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Net Loss per Share (Tables)
12 Months Ended
Dec. 31, 2021
Earnings Per Share [Abstract]  
Schedule of Securities Not Included in Diluted per Share Calculations

Securities that were not included in the diluted per share calculations because they would be anti-dilutive were as follows (in shares):

 

 

 

Year Ended December 31,

 

 

 

2021

 

 

2020

 

Options to purchase common stock

 

 

1,422,195

 

 

 

889,759

 

Warrants to purchase common stock

 

 

11,510,011

 

 

 

7,200,280

 

Total

 

 

12,932,206

 

 

 

8,090,039