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Property and Equipment, Net | 12 Months Ended
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Dec. 31, 2022
Property, Plant and Equipment [Abstract] |
Property and Equipment, Net | 5. Property and Equipment, Net Property and equipment, net consist of the following (in thousands):
|  | December 31, |
|  | 2022 |  |  | 2021 |
Laboratory equipment |  | $ | 2,257 |  |  | $ | 2,245 |
Furniture and office equipment |  |  | 520 |  |  |  | 520 |
Computer equipment |  |  | 73 |  |  |  | 54 |
Software |  |  | 121 |  |  |  | 139 |
Leasehold improvements |  |  | 4,393 |  |  |  | 4,393 |
Property and equipment, gross |  |  | 7,364 |  |  |  | 7,351 |
Less: Accumulated depreciation and amortization |  |  | (4,144 | ) |  |  | (2,802 | )
Property and equipment, net |  | $ | 3,220 |  |  | $ | 4,549 |
Depreciation and amortization expense for the years ended December 31, 2022, 2021, and 2020 was $1.4 million, $1.4 million, and $1.0 million, respectively. All of the Company’s long-lived assets are located in the United States.

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- Definition The entire disclosure for long-lived, physical asset used in normal conduct of business and not intended for resale. Includes, but is not limited to, work of art, historical treasure, and similar asset classified as collections. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 360 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org//360/tableOfContent Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name Accounting Standards Codification -Section 50 -Paragraph 6 -SubTopic 360 -Topic 958 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480321/958-360-50-6 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (d) -SubTopic 360 -Topic 958 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480321/958-360-50-1 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Name Accounting Standards Codification -Section 50 -Paragraph 7 -SubTopic 360 -Topic 958 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480321/958-360-50-7 + Details
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