CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012
CASH FLOWS FROM OPERATING ACTIVITIES:
Net profit (loss)	$ (11,158)	$ 3,738
Adjustments required to reconcile net profit (loss) to net cash provided by (used in) operating activities:
Share based compensation	2,499	3,759
Depreciation and write down of fixed assets	1,818	1,860
Financial income, net (mainly exchange differences)	(120)	(3)
Changes in accrued liability for employee rights upon retirement	93	133
Gain on amounts funded in respect of employee rights upon retirement	(14)	(14)
Changes in operating assets and liabilities:
Decrease in deferred revenues (including non-current portion)	(4,207)	(3,546)
Increase in accounts receivable and other assets	(406)	(462)
Increase in inventories	(3,152)	(750)
Increase (decrease) in accounts payable and accruals (including long term )	(3,048)	2,128
Net cash provided by (used in) operating activities	(17,695)	6,843
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchase of property and equipment	(1,341)	(1,047)
Amounts funded in respect of employee rights upon retirement, net	(71)	(44)
Net cash used in investing activities	(1,412)	(1,091)
CASH FLOWS FROM FINANCING ACTIVITIES:
Issuance of shares, net of issuance cost		25,478
Exercise of options	30	1,086
Net cash provided by financing activities	30	26,564
EFFECT OF EXCHANGE RATE CHANGES ON CASH	168	(37)
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	(18,909)	32,279
BALANCE OF CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD	52,035	27,001
BALANCE OF CASH AND CASH EQUIVALENTS AT END OF PERIOD	33,126	59,280
SUPPLEMENTARY INFORMATION ON INVESTING AND FINANCING ACTIVITIES NOT INVOLVING CASH FLOWS:
Purchase of property and equipment	304	1,357
Issuance cost not yet paid		$ 150