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Loss per Share (Tables)
3 Months Ended
Mar. 31, 2021
Earnings Per Share [Abstract]  
Schedule of Antidilutive Securities Excluded from Diluted Income (Loss) per Share

 

The following were excluded from the diluted loss per share calculation for the periods presented because their effect would be anti-dilutive:

 

 

 

Three Months Ended March 31,

 

 

 

2021

 

 

2020

 

Outstanding stock options

 

 

691,263

 

 

 

87,741

 

Outstanding warrants

 

 

2,141,378

 

 

 

3,637,000

 

Preferred stocks

 

 

422,867

 

 

 

298,000

 

Total

 

 

3,255,508

 

 

 

4,022,741