Note 3 - Summary of Significant Accounting Policies (Details Textual) - USD ($) Pure in Thousands |
3 Months Ended | 6 Months Ended | |||
|---|---|---|---|---|---|
Jul. 01, 2026 |
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Dec. 31, 2025 |
|
| Impairment of Marketable Securities | $ 0 | $ 0 | $ 0 | ||
| Debt Securities, Available-for-Sale, Allowance for Credit Loss | 0 | 0 | $ 0 | ||
| Deferred Offering Costs | $ 320,581 | $ 320,581 | $ 320,581 | ||
| Share-Based Compensation Arrangement by Share-Based Payment Award, Expiration Period | 10 years | ||||
| Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Dividend Rate | 0.00% | ||||
| 2026 Pre-funded Warrants [Member] | |||||
| Stock Issued During Period, Shares, Warrants Excised (in shares) | 1,592,863 | ||||
| 2026 Pre-funded Warrants [Member] | Subsequent Event [Member] | |||||
| Stock Issued During Period, Shares, Warrants Excised (in shares) | 1,592,863 | ||||
| Proceeds from Issuance or Sale of Equity | $ 1,593 | ||||