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Note 4 - Prepaid Expenses and Other Current Assets (Tables)
9 Months Ended
Sep. 30, 2022
Notes Tables  
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Table Text Block]
  

September 30,

  

December 31,

 
  

2022

  

2021

 
         

Prepaid expenses

 $13,572  $28,141 

Tax Receivable – Canadian GST

  9,582   9,691 
  $23,154  $37,832