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Note 12 - Accrued Liabilities - Components of Other Accrued Liabilities (Details) - USD ($) $ in Thousands | Jun. 30, 2026 | Dec. 31, 2025 | Dec. 31, 2024
--- | --- | --- | ---
Contract liabilities (Note 3) | $ 960 | $ 1,026 | $ 721
Warranty reserve (Note 13) | 159 | 159 |
Deferred revenue | 89 | 91 |
Accrued professional fees | 0 | 83 |
Other accrued liabilities | 71 | 275 |
Total other accrued liabilities | $ 1,279 | $ 1,634 |

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- Definition Amount of miscellaneous expenses incurred but not yet paid classified as other, due within one year or the normal operating cycle, if longer. + References No definition available. + Details
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- Definition Carrying value as of the balance sheet date of obligations incurred through that date and payable for professional fees, such as for legal and accounting services received. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(20)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 + Details
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