The estimated useful lives of the Company’s property and equipment are as follows:
Asset CategoryEstimated Useful Life
Production equipment
5 years
Office furniture5 years
Laboratory equipment3 years
Servers and workstations3 years
Leasehold improvementsLesser of asset useful life or remaining lease term
Property and equipment, net consists of the following (in thousands):
As of December 31,

20252024
Construction in progress$40,510 $29,064 
Production equipment28,171 — 
Laboratory equipment21,603 10,467 
Leasehold improvements11,439 1,159 
Other2,037 794 
Property and equipment, gross103,760 41,484 
Less: accumulated depreciation(11,722)(5,833)
Total property and equipment, net$92,038 $35,651 

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.