Note 7 - Income and Mining Taxes - Schedule of Domestic and Foreign Components of Income (Loss) Before Income and Mining Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Income Tax Disclosure [Line Items]
Total	$ 66,216	$ (82,995)	$ (44,914)
Domestic [Member]
Income Tax Disclosure [Line Items]
Total	121,273	43,745	(6,343)
Foreign [Member]
Income Tax Disclosure [Line Items]
Total	$ (55,057)	$ (126,740)	$ (38,571)