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Organization, Business, Basis of Presentation and Summary of Significant Accounting Policies (Tables)
6 Months Ended
Jun. 30, 2020
Accounting Policies [Abstract]  
Schedule of Potentially Dilutive Securities Not Considered for Calculation of Diluted Net Loss Per Share

Potentially dilutive securities not considered for the calculation of diluted net loss per share are as follows (in common stock equivalents):

 

 

Three and Six Months Ended June 30,

 

 

 

2020

 

 

2019

 

Class X Preferred Stock (if-converted to common stock)

 

 

 

 

 

587,445

 

Common stock warrants

 

 

13,904

 

 

 

477,639

 

Common stock options and restricted stock units

 

 

693,670

 

 

 

409,568

 

Employee stock purchase plan

 

 

1,780

 

 

 

2,067

 

 

 

 

709,354

 

 

 

1,476,719