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Note 4 - Prepaid Expenses and Other Current Assets (Tables)
3 Months Ended
Mar. 31, 2024
Notes Tables  
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Table Text Block]
  

March 31,

  

December 31,

 
  

2024

  

2023

 
         

Prepaid expenses

 $11,717  $16,014 

Tax Receivable – Canadian GST

  3,785   11,367 
  $15,502  $27,381