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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2024 | Mar. 31, 2023
Operating Activities: |  |
Net (loss) income | $ (49,089) | $ 21,133
Adjustments to reconcile net loss to net cash used in operating activities: |  |
Impairment of long-lived assets | 4,349 | 20,433
Depreciation and amortization | 1,406 | 3,489
Accretion of discount on marketable securities | (273) | (1,048)
Amortization in operating lease right-of-use assets | 1,120 | 2,092
Stock-based compensation | 2,719 | 8,277
Impairment of goodwill | 0 | 38,138
Net changes in operating assets and liabilities: |  |
Interest receivable | 354 | (229)
Accounts receivable | 232 | (3,348)
Prepaid expenses and other assets | (783) | 6,223
Accounts payable and other accrued liabilities | (4,939) | (1,905)
Accrued compensation and employee benefits | (2,559) | (8,599)
Lease liabilities | (1,218) | (1,212)
Other non-current liabilities | 18 | 22
Deferred revenues | 0 | (149,766)
Net cash used in operating activities | (48,663) | (66,300)
Investing Activities: |  |
Purchases of marketable securities | 0 | (36,225)
Maturities of marketable securities | 1,110 | 82,153
Sales of marketable securities | 34,730 | 0
Purchases of property and equipment | 0 | (10,200)
Net cash provided by investing activities | 35,840 | 35,728
Financing Activities: |  |
Taxes paid related to net share settlement of equity awards | (402) | (1,109)
Net cash provided by financing activities | 22,122 | 8,002
Effect of exchange rate changes on cash, cash equivalents, and restricted cash | (670) | 367
Net increase (decrease) in cash, cash equivalents, and restricted cash | 8,629 | (22,203)
Cash, cash equivalents, and restricted cash, beginning of period | 46,704 | 101,944
Cash, cash equivalents, and restricted cash, end of period | 55,333 | 79,741
Supplemental cash flow disclosures: |  |
Offering expenses in relation to issuance of common stock included in unpaid liabilities | 736 | 0
Property and equipment included in unpaid liabilities | 460 | 5,184
Direct offering |  |
Financing Activities: |  |
Proceeds from issuance of common stock, net of offering expenses | 22,524 | 0
At the Market Offering |  |
Financing Activities: |  |
Proceeds from issuance of common stock, net of offering expenses | $ 0 | $ 9,111

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