Depreciation on equipment is calculated using the straight-line method over the estimated useful lives of the assets as follows:
Asset categoryEstimated useful life
Laboratory equipment5 years
Computer equipment3 years
Office equipment, furniture and fixtures5 years
Leasehold improvementsLesser of useful life or remaining lease term
Property and equipment consisted of the following (in thousands):
As of December 31,
20252024
Property and equipment
Laboratory equipment$8,819 $8,212 
Leasehold improvements4,548 4,712 
Furniture and fixtures1,435 1,435 
Office equipment621 621 
Computer equipment98 98 
Total property and equipment15,521 15,078 
Less: accumulated depreciation(10,777)(9,236)
Total property and equipment, net$4,744 $5,842 

Historical Timeline

Fiscal YearFiled
2025Feb 26, 2026Showing above
2024Feb 27, 2025
2023Feb 22, 2024
2022Feb 23, 2023
2021Feb 24, 2022

About PP&E Disclosures

The PP&E disclosure details a company's physical asset base — land, buildings, machinery, and equipment — along with the depreciation methods and useful life assumptions that determine how these costs flow through the income statement. Capitalization policy thresholds reveal management's judgment on the boundary between expense and asset, directly affecting both reported earnings and asset values.

Key signals: changes in estimated useful lives or depreciation methods can materially shift reported earnings without any operational change. Compare capital expenditures against depreciation expense — when capex consistently trails depreciation, the asset base may be aging and underinvested. Watch for large asset impairments or write-downs that signal overvalued carrying amounts. Asset retirement obligations reveal future environmental or decommissioning costs that are often underappreciated. Compare PP&E intensity (PP&E-to-revenue) against industry peers to assess capital efficiency and competitive positioning.