CONDENSED INTERIM CONSOLIDATED CASH FLOWS - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
Cash flows from operating activities:
Net loss	$ (78,653)	$ (57,766)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation	2,005	1,464
Asset write-downs and impairment	42	19
Accrued interest expense	154	0
Share-based compensation to employees	7,372	3,354
Amortization of discount (premium)	231	(17)
Increase in receivables and prepaid expenses	(4,453)	(73)
Increase in inventories	(7,703)	(804)
Decrease in other long-term assets	79	20
Increase (decrease) in trade payables	4,597	(3,395)
Increase in other payables and accrued expenses	2,892	462
Increase (decrease) in severance pay, net	(3)	49
Increase (decrease) in other long-term liabilities	(323)	59
Net cash used in operating activities	(73,763)	(56,628)
Cash flows from investing activities:
Purchase of property and equipment	(3,613)	(443)
Purchase of field equipment	(3,547)	(891)
Decrease (increase) in restricted cash	(105)	1,035
Proceeds from maturity of short-term investments	77,000	69,000
Purchase of short-term investments	(58,992)	(107,981)
Net cash provided by (used in) investing activities	10,743	(39,280)
Cash flows from financing activities:
Proceeds from issuance of preferred shares, net	94,599	0
Proceeds from issuance of long-term loan, net	22,886	0
Proceeds from issuance of other long-term loans	0	54
Repayment of other long-term loan	(47)	(64)
Deferred IPO costs	(1,733)	0
Purchase of shares	(5)	0
Exercise of options and warrants	31	1
Net cash provided by (used in) financing activities	115,731	(9)
Increase (decrease) in cash and cash equivalents	52,711	(95,917)
Cash and cash equivalents at the beginning of the period	57,613	175,894
Cash and cash equivalents at the end of the period	110,324	79,977
Cash paid during the period for:
Interest	1,683	21
Income taxes, net	823	230
Non-cash financing activities:
Deferred IPO costs	$ 844	$ 0