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

X

- 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