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v3.19.1

Statements of Cash Flows - USD ($) $ in Thousands | 8 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2017 | Dec. 31, 2018
Cash flows from operating activities |  |
Net loss | $ (7,156) | $ (12,740)
Adjustments to reconcile net loss to net cash used in operating activities: |  |
Stock-based compensation | 1,761 | 1,850
Depreciation and amortization | 13 | 63
Change in fair value of warrant liability | 41 | 2,583
Changes in operating assets and liabilities: |  |
Prepaid expenses and other assets | (170) | (663)
Accounts payable | 539 | 413
Accrued liabilities | 254 | 349
Net cash used in operating activities | (4,718) | (8,145)
Cash used in investing activities |  |
Purchases of property and equipment | (130) | (236)
Cash flows from financing activities |  |
Proceeds from initial public offering, net of underwriting discounts and commissions |  | 22,803
Payments of initial public offering costs |  | (843)
Proceeds from issuance of redeemable convertible preferred stock, net of issuance costs | 18,000 |
Proceeds from issuance of common stock | 4 |
Net cash provided by financing activities | 18,004 | 21,960
Change in cash and cash equivalents | 13,156 | 13,579
Cash and cash equivalents at beginning of period |  | 13,156
Cash and cash equivalents at end of period | 13,156 | 26,735
Supplemental disclosures of cash flow information |  |
Cash paid for interest |  |
Cash paid for income taxes |  |
Supplemental disclosures of non-cash investing and financing activities: |  |
Accrued dividends on redeemable convertible preferred stock | 643 | 1,048
Deemed dividends for accretion of redeemable convertible preferred stock issuance costs | 840 | 1,694
Common stock warrant liability issued with redeemable convertible preferred stock financing | 479 |
Purchase of equipment included in accounts payable |  | 469
Beneficial conversion feature on redeemable convertible preferred stock |  | 21,747
Reclassification of common stock warrants from liability to additional paid-in-capital |  | $ 3,103

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