v3.25.2
Revenue Recognition - Summary of Disaggregation of Revenue (Detail) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Disaggregation of Revenue [Line Items]        
Revenue $ 1,801 $ 3,086 $ 3,273 $ 6,138
Revenue recognized at a point in time        
Disaggregation of Revenue [Line Items]        
Revenue   523   523
Revenue recognized over time        
Disaggregation of Revenue [Line Items]        
Revenue 1,801 2,563 3,273 5,615
Collaborative research and professional services        
Disaggregation of Revenue [Line Items]        
Revenue 1,711 3,081 3,043 5,918
Access to quantum computing systems        
Disaggregation of Revenue [Line Items]        
Revenue $ 90 $ 5 $ 230 $ 220