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v3.22.1

Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2022 | Mar. 31, 2021
Cash flows from operating activities |  |
Net loss | $ (23,263) | $ (12,240)
Adjustments to reconcile net loss to net cash used in operating activities: |  |
Depreciation | 179 | 135
Accretion of debt discount and amortization of debt issuance costs | 161 | 170
Stock-based compensation expense | 2,974 | 277
Provision for doubtful accounts receivable | (60) | 27
Provision for excess and obsolete inventories | 8 | 211
Noncash operating lease expense | 121 | 156
Change in fair value of redeemable convertible preferred stock warrant | 0 | (555)
Loss on disposal of property and equipment | 46 | 4
Changes in operating assets and liabilities: |  |
Accounts receivable | (1,180) | (301)
Inventory | (615) | (146)
Prepaid expenses and other current assets | 1,472 | 122
Other noncurrent assets | 10 | (1,024)
Accounts payable | (248) | 1,071
Accrued compensation | (2,129) | (1,845)
Accrued and other current liabilities | 472 | 977
Other noncurrent liabilities | 86 | 91
Net cash used in operating activities | (21,966) | (12,870)
Cash flows from investing activities |  |
Purchases of property and equipment | (227) | (104)
Net cash used in investing activities | (227) | (104)
Cash flows from financing activities |  |
Payments of costs related to initial public offering | 0 | (223)
Proceeds from exercise of common stock options | 92 | 13
Net cash provided by (used in) financing activities | 92 | (210)
Net change in cash and cash equivalents | (22,101) | (13,184)
Cash and cash equivalents at beginning of period | 260,687 | 61,511
Cash and cash equivalents at end of period | 238,586 | 48,327
Supplemental disclosure of cash flow information |  |
Cash paid for interest | 766 | 766
Supplemental noncash disclosure |  |
Acquisition of property and equipment included in accounts payable and accrued liabilities | 418 | 35
Unpaid initial public offering costs in accounts payable and accrued liabilities | $ 0 | $ 1,017

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