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Stock Option Plan - Stock Option Activity (Details) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended 12 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Dec. 31, 2024
Number of Options      
Outstanding, beginning of period (in shares) 489,296    
Granted (in shares) 120,070 0  
Expired (in shares) (1,220)    
Outstanding, end of period (in shares) 608,146   489,296
Vested and expected to vest, end of period (in shares) 608,146    
Options exercisable, end of period (in shares) 608,146    
Weighted- Average Exercise Price      
Outstanding, beginning of period (in dollars per share) $ 8.39    
Granted (in dollars per share) 3.58    
Expired (in dollars per share) 15.65    
Outstanding, end of period (in dollars per share) 7.42   $ 8.39
Vested and expected to vest, end of period (in shares), Weighted Average Exercise Price (in dollars per share) 7.42    
Options exercised, end of period (in shares), Weighted Average Exercise Price (in dollars per share) $ 8.60    
Stock Options, Additional Disclosures [Abstract]      
Outstanding, Weighted Average Remaining Contractual Term 5 years 9 months 10 days   6 years 6 months 10 days
Vested and expected to vest, Weighted Average Remaining Contractual Term 5 years 9 months 10 days    
Options exercisable, Weighted Average Remaining Contractual Term 4 years 7 months 9 days    
Outstanding, Aggregate Intrinsic Value $ 282   $ 370
Vested and expected to vest, Aggregate Intrinsic Value 282    
Options exercisable, Aggregate Intrinsic Value $ 256