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v3.20.1

CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2020 | Mar. 31, 2019
Operating Activities: |  |
Net loss | $ (42,974) | $ (42,203)
Adjustments to reconcile net loss to net cash used in operating activities: |  |
Depreciation and amortization | 1,311 | 715
Amortization of discount on marketable securities | (744) | (1,238)
Amortization and other changes in right-of-use assets | 1,886 | 782
Loss (gain) on free shares | 73 | (545)
Stock-based compensation | 5,620 | 4,523
Net loss on lease termination | 0 | 218
Other | 0 | 44
Net changes in operating assets and liabilities: |  |
Interest receivable | (244) | (219)
Accounts receivable | 29,939 | (2,638)
Prepaid expenses and other assets | (100) | 1,152
Prepaid rent | 0 | (12,101)
Accounts payable and accrued liabilities | 345 | 10,183
Accrued compensation and employee benefits | (4,965) | (3,306)
Deferred revenues | (8,319) | (370)
Long-term portion of lease liabilities | (887) | (66)
Other non-current liabilities | 169 | (50)
Net cash used in operating activities | (18,890) | (45,119)
Investing Activities: |  |
Purchases of marketable securities | (43,580) | (87,075)
Maturities of marketable securities | 71,075 | 78,253
Purchases of property and equipment | (3,775) | (5,977)
Net cash provided by (used in) investing activities | 23,720 | (14,799)
Financing Activities: |  |
Taxes paid related to net share settlement of equity awards | (411) | (265)
Proceeds from exercise of stock options and restricted stock units | 820 | 481
Net cash provided by financing activities | 409 | 216
Effects of changes in foreign exchange rates | 82 | 252
Net increase (decrease) in cash, cash equivalents, and restricted cash | 5,321 | (59,450)
Cash, cash equivalents, and restricted cash, beginning of period | 81,928 | 143,918
Cash, cash equivalents, and restricted cash, end of period | 87,249 | 84,468
Supplemental disclosure of non-cash activities: |  |
Property and equipment included in unpaid liabilities | 1,080 | 1,834
Right-of-use assets obtained in exchange for lease obligations | $ 0 | $ 6,676

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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
Name: | us-gaap_ShareBasedCompensation
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration