Note 7 - Accrued Expenses and Other Liabilities - Other Noncurrent Liabilities (Details) - USD ($) $ in Thousands |
Jun. 30, 2026 |
Dec. 31, 2025 |
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|---|---|---|---|---|
| Federal and state railroad grants | $ 2,697 | $ 2,809 | ||
| Employment tax credit | 3,055 | 2,737 | ||
| Refundable deposits(1) | [1] | 12,500 | 0 | |
| Asset retirement obligation | 1,521 | 1,502 | ||
| Operating Lease, Liability, Noncurrent | 263 | 0 | ||
| Total | $ 20,036 | $ 7,048 | ||
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| X | ||||||||||
- Definition Amount of employment tax credit, classified as noncurrent. No definition available.
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| X | ||||||||||
- Definition The value of refundable deposits. No definition available.
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| X | ||||||||||
- Definition Noncurrent portion of the carrying amount of a liability for an asset retirement obligation. An asset retirement obligation is a legal obligation associated with the disposal or retirement of a tangible long-lived asset that results from the acquisition, construction or development, or the normal operations of a long-lived asset, except for certain obligations of lessees. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount of liability from government assistance, classified as noncurrent. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Present value of lessee's discounted obligation for lease payments from operating lease, classified as noncurrent. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of liabilities classified as other, due after one year or the normal operating cycle, if longer. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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