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Note 12 - Stock-based Compensation (Tables)

9 Months Ended

Sep. 30, 2024

Notes Tables

Schedule of Share-Based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]

		September 30,			December 31,
		2024			2023
Dividend yield			2.57%			3.25%
Expected volatility			29.55%			28.24%
Risk-free interest rate			3.82%			4.35%
Expected term in years			6.3			6.5
Weighted-average grant date fair value per option granted		$	11.36		$	7.61

Share-Based Payment Arrangement, Option, Activity [Table Text Block]

										Weighted-Average
						Weighted-				Remaining
						Average				Contractual Term In				Aggregate
		Shares				Exercise Price				Years				Intrinsic Value
Outstanding at January 1, 2024			662,279			$	28.12				6.69			$	5,852,975
Granted			75,100			$	41.98				9.87				—
Less exercised			141,878			$	21.88				—			$	3,042,273
Less forfeited			12,000				30.73				—				—
Outstanding at September 30, 2024			583,501			$	31.37				6.75			$	7,655,780
Expected to vest, assuming a 0.31% annual forfeiture rate at September 30, 2024 (1)			568,654			$	31.28				6.70			$	7,513,895
Exercisable at September 30, 2024			340,743			$	29.47				5.55			$	5,119,461

Nonvested Restricted Stock Shares Activity [Table Text Block]

						Weighted-Average
						Grant-Date Fair Value
Nonvested Shares		Shares				Per Share
Nonvested at January 1, 2024			102,144			$	29.61
Granted			42,250				41.98
Less vested			36,581				28.19
Less forfeited			4,000				30.73
Nonvested at September 30, 2024			103,813			$	35.10

X

- Definition

Tabular disclosure of the changes in outstanding nonvested restricted stock shares.

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