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v3.20.4

Statements of Cash Flows - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019
Cash flows from operating activities: |  |
Net loss | $ (33,339) | $ (16,943)
Adjustments to reconcile net loss to net cash used in operating activities: |  |
Stock-based compensation | 4,388 | 2,300
Amortization of premium on investments | 119 |
Depreciation | 354 | 104
Changes in operating assets and liabilities: |  |
Prepaid expenses and other current assets | (524) | (3,372)
Other assets | (198) | (101)
Accounts payable | 555 | 246
Accrued and other current liabilities | 1,875 | 1,721
Net cash used in operating activities | (26,770) | (16,045)
Cash flows from investing activities: |  |
Purchases of property and equipment | (635) | (693)
Purchases of investments | (11,097) |
Proceeds from maturities of investments | 3,751 |
Net cash used in investing activities | (7,981) | (693)
Cash flows from financing activities: |  |
Proceeds from issuance of common stock, net of issuance costs | (192) | 71,212
Proceeds from issuance of convertible preferred stock |  | 50,000
Issuance costs of convertible preferred stock |  | (1,293)
Proceeds from issuance of common stock in connection with the exercise of stock options | 139 | 6
Proceeds from the issuance of common stock under employee stock purchase plan | 29 |
Net cash (used in) provided by financing activities | (24) | 119,925
Net (decrease) increase in cash and cash equivalents | (34,775) | 103,187
Cash and cash equivalents—beginning of year | 136,204 | 33,017
Cash and cash equivalents—end of year | 101,429 | 136,204
Supplemental disclosures of non-cash investing and financing activities: |  |
Conversion of convertible preferred stock into common stock |  | 97,954
Exchange of convertible preferred stock, including deemed dividend |  | 10,090
Deferred offering costs in accounts payable and accrued and other current liabilities |  | 192
Property and equipment purchases included in accounts payable | $ 20 | $ 226

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