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v3.23.3

Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands | 9 Months Ended
--- | ---
Sep. 30, 2023 | Sep. 30, 2022
Cash flows from operating activities |  |
Net loss | $ (44,150) | $ (90,142)
Adjustments to reconcile net loss to net cash provided by operating activities: |  |
Depreciation and amortization | 28,184 | 22,947
Stock-based compensation | 54,083 | 78,209
Non-cash charitable contribution | 3,191 | 3,270
Asset Impairment Charges | 1,407 | 1,509
Amortization of cloud-based software implementation costs | 1,679 | 96
Change in operating assets and liabilities: |  |
Accounts receivable, net | 714 | (126)
Inventory | 5,231 | (13,522)
Prepaid expenses and other assets | 410 | (4,546)
Accounts payable | 2,756 | (9,209)
Accrued expenses | (1,207) | (4,319)
Deferred revenue | (8,005) | (5,796)
Other current liabilities | (116) | (6)
Right-of-use lease assets and current and non-current lease liabilities | 3,458 | 6,346
Other liabilities | (309) | 1,820
Net cash provided by (used in) operating activities | 47,326 | (13,469)
Cash flows from investing activities |  |
Purchases of property and equipment | (40,098) | (45,966)
Investment in optical equipment company | (1,000) | 0
Net cash used in investing activities | (41,098) | (45,966)
Cash flows from financing activities |  |
Proceeds from stock option exercises | 1,017 | 295
Proceeds from shares issued in connection with employee stock purchase plan | 1,124 | 1,754
Proceeds from repayment of related party loans | 0 | 45
Net cash provided by financing activities | 2,141 | 2,094
Effect of exchange rates on cash | (989) | (1,190)
Net change in cash and cash equivalents | 7,380 | (58,531)
Cash and cash equivalents, beginning of period | 208,585 | 256,416
Cash and cash equivalents, end of period | 215,965 | 197,885
Supplemental disclosures |  |
Cash paid for income taxes | 400 | 471
Cash paid for interest | 155 | 89
Payments for Leasing Costs | 27,124 | 23,262
Non-cash investing and financing activities: |  |
Purchases of property and equipment included in accounts payable and accrued expenses | $ 5,941 | $ 4,819

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