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Share Based Compensation (Tables)
 6 Months Ended
Jun. 30, 2020
Share-based Payment Arrangement [Abstract]  
Share Based Compensation Plans
During the six months ended June 30, 2020, transactions in connection with the Company’s share based compensation plans were as follows:
Director stock awards granted1,125  
Employee Stock Purchase Plan (“ESPP”) shares issued29,917  
Restricted stock awards granted167,650  
Stock Option Activities:
Outstanding as of December 31, 20191,454,074  
Granted95,525  
Exercised(23,525) 
Expired(3,274) 
Outstanding as of June 30, 20201,522,800  
Shares available for future grants and ESPP purchases as of June 30, 20201,148,471