XML 75 R58.htm IDEA: XBRL DOCUMENT v3.24.0.1
Note 5 - Stock-based Compensation - Stock Option Activity (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Jan. 01, 2022
Options outstanding, shares (in shares) 51 50  
Options outstanding, weighted average exercise price (in dollars per share) $ 39.14 $ 39.54  
Options outstanding, weighted average grant date fair value (in dollars per share) $ 0 $ 21.72 $ 22.23
Granted, shares (in shares) 0 1  
Stock price (in dollars per share) $ 0 $ 22.15  
Granted, weighted average grant date fair value (in dollars per share) $ 0 $ 0  
Exercised, shares (in shares) 0 0  
Exercised, weighted average exercise price (in dollars per share) $ 0 $ 0  
Exercised, weighted average grant date fair value (in dollars per share) $ 0 $ 0  
Forfeited or expired, shares (in shares) (50) 0  
Forfeited or expired, weighted average exercise price (in dollars per share) $ 39.54 $ 0  
Forfeited or expired, weighted average grant date fair value (in dollars per share) $ 22.23 $ 0  
Options outstanding, shares (in shares) 1 51  
Options outstanding,, weighted average exercise price (in dollars per share) $ 22.15 $ 39.14  
Options outstanding, aggregate intrinsic value $ 16    
Options exercisable, shares (in shares) 1    
Options exercisable, weighted average exercise price (in dollars per share) $ 22.15    
Options exercisable, aggregate intrinsic value $ 16    
Options unvested, shares (in shares) 0