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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Sep. 30, 2023 | Sep. 30, 2023 | Sep. 30, 2022 | Dec. 31, 2022
Cash flows from operating activities: |  |  |  |
Net loss |  | $ (20,722) | $ (11,128) |
Adjustments to reconcile net loss to net cash used in operating activities: |  |  |  |
Stock-based compensation expense |  | 6,450 | 2,620 |
Royalty purchase agreement asset impairment |  | 1,575 |  |
Change in fair value of contingent consideration under RPAs, AAAs, and CPPAs |  | (75) |  |
Common stock contribution to 401(k) |  | 123 | 85 |
Amortization of intangible assets | $ 224 | 673 |  |
Depreciation |  | 2 | 7 |
Non-cash lease expense |  | 115 | 127 |
Change in fair value of equity securities |  | 121 | 330 |
Changes in assets and liabilities: |  |  |  |
Trade and other receivables, net |  | (42) | 193 |
Prepaid expenses and other assets |  | (202) | (343) |
Accounts payable and accrued liabilities |  | (554) | 596 |
Income taxes payable |  |  | (91) |
Operating lease liabilities |  | (120) | (144) |
Unearned revenue recognized under units-of-revenue method |  | (1,575) | (1,241) |
Net cash used in operating activities |  | (14,231) | (8,989) |
Cash flows from investing activities: |  |  |  |
Payments of consideration under RPAs, AAAs and CPPAs |  | (14,650) | (8,000) |
Receipts under RPAs, AAAs and CPPAs |  | 8,428 | 3,026 |
Net cash used in investing activities |  | (6,222) | (4,974) |
Cash flows from financing activities: |  |  |  |
Payment of preferred stock dividends |  | (4,104) | (4,104) |
Proceeds from exercise of options and other share-based compensation |  | 208 | 2,373 |
Taxes paid related to net share settlement of equity awards |  | (5) | (1,398) |
Net cash used in financing activities |  | (3,901) | (3,129) |
Net decrease in cash, cash equivalents and restricted cash |  | (24,354) | (17,092) |
Cash, cash equivalents and restricted cash at the beginning of the period |  | 57,826 | 95,377 | $ 95,377
Cash, cash equivalents and restricted cash at the end of the period | 33,472 | 33,472 | 78,285 | $ 57,826
Supplemental Cash Flow Information: |  |  |  |
Cash paid for taxes |  |  | 95 |
Right-of-use assets obtained in exchange for operating lease liabilities |  | 85 |  |
Non-cash investing and financing activities: |  |  |  |
Preferred stock dividend accrual | $ 1,368 | 1,368 | $ 1,368 |
Estimated fair value of contingent consideration under the LadRx Agreements |  | 1,000 |  |
Accrual of contingent consideration under the Affitech CPPA |  | $ 3,000 |  |

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