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v3.24.1.1.u2

Property, Plant, and Equipment | 3 Months Ended
--- | ---
Mar. 31, 2024
Property, Plant, and Equipment |
Property, Plant, and Equipment | 4. Property, Plant, and Equipment Property, plant and equipment consisted of the following: ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | March 31, |  | December 31,
​ | ​ | 2024 | ​ | 2023
Lab and build-to-suit equipment | ​ | $ | 6,756 | ​ | $ | 6,834
Office equipment | ​ |  | 19 | ​ |  | 19
Furniture and fixtures | ​ |  | 241 | ​ |  | 241
Computer equipment | ​ |  | 487 | ​ |  | 487
Leasehold improvements | ​ |  | 11,374 | ​ |  | 11,409
Construction-in-progress | ​ |  | 1,966 | ​ |  | 804
Total property, plant and equipment | ​ |  | 20,843 | ​ |  | 19,794
Accumulated depreciation and amortization | ​ |  | (15,267) | ​ |  | (15,314)
Property, plant and equipment, net | ​ | $ | 5,576 | ​ | $ | 4,480
​ We recorded depreciation and amortization expense related to property, plant and equipment of $0.2 million and $0.3 million for the three months ended March 31, 2024 and 2023, respectively.

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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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