Note 4 - Convertible and Non-convertible Promissory Notes - Schedule of Debt (Details) - USD ($) $ in Thousands |
Jun. 30, 2026 |
Dec. 31, 2025 |
|---|---|---|
| Total outstanding debt | $ 20,862 | $ 0 |
| Streeterville Note [Member] | ||
| Principal balance and fees | 20,030 | 0 |
| Original issue discount (OID) | 900 | 0 |
| Unamortized OID | (700) | 0 |
| Accrued interest | 505 | 0 |
| Debt Instrument, Fee Amount | 1,973 | 0 |
| Unamortized discounts/deferred financing | (1,846) | 0 |
| Total outstanding debt | $ 20,862 | $ 0 |
| X | ||||||||||
- Definition Amount, after accumulated amortization, of original issue debt discount. No definition available.
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| X | ||||||||||
- Definition Amount of unamortized original issue debt discount. No definition available.
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| X | ||||||||||
- Definition Amount, before unamortized (discount) premium and debt issuance costs, of short-term debt. No definition available.
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| X | ||||||||||
- Definition Amount of the fee that accompanies borrowing money under the debt instrument. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount, after accumulated amortization, of debt discount. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Carrying value as of the balance sheet date of [accrued] interest payable on all forms of debt, including trade payables, that has been incurred and is unpaid. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition Reflects the total carrying amount as of the balance sheet date of debt having initial terms less than one year or the normal operating cycle, if longer. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Details
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