Annual report [Section 13 and 15(d), not S-K Item 405]

Stock-Based Compensation - Additional Information (Details)

v3.26.1
Stock-Based Compensation - Additional Information (Details) - USD ($)
$ / shares in Units, $ in Millions
12 Months Ended
Jan. 01, 2025
Jun. 01, 2023
Dec. 31, 2025
Dec. 31, 2024
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Stock option cancelled (in shares)     1,830,000  
Granted (in dollars per share)     $ 0.04  
Unvested options granted (in shares)     14,950,000  
Unrecognized compensation cost     $ 0.7  
Unrecognized weighted average period     1 year 9 months 18 days  
Options outstanding (in shares)     39,943,000 26,823,000
Weighted average exercise price (in dollars per share)     $ 0.09 $ 0.14
Exercised (in shares)     0  
Equity Option        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Stock option, maximum term     10 years  
Exercised (in shares)     0 0
Options Outside the 2013 Plan and 2023 Plan        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Unvested stock options (in shares)     6,750,000  
Operating Income (Loss)        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Stock based compensation expense     $ 0.5 $ 0.3
Minimum | Equity Option        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Award vesting period     2 years  
Maximum | Equity Option        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Award vesting period     4 years  
Amended 2013 Plan | Equity Option        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Stock option, maximum term       10 years
Amended 2013 Plan | Minimum | Equity Option        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Award vesting period     2 years  
Amended 2013 Plan | Maximum | Equity Option        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Award vesting period     4 years  
2023 Plan        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Shares authorized under plan (in shares)   34,976,000   13,846,547
Equity incentive plan, term   10 years    
Annual increase to shares authorized for issuance under the Plan as percent of common stock outstanding percentage   4.00%    
Additional Shares authorized under plan (in shares) 7,370,547      
Equity incentive plan, automatic annual plan increase after adoption, term   10 years    
Issued (in shares) 14,450,000      
Issued, weighted average exercise price (in dollars per share) $ 0.04