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Stock Options (Tables)
6 Months Ended
Jun. 30, 2020
Stock Options  
Summary of option activity under stock option plans

    

    

    

Weighted

    

    

Weighted

average

average

remaining

Aggregate

Number of

exercise

contractual

intrinsic

options

price

term (years)

value ($)

(in Thousands)

Options outstanding at December 31, 2019

 

658,588

$

27.55

Plus: Options granted

 

29,500

 

17.57

Less:

Options exercised

 

13,611

 

21.15

Options expired

 

 

Options forfeited

 

9,451

 

30.35

Options outstanding at June 30, 2020

 

665,026

 

27.20

 

5.49

$

4,591

Options fully vested and exercisable at June 30, 2020

 

411,269

$

22.86

 

4.06

$

3,968