v3.26.1
Inventories - Schedule of Major classifications of inventories (Detail) - USD ($)
$ in Thousands
Mar. 31, 2026
Dec. 31, 2025
Inventory [Line Items]    
Raw materials $ 2,376 $ 2,930
Work-in-process 2,248 1,369
Finished goods 245 0
Total inventories $ 4,869 $ 4,299