Quarterly report pursuant to Section 13 or 15(d)

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, shares in Thousands, $ in Thousands
 6 Months Ended 12 Months Ended
Jun. 30, 2024
Dec. 31, 2023
Outstanding, options (in shares) 22,474  
Outstanding, weighted average exercise price (in dollars per share) $ 85.5  
Outstanding, remaining term (Year) 9 years 9 years 6 months
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) 22,474 22,474
Outstanding, weighted average exercise price (in dollars per share) $ 85.5 $ 85.5
Expected to vest, options (in shares) 16,304  
Expected to vest, weighted average exercise price (in dollars per share) $ 85.5  
Expected to vest, remaining term (Year) 9 years  
Expected to vest, aggregate intrinsic value $ 0  
Exercisable, options (in shares) 6,170  
Exercisable, weighted average exercise price (in dollars per share) $ 85.5  
Exercisable, remaining term (Year) 9 years  
Exercisable, aggregate intrinsic value $ 0