Note 2 - Going Concern (Details Textual) - USD ($) $ in Thousands |
9 Months Ended | ||
|---|---|---|---|
Sep. 30, 2026 |
Sep. 30, 2025 |
Dec. 31, 2025 |
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| Cash and Cash Equivalent | $ 8,023 | $ 2,747 | |
| Retained Earnings (Accumulated Deficit) | (117,037) | $ (111,615) | |
| Cash Provided by (Used in) Operating Activity, Including Discontinued Operation | (4,829) | $ (6,389) | |
| Private Placement [Member] | |||
| Proceeds from Issuance or Sale of Equity | 10,277 | ||
| May 2026 Securities Purchase Agreement [Member] | |||
| Equity Offering, Maximum Amount | $ 7,434 | ||
| X | ||||||||||
- Definition Maximum amount to be issued in equity offering. No definition available.
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| X | ||||||||||
- Definition Amount of cash and cash equivalent. 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 | ||||||||||
- Definition Amount of cash inflow (outflow) from operating activity, including, but not limited to, discontinued operation. Operating activity includes, but is not limited to, transaction, adjustment, and change in value not defined as investing or financing activity. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition The cash inflow from the issuance of common stock, preferred stock, treasury stock, stock options, and other types of equity. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount of accumulated undistributed earnings (deficit). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Details
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- Details
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