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Note N - Convertible Notes Payable (Tables)
12 Months Ended
Dec. 31, 2019
Notes Tables  
Convertible Debt [Table Text Block]
Principal amount
  $
3,060,000
 
Less unamortized debt discount
   
(574,330
)
Less unamortized debt issuance costs
   
(230,216
)
Notes payable, net of unamortized debt discount and debt issuance costs
  $
2,255,454
 
Schedule of Interest Expense [Table Text Block]
April 4, 2019 debenture interest expense
  $
55,000
 
April 4, 2019 debenture discount amortized
   
40,000
 
April 4, 2019 debenture deferred costs amortized
   
175,000
 
June 14, 2019 convertible note interest expense
   
17,822
 
June 14, 2019 convertible note deferred costs amortized
   
37,000
 
July 10, 2019 convertible note discount amortized
   
245,083
 
July 10, 2019 convertible note deferred costs amortized
   
212,980
 
July 10, 2019 warrant valuation (debt discount) amortization
   
286,249
 
Total
  $
1,069,134