XML 75 R64.htm IDEA: XBRL DOCUMENT v3.21.2
Note 10 - Stock Based Compensation - Stock Option Transactions (Details) - USD ($)
$ / shares in Units, $ in Thousands
9 Months Ended 141 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Outstanding, option shares (in shares) 10,541    
Outstanding, weighted average exercise price (in dollars per share) $ 16.63    
Granted, option shares (in shares) 0   0
Granted, weighted average exercise price (in dollars per share) $ 0    
Exercised, option shares (in shares) (5,180) (1,793)  
Exercised, weighted average exercise price (in dollars per share) $ 16.63    
Forfeited, option shares (in shares) (332)    
Forfeited, weighted average exercise price (in dollars per share) $ 16.63    
Expired, option shares (in shares) 0    
Expired, weighted average exercise price (in dollars per share) $ 0    
Outstanding and exercisable, option shares (in shares) 5,029   5,029
Outstanding and exercisable, weighted average exercise price (in dollars per share) $ 16.63   $ 16.63
Outstanding and exercisable, weighted average remaining contractual term (Year) 3 years 2 months 19 days    
Outstanding and exercisable, aggregate intrinsic value $ 83   $ 83