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v3.19.2

Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands | 6 Months Ended
--- | ---
Jun. 30, 2019 | Jun. 30, 2018
CASH FLOWS FROM OPERATING ACTIVITIES |  |
Net loss | $ (35,186) | $ (17,533)
Adjustments to reconcile net loss to net cash used in operating activities: |  |
Depreciation and amortization | 207 | 145
Purchase net discount on marketable securities | 480 | 401
Net accretion of discount on marketable securities | (543) | (107)
Stock-based compensation | 2,326 | 1,831
Research and development services settled with stock |  | 41
Non-cash operating lease expense | 191 |
Other, net |  | (20)
Changes in operating assets and liabilities: |  |
Accounts receivable - grant |  | (1,203)
Prepaid expenses and other assets | (2,223) | (573)
Accounts payable | 2,141 | 579
Deferred revenue |  | (20)
Operating lease liabilities | (178) |
Accrued and other liabilities | 595 | (32)
Net cash used in operating activities | (32,190) | (16,491)
CASH FLOWS FROM INVESTING ACTIVITIES |  |
Purchases of property and equipment | (175) | (118)
Purchases of marketable securities | (77,956) | (26,250)
Proceeds from maturities of marketable securities | 50,054 | 11,870
Net cash used in investing activities | (28,077) | (14,498)
CASH FLOWS FROM FINANCING ACTIVITIES |  |
Proceeds from issuance of common stock and pre-funded warrants in public offering, net of offering costs | 64,298 | 37,690
Proceeds from employee stock plan purchases and stock option exercises | 450 | 1,061
Principal payments on finance lease obligation | (12) |
Net cash provided by financing activities | 64,736 | 38,751
NET INCREASE IN CASH, CASH EQUIVALENTS, AND RESTRICTED CASH | 4,469 | 7,762
CASH, CASH EQUIVALENTS, AND RESTRICTED CASH |  |
Beginning of period | 22,461 | 12,817
End of period | 26,930 | $ 20,579
Supplemental Disclosure of Non-Cash Investing and Financing Information: |  |
Leased assets obtained in exchange for lease obligations | $ 5,294 |

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