Note 9 - Stockholders' Equity (Tables)

12 Months Ended

Dec. 31, 2023

Notes Tables

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

	Number of options			Weighted average exercise price		Weighted average remaining contractual term		Aggregate intrinsic-value
Outstanding at the beginning of the year		106,000		$	20.24		2.0	$	609
Granted		19,425		$	21.62
Exercised		(26,000	)		19.36
Forfeited or expired		—			—
Outstanding at the end of the year		99,425		$	20.74		2.5	$	316
Exercisable at the end of the year		80,000		$	20.53		1.5	$	295

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

	Number of RSUs and PSUs			Weighted average grant-date fair value
Unvested as at the beginning of the year		879,277		$	37.57
Granted		943,377			20.51
Vested		(363,453	)		38.71
Forfeited		(177,450	)		35.54
Unvested at the end of the year		1,281,751		$	24.97