Property, plant and equipment consists of the following (in thousands):
 December 31,
 20252024
Test equipment$16,213 $19,600 
Computer equipment and purchased software4,234 3,711 
Product tooling5,197 5,182 
Furniture and fixtures739 739 
Leasehold improvements767 767 
Total property, plant and equipment, gross27,150 29,999 
Less—accumulated depreciation and amortization(26,063)(28,897)
Total property, plant and equipment, net$1,087 $1,102 

Historical Timeline

Fiscal YearFiled
2025Feb 20, 2026Showing above
2024Feb 20, 2025
2023Feb 22, 2024
2022Mar 3, 2023
2020Mar 1, 2021

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.