v3.25.0.1
Stock-based Compensation - Stock Option Activity (Details) - USD ($)
$ / shares in Units, $ in Thousands
 9 Months Ended 12 Months Ended
Sep. 30, 2024
Dec. 31, 2023
Dec. 31, 2022
Shares      
Shares, Options exercised (in shares)   0 0
Additional disclosures      
Weighted average recognition period 1 year 18 days    
Stock options      
Shares      
Shares outstanding, Beginning balance (in shares) 263    
Shares, Options cancelled (in shares) (105)    
Shares outstanding, Ending balance (in shares) 158 263  
Shares, Exercisable (in shares) 144    
Shares, Vested and expected to vest (in shares) 158    
Weighted Average Exercise Price Per Share      
Weighted Average Exercise Price Per Share, Outstanding, Beginning balance (in dollars per share) $ 21,909.5    
Weighted Average Exercise Price Per Share, Options cancelled (in dollars per share) 7,629.9    
Weighted Average Exercise Price Per Share, Outstanding, Ending balance (in dollars per share) 31,381.48 $ 21,909.5  
Weighted Average Exercise Price Per Share, Exercisable (in dollars per share) 34,101.1    
Weighted Average Exercise Price Per Share, Vested and expected to vest (in dollars per share) $ 31,381.48    
Weighted Average Remaining Contractual Life      
Weighted Average Remaining Contractual Life Outstanding 6 years 1 month 6 days    
Weighted Average Remaining Contractual Life, Exercisable 5 years 11 months 19 days    
Weighted Average Remaining Contractual Life, Vested and expected to vest 6 years 1 month 6 days    
Aggregate Intrinsic Value      
Aggregate Intrinsic Value Outstanding (in dollars) $ 0    
Additional disclosures      
Unrecognized share-based expenses $ 34 $ 100  
Weighted average recognition period   1 year 9 months 18 days  
Vesting period 4 years 4 years  
Option expiration period 10 years 10 years  
Stock options | 2003 Stock Incentive Plan, as amended and restated      
Shares      
Shares outstanding, Beginning balance (in shares) 263 370 306
Shares, Options granted (in shares)     194
Shares, Options cancelled (in shares)   (107) (130)
Shares outstanding, Ending balance (in shares)   263 370
Shares, Exercisable (in shares)   213  
Shares, Vested and expected to vest (in shares)   274  
Weighted Average Exercise Price Per Share      
Weighted Average Exercise Price Per Share, Outstanding, Beginning balance (in dollars per share) $ 21,909.5 $ 18,075.7 $ 23,117.06
Weighted Average Exercise Price Per Share, Options granted (in dollars per share)     3,422
Weighted Average Exercise Price Per Share, Options cancelled (in dollars per share)   8,661.72 8,071.28
Weighted Average Exercise Price Per Share, Outstanding, Ending balance (in dollars per share)   21,909.5 $ 18,075.7
Weighted Average Exercise Price Per Share, Exercisable (in dollars per share)   25,839.58  
Weighted Average Exercise Price Per Share, Vested and expected to vest (in dollars per share)   $ 21,909.5  
Weighted Average Remaining Contractual Life      
Weighted Average Remaining Contractual Life Outstanding   6 years 4 months 24 days  
Weighted Average Remaining Contractual Life, Exercisable   6 years  
Weighted Average Remaining Contractual Life, Vested and expected to vest   6 years 4 months 24 days  
Aggregate Intrinsic Value      
Aggregate Intrinsic Value Outstanding (in dollars)   $ 0  
Aggregate Intrinsic Value, Exercisable (in dollars)   0  
Vested and expected to vest (in dollars)   $ 0  
Additional disclosures      
Vesting period   4 years