Note 6 - Prepaid Expenses and Other Current Assets - Prepaid Expenses and Other Current Assets (Details) - USD ($) $ in Thousands |
Sep. 30, 2026 |
Dec. 31, 2025 |
|---|---|---|
| Prepaid service invoices | $ 177 | $ 956 |
| Prepaid insurance premiums | 245 | 210 |
| Prepaid lease costs and receivables- short term | 61 | 33 |
| Interest and other receivables | 192 | 103 |
| Total | $ 675 | $ 1,302 |
| X | ||||||||||
- Definition Represents the amount of interest and other receivables included in prepaid expenses and other current assets as of the balance sheet date. No definition available.
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| X | ||||||||||
- Definition Represents information related to prepaid lease costs and short-term receivables. No definition available.
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| X | ||||||||||
- Definition Amount of asset related to consideration paid in advance for service that provides economic benefits within a future period of one year or the normal operating cycle, if longer. No definition available.
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| X | ||||||||||
- Definition Amount of asset related to consideration paid in advance for costs that provide economic benefits in future periods, and amount of other assets that are expected to be realized or consumed within one year or the normal operating cycle, if longer. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount of asset related to consideration paid in advance for insurance that provides economic benefits within a future period of one year or the normal operating cycle, if longer. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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