Note 13 - Sale of Hecla Quebec Inc. and Discontinued Operations - Reconciliation of Assets and Liabilities (Details) - USD ($) $ in Thousands	Jun. 30, 2026	Dec. 31, 2025
ASSETS
Discontinued Operation, Accounts receivable		$ 5,091
Inventories:
Discontinued Operation, Product inventories		11,615
Discontinued Operation, Materials and supplies		21,483
Discontinued Operation, Prepaid expenses		2,596
Disposal Group, Including Discontinued Operation, Total assets	$ 0	40,785
Discontinued Operation, Property, plants, equipment and mine development, net		710,246
Discontinued Operation, Other non-current assets		698
Discontinued Operation, Assets of discontinued operations	0	751,729
Current liabilities:
Discontinued Operation, Accounts payable and accrued liabilities		24,690
Discontinued Operation, Accrued payroll and related benefits		7,891
Discontinued Operation, Accrued taxes		4,866
Discontinued Operation, Finance leases		2,911
Discontinued operations, Total current liabilities	$ 0	40,358
Discontinued Operation, Accrued reclamation and closure costs		75,980
Discontinued Operation, Deferred tax liabilities		88,840
Discontinued Operation, Other non-current liabilities		5,456
Discontinued Operation, Total liabilities		$ 210,634

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