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Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2024 | Mar. 31, 2023
Cash flows from operating activities: |  |
Net loss | $ (73,928) | $ (10,307)
Adjustments to reconcile net loss to net cash (used in) provided by operating activities: |  |
Depreciation and amortization | 3,960 | 5,985
Non-cash operating lease cost | 831 | 1,266
Stock-based compensation to employees and directors | 4,776 | 5,795
(Increase) decrease in deferred income taxes, net | 69 | (3,449)
Loss from equity method securities | 18,452 | 7,181
Other non-cash adjustments | (145) | (102)
Changes in operating assets and liabilities: |  |
Accounts receivable, net | (3,667) | (4,378)
Inventories | 137 | 288
Prepaids and other current assets | 2,297 | 1,109
Other long-term assets, net | 135 | (369)
Accounts payable | 10,059 | 10,220
Accrued liabilities | (1,412) | 5,377
Unearned revenue | 5,078 | 2,643
Operating lease liabilities | (894) | (1,352)
Other long-term liabilities | (358) | 100
Net cash (used in) provided by operating activities | (34,610) | 20,007
Cash flows from investing activities: |  |
Purchase of intangible assets | (5,714) | 0
Expenditures for property and equipment | (3,422) | (5,256)
Disbursement for notes receivable | 0 | (10,000)
Other investing activities, net | 10 | 425
Net cash used in investing activities | (9,126) | (14,831)
Cash flows from financing activities: |  |
Payments of taxes withheld upon vesting of employee stock awards | (3,172) | (1,934)
Other financing activities, net | 653 | 229
Net cash used in financing activities | (2,519) | (1,705)
Net (decrease) increase in cash, cash equivalents, and restricted cash | (46,255) | 3,471
Cash, cash equivalents, and restricted cash, beginning of period | 302,749 | 371,457
Cash, cash equivalents, and restricted cash, end of period | $ 256,494 | $ 374,928

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