Note 5 - Fair Value Measurements (Details Textual) - USD ($) $ in Thousands |
6 Months Ended | |||
|---|---|---|---|---|
Apr. 15, 2025 |
Jun. 30, 2026 |
Dec. 31, 2025 |
Aug. 19, 2024 |
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| Restricted Cash and Cash Equivalent, Noncurrent | $ 710 | $ 710 | ||
| Goodwill, Impairment Loss | $ 0 | |||
| Convertible Notes [Member] | ||||
| Debt Instrument, Interest Rate, Stated Percentage | 13.00% | 13.00% | ||
| Sublease Amendment [Member] | ||||
| Sublease Term Extension, Period (Year) | 4 years | |||
| Restricted Cash and Cash Equivalent, Noncurrent | $ 710 | $ 710 |
| X | ||||||||||
- Definition The length of time a sublease term has been extended by. No definition available.
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| X | ||||||||||
- Definition Contractual interest rate for funds borrowed, under the debt agreement. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of impairment loss from asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount of cash and cash equivalent restricted as to withdrawal or usage, classified as noncurrent. Cash includes, but is not limited to, currency on hand, demand deposit with financial institution, and account with general characteristic of demand deposit. Cash equivalent includes, but is not limited to, short-term, highly liquid investment that is both readily convertible to known amount of cash and so near maturity that it presents insignificant risk of change in value because of change in interest rate. 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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