Note 11 - Financial Risk Management (Tables)
 12 Months Ended
Dec. 31, 2021
Statement Line Items [Line Items]  
Disclosure of credit risk exposure [text block]
   

December 31,

    

December 31,

  
   

2021

    

2020

  

Cash (Note 3)

   $ 56,748     $ 94,008  

Accounts receivable (Note 4)

     2,097       897  

Loan to the Juanicipio Entities (Note 6 and Note 14) (1)

     106,036       63,712  
    $ 164,881     $ 158,617  
Disclosure of market risk [text block]

(in US$ equivalent)

  

Mexican peso

    

Canadian dollar

  
                 

Cash

   $ 7     $ 4,080  

Accounts receivable

     153       61  

Prepaids

     21       -  

Investments

     -       1,179  

Accounts payable

     (14 )     (942 )

Lease obligations

     -       (385 )

Net assets exposure

   $ 167     $ 3,993