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Balance Sheet Components (Tables) | 12 Months Ended
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Dec. 31, 2020
Balance Sheet Related Disclosures [Abstract] |
Summary of Property and Equipment, Net | Property and equipment, net consists of the following:
|  | December 31, |
|  | 2020 |  |  | 2019 |
|  | (In thousands) |
Leasehold improvements |  | $ | 25,542 |  |  | $ | 25,222 |
Lab equipment |  |  | 11,610 |  |  |  | 10,458 |
Furniture and fixtures |  |  | 2,222 |  |  |  | 2,031 |
Computer equipment |  |  | 1,764 |  |  |  | 1,554 |
Property and equipment, gross |  |  | 41,138 |  |  |  | 39,265 |
Less accumulated depreciation and amortization |  |  | (10,957 | ) |  |  | (5,413 | )
Total property and equipment, net |  | $ | 30,181 |  |  | $ | 33,852 |
Summary of Accrued Liabilities | Accrued liabilities consist of the following:
|  | December 31, |
|  | 2020 |  |  | 2019 |
|  | (In thousands) |
Accrued research and development costs |  | $ | 13,375 |  |  | $ | 6,400 |
Accrued employee compensation |  |  | 7,288 |  |  |  | 5,730 |
Accrued professional services |  |  | 1,094 |  |  |  | 2,040 |
Accrued property and equipment |  |  | 428 |  |  |  | 3,471 |
Other |  |  | 353 |  |  |  | 615 |
Total accrued liabilities |  | $ | 22,538 |  |  | $ | 18,256 |

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- Definition Tabular disclosure of physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, balances by class of assets, depreciation and depletion expense and method used, including composite depreciation, and accumulated deprecation. + 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(13)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 + Details
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