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v3.22.1

Consolidated Statements of Cash Flows - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020
Operating Activities |  |
Net loss | $ (87,933) | $ (56,241)
Adjustments to reconcile net loss to net cash used in operating activities: |  |
Stock-based compensation expense | 3,405 | 3,627
Depreciation and amortization | 290 | 138
Changes in operating assets and liabilities: |  |
Accounts receivable | 1,495 | 11,687
Prepaid and other assets | 3,880 | (3,043)
Accounts payable | 500 | 1,652
Accrued compensation and other accrued liabilities | (3,680) | 82
Operating lease liability and right-of-use asset | 41 | 67
Deferred revenue | (1,753) | (13,017)
Net cash flows used in operating activities | (83,755) | (55,048)
Investing Activities |  |
Proceeds from maturities of short-term investments | 49,028 | 107,565
Purchase of short-term and long-term investments |  | (97,635)
Purchases of property and equipment | (839) | (267)
Net cash flows provided by investing activities | 48,189 | 9,663
Financing Activities |  |
Issuance of common stock for public offering, net of issuance costs | 49,250 | 59,941
Issuance of common stock from ESPP purchase and stock option exercises | 303 | 435
Net cash flows provided by financing activities | 49,553 | 60,376
Net increase in cash and cash equivalents | 13,987 | 14,991
Cash and cash equivalents at beginning of the period | 30,360 | 15,369
Cash and cash equivalents at end of the period | 44,347 | 30,360
Supplemental Disclosure of Non-Cash Investing and Financing Activities: |  |
Right-of-use assets obtained in exchange for operating lease liabilities | 1,850 | $ 476
Remeasurement of right-of-use asset due to operating lease modification | $ 624 |

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