Inventories (Tables)

9 Months Ended

Sep. 30, 2020

Inventory Disclosure [Abstract]

Schedule of Inventories

Inventories were as follows:

(U.S. Dollars, in thousands)	September 30, 2020		December 31, 2019
Raw materials	$	7,779	$	9,587
Work-in-process		12,050		14,027
Finished products		26,384		20,712
Field/consignment		36,646		38,071
Inventories	$	82,859	$	82,397