Note 6 - Stock-based Compensation (Tables)

3 Months Ended

Mar. 31, 2024

Notes Tables

Share-Based Payment Arrangement, Restricted Stock Unit, Activity [Table Text Block]

	Time-Based RSUs					Performance-Based RSUs
				Weighted-Average					Weighted-Average
				Grant Date					Grant Date
	Shares			Fair Value		Shares			Fair Value
Balance at December 31, 2023		194,389		$	34.83		349,661		$	32.94
Granted		1,241			37.96		—			—
Vested		(1,326	)		43.24		—			—
Forfeited		(16,400	)		41.94		(17,395	)		39.26
Balance at March 31, 2024		177,904		$	34.13		332,266		$	32.61