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Stock-Based Compensation (Narrative) (Details) - USD ($)
$ in Thousands
1 Months Ended 9 Months Ended 12 Months Ended
Jan. 01, 2024
Jun. 30, 2001
Sep. 30, 2024
Sep. 30, 2023
Dec. 31, 2021
Jul. 02, 2021
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]            
Expected dividend yield     0.00%      
Proceeds from Employee Stock Purchase Plan     $ 406 $ 452    
2001 Plan            
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]            
Reserved for future issuance   2,674,749        
Number of shares available for grant         600,737  
Vesting Period   4 years        
2001 Plan | Maximum            
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]            
Vesting Period   10 years        
2021            
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]            
Reserved for future issuance 1,043,959   1,059,116   1,854,490  
Annual incremental percentage         5.00%  
2021 | Maximum            
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]            
Share based payment award, term         10 years  
ESPP            
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]            
Reserved for future issuance           278,170
Number of shares available for grant     672,618      
Additional shares authorized 208,791          
Shares issued/purchased under ESPP     39,807      
Annual incremental percentage           1.00%
Minimum Percentage     85.00%      
Expected dividend yield     0.00% 0.00%    
Proceeds from Employee Stock Purchase Plan     $ 400      
Employee Stock Option            
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]            
Expected dividend yield     0.00% 0.00%    
Employee Stock Option | Employers of certain non-employee directors            
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]            
Vesting Period     48 months