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v3.20.2

Condensed Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands | 6 Months Ended
--- | ---
Jun. 30, 2020 | Jun. 30, 2019
Operating activities |  |
Net income (loss) | $ 10,277 | $ (28,043)
Adjustments to reconcile net income (loss) to net cash used in operating activities: |  |
Depreciation and amortization | 2,158 | 2,329
Amortization of premium (accretion of discount) on marketable securities | 54 | (1,263)
Stock-based compensation | 5,718 | 4,749
Unrealized gain on equity securities | (48,860) |
Remeasurement of liability awards | 1,979 | 28
Other | 322 | 208
Changes in operating assets and liabilities: |  |
Accounts receivable | 1,196 | (4,011)
Prepaid expenses and other assets | 1,475 | 406
Accounts payable | (1,969) | 1,309
Accrued compensation | (1,497) | (2,652)
Other liabilities | (413) | 103
Deferred rent | (79) | (20)
Deferred revenue | (1,595) | (8,889)
Net cash used in operating activities | (31,234) | (35,746)
Investing activities |  |
Purchases of marketable securities | (91,270) | (147,370)
Maturities of marketable securities | 63,800 | 72,250
Sales of marketable securities | 14,500 | 7,000
Purchases of equipment and leasehold improvements | (2,529) | (765)
Net cash used in investing activities | (15,499) | (68,885)
Financing activities |  |
Proceeds from public offering, net of issuance costs | 91,411 |
Proceeds from debt refinancing | 25,000 |
Payments of debt | (10,000) | (2,000)
Proceeds from exercise of common stock options | 64 | 52
Proceeds from employee stock purchase plan | 646 | 671
Net cash provided by (used in) financing activities | 107,121 | (1,277)
Net increase (decrease) in cash, cash equivalents and restricted cash | 60,388 | (105,908)
Cash, cash equivalents and restricted cash at beginning of period | 4,975 | 125,313
Cash, cash equivalents and restricted cash at end of period | 65,363 | 19,405
Supplemental disclosure of cash flow information: |  |
Cash paid for interest | 649 | 633
Supplemental disclosure of non-cash investing and financing information: |  |
Purchases of equipment included in accounts payable | 1,286 | 146
Embedded interest associated with program fees | 1,128 | $ 1,717
Warrants issued to lenders | $ 619 |

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- Definition The cash outflow during the period from the repayment of aggregate short-term and long-term debt. Excludes payment of capital lease obligations. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3291-108585 + Details
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- Definition Amount of noncash expense for share-based payment arrangement. + 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=118932676&loc=d3e3602-108585 + Details
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- References No definition available. + Details
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