Annual report [Section 13 and 15(d), not S-K Item 405]

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

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Note 7 - Stockholders' Equity - Summary of Stock Option Activity (Details) - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Outstanding, options (in shares) 22,474 0  
Outstanding, weighted average exercise price (in dollars per share) $ 85.5 $ 0  
Outstanding, aggregate intrinsic value $ 0   $ 0
Granted, options (in shares) 234,000 22,474  
Granted, weighted average exercise price (in dollars per share) $ 2.46 $ 85.5  
Granted, remaining term (Year)   9 years 6 months  
Outstanding, options (in shares) 256,474 22,474  
Outstanding, weighted average exercise price (in dollars per share) $ 9.74 $ 85.5  
Outstanding, remaining term (Year) 9 years 7 months 13 days    
Expected to vest, options (in shares) 246,802    
Expected to vest, weighted average exercise price (in dollars per share) $ 6.77    
Expected to vest, remaining term (Year) 9 years 7 months 28 days    
Expected to vest, aggregate intrinsic value    
Vested and Exercisable as of December 31, 2024 (in shares) 9,672    
Vested and Exercisable, weighted average exercise price (in dollars per share) $ 85.5    
Vested and Exercisable, remaining (Year) 8 years 5 months 26 days    
Vested and Exercisable, aggregate intrinsic value $ 0