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TAXES ON INCOME (Tables) | 12 Months Ended
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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.

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- Definition Tabular disclosure of the components of net deferred tax asset or liability recognized in an entity's statement of financial position, including the following: the total of all deferred tax liabilities, the total of all deferred tax assets, the total valuation allowance recognized for deferred tax assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32537-109319 + Details
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