Condensed Consolidated Statements of Operations and Comprehensive Loss (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended
Mar. 31, 2015	Mar. 31, 2014
Operating expenses
Research and development	$ 4,409us-gaap_ResearchAndDevelopmentExpense	$ 2,251us-gaap_ResearchAndDevelopmentExpense
Marketing	222us-gaap_MarketingExpense	219us-gaap_MarketingExpense
General and administrative	905us-gaap_GeneralAndAdministrativeExpense	363us-gaap_GeneralAndAdministrativeExpense
Total operating loss	5,536us-gaap_OperatingIncomeLoss	2,833us-gaap_OperatingIncomeLoss
Financial income, net	(103)us-gaap_NonoperatingIncomeExpense	(81)us-gaap_NonoperatingIncomeExpense
Loss before taxes on income	(5,433)	(2,752)
Taxes on income	(123)us-gaap_IncomeTaxExpenseBenefit	(45)us-gaap_IncomeTaxExpenseBenefit
Net loss	$ (5,556)us-gaap_NetIncomeLoss	$ (2,797)us-gaap_NetIncomeLoss
Net loss per share:
Basic and diluted net loss per Ordinary Share	$ (4.35)	$ (6.74)
Weighted-average number of ordinary shares used to compute basic and diluted net loss per share	1,503,708	501,828

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The aggregate total of expenses of managing and administering the affairs of an entity, including affiliates of the reporting entity, which are not directly or indirectly associated with the manufacture, sale or creation of a product or product line.

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This element represents the income or loss from continuing operations attributable to the economic entity which may also be defined as revenue less expenses from ongoing operations, after income or loss from equity method investments, but before income taxes, extraordinary items, and noncontrolling interest.

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The amount of net income (loss) from continuing operations per each basic and diluted share of common stock or unit when the per share amount is the same for both basic and diluted shares.

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Expenditures for planning and executing the conception, pricing, promotion, and distribution of ideas, goods, and services. Costs of public relations and corporate promotions are typically considered to be marketing costs.

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The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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The aggregate amount of income or expense from ancillary business-related activities (that is to say, excluding major activities considered part of the normal operations of the business).

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The net result for the period of deducting operating expenses from operating revenues.

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The aggregate costs incurred (1) in a planned search or critical investigation aimed at discovery of new knowledge with the hope that such knowledge will be useful in developing a new product or service, a new process or technique, or in bringing about a significant improvement to an existing product or process; or (2) to translate research findings or other knowledge into a plan or design for a new product or process or for a significant improvement to an existing product or process whether intended for sale or the entity's use, during the reporting period charged to research and development projects, including the costs of developing computer software up to the point in time of achieving technological feasibility, and costs allocated in accounting for a business combination to in-process projects deemed to have no alternative future use.

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Average number of shares or units issued and outstanding that are used in calculating basic and diluted earnings per share (EPS).

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