Note 13 - Employee Stock Plans (Tables)

6 Months Ended

Jun. 30, 2023

Notes Tables

Nonvested Restricted Stock Shares Activity [Table Text Block]

						Weighted
				Weighted		Average
				Average		Remaining
				Grant Date		Contractual
	Shares			Fair value		Term (in years)
Unvested at December 31, 2022		111,264		$	41.89		1.76
Granted		118,878		$	39.50		1.91
Vested		(79,592	)	$	44.47		-
Cancelled and forfeited		(242	)	$	38.77		-
Unvested at June 30, 2023		150,308		$	38.64		2.10
Expected to vest in the future at June 30, 2023		147,097		$	38.64		2.10