CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
CURRENT ASSETS:
Cash and cash equivalents	$ 196,784	$ 177,321
Short-term investments	149,930	148,769
Restricted cash	801	2,095
Trade receivables	76,026	58,859
Receivables and prepaid expenses	38,104	29,202
Inventories	26,136	23,701
Total current assets	487,781	439,947
LONG-TERM ASSETS:
Property and equipment, net	10,530	9,342
Field equipment, net	8,339	7,684
Right-of-use assets, net	17,429	17,571
Other long-term assets	4,860	4,904
Total long-term assets	41,158	39,501
TOTAL ASSETS	528,939	479,448
CURRENT LIABILITIES:
Trade payables	38,506	36,925
Other payables, lease liabilities and accrued expenses	46,615	49,386
Total current liabilities	85,121	86,311
LONG-TERM LIABILITIES:
Long-term loan, net of discount and issuance costs	149,507	149,424
Deferred revenue	8,022	7,807
Long-term leases	13,668	14,140
Employee benefits	4,626	3,754
Other long-term liabilities	173	222
Total long-term liabilities	175,996	175,347
TOTAL LIABILITIES	261,117	261,658
COMMITMENTS AND CONTINGENCIES
SHAREHOLDERS' EQUITY:
Ordinary shares no par value, unlimited shares authorized; issued and outstanding: 101,020,721 shares and 99,528,435 shares at June 30, 2020 (unaudited) and December 31, 2019, respectively	0	0
Additional paid-in capital	916,632	871,442
Accumulated other comprehensive income (loss)	(3,532)	(2,767)
Retained earnings (accumulated deficit)	(645,278)	(650,885)
TOTAL SHAREHOLDERS' EQUITY	267,822	217,790
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY	$ 528,939	$ 479,448