Note 6 - Common Stock (Details Textual) - $ / shares $ / shares in Thousands |
Jun. 30, 2025 |
Dec. 31, 2024 |
Dec. 31, 2021 |
|---|---|---|---|
| Common Stock, No Par Value (in dollars per share) | $ 0 | $ 0 | $ 0 |
| Common Stock, Shares Authorized (in shares) | 500,000,000 | 500,000,000 | 500,000,000 |
| Common Stock, Shares, Outstanding, Ending Balance (in shares) | 91,422,569 | 91,422,569 | 91,422,569 |
| Preferred Stock, Shares Authorized (in shares) | 250,000,000 | 250,000,000 | |
| Preferred Stock, Shares Issued (in shares) | 0 | 0 | |
| Common Stock, Shares Held in Escrow (in shares) | 0 |
| X | ||||||||||
- Definition Number of common stock held in escrow. No definition available.
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| X | ||||||||||
- Definition Face amount per share of no-par value common stock. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition The maximum number of common shares permitted to be issued by an entity's charter and bylaws. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition The maximum number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) permitted to be issued by an entity's charter and bylaws. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Number of shares issued for nonredeemable preferred shares and preferred shares redeemable solely at option of issuer. Includes, but is not limited to, preferred shares issued, repurchased, and held as treasury shares. Excludes preferred shares classified as debt. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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