Note 3 - Income and Mining Taxes - Major Components of Income Tax Provision (Benefit) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Current:
Domestic	$ (2,615)	$ (992)
Foreign	(309)	(979)
Total current income and mining tax provision	(2,924)	(1,971)
Deferred:
Domestic	(11,724)	(5,183)
Foreign	(1,497)	5,339
Total deferred income and mining tax (provision) benefit	(13,221)	156
Total income and mining tax (provision) benefit	$ (16,145)	$ (1,815)