Note 7 - Stock-based Compensation (Tables)

3 Months Ended

Mar. 31, 2023

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, 2022		202,059		$	33.29		362,965	$	31.56
Granted		—			—		—		—
Vested		(1,037	)		34.52		—		—
Forfeited		(1,395	)		42.12		—		—
Balance at March 31, 2023		199,627		$	33.22		362,965	$	31.56