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Note 1 - Principles of Consolidation and Basis of Presentation (Details Textual)	Jul. 25, 2020	Mar. 31, 2024 shares	Dec. 31, 2023 shares	May 16, 2023 shares	Dec. 31, 2022 shares
Stock Split From [Member]
Stockholders' Equity Note, Stock Split, Conversion Ratio	3
Stock Split To [Member]
Stockholders' Equity Note, Stock Split, Conversion Ratio	2
Common Class A [Member]
Common Stock, Shares Authorized		105,000,000	105,000,000	105,000,000	60,000,000
Common Class B [Member]
Common Stock, Shares Authorized		35,000,000	35,000,000	35,000,000	20,000,000

X

- Definition

The maximum number of common shares permitted to be issued by an entity's charter and bylaws.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(29))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6-04(16)(a))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479170/946-210-S99-1

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X

- Definition

Ratio applied to the conversion of stock split, for example but not limited to, one share converted to two or two shares converted to one.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 505
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 4
-Subparagraph (SAB Topic 4.C)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480008/505-10-S99-4

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