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Summary of Significant Accounting Policies (Tables)
3 Months Ended
Mar. 31, 2021
Summary of Significant Accounting Policies [Abstract]  
Antidilutive Securities
The potentially dilutive securities excluded from the determination of diluted loss per share as their effect is antidilutive, are as follows:


 
As of March 31,
 
  
2021
  
2020
 
Stock options to purchase Common Stock
  
1,899,193
   
1,413,073
 
Warrants to purchase Common Stock
  
197,518
   
197,518
 
Total
  
2,096,711
   
1,610,591