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Note 2 - Stock-based Compensation
9 Months Ended
Sep. 30, 2017
Notes to Financial Statements  
Compensation and Employee Benefit Plans [Text Block]
NOTE
2
-
STOCK-BASED COMPENSATION
 
The Company
had
no
unvested stock options outstanding or unrecognized stock-based compensation costs outstanding as of
September 30, 2017
and
2016.
 
Stock option activity during the
nine
months ended
September
30
is
as follows:
 
           
Weighted-
           
Weighted-
 
           
average
           
average
 
           
Exercise
           
Exercise
 
   
2017
   
Price
   
2016
   
Price
 
                                 
Outstanding, January 1
   
29,324
    $
23.67
     
31,949
    $
25.03
 
Exercised
   
(7,949
)    
29.87
     
-
     
-
 
                                 
Outstanding, September 30
   
21,375
    $
21.37
     
31,949
    $
25.03
 
                                 
Exercisable, September 30
   
21,375
    $
21.37
     
31,949
    $
25.03