Note 10 - Share-based Compensation - Schedule of RSUs (Details) - Restricted Stock Units (RSUs) [Member] - $ / shares	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Nonvested, RSUs shares, beginning of period (in shares)	2,399	7,204
Nonvested, RSUs Weighted, beginning of period Average Grant Date Fair Value, beginning of period (in dollars per share)	$ 21.73	$ 20.49
Granted, RSUs shares (in shares)	0	0
Granted, RSUs Weighted Average Grant Date Fair Value (in dollars per share)	$ 0	$ 0
Forfeited, RSUs shares (in shares)	0	0
Forfeited, RSUs Weighted Average Grant Date Fair Value (in dollars per share)	$ 0	$ 0
Vested, RSUs shares (in shares)	0	0
Vested, RSUs Weighted Average Grant Date Fair Value (in dollars per share)	$ 0	$ 0
Nonvested, RSUs shares, end of period (in shares)	2,399	7,204
Nonvested, RSUs Weighted Average Grant Date Fair Value, end of period (in dollars per share)	$ 21.73	$ 20.49