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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($) $ in Thousands | 9 Months Ended
--- | ---
Sep. 30, 2024 | Sep. 30, 2023
Cash flows used in operating activities: |  |
Net loss | $ (9,075) | $ (9,506)
Adjustments to reconcile net loss to net cash used in operating activities: |  |
Depreciation and amortization | 524 | 477
Amortization of deferred financing costs and debt discount | 20 | 160
Share-based compensation expense | 422 | 428
Accretion of discount on short-term investments | (70) |
Non-cash financing expense | 3,545 |
Change in fair value of warrants | (5,654) |
Loss on disposal of property and equipment |  | 2
Amortization of operating lease right-of-use assets | 96 | 86
Stock issued for research and development |  | 75
Increases (decreases) in cash caused by changes in operating assets and liabilities: |  |
Grant receivable |  | (91)
Other current assets | 704 | 3,190
Accounts payable and accrued expenses | 1,326 | (4,061)
Change in operating lease liabilities | (97) | (87)
Deferred grant liability | (1,084) | (1,643)
Net cash used in operating activities | (9,343) | (10,970)
Cash flows used in investing activities: |  |
Purchases of property and equipment | (135) | (118)
Redemption of short-term investments | 3,650 |
Purchase of short-term investments | (7,145) |
Purchase of intangible assets | (545) |
Net cash used in investing activities | (4,175) | (118)
Cash flows provided by financing activities: |  |
Principal payments of term loan obligation | (3,996) | (1,206)
Proceeds from credit facility | 3,292 |
Purchase of treasury stock | (374) |
Proceeds from sale of common stock, net of offering costs of $0.2 million |  | 5,180
Proceeds from sale of common stock, warrants and pre-funded warrants, net | 7,265 | 0
Net cash provided by financing activities | 6,187 | 3,974
Net decrease in cash and cash equivalents | (7,331) | (7,114)
Cash and cash equivalents at beginning of period | 8,554 | 18,120
Cash and cash equivalents at end of period | 1,223 | 11,006
Cash paid during period for: |  |
Interest | 32 | 186
Supplemental schedule of non-cash investing and financing activities: |  |
Unpaid offering cost | $ 0 | 1
Right-of-use assets obtained in exchange for operating lease liability |  | 71
Common stock issued in payment for in process research and development |  | $ 75

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