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Net loss per share (Tables)
6 Months Ended
Jun. 30, 2020
Net loss per share  
Schedule of outstanding potentially dilutive securities that have been excluded in the calculation of diluted net loss per share

June 30, 

    

2020

    

2019

Unvested restricted common stock and restricted stock units

 

479,996

 

436,985

Outstanding stock options

 

2,744,441

 

2,640,072

 

Outstanding warrants

 

10,000

 

76,041

 

Total

 

3,234,437

 

3,153,098