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FAIR VALUE OF MEASUREMENTS AND INVESTMENT SECURITIES - Fair Value of Warrants (Details) - Warrant Derivative Liability - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Derivative [Line Items]    
Gain on change in the fair value   $ 2.8
Risk-free interest rate 4.10% 1.22%
Volatility 102.00% 94.00%
Expected life (years) 3 years 7 months 17 days 4 years 7 months 20 days