Depreciation and amortization on property and equipment is calculated using the straight-line method over the estimated useful lives of the assets which are as follows:
Machinery and equipment5 years
Furniture and fixtures5 years
Automobiles5 years
Computer hardware3 years
Computer software3 years
Leasehold improvements
Shorter of 10 years or
remaining lease term
Property and equipment, net consisted of the following (in thousands):
December 31,
20252024
Machinery and equipment$29,151 $14,585 
Equipment under finance leases4,966 11,210 
Furniture and fixtures3,742 3,391 
Computer hardware2,421 1,770 
Construction in progress2,224 2,747 
Leasehold improvements495 290 
Computer software587 227 
Automobiles40 40 
Property and equipment, gross43,626 34,260 
Less: Accumulated depreciation and amortization(23,265)(17,149)
Property and equipment, net$20,361 $17,111 
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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.