Inventories

6 Months Ended

Jun. 30, 2019

Inventory Disclosure [Abstract]

Inventories

4. Inventories

Inventories were as follows:

(U.S. Dollars, in thousands)	June 30, 2019		December 31, 2018
Raw materials	$	7,752	$	8,463
Work-in-process		11,421		13,478
Finished products		59,968		54,906
Inventories	$	79,141	$	76,847