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Note 9 - Notes Payable (Tables)
12 Months Ended
Dec. 31, 2021
Notes Tables  
Schedule of Debt [Table Text Block]
  

December 31,

 
  

2021

  

2020

 

PPP loan

 $-  $450,000 

Less current portion

  -   (93,009)

Non-current portion

 $-  $356,991 

Total notes payable

 $-  $450,000