STOCKHOLDERS EQUITY (DEFICIT) - Weighted-Average Assumptions (Details)	Dec. 31, 2020 yr $ / shares
Expected dividend yield
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Warrants, measurement input	0
Risk-free interest rate
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Warrants, measurement input	0.0021
Expected life in years
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Warrants, measurement input | yr	2.5
Expected volatility
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Warrants, measurement input	0.68
Weighted-average fair value of warrants granted
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Warrants, measurement input | $ / shares	0.85