XML 33 R17.htm IDEA: XBRL DOCUMENT v3.19.2
Summary of Significant Accounting Policies (Tables)
6 Months Ended
Jun. 30, 2019
Summary of Significant Accounting Policies  
Potentially dilutive securities outstanding

 

 

 

 

 

 

 

 

 

 

 

 

Three Months Ended June 30, 

 

Six Months Ended June 30, 

 

 

    

2019

    

2018

    

2019

    

2018

    

Stock options and restricted stock units

 

5,073,149

 

3,981,055

 

5,073,149

 

3,981,055