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Note 6 - Accrued Liabilities (Tables) | 9 Months Ended
--- | ---
Sep. 30, 2025
Notes Tables |
Schedule of Accrued Liabilities [Table Text Block] |
|  | September 30, |  |  | December 31, |
|  | 2025 |  |  | 2024 |
Employee payroll and benefits |  | $ | 450 |  |  | $ | 360 |
Income taxes |  |  | 200 |  |  |  | — |
Interest |  |  | 118 |  |  |  | 37 |
Professional services |  |  | 8 |  |  |  | 99 |
Other |  |  | 31 |  |  |  | 85 |
Total accrued liabilities |  | $ | 807 |  |  | $ | 581 |

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- Definition Tabular disclosure of the components of accrued liabilities. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

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- References No definition available. + Details
Name: | us-gaap_TableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration