STOCKHOLDERS' EQUITY, Warrants (Details) - $ / shares	Sep. 30, 2021	Dec. 31, 2020
Warrants [Abstract]
Warrants outstanding (in shares)	16,828,915
Weighted average exercise price of warrants (in dollars per share)	$ 2.82	$ 2.82
Common Stock [Member]
Warrants [Abstract]
Warrants outstanding (in shares)	4,528,160	4,528,160