WARRANT DERIVATIVE LIABILITY - Assumptions Used to Calculate Fair Value of 2019 Warrants (Details) - 2019 Warrants [Member}	Dec. 31, 2021	Dec. 31, 2020
Number of shares underlying the warrants
WARRANT DERIVATIVE LIABILITY
Measurement input used to calculate fair value of warrants	3,228.07	16,458.07
Current stock price
WARRANT DERIVATIVE LIABILITY
Measurement input used to calculate fair value of warrants	0.0022	0.0048
Exercise price
WARRANT DERIVATIVE LIABILITY
Measurement input used to calculate fair value of warrants	0.0040	0.0040
Expected volatility
WARRANT DERIVATIVE LIABILITY
Measurement input used to calculate fair value of warrants	0.94	1.08
Risk-free interest rate
WARRANT DERIVATIVE LIABILITY
Measurement input used to calculate fair value of warrants	0.0126	0.0036
Expected term (in years)
WARRANT DERIVATIVE LIABILITY
Measurement input used to calculate fair value of warrants	0.0241	0.0341