Quarterly report pursuant to Section 13 or 15(d)

CONSOLIDATED STATEMENTS OF CASH FLOWS

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CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)
$ in Thousands
9 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Cash flows from operating activities    
Net loss $ (107,801) $ (59,341)
Adjustments to reconcile net loss to net cash used in operating activities:    
Depreciation 5,406 5,248
Amortization 511 464
Share-based compensation expense 8,495 12,453
Realized loss on available-for-sale debt securities   2,473
Realized gain on available-for-sale debt securities (13)  
Unrealized foreign exchange losses 522 4,921
Other (195) 262
Changes in operating assets and liabilities:    
Increase in receivables and other operating assets (20,075) (4,140)
Decrease in non-current operating assets 1,468 490
Increase (decrease) in payables and deferred revenue 11,703 (35,533)
Net cash used in operating activities (99,979) (72,703)
Cash flows from investing activities    
Acquisition of property, plant and equipment (1,425) (3,823)
Acquisition of intangibles (1,036) (666)
Maturity or redemption of marketable securities 92,803 114,988
Investment in marketable securities (19,080) (75,545)
Net cash provided by investing activities 71,262 34,954
Cash flows from financing activities    
Proceeds from issuance of common stock, net of issuance costs of $0 and $347   99,653
Proceeds from exercise of stock options 366 2,933
Net cash provided by financing activities 366 102,586
Effect of currency exchange rate changes on cash, cash equivalents and restricted cash (398) 4,111
Net decrease in cash and cash equivalents (28,749) 68,948
Cash, cash equivalents and restricted cash at start of period 72,476 88,296
Cash, cash equivalents and restricted cash at end of period $ 43,727 $ 157,244