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Stockholders' Equity (Tables)
9 Months Ended
Sep. 30, 2021
Stockholders' Equity  
Schedule of warrants outstanding to purchase common stock

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Exercise

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Expiration

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Outstanding

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price

    

dates

Common stock warrants issued to MidCap

 

8,379

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$

28.65

 

2028

Common stock warrants issued to note payable holders

 

15,712

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28.65

 

2027

Common stock warrants issued to convertible promissory note holders

 

64,465

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$

28.65

 

2027

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88,556

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