Quarterly report pursuant to Section 13 or 15(d)

The following table summarizes information with respect to outstanding warrants to purchase common stock of the Company at June 30, 2021: (Details)

v3.21.2
The following table summarizes information with respect to outstanding warrants to purchase common stock of the Company at June 30, 2021: (Details)
 6 Months Ended
Jun. 30, 2021
$ / shares
shares
Class of Warrant or Right [Line Items]  
Number Outstanding 644,906
Warrant One [Member]  
Class of Warrant or Right [Line Items]  
Exercise Price (in dollars per share) | $ / shares $ 0.50
Number Outstanding 24,920
Expiration Date 2024-11
Warrant Two [Member]  
Class of Warrant or Right [Line Items]  
Exercise Price (in dollars per share) | $ / shares $ 0.57
Number Outstanding 123,500
Expiration Date 2025-02
Warrant Three [Member]  
Class of Warrant or Right [Line Items]  
Exercise Price (in dollars per share) | $ / shares $ 35.00
Number Outstanding 490,571
Expiration Date 2023-12
Warrant Four [Member]  
Class of Warrant or Right [Line Items]  
Exercise Price (in dollars per share) | $ / shares $ 630.00
Number Outstanding 5,441
Expiration Date 2021-10
Warrant Five [Member]  
Class of Warrant or Right [Line Items]  
Exercise Price (in dollars per share) | $ / shares $ 687.50
Number Outstanding 474
Expiration Date 2021-10