Note 6 - Deferred Revenue (Details Textual) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2026 |
Jun. 30, 2026 |
Dec. 31, 2025 |
|
| Contract with Customer, Liability | $ 20,000 | $ 20,000 | $ 20,000 | $ 0 |
| Contract with Customer, Liability, Current | 680 | 680 | 680 | 1 |
| Contract with Customer, Liability, Noncurrent | 19,320 | 19,320 | 19,320 | $ 0 |
| LGN Remote Power Generation Contract at a Data Center [Member] | ||||
| Prepayment of Capital Additional and Near Working Capital | $ 5,000 | $ 20,000 | ||
| LGN Remote Power Generation Contract at a Data Center [Member] | Scenario, Plan [Member] | ||||
| Prepayment of Capital Additional and Near Working Capital | $ 5,000 |
| X | ||||||||||
- Definition The prepayment amount for the capital additions and near working capital. No definition available.
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| X | ||||||||||
- Definition Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable, classified as current. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable, classified as noncurrent. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Details
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| X | ||||||||||
- Details
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