v3.26.3
Stock-Based Compensation (Details) - USD ($)
$ in Millions
9 Months Ended
Aug. 17, 2026
Jul. 15, 2026
Jan. 08, 2026
Oct. 28, 2025
Feb. 11, 2025
Sep. 30, 2026
Oct. 31, 2025
Apr. 30, 2026
Sep. 30, 2025
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Percentage of aggregate number of fully diluted shares of common stock           10.00%      
Description of terms of Equity incentive plan           The 2021 Plan is administered by the Board of Directors. The 2021 Plan covers any option, restricted stock award, restricted stock unit, non-employee director or consultant award, or other stock-based award, in each case granted to an eligible participant pursuant to the 2021 Plan. Vesting periods and other restrictions for grants under the 2021 Plan are determined at the discretion of the Board of Directors. Grants to employees, officers, directors, advisors, and consultants of the Company typically vest immediately, or within periods from one to four years, with vesting based on the continued service of eligible participants, and in some cases based on the earlier of a service condition or market condition occurring.      
Vesting period           4 years      
Common stock reserved for issuance           1,316,870     738,437
Board of Directors [Member] | Minimum [Member]                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Exercise price based on estimated fair market value of common stock           100.00%      
Incentive Stock Options [Member] | Maximum [Member]                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Exercisable period           5 years      
Incentive Stock Options [Member] | Any Stockholders Holding 10% or More of Equity [Member] | Minimum [Member]                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Exercise price based on estimated fair market value of common stock           110.00%      
Restricted Stock Units [Member]                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Shares granted           54,331      
Unrecognized stock-based compensation expense related to awards           $ 0.7      
Unrecognized stock-based compensation expense, expected period for recognition           1 year 3 months 18 days      
Common stock reserved for issuance [1]           43,071     0
Awards vested, and unissued           11,120      
Employee Stock Option                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Common stock reserved for issuance           3     3
Rollover RSU awards outstanding                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Common stock reserved for issuance           0     1
Restricted Stock Awards [Member]                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Shares granted 114,333   35,686 35,445 699 114,333 36,144    
Grant date of fair value $ 0.9   $ 0.9 $ 1.3 $ 0.2        
Unrecognized stock-based compensation expense related to awards           $ 0.9      
Unrecognized stock-based compensation expense, expected period for recognition           1 year 7 months 24 days      
Awards vested, and unissued           28,340      
Restricted Stock Awards [Member] | Tranche One [Member]                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Vesting period     1 year            
Restricted Stock Awards [Member] | Tranche Two [Member]                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Vesting period     2 years            
Restricted Stock Awards [Member] | Non-executive Employee [Member]                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Vesting period     2 years            
Shares granted     3,215            
Grant date of fair value     $ 0.1            
2021 Equity Incentive Plan [Member]                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Shares authorized           185,624      
2021 Equity Incentive Plan [Member] | Restricted Stock Awards [Member]                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Shares granted         688        
Remaining shares granted         11        
Vesting date         Feb. 11, 2026        
2021 Equity Incentive Plan [Member] | Restricted Stock Awards [Member] | Minimum [Member]                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Vesting period 1 year 2 months 12 days                
2021 Equity Incentive Plan [Member] | Restricted Stock Awards [Member] | Maximum [Member]                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Vesting period 2 years 10 months 24 days                
2021 Equity Incentive Plan [Member] | Restricted Stock Awards [Member] | Tranche One [Member]                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Shares granted       6,984          
2021 Equity Incentive Plan [Member] | Restricted Stock Awards [Member] | Tranche Two [Member]                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Shares granted       28,461          
2026 Equity Inducement Plan                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Common stock reserved for issuance               107,143  
2026 Equity Inducement Plan | Restricted Stock Awards [Member]                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Vesting period   2 years              
Shares granted   15,430              
Grant date of fair value   $ 0.1              
[1] Includes 402 shares of common stock underlying restricted stock units that vested during the nine months ended September 30, 2026 for which the underlying shares of common stock were not issued as of September 30, 2026.