Annual report pursuant to Section 13 and 15(d)

Stock-Based Compensation - Stock option plan (Details)

v3.24.1
Stock-Based Compensation - Stock option plan (Details) - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Shares Underlying Options    
Granted (in shares) 435,168 0
Forfeited (in shares) (211,020)  
Exercised (in shares) (32)  
Outstanding at ending (in shares) 721,518  
Exercisable at end (in shares) 350,511  
Weighted Average Exercise Price    
Granted (in dollars per share) $ 2.74  
Forfeited (in dollars per share) 5.56  
Exercised (in dollars per share) 3.92  
Outstanding at ending (in dollars per share) 3.58  
Exercisable (in dollars per share) $ 4.50  
Weighted Average Remaining Contractual Term (in years)    
Outstanding (in years) 7 years 3 months 14 days 5 years 8 months 1 day
Exercisable (in years) 5 years 1 month 2 days  
Outstanding, intrinsic value $ 116  
Exercisable, intrinsic value $ 0  
Cumulative Effect Adjusted    
Shares Underlying Options    
Outstanding at beginning (in shares) 497,402  
Outstanding at ending (in shares)   497,402
Weighted Average Exercise Price    
Outstanding at beginning (in dollars per share) $ 5.16  
Outstanding at ending (in dollars per share)   $ 5.16