INVENTORIES

12 Months Ended

Dec. 31, 2018

Inventory Disclosure [Abstract]

INVENTORIES

NOTE 4 - INVENTORIES

a. Inventories at December 31, 2017 and 2018 consisted of the following:

	December 31,
(U.S. dollars in thousands)	2017		2018
Raw materials	$	3,838	$	3,792
Work in progress		485
Finished goods		3,510		4,777
Total inventory	$	7,833	$	8,569

b. During the years ended December 31, 2017 and 2018, the Company recorded approximately $0.5 million and $1.1 million, respectively, for write-down of inventory under cost of goods sold.