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Stockholders' Equity (Deficit) (Tables)
12 Months Ended
Dec. 31, 2021
Stockholders' Equity Note [Abstract]  
Summary of Outstanding Warrants to Purchase the Company's Common Stock
As of December 31, 2020, the outstanding warrants to purchase the Company’s common stock were comprised of the following:
 
    
Equity Upon
Exercise
    
Exercise
Price
    
Expiration Dates
    
Number of
Warrants
 
Warrants issued in 2014
     Common Stock      $ 4.47        3/21/2024 – 6/30/2025        83,726  
Warrants issued in 2015
     Common Stock      $ 4.47        6/30/2025        209,690  
Warrants issued in 2016
     Common Stock      $ 4.47        6/30/2025        34,396  
Warrants issued in 2017
     Common Stock      $ 4.47        6/30/2025        57,881  
                               
 
 
 
Total Warrants
                                385,693