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Accrued Liabilities and Other Long-Term Liabilities | 12 Months Ended
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Dec. 31, 2021
Accrued Liabilities and Other Liabilities [Abstract] |
Accrued Liabilities and Other Long-Term Liabilities | Accrued Liabilities and Other Long-Term Liabilities Accrued Liabilities Accrued liabilities consisted of the following (in thousands):
| December 31,
| 2021 |  | 2020
Accrued research and development expenses | $ | 5,868 |  |  | $ | 3,274 |
Accrued compensation and benefits | 5,216 |  |  | 4,542 |
Other accrued liabilities | 907 |  |  | 1,675 |
Deferred rent | — |  |  | 85 |
Total accrued liabilities | $ | 11,991 |  |  | $ | 9,576 |
Accrued compensation and benefits consist primarily of accrued bonuses and accrued vacation. Other Long-Term Liabilities Other long-term liabilities consisted of the following (in thousands):
| December 31,
| 2021 |  | 2020
Deferred rent | $ | — |  |  | $ | 581 |
Leasehold incentive obligation | — |  |  | 283 |
Other liabilities — deposits | — |  |  | 2 |
Total other long-term liabilities | $ | — |  |  | $ | 866 |

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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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