Note 11 - Earnings Per Share - Schedule of Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Common Class A [Member]
Basic and diluted	$ 212	$ 1,002
Common shares outstanding at the balance sheet date (in shares)	10,005,000	10,020,000
Effect of weighting (in shares)	0	0
Weighted average shares-basic and diluted (in shares)	10,005,457	10,019,888
Basic and diluted (in dollars per share)	$ 0.02	$ 0.1
Common Class B [Member]
Basic and diluted	$ 1	$ 3
Common shares outstanding at the balance sheet date (in shares)	32,000	32,000
Weighted average shares-basic and diluted (in shares)	31,938	31,938
Basic and diluted (in dollars per share)	$ 0.02	$ 0.1