Note 2 - Going Concern and Management's Plans (Details Textual) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 03, 2026 |
Jun. 30, 2026 |
Jun. 30, 2026 |
Dec. 31, 2025 |
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| Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent | $ (2,600) | $ (3,500) | ||
| Retained Earnings (Accumulated Deficit) | (75,476) | (75,476) | $ (73,619) | |
| Cash and Cash Equivalent | $ 1,072 | $ 1,072 | $ 32 | |
| Equity Offering, Maximum Amount | $ 20,000 | |||
| Line of Credit [Member] | ||||
| Line of Credit Facility, Maximum Borrowing Capacity | $ 50,000 | |||
| Debt Instrument, Term (Year) | 3 years |
| X | ||||||||||
- Definition Maximum amount of 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 Period between issuance and maturity of debt instrument, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. No definition available.
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| X | ||||||||||
- Definition Amount after tax of income (loss) from continuing operations attributable to the parent. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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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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