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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands | 6 Months Ended
--- | ---
Jun. 30, 2024 | Jun. 30, 2023
Cash flows from operating activities: |  |
Net income (loss) | $ 39,067 | $ (79,732)
Adjustments to reconcile net loss to net cash used in operating activities: |  |
Stock-based compensation expense | 4,167 | 3,787
Depreciation and amortization expense | 256 | 253
Gain on sale of non-financial asset (Note 17) | (105,000) | 0
Non-cash lease expense | 778 | 775
Accretion of debt discount | 461 | 438
Change in fair value of warrant liability | (6,460) | 24,421
Other | (281) | (41)
Changes in operating assets and liabilities: |  |
Inventory, Net | (831) | 0
Prepaid expenses, other current assets and research and development incentive receivable | 1,398 | 479
Accounts payable | (944) | (2,815)
Accrued expenses and other long-term liabilities | 4,001 | 5,024
Lease liabilities | (486) | (526)
Net cash used in operating activities | (63,874) | (47,937)
Cash flows from investing activities: |  |
Acquisition of intangible asset | (7,000) | 0
Proceeds from sale of non-financial asset | 105,000 | 0
Purchase of marketable securities | (13,267) | (4,876)
Sales and maturities of marketable securities | 7,000 | 0
Acquisition of property and equipment | (193) | (17)
Net cash provided by (used in) investing activities | 91,540 | (4,893)
Cash flows from financing activities: |  |
Proceeds from Issuance of Common Stock | 159 | 8,613
Fees paid to amendment loan agreement and issuance costs related to the sale of warrants | 0 | (381)
Repayments of borrowings and accrued end-of-term fees under loan and security agreement | 0 | (1,300)
Proceeds from borrowings under loan and security agreement | 20,000 | 0
Proceeds from sale of common stock, warrants and pre-funded warrants, net of issuance costs | 0 | 60,282
Net cash provided by financing activities | 20,159 | 67,214
Effect of exchange rate changes on cash, cash equivalents and restricted cash | (77) | 44
Net increase in cash, cash equivalents and restricted cash | 47,748 | 14,428
Cash, cash equivalents and restricted cash at beginning of period | 100,248 | 123,028
Cash, cash equivalents and restricted cash at end of period | 147,996 | 137,456
Supplemental Cash Flow Information [Abstract] |  |
Debt Issuance Costs Incurred During Noncash or Partial Noncash Transaction | 0 | 283
Acquisition of intangible assets included in accrued expenses and other liabilities | $ 3,500 | $ 0

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