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CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023
Cash flows from operating activities: |  |
Net loss | $ (33,971) | $ (25,788)
Adjustments to reconcile net loss to net cash used in operating activities: |  |
Depreciation and amortization | 107 | 96
Equity-based compensation | 3,748 | 4,354
Amortization of right-of-use assets | 159 | 156
Loss on currency translation from liquidation of subsidiary | 195 |
Issuance of common stock as commitment shares for equity line financing |  | 318
Changes in operating assets and liabilities: |  |
Grant receivables | (1,405) | 2,391
Prepaid expenses and other assets | 1,633 | 1,852
Accounts payable and accrued expenses | 1,854 | 2,440
Deferred grant income and other liabilities | (635) | (1,687)
Operating lease liabilities | (159) | (150)
Net cash used in operating activities | (28,474) | (16,018)
Cash flows from investing activities: |  |
Payments for property and equipment | (4) | (147)
Net cash used in investing activities | (4) | (147)
Cash flows from financing activities: |  |
Proceeds from the exercise of common stock options | 82 |
Payment of employee withholding taxes on vested restricted stock units | (128) |
Payments on loan payable | (739) | (811)
Net cash provided by financing activities | 23,565 | 4,521
Effect of exchange rate changes on cash and cash equivalents |  | 4
Net decrease in cash and cash equivalents | (4,913) | (11,640)
Cash and cash equivalents |  |
Cash and cash equivalents - beginning of period | 29,922 | 41,562
Cash and cash equivalents - end of period | 25,009 | 29,922
Supplemental disclosures of non-cash financing activities: |  |
Prepayment of insurance through third-party financing | 475 | 721
At The Market Offering |  |
Cash flows from financing activities: |  |
Proceeds from issuance of common stock | 12,454 | 5,127
Follow-on Public Offering |  |
Cash flows from financing activities: |  |
Proceeds from issuance of common stock | $ 11,896 |
Equity Line Financing |  |
Cash flows from financing activities: |  |
Proceeds from issuance of common stock |  | $ 205

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