Note 7 - Inventories (Tables)

9 Months Ended

Sep. 30, 2023

Notes Tables

Schedule of Inventory, Current [Table Text Block]

	September 30, 2023		December 31, 2022
Raw materials	$	16,987	$	16,888
Work in process		1,985		2,432
Inventory consigned to others		70		59
Finished goods		3,114		3,186
Total inventories	$	22,156	$	22,565

	Three Months Ended September 30,				Nine Months Ended September 30,
	2023		2022		2023		2022
Excess and obsolete inventory charges	$	119	$	77	$	385	$	307