Quarterly report [Sections 13 or 15(d)]

Basis of Presentation and Summary of Significant Accounting Policies - Professional Engineering Contracts (Details)

v3.25.2
Basis of Presentation and Summary of Significant Accounting Policies - Professional Engineering Contracts (Details) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Revenue   $ 2,100   $ 1,900
Professional Engineering Services Contracts        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Revenue $ (1,023) $ 1,264 $ (1,229) $ 1,003
Basic net loss per share (in usd per share) $ (0.03) $ 0.07 $ (0.04) $ 0.06
Diluted net loss per share (in usd per share) $ (0.03) $ 0.07 $ (0.04) $ 0.06