SHARE PURCHASE AND SUBSCRIPTION AGREEMENTS - Variable Interest Entities (Details) - USD ($)	Sep. 30, 2020	Dec. 31, 2019	Sep. 30, 2019
Variable Interest Entity
Cash and cash equivalents	$ 15,552,980	$ 4,099,655	$ 2,303,725
Accounts receivable, net	9,090,927	12,138,078
Inventory	3,584,317	6,547,479
Prepaid expense and other current assets	4,597,361	4,452,920
Total current assets	32,925,710	27,406,908
Fixed assets, net	45,268,202	44,761,397
Finance lease right-of-use assets	1,640,694	851,570
Operating lease right-of-use assets	34,014,076	35,586,885
Intangible assets, net	9,880,310	11,243,800
Other assets	1,424,288	840,754
TOTAL ASSETS	125,153,280	120,759,919
Accounts payable	8,275,862	7,620,098
Accrued expenses	3,312,018	5,016,132
Finance lease liability-current	5,830,681	5,885,304
Operating lease liability-current	4,867,167	2,017,345
Total current liabilities	23,391,460	24,797,299
Finance lease liability-long term	1,072,623	610,450
Operating lease liability-long term	28,183,395	29,701,581
Total liabilities	61,069,930	$ 69,511,546
Variable Interest Entity, Primary Beneficiary
Variable Interest Entity
Cash and cash equivalents	8,072,347
Accounts receivable, net	2,879,431
Inventory	310,596
Prepaid expense and other current assets	1,968,335
Total current assets	13,230,709
Fixed assets, net	5,619,248
Finance lease right-of-use assets	1,106,671
Operating lease right-of-use assets	369,333
Intangible assets, net	1,127,352
Other assets	108,643
TOTAL ASSETS	21,561,956
Accounts payable	1,413,378
Accrued expenses	335,267
Finance lease liability-current	340,193
Operating lease liability-current	268,437
Total current liabilities	2,357,275
Finance lease liability-long term	732,174
Operating lease liability-long term	100,896
Total liabilities	$ 3,190,345