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FAIR VALUE OF MEASUREMENTS AND INVESTMENT SECURITIES - Fair Value of Warrants (Details) - Warrant Derivative Liability
6 Months Ended 12 Months Ended
Jun. 30, 2023
Dec. 31, 2022
Derivative [Line Items]    
Risk-free interest rate 4.50% 4.10%
Volatility 131.00% 102.00%
Expected term (years) 3 years 1 month 17 days 3 years 7 months 17 days