TAXES ON INCOME (Tables)

12 Months Ended

Dec. 31, 2012

TAXES ON INCOME [Abstract]

Schedule of Deferred Tax Assets

	December 31,
(U.S. dollars in thousands)	2011			2012
In respect of:
Research and development expenses	$	4,119			6,003
Property and equipment		(149	)		(647	)
Provision for vacation		305			363
Severance pay obligation		164			192
Deferred revenues		4,746			10,449
Net operating loss carry forwards		4,579			15,176
Valuation allowance		(13,764	)		(31,536	)
		-			-

Schedule of Open Tax Years

Jurisdiction:	Years:
Israel	2009-2012
United States (*)	2009-2012
Netherlands	2009-2012

(*) Includes federal, state and local (or similar provincial jurisdictions) tax positions.