Note 4 - Income and Mining Taxes - Major Components of Income Tax Provision (Benefit) (Details) - USD ($) $ in Thousands |
3 Months Ended | 12 Months Ended | |||
|---|---|---|---|---|---|
Mar. 31, 2026 |
Mar. 31, 2025 |
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
|
| Current: | |||||
| United States | $ (21,202) | $ (2,615) | $ 0 | $ 0 | $ 0 |
| Canada | (1,820) | 0 | 0 | 0 | 0 |
| Total current income and mining tax provision | (23,022) | (2,615) | (18,741) | (6,758) | (3,846) |
| Deferred: | |||||
| Domestic | (25,045) | (10,833) | (58,959) | (29,517) | (7,115) |
| Foreign | (2,833) | (856) | (1,714) | 0 | 0 |
| Total deferred income and mining tax provision | (27,878) | (11,689) | (80,001) | (33,211) | (8,400) |
| Total income and mining tax provision | $ (50,900) | $ (14,304) | $ (98,742) | $ (39,969) | $ (12,246) |
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- Definition Amount of current federal tax expense (benefit) attributable to income (loss) from continuing operations. Includes, but is not limited to, current national tax expense (benefit) for non-US (United States of America) jurisdiction. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount of current foreign income tax expense (benefit) pertaining to income (loss) from continuing operations. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount of current income tax expense (benefit) pertaining to taxable income (loss) from continuing operations. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount of deferred federal tax expense (benefit) attributable to income (loss) from continuing operations. Includes, but is not limited to, deferred national tax expense (benefit) for non-US (United States of America) jurisdiction. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- Definition Amount of deferred foreign income tax expense (benefit) pertaining to income (loss) from continuing operations. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount of deferred income tax expense (benefit) pertaining to income (loss) from continuing operations. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|