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v3.10.0.1

Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands | 6 Months Ended
--- | ---
Jun. 30, 2018 | Jun. 30, 2017
Operating Activities: |  |
Net loss | $ (36,827) | $ (29,123)
Adjustments to reconcile net loss to net cash used in operating activities: |  |
Depreciation and amortization | 1,207 | 618
Amortization of (discount) premium on marketable securities | (1,656) | 32
Stock-based compensation | 6,564 | 4,751
Other | 465 |
Net changes in operating assets and liabilities: |  |
Interest receivable | (322) | (32)
Accounts receivable | (1,634) | 1,477
Prepaid expenses and other assets | (3,564) | (1,039)
Accounts payable and accrued liabilities | 2,733 | 2,654
Accrued compensation and employee benefits | (1,133) | 24
Deferred revenues | 138,474 | 64,346
Net cash provided by operating activities | 104,307 | 43,708
Investing Activities: |  |
Purchases of marketable securities | (451,240) | (159,166)
Maturities of marketable securities | 133,297 | 83,029
Purchases of property and equipment | (5,768) | (2,175)
Net cash used in investing activities | (323,711) | (78,312)
Financing Activities: |  |
Proceeds from public offering of common stock, net of issuance costs | 215,756 | 81,562
Taxes paid related to net share settlement of equity awards | (57) | (7)
Proceeds from issuance of common stock | 13,285 | 825
Net cash provided by financing activities | 228,984 | 82,380
Net increase in cash, cash equivalents, and restricted cash | 9,580 | 47,776
Cash, cash equivalents, and restricted cash, beginning of period | 53,326 | 22,061
Cash, cash equivalents, and restricted cash, end of period | 62,906 | 69,837
Property and Equipment [Member] |  |
Supplemental disclosure of noncash investing activities: |  |
Property and equipment included in accrued liabilities | $ 1,836 | $ 226

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