PREFERRED STOCK AND DETACHABLE WARRANTS - Changes in Derivative Liability (Details) - USD ($)	9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation
Balance at beginning of period	$ 330,412	$ 1,969,216
Value of warrants exercised	(10,637,914)	0
Change in valuation of warrants	11,380,122	(1,844,369)
Balance at end of period	$ 1,072,620	$ 124,847