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v3.19.1

Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2019 | Mar. 31, 2018
Operating Activities: |  |
Net loss | $ (42,203) | $ (20,187)
Adjustments to reconcile net loss to net cash used in operating activities: |  |
Depreciation and amortization | 715 | 588
Amortization of discount on marketable securities | (1,238) | (459)
Gain on free shares | (545) |
Stock-based compensation | 4,523 | 3,050
Build-to-suit leases |  | 217
Net loss on lease termination | 218 |
Other | 44 |
Net changes in operating assets and liabilities: |  |
Interest receivable | (219) | (133)
Accounts receivable | (2,638) | (232)
Prepaid expenses and other assets | 1,152 | (1,334)
Operating lease right-of-use assets | 782 |
Prepaid rent | (12,101) |
Accounts payable and accrued liabilities | 10,183 | (77)
Accrued compensation and employee benefits | (3,306) | (2,268)
Deferred revenues | (370) | 2,701
Long-term portion of lease liabilities | (66) |
Other non-current liabilities | (50) |
Net cash used in operating activities | (45,119) | (18,134)
Investing Activities: |  |
Purchases of marketable securities | (87,075) | (63,401)
Maturities of marketable securities | 78,253 | 54,450
Purchases of property and equipment | (5,977) | (2,616)
Net cash used in investing activities | (14,799) | (11,567)
Financing Activities: |  |
Taxes paid related to net share settlement of equity awards | (265) | (14)
Proceeds from issuance of common stock | 481 | 10,597
Net cash provided by financing activities | 216 | 10,583
Effects of changes in foreign exchange rates | 252 |
Net increase in cash, cash equivalents, and restricted cash | (59,450) | (19,118)
Cash, cash equivalents, and restricted cash, beginning of period | 143,918 | 53,326
Cash, cash equivalents, and restricted cash, end of period | 84,468 | 34,208
Supplemental disclosure of non-cash activities: |  |
Right-of-use assets obtained in exchange for lease obligations | 6,676 |
Property and Equipment [Member] |  |
Supplemental disclosure of non-cash activities: |  |
Property and equipment included in accrued liabilities | $ 1,834 | $ 1,227

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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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3602-108585 + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Details
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Balance Type: |
Period Type: |