Note 1 - Principles of Consolidation and Basis of Presentation (Details Textual) - shares	Jun. 30, 2023	May 16, 2023	May 15, 2023	Dec. 31, 2022
Common Class A [Member]
Common Stock, Shares Authorized	105,000,000	105,000,000	60,000,000	105,000,000
Common Class B [Member]
Common Stock, Shares Authorized	35,000,000	35,000,000	20,000,000	35,000,000