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v3.5.0.2

Consolidated Statements of Cash Flows (unaudited) - USD ($) $ in Thousands | 9 Months Ended
--- | ---
Sep. 30, 2016 | Sep. 30, 2015
Cash flows from operating activities |  |
Net loss | $ (115,314) | $ (119,499)
Adjustments to reconcile net loss to net cash used in operating activities: |  |
Depreciation | 2,477 | 2,079
Change in valuation of warrant liability | 44 | (152)
Non-cash interest expense | 4,487 | 736
Amortization of premiums on investments | 1,610 | 1,319
Amortization of debt issuance costs | 224 | 37
Share-based compensation expense | 26,610 | 26,130
Benefit for deferred income taxes | (222) | 0
Unrealized foreign currency transaction losses, net | 1,401 | 0
Changes in operating assets and liabilities: |  |
Prepaid expenses and other current assets | 1,095 | (748)
Trade receivables, net | (16,035) | (3,582)
Deposits and other assets | (154) | 183
Accounts payable and accrued expenses | 2,080 | 2,871
Other long-term liabilities | 682 | (69)
Deferred revenue | 768 | (3,310)
Net cash used in operating activities | (90,247) | (94,005)
Cash flows from investing activities |  |
Purchases of fixed assets | (540) | (1,764)
Purchases of marketable securities | (73,692) | (134,299)
Sale and redemption of marketable securities | 155,582 | 167,082
Net cash provided by investing activities | 81,350 | 31,019
Cash flows from financing activities |  |
Proceeds from exercise of options | 926 | 8,689
Debt issuance costs related to convertible notes | 0 | (4,650)
Proceeds from issuance of convertible notes | 0 | 150,000
Net cash provided by financing activities | 926 | 154,039
Effect of exchange rate changes on cash | 235 | (89)
Net (decrease) increase in cash and cash equivalents | (7,736) | 90,964
Cash and cash equivalents, beginning of period | 58,022 | 49,748
Cash and cash equivalents, end of period | 50,286 | 140,712
Supplemental disclosure of cash information |  |
Cash paid for interest | 4,513 | 0
Cash paid for income taxes | 633 | 0
Supplemental disclosures of non-cash information related to investing and financing activities |  |
Change in unrealized gain (loss) on marketable securities, net of tax | $ 429 | $ (582)

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- Definition The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3213-108585 + Details
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- Definition The cash inflow from the issuance of a long-term debt instrument which can be exchanged for a specified amount of another security, typically the entity's common stock, at the option of the issuer or the holder. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3255-108585 + Details
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- Definition The cash inflow associated with the aggregate amount received by the entity through sale or maturity of marketable securities (held-to-maturity or available-for-sale) during the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=49167202&loc=d3e26853-111562 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (a),(b) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3179-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 + Details
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- Definition The cash inflow associated with the amount received from holders exercising their stock options. This item inherently excludes any excess tax benefit, which the entity may have realized and reported separately. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (j) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3255-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 + Details
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- Definition The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3602-108585 + Details
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- References No definition available. + Details
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