RELATED PARTY TRANSACTIONS (Tables)

12 Months Ended

Dec. 31, 2017

RELATED PARTY TRANSACTIONS [Abstract]

Schedule of Related Party Transactions

	Year ended December 31,
	2015		2016		2017
(U.S. dollars in thousands)
Compensation (including share based compensation) to the non-executive directors (includes the interim Chairman of the Board through 2015 and the Chairman of the Board for part of 2015)	$	631	$	560	$	499