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v3.22.1

Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2022 | Mar. 31, 2021
OPERATING ACTIVITIES |  |
Net loss | $ (23,646) | $ (16,429)
Adjustments to reconcile net loss to net cash used in operating activities: |  |
Stock-based compensation | 8,062 | 6,039
Depreciation and amortization | 875 | 482
Net amortization of premium on available-for-sale securities | 314 | 152
Non-cash operating lease expense | 551 | 78
Changes in operating assets and liabilities: |  |
Accounts receivable, net | (298) | 0
Related party receivables | 157 | (2)
Other receivables | (174) | (249)
Prepaid expenses and other current assets | (2,850) | (2,589)
Inventory | 300 | (990)
Other assets | 11 | 30
Accounts payable | (479) | (234)
Deferred revenue | 18 | 6
Accrued expenses | (2,038) | (990)
Operating lease liabilities | 46 | (93)
Other noncurrent liabilities | 0 | (83)
Net cash used in operating activities | (19,151) | (14,872)
INVESTING ACTIVITIES |  |
Purchases of property and equipment | (1,080) | (838)
Purchase of available-for-sale securities | 0 | (30,279)
Proceeds from maturities of available-for-sale securities | 12,000 | 43,000
Net cash provided by investing activities | 10,920 | 11,883
FINANCING ACTIVITIES |  |
Proceeds from issuance of common stock upon follow-on public offering, net of issuance costs | 0 | 103,595
Proceeds from return of profit | 0 | 11,403
Repurchase of Class A common stock | (21) | (2)
Proceeds from exercise of Class A common stock options including early exercised options | 773 | 171
Net cash provided by financing activities | 752 | 115,167
Net increase (decrease) in cash, cash equivalents and restricted cash | (7,479) | 112,178
Cash, cash equivalents and restricted cash, beginning of period | 233,337 | 333,928
Cash, cash equivalents and restricted cash, end of period | 225,858 | 446,106
SUPPLEMENTAL DISCLOSURE OF NON-CASH ACTIVITIES |  |
Lease liability obtained in exchange for right-of-use assets | 6,855 | 7,823
Accounts Payable |  |
SUPPLEMENTAL DISCLOSURE OF NON-CASH ACTIVITIES |  |
Property and equipment purchases included in accounts payable and in accrued expenses | 204 | 9
Offering costs in accounts payable and in accrued expenses | 0 | 158
Accrued Liabilities |  |
SUPPLEMENTAL DISCLOSURE OF NON-CASH ACTIVITIES |  |
Property and equipment purchases included in accounts payable and in accrued expenses | 183 | 49
Offering costs in accounts payable and in accrued expenses | $ 0 | $ 478

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