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Certain Balance Sheet Accounts | 9 Months Ended
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Sep. 30, 2023
Balance Sheet Related Disclosures [Abstract] |
Certain Balance Sheet Accounts | 3. Certain Balance Sheet Accounts Prepaid Expenses and Other Current Assets Prepaid expenses and other current assets consist of the following (in thousands):
|  | September 30, 2023 |  |  | December 31, 2022 |
Recoverable research and development tax credits |  | $ | 1,922 |  |  | $ | 6,492 |
Prepaid research and development expenses and deposits |  |  | 1,285 |  |  |  | 2,549 |
Prepaid expenses |  |  | 1,193 |  |  |  | 1,330 |
Other current assets |  |  | 601 |  |  |  | 456 |
Total prepaid expenses and other current assets |  | $ | 5,001 |  |  | $ | 10,827 |
Accrued Expenses Accrued expenses consist of the following (in thousands):
|  | September 30, 2023 |  |  | December 31, 2022 |
Accrued payroll |  | $ | 1,147 |  |  | $ | 2,900 |
Restructuring liability |  |  | 422 |  |  |  | — |
Accrued research and development expenses |  |  | 21 |  |  |  | 1,902 |
Other accrued expenses |  |  | 174 |  |  |  | 245 |
Total accrued expenses |  | $ | 1,764 |  |  | $ | 5,047 |

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- Definition The entire disclosure for supplemental balance sheet disclosures, including descriptions and amounts for assets, liabilities, and equity. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 210 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org//210/tableOfContent + Details
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