Note 5 - Series B Preferred stock: Summary of the Series B Preferred Stock - Parenthetical (Details) - Series B Preferred Stock - shares |
Jun. 30, 2026 |
Jun. 30, 2025 |
|---|---|---|
| Preferred Stock, Shares Outstanding | 14,515 | 12,855 |
| Preferred Stock, Shares Issued | 14,515 | 12,855 |
| 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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| X | ||||||||||
- Definition Aggregate share number for all nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) held by stockholders. Does not include preferred shares that have been repurchased. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Details
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