Note 9 - Stockholders' Equity (Details Textual) - USD ($) $ / shares in Units, $ in Millions |
96 Months Ended | ||
|---|---|---|---|
Aug. 12, 2025 |
Mar. 31, 2026 |
Dec. 31, 2025 |
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| Common Stock, Par or Stated Value Per Share | $ 0.0001 | $ 0.0001 | $ 0.0001 |
| Proceeds from Issuance or Sale of Equity | $ 568.0 | ||
| Pre-Funded Warrants in Connection with Underwriting Agreement [Member] | |||
| Class of Warrant or Right, Number of Securities Called by Warrants or Rights | 6,710,000 | 6,710,000 | |
| Class of Warrant Or Right, Purchase Price (in dollars per share) | $ 2.9999 | ||
| Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share) | $ 0.0001 | $ 0.0001 | |
| Underwriting Agreement [Member] | |||
| Stock Issued During Period, Shares, New Issues | 33,290,000 | ||
| Shares Issued, Price Per Share | $ 3 | ||
| Proceeds from Issuance or Sale of Equity | $ 129.3 | ||
| Expense Related to Distribution or Servicing and Underwriting Fees | 8.3 | ||
| Offering Cost, Expense | $ 0.4 | ||
| Over-Allotment Option [Member] | |||
| Stock Issuable During Period, Shares (in shares) | 6,000,000 |
| X | ||||||||||
- Definition The purchase price of the warrant or right. No definition available.
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| X | ||||||||||
- Definition The number of shares issuable during the period. No definition available.
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| X | ||||||||||
- Definition Exercise price per share or per unit of warrants or rights outstanding. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| 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 Expense related to distribution, servicing and underwriting fees. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount of expense for cost associated with issuance of security by investment company. Includes, but is not limited to, legal fee pertaining to share offered for sale, registration fee, underwriting, printing prospectus, and initial fee for listing on exchange. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition The cash inflow from the issuance of common stock, preferred stock, treasury stock, stock options, and other types of equity. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Per share or per unit amount of equity securities issued. No definition available.
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| X | ||||||||||
- Definition Number of new stock issued during the period. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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