Note 15 - Commitments and Contingencies - Contractual Obligations and Commitments (Details) $ in Thousands |
Dec. 31, 2021
USD ($)
|
|||||
|---|---|---|---|---|---|---|
| Statement Line Items [Line Items] | ||||||
| Total Obligations and Commitments | $ 145 | |||||
| Committed exploration expenditures [member] | ||||||
| Statement Line Items [Line Items] | ||||||
| Contractual capital commitments | 0 | |||||
| Minera Juanicipio [member] | ||||||
| Statement Line Items [Line Items] | ||||||
| Contractual capital commitments | 0 | [1],[2] | ||||
| Consulting contract [member] | ||||||
| Statement Line Items [Line Items] | ||||||
| Consulting contract commitments | $ 145 | |||||
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