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Per Share Data
3 Months Ended
Mar. 31, 2020
Earnings Per Share [Abstract]  
Per Share Data Per Share Data

There are no convertible securities which would affect the denominator in calculating basic and dilutive earnings per share. There were a total of 864,300 stock options, with an average exercise price of $28.20, outstanding on March 31, 2020. A portion of these options were included, on a weighted average basis, in the computation of diluted earnings per share for the period due to the average market price of common shares of $29.57 exceeding the exercise price of the options issued for all years except for 2017. There were a total of 635,550 stock options outstanding for the same period end in 2019 that had an average exercise price of $29.29 and were excluded, on a weighted average basis, in the computation of diluted earnings per share because the quarterly average closing market price of common shares was $26.91 for the period.
 
 
Three Months Ended March 31,
 
 
2020
 
2019
Weighted average common shares issued
 
7,520,965

 
7,517,853

Weighted average treasury stock shares
 
(480,225
)
 
(480,225
)
Weighted average common shares outstanding - basic
 
7,040,740

 
7,037,628

Dilutive effect of outstanding stock options
 
62,250

 

Weighted average common shares outstanding - basic and diluted
 
7,102,990

 
7,037,628