Condensed Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) - USD ($) $ in Thousands |
Mar. 31, 2026 |
Dec. 31, 2025 |
|---|---|---|
| Convertible Preferred Stock, Par Value (in dollars per share) | $ 0.00067 | $ 0.00067 |
| Convertible Preferred Stock, Shares Authorized (in shares) | 50,000,000 | 50,000,000 |
| Convertible Preferred Stock, Shares Issued (in shares) | 0 | 0 |
| Convertible Preferred Stock, Shares Outstanding (in shares) | 0 | 0 |
| Common stock, par value (in dollars per share) | $ 0.00067 | $ 0.00067 |
| Common stock, shares authorized (in shares) | 550,000,000 | 550,000,000 |
| Common stock, shares issued (in shares) | 319,699,928 | 317,377,777 |
| Partially Owned Subsidiary [Member] | ||
| Debt Instrument, Unamortized Discount, Current | $ 104 | $ 139 |
| Debt Instrument, Unamortized Discount, Noncurrent | $ 261 | $ 56 |
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- Definition Face amount or stated value per share of common stock. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition The maximum number of common shares permitted to be issued by an entity's charter and bylaws. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of debt discount to be amortized within one year or within the normal operating cycle, if longer. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of debt discount to be amortized after one year or the normal operating cycle, if longer. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Face amount or stated value per share of preferred stock nonredeemable or redeemable solely at the option of the issuer. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- 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://www.xbrl.org/2003/role/disclosureRef
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- 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://www.xbrl.org/2003/role/disclosureRef
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- 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://www.xbrl.org/2009/role/commonPracticeRef
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- Details
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