FAIR VALUE MEASUREMENTS (Details)	Dec. 31, 2020 Percent Year	Dec. 31, 2019 Percent Year
Volatility
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Estimating the warrants' fair value using assumptions	65.23	48.50
Risk-free interest rate
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Estimating the warrants' fair value using assumptions	0.09	1.39
Dividend yield
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Estimating the warrants' fair value using assumptions	0	0
Expected life (years)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Estimating the warrants' fair value using assumptions | Year	0.405	1.5