
Total current liabilities	3,223,177		2,657,566
Finance lease liability-long term	455,419		643,446
Operating lease liability-long term	71,222		48,721
Total liabilities	$ 3,749,818		$ 3,349,733