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Note 2 - Stock-based Compensation
6 Months Ended
Jun. 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
June 30, 2017
and
2016.
 
Stock option activity during the
six
months ended
June
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, June 30
   
21,375
    $
26.91
     
31,949
    $
25.03
 
                                 
Exercisable, June 30
   
21,375
    $
26.91
     
31,949
    $
25.03