v3.26.3
Stock-Based Compensation - Additional Information (Details)
1 Months Ended 3 Months Ended 9 Months Ended 12 Months Ended
Jun. 03, 2026
USD ($)
Mar. 26, 2026
shares
Jan. 01, 2026
shares
Sep. 10, 2025
shares
Jun. 30, 2026
USD ($)
Jan. 31, 2026
shares
Sep. 30, 2026
USD ($)
shares
Sep. 30, 2025
USD ($)
shares
Sep. 30, 2026
USD ($)
Installment
$ / shares
shares
Sep. 30, 2025
USD ($)
Installment
$ / shares
shares
Dec. 31, 2025
shares
Jul. 28, 2026
$ / shares
Feb. 04, 2026
$ / shares
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]                          
Share-based compensation, number of shares outstanding             3,419,000   3,419,000   2,588,000    
Stock-based compensation expense | $                 $ 11,138,000 $ 1,850,000      
Former CMO unvested stock options vesting percentage         35.00%                
Shares issued upon exercise of option, shares                 4,000        
Share-Based compensation, stock options forfeited               100,000   100,000      
Share-based compensation realised tax benefit | $             $ 0 $ 0 $ 0 $ 0      
Initial price per share | $ / shares                       $ 34.94 $ 21.17
Options Outstanding, Granted                 981,000        
Expire period                 10 years        
IPO [Member]                          
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]                          
Stock issued during period, shares       21,850,000                  
2017 Plan                          
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]                          
Share-based compensation, number of shares available for issuance             0   0        
Share-based compensation, number of shares outstanding             2,150   2,150   2,150    
2018 Plan                          
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]                          
Share-based compensation, number of shares available for issuance             0   0        
Share-based compensation, number of shares outstanding             20,234   20,234   20,234    
2023 Plan                          
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]                          
Share-based compensation, number of shares available for issuance             0   0        
Share-based compensation, number of shares outstanding             385,020   385,020   397,385    
2025 Plan                          
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]                          
Share-based compensation, number of shares available for issuance             1,559,995   1,559,995   605,412    
Share-based compensation, number of shares outstanding             2,336,948   2,336,948   1,882,871    
Share-based compensation, number of shares authorized             2,907,335   2,907,335        
Reserved share for issuance           1,400,197              
Automatic increase percentage of the total amount of diluted shares     5.00%                    
Inducement Plan                          
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]                          
Options Outstanding, Granted                 390,000   285,000    
Stock issued during period, shares   600,000                      
First Anniversary                          
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]                          
Stock options granted, vesting, percentage                 25.00% 25.00%      
First Anniversary | Board Member                          
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]                          
Stock options granted, vesting, percentage                 100.00% 100.00%      
First Anniversary through Fourth Anniversary                          
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]                          
Stock options granted, vesting, percentage                 75.00% 75.00%      
Stock options granted, vesting number of installments | Installment                 36 36      
Third Anniversary | Board Member                          
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]                          
Stock options granted, vesting number of installments | Installment                 3 3      
Restricted Stock                          
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]                          
Share-based compensation restricted stock grants in period             0 0 0 0      
Restricted stock vesting period                 6 months        
Stock Options                          
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]                          
Share-based payment arrangement, expense | $             $ 3,633,000 $ 880,000 $ 11,099,000 $ 1,847,000      
Weighted average grant date fair value of the stock options granted during the period | $ / shares                 $ 21.88 $ 10.72      
Share-based compensation number of options granted during the period                   1,800,000      
Unrecognized stock-based compensation expense | $             39,000,000   $ 39,000,000        
Unrecognized stock-based compensation expense recognized period                 2 years 11 months 12 days        
Stock Options | Location, Statement of Income, Balance [Axis]: us-gaap:GeneralAndAdministrativeExpense                          
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]                          
Share-based payment arrangement, expense | $ $ 800,000           2,870,000 767,000 $ 7,969,000 $ 1,490,000      
Stock Options | Location, Statement of Income, Balance [Axis]: us-gaap:ResearchAndDevelopmentExpense                          
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]                          
Share-based payment arrangement, expense | $         $ 1,100,000   $ 763,000 $ 113,000 $ 3,130,000 $ 357,000      
2025 Employee Stock Purchase Plan                          
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]                          
Share-based compensation, number of shares authorized     280,039                    
Maximum number of shares issuable upon exercise of incentive stock options               201,000   201,000      
Employee stock purchase plan, purchase price as a percentage of common stock closing price     85.00%                    
Number of shares of common stock issued under ESPP                 0        
Maximum                          
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]                          
Weighted average grant date fair value of the stock options granted during the period | $ / shares                 $ 46.25 $ 35.14      
Shares issued upon exercise of option, shares               100,000   100,000      
Maximum | 2025 Plan                          
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]                          
Maximum number of shares issuable upon exercise of incentive stock options             8,722,005   8,722,005        
Maximum | Restricted Stock                          
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]                          
Restricted stock vesting period                 36 months        
Minimum                          
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]                          
Weighted average grant date fair value of the stock options granted during the period | $ / shares                 $ 20.73 $ 15.79