Note 8 - Stock-based Incentive Plans - Warrants Activity (Details) - Stock Warrants [Member] - $ / shares |
12 Months Ended |
|---|---|
Dec. 31, 2025 | |
| Outstanding, number of warrants (in shares) | 0 |
| Granted, number of warrants (in shares) | 3,000 |
| Granted, exercise price per shares, warrants (in dollars per share) | $ 18.54 |
| Expired, number of warrants (in shares) | 0 |
| Outstanding, number of warrants (in shares) | 3,000 |
| Outstanding, exercise price per shares, warrants (in dollars per share) | $ 124.2 |
| Outstanding, remaining contractual term, warrants (Year) | 2 years 10 days |
| Vested and exercisable, number of warrants (in shares) | 2,000 |
| Vested and exercisable, exercise price per shares, warrants (in dollars per share) | $ 171.48 |
| Vested and exercisable, remaining contractual term, warrants (Year) | 1 year 11 months 12 days |
| X | ||||||||||
- Definition Weighted average per share amount at which grantees can acquire shares of common stock by exercise of other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). No definition available.
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| X | ||||||||||
- Definition Weighted average remaining contractual term for fully vested and expected to vest exercisable or convertible equity instruments other than options. No definition available.
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| X | ||||||||||
- Definition Number of fully vested and expected to vest exercisable non-option equity instruments that may be converted into shares under plan. No definition available.
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| X | ||||||||||
- Definition Weighted-average exercise price, at which grantee can acquire shares reserved for issuance, for fully vested and expected to vest exercisable or convertible non-option equity instruments. No definition available.
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| X | ||||||||||
- Definition Weighted average price at which grantees can acquire the shares reserved for issuance under the stock equity instruments other than options plan. No definition available.
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| X | ||||||||||
- Definition Weighted average remaining contractual term for equity-based awards excluding options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Number of shares under non-option equity instrument agreements for which rights to exercise lapsed. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Net number of non-option equity instruments granted to participants. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Number of equity instruments other than options outstanding, including both vested and non-vested instruments. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Details
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