Note 12 - Segment Information - Segment Information (Details) (Parentheticals)	3 Months Ended
Mar. 31, 2025	Mar. 31, 2024
Entertainment, License Agreement for Program Material, Amortization Expense, Statement of Income or Comprehensive Income [Extensible Enumeration]	Amortization of Intangible Assets	Amortization of Intangible Assets

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.

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

Name:	us-gaap_EntertainmentLicenseAgreementForProgramMaterialExpenseAmortizationStatementOfIncomeExtensibleList
Namespace Prefix:	us-gaap_
Data Type:	enum2:enumerationSetItemType
Balance Type:	na
Period Type:	duration