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Accrued Expenses | 12 Months Ended
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Dec. 31, 2021
Payables and Accruals [Abstract] |
Accrued Expenses | 6. Accrued Expenses Accrued expenses consist of the following:
($ in thousands) |  | 2021 |  |  | 2020 |
Clinical |  | $ | 1,677 |  |  | $ | 4,450 |
Employee compensation |  |  | 1,695 |  |  |  | 3,298 |
Professional services |  |  | 825 |  |  |  | 3,993 |
Preclinical services |  |  | 363 |  |  |  | 749 |
Manufacturing services |  |  | 1,056 |  |  |  | 3,159 |
Accrued vacation |  |  | 227 |  |  |  | 725 |
Payroll taxes and benefits |  |  | — |  |  |  | 16 |
Other consulting services |  |  | 66 |  |  |  | 199 |
Other |  |  | 167 |  |  |  | — |
|  | $ | 6,076 |  |  | $ | 16,589 |

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- Definition The entire disclosure for accounts payable and accrued liabilities at the end of the reporting period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(a),20,24) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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- References No definition available. + Details
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