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Loss Per Share (Tables)
3 Months Ended
Mar. 31, 2019
Earnings Per Share [Abstract]  
Schedule of Potentially Dilutive Securities

The potentially dilutive securities are as follows:

 

 

Three Months Ended

 

 

 

March 31,

 

 

 

2019

 

 

2018

 

Service Period Stock Options

 

 

1,686,048

 

 

 

2,026,372

 

Restricted Stock Units

 

 

249,252

 

 

 

166,428

 

Performance Stock Options

 

 

59,693

 

 

 

 

Total

 

 

1,994,993

 

 

 

2,192,799