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Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands | 6 Months Ended
--- | ---
Jun. 30, 2024 | Jun. 30, 2023
Operating Activities: |  |
Net loss | $ (14,955) | $ (17,231)
Adjustments to reconcile net loss to net cash used in operating activities: |  |
Depreciation and amortization [note 4] | 114 | 113
Stock-based compensation [note 8[c], note 8[e], note 8[f] and note 8[g]] | 2,742 | 2,275
Accrued interest on SVB convertible debt [note 7] | 624 | 606
Accretion of discount on modification of debt | 322 | 107
Change in fair value of contingent consideration [note 5 and note 6] | 109 |
Changes in operating assets and liabilities: |  |
Grant receivable [note 3] | 111 | (245)
Prepaid expenses and other assets | 61 | 1,517
Accounts payable | (68) | (1,299)
Accrued liabilities other | 266 | 369
Accrued clinical liabilities | 1,428 | (689)
Accrued compensation | (962) | (444)
Lease obligation [note 9] | (1) | (58)
Net cash used in operating activities | (10,209) | (14,979)
Financing Activities: |  |
Proceeds from exercise of warrants |  | 227
Taxes paid related to net share settlement of equity awards | (114) | (220)
Net cash provided by financing activities | 55,957 | 15,278
Investing Activities: |  |
Purchase of investments | (46,568) |
Net cash used in investing activities | (46,568) |
Effect of exchange rate changes on cash |  | 1
Net increase/(decrease) in cash, cash equivalents and restricted cash | (820) | 300
Cash, cash equivalents and restricted cash at beginning of the period | 15,596 | 24,821
Cash, cash equivalents and restricted cash at end of the period | 14,776 | 25,121
November 2022 Private Placement [Member] |  |
Financing Activities: |  |
Financing costs relating to November 2022 private placement |  | (30)
May 2023 Private Placement [Member] |  |
Financing Activities: |  |
Proceeds from private placement, net of issuance costs |  | $ 15,301
February 2024 Private Placement [Member] |  |
Financing Activities: |  |
Proceeds from private placement, net of issuance costs | $ 56,071 |

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