Note 7 - Accrued Expenses and Other Liabilities - Other Noncurrent Liabilities (Details) - USD ($) $ in Thousands |
Mar. 31, 2026 |
Dec. 31, 2025 |
|---|---|---|
| Federal and state railroad grants | $ 2,754 | $ 2,809 |
| Employment tax credit | 2,737 | 2,737 |
| Asset retirement obligation | 1,512 | 1,502 |
| Total | $ 7,003 | $ 7,048 |
| X | ||||||||||
- Definition Amount of employment tax credit, classified as noncurrent. 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
|
| 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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