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Note 4 - Intangible Assets - Changes in Intangible Assets (Details) (Parentheticals) | 12 Months Ended
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Dec. 31, 2024
Impairment, Intangible Asset, Statement of Income or Comprehensive Income [Extensible Enumeration] | Asset Impairment Charges

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- Definition Indicates line item in statement of income or comprehensive income that includes impairment of intangible asset. Includes, but is not limited to, finite-lived and indefinite-lived intangible assets. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482665/350-30-50-3 + Details
Name: | us-gaap_ImpairmentIntangibleAssetStatementOfIncomeOrComprehensiveIncomeExtensibleEnumeration
Namespace Prefix: | us-gaap_
Data Type: | enum2:enumerationSetItemType
Balance Type: | na
Period Type: | duration