Quarterly report [Sections 13 or 15(d)]

Note 7 - Stockholders' Equity - Summary of Stock Option Activity (Details)

v3.25.1
Note 7 - Stockholders' Equity - Summary of Stock Option Activity (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 12 Months Ended
Mar. 31, 2025
Dec. 31, 2024
Outstanding, options (in shares) 256,474  
Outstanding, weighted average exercise price (in dollars per share) $ 9.74  
Outstanding, remaining term (Year) 9 years 4 months 24 days 9 years 7 months 6 days
Outstanding, aggregate intrinsic value   $ 0
Granted, options (in shares) 0  
Granted, weighted average exercise price (in dollars per share) $ 0  
Exercised, options (in shares) 0  
Exercised, weighted average exercise price (in dollars per share) $ 0  
Cancelled/forfeited, options (in shares) 0  
Cancelled/forfeited, weighted average exercise price (in dollars per share) $ 0  
Expired, options (in shares) 0  
Expired, weighted average exercise price (in dollars per share) $ 0  
Outstanding, options (in shares) 256,474 256,474
Outstanding, weighted average exercise price (in dollars per share) $ 9.74 $ 9.74
Expected to vest, options (in shares) 166,125  
Expected to vest, weighted average exercise price (in dollars per share) $ 7.52  
Expected to vest, remaining term (Year) 9 years 4 months 24 days  
Expected to vest, aggregate intrinsic value $ 0  
Exercisable, options (in shares) 90,349  
Exercisable, weighted average exercise price (in dollars per share) $ 13.81  
Exercisable, remaining term (Year) 9 years 3 months 18 days  
Exercisable, aggregate intrinsic value $ 0