Note 1 - Description of the Business, Basis of Presentation and Summary of Significant Accounting Policies (Details Textual) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
|
Mar. 31, 2026
USD ($)
|
Mar. 31, 2025
USD ($)
|
Dec. 31, 2025
USD ($)
|
|
| Net Income (Loss) Attributable to Parent | $ (16,715) | $ (11,410) | |
| Cash Provided by (Used in) Operating Activity, Including Discontinued Operation | (12,282) | (8,258) | |
| Revenues | 0 | 0 | |
| Retained Earnings (Accumulated Deficit) | (67,094) | (50,379) | |
| Working Capital (Deficit) | $ 5,900 | ||
| Property, Plant and Equipment, Useful Life (Year) | 3 years | ||
| Assets, Fair Value Disclosure | 0 | $ 0 | |
| Liability for Uncertainty in Income Taxes, Current | $ 0 | 0 | $ 0 |
| Advertising Expense | $ 0 | 100 | |
| Number of Reportable Segments | 1 | ||
| Liabilities, Fair Value Disclosure | $ 0 | $ 0 | |
| Purchase Agreement [Member] | |||
| Derivative Asset | $ 0 | ||
| X | ||||||||||
- Definition Information pertaining to capital available to meet current, short-term obligations. No definition available.
|
| X | ||||||||||
- Definition Amount charged to advertising expense for the period, which are expenses incurred with the objective of increasing revenue for a specified brand, product or product line. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- Definition Fair value portion of asset recognized for present right to economic benefit. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- Definition Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and not elected to be offset. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- Definition Fair value of financial and nonfinancial obligations. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount recognized for uncertainty in income taxes classified as current. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| 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
|
| X | ||||||||||
- Definition The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| 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
|
| X | ||||||||||
- Definition Useful life of property, plant, and equipment, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, land and land improvement; building; machinery and equipment; furniture and fixture; and work of art, historical treasure, or similar asset classified as collection. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount of accumulated undistributed earnings (deficit). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Details
|