CONDENSED INTERIM CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
CURRENT ASSETS:
Cash and cash equivalents	$ 115,822	$ 119,423
Short-term investments	119,724	150,001
Restricted cash	72	87
Receivables and prepaid expenses	11,840	10,799
Inventories	23,972	13,594
Total current assets	271,430	293,904
LONG-TERM ASSETS:
Property and equipment, net	9,886	6,552
Field equipment, net	8,042	6,029
Severance pay fund	89	79
Other long-term assets	1,646	772
Total long-term assets	19,663	13,432
TOTAL ASSETS	291,093	307,336
CURRENT LIABILITIES:
Trade payables	15,243	16,755
Other payables and accrued expenses	14,469	11,872
Total current liabilities	29,712	28,627
LONG-TERM LIABILITIES:
Long-term loan, net of discount and issuance costs	95,970	23,097
Employee benefit liabilities	3,132	2,057
Other long-term liabilities	4,036	2,735
Total long-term liabilities	103,138	27,889
TOTAL LIABILITIES	132,850	56,516
COMMITMENTS AND CONTINGENCIES	0	0
SHAREHOLDERS' EQUITY:
Ordinary shares no par value, unlimited shares authorized; issued and outstanding: 85,775,203 (unaudited) shares and 83,778,581 shares at September 30, 2016 and December 31, 2015, respectively	0	0
Additional paid-in capital	658,086	640,406
Accumulated other comprehensive loss	(2,085)	(1,505)
Accumulated deficit	(497,758)	(388,081)
Total shareholders' equity	158,243	250,820
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY	$ 291,093	$ 307,336