XML 50 R26.htm IDEA: XBRL DOCUMENT v3.22.0.1
Note 9 - Earnings Per Share Attributable to Common Stockholder (Tables)
12 Months Ended
Dec. 31, 2021
Notes Tables  
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]
  

Twelve Months Ended December 31,

 
  

2021

  

2020

  

2019

 

Service Period Stock Options

  1,291   1,356   1,500 

Restricted Stock Units

  173   190   236 

Performance Stock Options

  972   1,009   34 

Total

  2,437   2,555   1,770