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Stockholders Equity (Tables)
3 Months Ended
Mar. 31, 2022
Stockholders Equity  
Schedule of warrants outstanding to purchase common stock

Exercise

Expiration

    

Outstanding

    

price

    

dates

Common stock warrants

 

8,379

$

28.65

 

2028

Common stock warrants

 

80,177

 

28.65

 

2027

 

88,556