Note 3 - Inventories (Tables)

3 Months Ended

Mar. 31, 2023

Notes Tables

Schedule of Inventory, Current [Table Text Block]

	March 31,		December 31,
	2023		2022
	(Dollars in thousands)
Raw materials and purchased parts for assembly	$	25,422	$	10,629
Self-manufactured assembly parts and finished products		20,025		12,203
Total inventories	$	45,447	$	22,832