VALUATION AND QUALIFYING ACCOUNTS (Tables)

12 Months Ended

Dec. 31, 2014

Valuation and Qualifying Accounts [Abstract]

Schedule of valuation allowance and qualifying accounts

	Warranty provision		Allowance for doubtful accounts		Valuation allowance for deferred tax assets
	U.S. dollars in thousands
Balance, as of December 31, 2011		243		25		9,936
Additions		49		—		94
Deductions		(33)		—		(4,180)
Balance, as of December 31, 2012		259		25		5,850
Additions		136		25		—
Deductions		(88)		—		(5,850)
Balance, as of December 31, 2013		307		50		—
Additions		261		—		—
Deductions		(98)		—		—
Balance, as of December 31, 2014		470		50		—