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Stock Based Compensation (Tables)
12 Months Ended
Dec. 31, 2017
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Disclosure of Share-based Compensation Arrangements by Share-based Payment Award [Table Text Block]

Option activity under the Company’s option plans as of and for the year ended December 31, 2017 were as follows: 

 

   Shares   Weighted-
Average
Exercise 
Price
   Weighted-
Average
Remaining 
Contractual 
Term
(In Years)
   Aggregate
Intrinsic Value
 
Outstanding at December 31, 2016   358,367   $6.26           
Granted   -    -           
Exercised   (66,389)    6.61           
Forfeited/cancelled/expired   -    -           
Outstanding at December 31, 2017   291,978   $6.18    1.97   $5,714,355 
Exercisable at December 31, 2017   288,446   $6.08    1.93   $5,673,725 
Schedule of Share Based Compensation Stock Option Plan Table Text Block

This amount changes based on the fair market value of the Parent Corporation’s stock.

 

Information related to stock option exercises during 2017:  2017 
      
Intrinsic value of options exercised  $1,270,521 
Cash received from options exercised   417,000 
Tax benefit realized from options exercised   264,000 
Schedule of Nonvested Restricted Stock Units Activity [Table Text Block]

The below table represents information regarding restricted shares currently outstanding at December 31, 2017:

 

   Nonvested
Shares
   Weighted-
Average
Grant Date 
Fair Value
 
Nonvested at December 31, 2016   111,273   $16.81 
Granted   57,164    23.82 
Vested   (65,359)    16.49 
Forfeited/cancelled/expired   -    - 
Nonvested at December 31, 2017   103,078   $20.41 
Schedule of Unearned Performance Unit Awards [Table Text Block]

A summary of the status of unearned performance unit awards and the change during the period is presented in the table below:

 

   Units
(expected)
   Units
(maximum)
   Weighted
Average Grant
Date Fair
Value
 
Unearned at December 31, 2016   151,572    189,455   $18.47 
Awarded   24,891    37,336    22.75 
Forfeited   -    -    - 
Adjustments   (25,269)    -    18.47 
Unearned at December 31, 2017   151,194    226,791   $19.19