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Stockholders’ Equity (Tables)
6 Months Ended
Jun. 30, 2021
Equity [Abstract]  
Summary of Warrant Activity

The Financing Warrants outstanding and exercisable as of June 30, 2021 are summarized as follows:

 

          Outstanding     
          Classified as   Classified within     
          Derivative   Stockholders’   Total 
   Exercise   Expiration  Liabilities   Equity   Exercisable 
   Price   Date  (Shares)   (Shares)   (Shares) 
MDB Warrants  $0.20   November 4, 2021   -    327,490    327,490 
Strome Warrants   0.50   June 15, 2023   1,500,000    -    1,500,000 
B. Riley Warrants   1.00   October 18, 2025   875,000    -    875,000 
MDB Warrants   1.15   October 19, 2022   -    119,565    119,565 
MDB Warrants   2.50   October 19, 2022   -    60,000    60,000 
Total outstanding and exercisable           2,375,000    507,055    2,882,055