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Note 5 - Debt (Tables)
9 Months Ended
Sep. 30, 2020
Notes Tables  
Schedule of Debt [Table Text Block]
   
September 30
   
December 31
 
   
2020
   
2019
 
                 
Revolving line of credit
  $
500,000
    $
500,000
 
PPP SBA note
   
862,000
     
-
 
     
1,362,000
     
500,000
 
Less current portion
   
977,229
     
500,000
 
Total long-term debt
  $
384,771
    $
-