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Property, Equipment and Leasehold Improvements | 6 Months Ended
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Jun. 30, 2025
Property, Plant and Equipment [Abstract] |
Property, Equipment and Leasehold Improvements | Property, Equipment and Leasehold Improvements Property, equipment and leasehold improvements consist of the following:
(dollars in millions) | June 30, 2025 |  | December 31, 2024
Laboratory equipment | $ | 20.8 |  |  | $ | 20.6 |
Leasehold improvements | 9.0 |  |  | 9.3 |
Office equipment | 3.0 |  |  | 2.7 |
Total property, equipment and leasehold improvements | 32.8 |  |  | 32.6 |
Less: accumulated depreciation and amortization | (26.7) |  |  | (25.6) |
Property, equipment and leasehold improvements, net | $ | 6.1 |  |  | $ | 7.0 |
During the three months ended June 30, 2025 and 2024, the Company recognized depreciation and amortization expense of $0.8 million and $1.2 million, respectively. During the six months ended June 30, 2025 and 2024, the Company recognized depreciation and amortization expense of $1.5 million and $2.4 million, 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/1943274/2147477798/958-360-50-6 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/1943274/2147477798/958-360-50-1 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/1943274/2147477798/958-360-50-7 + Details
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