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STOCK-BASED COMPENSATION - Summary of RSU Activity (Details) - Restricted Stock Units - $ / shares
3 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Number of RSUs, Unvested beginning of period 1,207,872 385,004
Number of RSUs, Granted 189,072 91,241
Number of RSUs, Forfeited/Expired (399,867) (122,692)
Number of RSUs, Vested (198,327) (105,793)
Number of RSUs, Unvested end of period 798,750 247,760
Weighted Average Grant Date Fair Value, Unvested RSUs beginning of period $ 1.40 $ 3.18
Weighted Average Grant Date Fair Value, Granted 0.95 1.97
Weighted Average Grant Date Fair Value, Forfeited/Expired 1.69 3.09
Weighted Average Grant Date Fair Value, Vested 1.44 2.97
Weighted Average Grant Date Fair Value, Unvested RSUs end of period $ 1.14 $ 2.87