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LOSS PER SHARE
6 Months Ended
Jun. 30, 2020
Earnings Per Share [Abstract]  
LOSS PER SHARE

11. LOSS PER SHARE

 

The following outstanding potentially dilutive securities have been excluded from the calculation of diluted net loss per share for the periods presented due to their anti-dilutive effect:

 

 

   As of June 30, 
   2020   2019 
Stock options   5,110,582    6,604,461 
Restricted stock   4,331,324    493,447 
Common stock warrants   10,638,298