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EQUITY INCENTIVE PLANS - Additional Information (Details) - USD ($)
$ / shares in Units, $ in Millions
1 Months Ended 6 Months Ended
Jul. 18, 2024
Mar. 31, 2015
Jun. 30, 2025
Jun. 30, 2024
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Weighted-average grant date fair value of employee stock options granted (in dollars per share)     $ 16.00 $ 9.72
Unrecognized share-based compensation expense, options     $ 22.8  
Restricted Stock Units        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Additional awards were granted (in shares)     275,410  
Estimated unrecognized share-based compensation expense     $ 6.5  
Weighted-average period to recognize unrecognized compensation cost (in years)     2 years 9 months 18 days  
RSUs granted (in dollars per share)     $ 21.26 $ 13.60
Fair value of RSUs and PRSUs     $ 0.6 $ 0.7
Options        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Weighted-average period to recognize unrecognized compensation cost (in years)     2 years 4 months 24 days  
2024 Equity Incentive Plan, 2020 Inducement Incentive Plan and 2015 Equity Incentive Plan        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Additional awards were granted (in shares) 0      
Term for stock options to be granted (in years) 10 years      
Price of stock option as percentage of estimated fair value of shares on date of grant (as a percent) 100.00%      
Voting power threshold (as a percent) 10.00%      
2024 Equity Incentive Plan, 2020 Inducement Incentive Plan and 2015 Equity Incentive Plan | More than 10% of Voting Power        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Price of stock option as percentage of estimated fair value of shares on date of grant (as a percent) 110.00%      
2024 Equity Incentive Plan, 2020 Inducement Incentive Plan and 2015 Equity Incentive Plan | Minimum        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Vesting period (in years) 3 years      
2024 Equity Incentive Plan, 2020 Inducement Incentive Plan and 2015 Equity Incentive Plan | Maximum        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Vesting period (in years) 4 years      
2015 Employee Stock Purchase Plan | ESPP        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Price of stock option as percentage of estimated fair value of shares on date of grant (as a percent)   85.00%    
Employee payroll deduction under the stock plan (as a percent)   15.00%    
Issuance of common stock under Employee Stock Purchase Plan (in shares)     3,242 7,050
Estimated unrecognized share-based compensation expense     $ 0.1  
Weighted-average period to recognize unrecognized compensation cost (in years)     7 months 6 days