Note 16 - Subsequent Events (Details Textual) - $ / shares	1 Months Ended	3 Months Ended				12 Months Ended
	Feb. 28, 2026	Dec. 31, 2025	Sep. 30, 2025	Jun. 30, 2025	Mar. 31, 2025	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Common Stock, Dividends, Per Share, Declared (in dollars per share)		$ 1.56	$ 1.56	$ 1.56	$ 1.56	$ 6.24	$ 5	$ 4
Subsequent Event [Member]
Common Stock, Dividends, Per Share, Declared (in dollars per share)	$ 2