Note 2 - Going Concern and Management's Plans (Details Textual) - USD ($) |
3 Months Ended | 9 Months Ended | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Sep. 30, 2025 |
Sep. 30, 2024 |
Sep. 30, 2025 |
Sep. 30, 2024 |
Sep. 05, 2025 |
Jun. 30, 2025 |
Apr. 28, 2025 |
Feb. 10, 2025 |
Dec. 31, 2024 |
Oct. 11, 2024 |
Jun. 30, 2024 |
Dec. 31, 2023 |
|
| Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent | $ (9,749,000) | $ (2,700,000) | $ (4,694,000) | $ (13,067,000) | ||||||||
| Equity, Including Portion Attributable to Noncontrolling Interest | 22,626,000 | $ (82,688,000) | 22,626,000 | $ (82,688,000) | $ (21,135,000) | $ (33,885,000) | $ (77,068,000) | $ (63,254,000) | ||||
| Equity, Attributable to Parent | 2,215,000 | 2,215,000 | $ (33,885,000) | |||||||||
| Cash | $ 39,000 | $ 39,000 | ||||||||||
| Common Stock, Par or Stated Value Per Share (in dollars per share) | $ 0.0001 | $ 0.0001 | $ 0.0001 | $ 0.0001 | $ 0.0001 | $ 0.0001 | $ 0.0001 | |||||
| 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
|
| X | ||||||||||
- Definition Face amount or stated value per share of common stock. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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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 Amount of equity (deficit) attributable to parent. Excludes temporary equity and equity attributable to noncontrolling interest. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount of equity (deficit) attributable to parent and noncontrolling interest. Excludes temporary equity. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|