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v3.26.1

Property, plant and equipment | 3 Months Ended
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Mar. 31, 2026
Property, Plant and Equipment [Abstract] |
Property, plant and equipment | ## (5) Property, plant and equipment As of March 31, 2026 and December 31, 2025, the Company’s property, plant and equipment was as follows:
|  | March 31, 2026 |  |  | December 31, 2025 |
Laboratory equipment |  | $ | 11,521,555 |  |  | $ | 11,339,840 |
Animal facility leasehold improvements |  |  | 8,400,580 |  |  |  | 8,400,580 |
Animal facility equipment |  |  | 1,267,529 |  |  |  | 1,278,123 |
Construction-in-progress |  |  | 1,435,480 |  |  |  | 759,279 |
Leasehold improvements |  |  | 7,166,839 |  |  |  | 7,064,721 |
Vehicles |  |  | 201,590 |  |  |  | 201,590 |
Office furniture and equipment |  |  | 1,943,751 |  |  |  | 1,778,231 |
Total Property, plant and equipment, gross |  |  | 31,937,324 |  |  |  | 30,822,364 |
Less: accumulated depreciation and amortization |  |  | (18,123,754 | ) |  |  | (17,516,462 | )
Property, plant and equipment, net |  | $ | 13,813,570 |  |  | $ | 13,305,902 |
Depreciation and amortization expense was $0.7 million for the three months ended March 31, 2026 and $0.8 million for the three months ended March 31, 2025.

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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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