Note 2 - Going Concern (Details Textual) - USD ($) |
1 Months Ended | 12 Months Ended | |||
|---|---|---|---|---|---|
Mar. 12, 2026 |
Jan. 31, 2026 |
Dec. 31, 2025 |
Dec. 31, 2024 |
Feb. 03, 2026 |
|
| Retained Earnings (Accumulated Deficit) | $ (111,615,000) | $ (87,084,000) | |||
| Cash Provided by (Used in) Operating Activity, Including Discontinued Operation | (8,194,000) | (6,155,000) | |||
| Proceeds from Warrant Exercises | $ 9,088,000 | $ 36,000 | |||
| Subsequent Event [Member] | |||||
| Proceeds from Warrant Exercises | $ 150,000 | ||||
| Proceeds from Issuance of Private Placement | $ 2,250,000 | ||||
| Subsequent Event [Member] | Private Placement [Member] | |||||
| Equity Offering, Additional Amount | $ 18,000,000 | ||||
| Subsequent Event [Member] | At-the-market ("ATM") Offering Program [Member] | |||||
| Equity Offering, Maximum Amount | $ 7,434,266 | ||||
| X | ||||||||||
- Definition The additional amount available for the equity offering. No definition available.
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| X | ||||||||||
- Definition Maximum amount to be issued in equity offering. No definition available.
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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 associated with the amount received from entity's raising of capital via private rather than public placement. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition The cash inflow associated with the amount received from holders exercising their stock warrants. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount of accumulated undistributed earnings (deficit). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Details
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| X | ||||||||||
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