Note 11 - Financial Risk Management - Maximum Exposure to Credit Risk to the Carrying Value of Cash, Term Deposits, and Accounts Receivable (Details) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Statement Line Items [Line Items]    
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) [1] 106,036 63,712
Maximum exposure of cash, term deposits, and accounts receivable to credit risk $ 164,881 $ 158,617
[1] The expected credit losses take into account future information of the credit worthiness of the Juanicipio Entities and are not considered significant.