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Note 11 - Fair Value Measurements - Assets and Liabilities Measured on a Recurring Basis (Details) (Parentheticals) | Mar. 31, 2026 | Dec. 31, 2025
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Derivative Liability, Statement of Financial Position [Extensible Enumeration] | Convertible Debt, Noncurrent | Convertible Debt, Noncurrent

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- Definition Indicates line item in statement of financial position that includes derivative liability. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 210 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 10 -Publisher FASB -URI https://asc.fasb.org/1943274/2147483444/210-20-55-10 + Details
Name: | us-gaap_DerivativeLiabilityStatementOfFinancialPositionExtensibleEnumeration
Namespace Prefix: | us-gaap_
Data Type: | enum2:enumerationSetItemType
Balance Type: | na
Period Type: | instant