Note 9 - Share-based Compensation (Tables)

9 Months Ended

Sep. 30, 2022

Notes Tables

Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block]

	Three Months Ended September 30,				Nine Months Ended September 30,
	2022		2021		2022		2021
Cost of sales	$	474	$	202	$	822	$	685
Selling, general, and administrative expense		695		395		1,655		1,752
Total	$	1,169	$	597	$	2,477	$	2,437

Schedule of Unvested Restricted Stock Units and Performance Share Awards Activity [Table Text Block]

	Number of RSUs and PSAs (1)			Weighted-Average Grant Date Fair Value
Unvested RSUs and PSAs as of December 31, 2021		161,131		$	30.26
RSUs and PSAs granted		116,622			30.68
Unvested RSUs and PSAs canceled		(8,248	)		31.18
RSUs and PSAs vested (2)		(68,581	)		29.29
Unvested RSUs and PSAs as of September 30, 2022		200,924			30.80