DISCONTINUED OPERATIONS - Assets and Liabilities of Discontinued Operations (Details) - USD ($)	Sep. 30, 2021	Dec. 31, 2020
DISCONTINUED OPERATIONS
Cash and cash equivalents	$ 5,101	$ 5,551
Current assets discontinued operations	8,922	712,010
Current liabilities discontinued operations	114,363	742,064
Operations Segment
DISCONTINUED OPERATIONS
Accounts receivable, net	3,821	187,185
Prepaid expenses and other current assets		519,274
Current assets discontinued operations	3,821	706,459
Property and equipment, net		43,697
Noncurrent assets discontinued operations		43,697
Accounts payable and accrued expenses	21,235	169,492
Customer deposits	40,000	517,931
Current liabilities discontinued operations	$ 61,235	$ 687,423