XML 33 R23.htm IDEA: XBRL DOCUMENT v3.21.1
Note E - Stock-based Compensation (Tables)
3 Months Ended
Mar. 31, 2021
Notes Tables  
Share-based Payment Arrangement, Restricted Stock and Restricted Stock Unit, Activity [Table Text Block]
  

Restricted Stock

 
  

Number of

Shares

  

Weighted-

Average Grant

Date Fair Value

 

Non-vested at January 1, 2021

  61,035  $36.12 

Granted

  -   - 

Canceled/forfeited/expired

  (357)  56.45 

Vested

  -   - 

Non-vested at March 31, 2021

  60,678  $36.00