STOCKHOLDERS' EQUITY - Weighted average fair value of warrants granted, and the assumptions used in the Black-Scholes model (Details)	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Measurement Input, Risk Free Interest Rate [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
[custom:WarrantsMeasurementInput]	1.26% to 2.82%	1.23% to 1.54%
Measurement Input, Price Volatility [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
[custom:WarrantsMeasurementInput]	78.95% to 81.22%	75.04% to 85%
Measurement Input, Expected Term [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
[custom:WarrantsMeasurementInput]	5.75-6.08	6.08-10
Dividend Yield [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
[custom:WarrantsMeasurementInput]	0.00	0.00