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STOCKHOLDERS' EQUITY - Stock option activity (Details)
$ / shares in Units, $ in Thousands
9 Months Ended 12 Months Ended
Sep. 30, 2024
USD ($)
$ / shares
shares
Dec. 31, 2023
USD ($)
$ / shares
shares
STOCKHOLDERS' EQUITY    
Options outstanding at beginning of period, Number of options 2,550,829  
Options granted, Number of options 9,191,009  
Options exercised, Number of options (8,693)  
Options expired, Number of options (339,735)  
Options forfeited, Number of options (930,566)  
Options outstanding at end of period, Number of options 10,462,844 2,550,829
Options vested and expected to vest at end of period, Number of options 8,359,138  
Exercisable at end of period, Number of options 3,117,845  
Options outstanding at beginning of period, Weighted average exercise price | $ / shares $ 9.27  
Options granted, Weighted average exercise price | $ / shares 1.72  
Options expired, Weighted average exercise price | $ / shares 14.30  
Options forfeited, Weighted average exercise price | $ / shares 3.63  
Options outstanding at end of period, Weighted average exercise price | $ / shares 2.98 $ 9.27
Options vested and expected to vest at end of period, Weighted average exercise price | $ / shares 2.96  
Exercisable at end of period, Weighted average exercise price | $ / shares $ 5.96  
Options outstanding at, Weighted Average remaining contractual life 8 years 5 months 23 days 7 years 7 days
Options vested and expected to vest at end of period, Weighted Average remaining contractual life 8 years 5 months 12 days  
Exercisable at end of year, Weighted Average remaining contractual life 7 years 1 month 24 days  
Options outstanding at beginning of period, Aggregate Intrinsic value | $ $ 36  
Options outstanding at end of period, Aggregate Intrinsic value | $ 391 $ 36
Options vested and expected to vest at end of period, Aggregate Intrinsic value | $ 270  
Exercisable at end of period, Aggregate Intrinsic value | $ $ 13