CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
CASH FLOWS FROM OPERATING ACTIVITIES:
Net loss	$ (7,345)	$ (4,321)
Adjustments required to reconcile net loss to net cash used in operating activities:
Share based compensation	670	1,367
Depreciation and write down of fixed assets	828	926
Financial expenses (income), net (mainly exchange differences)	14	(78)
Changes in accrued liability for employee rights upon retirement	50	60
Gain on amounts funded in respect of employee rights upon retirement	(1)	(19)
Amortization of debt issuance costs and debt discount	109
Changes in operating assets and liabilities:
Decrease in deferred revenues (including non-current portion)	(2,901)	(2,740)
Increase in accounts receivable and other assets	(744)	(42)
Decrease (increase) in inventories	1,430	(1,734)
Decrease in accounts payable and accruals (including long term )	(450)	(3,005)
Net cash used in operating activities	(8,340)	(9,586)
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchase of property and equipment	(263)	(642)
Investment in restricted deposit	(57)
Amounts funded in respect of employee rights upon retirement, net	(50)	(47)
Net cash used in investing activities	(370)	(689)
CASH FLOWS FROM FINANCING ACTIVITIES:
Exercise of options	31
Net cash provided by financing activities	31
EFFECT OF EXCHANGE RATE CHANGES ON CASH	(29)	110
NET DECREASE IN CASH AND CASH EQUIVALENTS	(8,708)	(10,165)
BALANCE OF CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD	86,398	52,035
BALANCE OF CASH AND CASH EQUIVALENTS AT END OF PERIOD	77,690	41,870
SUPPLEMENTARY INFORMATION ON INVESTING AND FINANCING ACTIVITIES NOT INVOLVING CASH FLOWS:
Purchase of property and equipment	138	815
Exercise of options granted to employees	$ 12	$ 28