The following is a summary of equipment, net:
 
                
March 31, 2025
 
Cost
    
Accumulated
depreciation
    
Write-off
    
Net book
value
 
   $    $    $    $ 
Furniture and office equipment
 2    (1   (1    
Computer equipment
 5    (2   (1   2 
Software
 19    (6       13 
   26    (9   (2   15 
 
 
                
March 31, 2024
 
Cost
    
Accumulated
depreciation
    
Write-off
    
Net book
value
 
   $    $         $ 
Furniture and office equipment
 18    (13   (4   1 
Computer equipment
 114    (76   (34   4 
Laboratory equipment
 571    (519   (52    
Software
 19    0    0    19 
   722    (608   (90   24 

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.