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Net Loss Per Share (Tables)
3 Months Ended
Mar. 31, 2020
Earnings Per Share [Abstract]  
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share
The following table summarizes potential shares of common stock that were excluded from the diluted net loss per share calculation because of their anti-dilutive effect for the three months ended March 31, 2020 and 2019:
 
 
Common Stock Equivalents
2020
 
2019
Options to purchase common stock
9,615,986

 
11,027,600

Restricted stock units
2,667,710

 
1,720,128

Convertible preferred stock
8,456

 
8,456

Convertible notes
14,585,653

 
14,585,653

August 2019 Bonds
4,928,859

 

December 2019 Bonds
1,009,450

 

Total
32,816,114

 
27,341,837