Property and equipment are carried at cost, less accumulated depreciation and amortization, computed on a straight-line basis over the estimated useful lives of the assets as follows:
Machinery and equipment
3 to 5 years
Computer equipment
3 to 5 years
Other software3 years
Furniture and fixtures5 years
Other office equipment5 years
Leasehold improvementsShorter of useful life or life of lease
Property and equipment, netMarch 31,
20252024
Machinery and equipment, and software$47,385 $49,095 
Leasehold improvements13,529 12,473 
Furniture and fixtures1,095 1,109 
 62,009 62,677 
Less: accumulated depreciation(50,631)(50,649)
   Total property, plant and equipment, net$11,378 $12,028 

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.