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v3.21.1

Consolidated Statements of Cash Flows - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019
Cash flows from operating activities: |  |
Net loss | $ (49,499,000) | $ (57,420,000)
Adjustments to reconcile net loss to net cash used in operating activities: |  |
Depreciation | 60,000 | 17,000
Share-based compensation | 3,807,000 | 389,000
Deferred tax assets | (69,000) | 20,000
Revaluation of convertible preferred stock liability |  | 30,597,000
Amortization of premium on available-for-sale securities | 268,000 |
Amortization of debt issuance costs | 230,000 |
Changes in operating assets and liabilities: |  |
Prepaids and other current assets | (3,600,000) | (1,918,000)
Other assets |  | (72,000)
Accounts payable | 1,131,000 | (520,000)
Accrued expenses | 1,428,000 | 3,447,000
Net cash used in operating activities | (46,244,000) | (25,460,000)
Cash flows from investing activities: |  |
Purchases of available-for-sale securities | (118,895,000) |
Proceeds from maturities of available-for-sale securities | 12,189,000 |
Purchases of property and equipment | (126,000) | (139,000)
Net cash used in investing activities | (106,832,000) | (139,000)
Cash flows from financing activities: |  |
Proceeds from issuance of common stock upon public offerings, net of issuance costs | 157,680,000 |
Proceeds from issuance of common stock upon initial public offering, net of issuance costs |  | 87,691,000
Proceeds from issuance of convertible preferred stock and convertible preferred stock liability, net of issuance costs |  | 20,000,000
Proceeds from issuance of common stock upon stock option exercises | 271,000 |
Proceeds from issuance of common stock |  | 11,000
Payment of debt issuance costs | (161,000) |
Net cash provided by financing activities | 157,924,000 | 107,702,000
Net increase in cash and cash equivalents, and restricted cash | 4,848,000 | 82,103,000
Cash and cash equivalents, and restricted cash at beginning of period | 93,360,000 | 11,257,000
Cash and cash equivalents, and restricted cash at end of period | 98,208,000 | 93,360,000
Components of cash and cash equivalents, and restricted cash: |  |
Cash and cash equivalents | 98,183,000 | 93,335,000
Restricted cash | 25,000 | 25,000
Cash and cash equivalents, and restricted cash at end of period | 98,208,000 | 93,360,000
Supplemental disclosures of noncash information: |  |
Issuance of common stock warrant in connection with term loan facility | 634,000 |
Property and equipment purchases included in accounts payable |  | 55,000
Cash paid for taxes | 142,000 | 106,000
Conversion of convertible preferred stock into common stock at close of initial public offering |  | 49,746,000
Capital contribution related to extinguishment of convertible preferred stock liability |  | $ 25,595,000
ESPP Purchases |  |
Cash flows from financing activities: |  |
Proceeds from issuance of common stock | $ 134,000 |

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