Note 12 - Stock Incentive Plan (Tables)

12 Months Ended

Dec. 31, 2023

Notes Tables

Schedule of Nonvested Share Activity [Table Text Block]

Non-vested Shares	Number of shares			Weighted-Average Grant-Date Fair Value
Non-vested on January 1, 2021		53,303			3.46
Granted		49,650			26.26
Vested		(30,360	)		3.47
Non-vested on December 31, 2021		72,593			19.05
Non-vested on January 1, 2022		72,593			19.05
Granted		60,000			18.98
Vested		(48,350	)		17.05
Non-vested on December 31, 2022		84,243			20.15
Non-vested on January 1, 2023		84,243			20.15
Granted		60,500			23.92
Vested		(53,750	)		22.26
Non-vested on December 31, 2023		90,993			21.41