DERIVATIVE LIABILITIES - Valuation Assumptions (Details)	6 Months Ended
	Jun. 30, 2021 $ / shares
Summary of Investment Holdings [Line Items]
Market value of common stock	$ 1.67
Risk-free interest rate	0.11%
Convertible Notes
Summary of Investment Holdings [Line Items]
Market value of common stock	$ 1.67
Expected volatility	66.20%
Expected term (in years)	1 month 9 days
Risk-free interest rate	0.13%
Warrants
Summary of Investment Holdings [Line Items]
Expected volatility	97.70%
Expected term (in years)	4 years 4 months 20 days
Risk-free interest rate	0.59%