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Note 14 - Segment Information - Segment Information (Details) (Parentheticals) | 12 Months Ended
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Dec. 31, 2024
Entertainment, License Agreement for Program Material, Amortization Expense, Statement of Income or Comprehensive Income [Extensible Enumeration] | Amortization of Intangible Assets

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- Definition Indicates line item in statement of income or comprehensive income that includes amortization expense for cost of right acquired by broadcaster under license agreement for program material. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 920 -SubTopic 350 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478609/920-350-50-2 + Details
Name: | us-gaap_EntertainmentLicenseAgreementForProgramMaterialExpenseAmortizationStatementOfIncomeExtensibleList
Namespace Prefix: | us-gaap_
Data Type: | enum2:enumerationSetItemType
Balance Type: | na
Period Type: | duration