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Stock Option Plan - Narrative (Details) - USD ($)
1 Months Ended 3 Months Ended 9 Months Ended 12 Months Ended
Aug. 31, 2025
Sep. 30, 2024
Sep. 30, 2025
Sep. 30, 2024
Dec. 31, 2021
Nov. 08, 2025
Dec. 31, 2024
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Share based option modified (in shares)         4,100    
Increase decrease exercise price (in dollars per share)         $ 240.00    
Incremental compensation cost (in dollars)         $ 246,000    
Options              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Additional compensation expense   $ 169   $ 169      
Restricted Stock Units (RSUs)              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Nonvested restricted stock units (in shares)     0       0
Restricted stock              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Total unrecognized compensation cost related to nonvested restricted stock     $ 0        
2020 Plan              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Number of additional shares authorized (in shares) 14,944,592            
Aggregate of common shares (in shares)     15,000,000        
Option contractual life     10 years        
Weighted average grant date fair value of options granted during period (in dollars per share)     $ 0        
2020 Plan | Subsequent Event              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Issuance of common stock available for future (in shares)           14,494,098  
2020 Plan | Options              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Option vesting period     4 years        
Expiration period after termination of service     90 days        
2010 Plan              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Weighted average grant date fair value of options granted during period (in dollars per share)     $ 0