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Convertible Notes (Tables)
6 Months Ended
Jun. 30, 2021
Debt Disclosure [Abstract]  
Convertible Notes and Warrants
        
  

June 30, 2021

(unaudited)

  

December 31,

2020

 
Balance due on convertible notes  $1,083,000   $953,000 
Accrued interest   375,000    313,000 
Subtotal   1,458,000    1,266,000 
Convertible note discount   (81,000)   (83,000)
Balance on convertible notes, net of note discounts  $1,377,000   $1,183,000