CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
CASH FLOWS FROM OPERATING ACTIVITIES:
Net Loss	$ (29,943)us-gaap_NetIncomeLoss	$ (27,790)us-gaap_NetIncomeLoss	$ (11,618)us-gaap_NetIncomeLoss
Adjustments required to reconcile net loss to net cash provided by (used in) operating activities:
Share based compensation	1,242us-gaap_ShareBasedCompensation	4,089us-gaap_ShareBasedCompensation	7,751us-gaap_ShareBasedCompensation
Depreciation	3,140us-gaap_Depreciation	3,539us-gaap_Depreciation	3,692us-gaap_Depreciation
Financial expenses (income), net (mainly exchange differences)	1,446	(264)	(171)
Changes in accrued liability for employee rights upon retirement	140	200	276
Gain on amounts funded in respect of employee rights upon retirement	(22)	(58)	(36)
Gain on sale of fixed assets	(3)
Amortization of debt issuance costs and debt discount	444us-gaap_AmortizationOfFinancingCosts	127us-gaap_AmortizationOfFinancingCosts
Changes in operating assets and liabilities:
Increase (decrease) in deferred revenues (including non-current portion)	(7,170)	(7,160)	1,281
Decrease (increase) in accounts receivable and other assets	(799)	1,904	243
Decrease (increase) in inventories	1,290us-gaap_IncreaseDecreaseInInventories	(3,918)us-gaap_IncreaseDecreaseInInventories	(3,760)us-gaap_IncreaseDecreaseInInventories
Increase (decrease) in accounts payable and accruals (including long term)	954	(1,322)	2,977
Net cash provided by (used in) operating activities	(29,281)	(30,653)	635
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchase of property and equipment	(785)	(1,890)	(2,068)
Proceeds from sale of property and equipment	11
Investment in restricted deposit	(90)	(42)	(80)
Amounts funded in respect of employee rights upon retirement, net	(137)	(170)	(138)
Net cash used in investing activities	(1,001)	(2,102)	(2,286)
CASH FLOWS FROM FINANCING ACTIVITIES:
Net proceeds from issuance of convertible notes		66,780us-gaap_ProceedsFromConvertibleDebt
Issuance of shares, net of issuance cost			25,328
Exercise of options	46	112	1,230
Net cash provided by financing activities	46	66,892	26,558
EFFECT OF EXCHANGE RATE CHANGES ON CASH	(1,395)	226	127
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	(31,631)	34,363	25,034
BALANCE OF CASH AND CASH EQUIVALENTS AT BEGINNING OF YEAR	86,398	52,035	27,001
BALANCE OF CASH AND CASH EQUIVALENTS AT END OF YEAR	54,767	86,398	52,035
SUPPLEMENTARY INFORMATION ON INVESTING AND FINANCING ACTIVITIES NOT INVOLVING CASH FLOWS:
Purchase of property and equipment	120	186	1,136
SUPPLEMENTARY DISCLOSURE ON CASH FLOWS-
Interest paid	$ 3,079us-gaap_InterestPaidNet

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The net cash inflow or outflow for the increase (decrease) associated with funds that are not available for withdrawal or use (such as funds held in escrow) and are associated with underlying transactions that are classified as investing activities.

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The amount of cash paid for interest during the period net of cash paid for interest that is capitalized.

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Amount of cash inflow (outflow) of financing activities, excluding discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit.

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The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets.

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The amount of pension and other (such as medical, dental and life insurance) postretirement benefit costs recognized during the period for (1) defined benefit plans (periodic benefit costs include the following components: service cost, interest cost, expected return on plan assets, gain (loss) on assets, prior service cost or credit, transition asset or obligation, and gain (loss) due to settlements or curtailments) and for (2) defined contribution plans (to the extent that a plan's defined contributions to an individual's account are to be made for periods in which that individual renders services, the net cost for a period is the contribution called for in that period; if a plan calls for contributions for periods after an individual retires or terminates, the estimated cost is accrued during the employee's service period).

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The cash inflow associated with the amount received from holders exercising their stock options. This item inherently excludes any excess tax benefit, which the entity may have realized and reported separately.

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