Note 2 - Basis of Presentation, Principles of Consolidation and Significant Accounting Policies and Liquidity (Details Textual) $ in Thousands, shares in Millions |
3 Months Ended | 6 Months Ended | |||||
|---|---|---|---|---|---|---|---|
Dec. 01, 2025 |
Jun. 30, 2026
USD ($)
shares
|
Jun. 30, 2025
shares
|
Jun. 30, 2026
USD ($)
shares
|
Jun. 30, 2025
shares
|
Dec. 31, 2025
USD ($)
|
Jan. 01, 2024
USD ($)
|
|
| Number of Operating Segments | 1 | ||||||
| Number of Reportable Segments | 1 | ||||||
| Retained Earnings (Accumulated Deficit) | $ (226,484) | $ (226,484) | $ (206,004) | $ (146,400) | |||
| Cash | $ 7,300 | $ 7,300 | |||||
| Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares) | shares | 12.7 | 1.0 | 11.3 | 0.7 | |||
| Previously Reported [Member] | |||||||
| Retained Earnings (Accumulated Deficit) | $ (131,600) | ||||||
| Reverse Stock Split [Member] | |||||||
| Stockholders' Equity Note, Stock Split, Conversion Ratio | 25 | ||||||
| X | ||||||||||
- Definition Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Excludes cash and cash equivalents within disposal group and discontinued operation. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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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 | ||||||||||
- Definition Ratio applied to the conversion of stock split, for example but not limited to, one share converted to two or two shares converted to one. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Details
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| X | ||||||||||
- Details
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