Annual report pursuant to Section 13 and 15(d)

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

v3.24.1
Basis of Presentation and Summary of Significant Accounting Policies - Professional Engineering Contracts (Details) - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Basic net loss per share (in usd per share) $ (0.01) $ (0.02)
Diluted net loss per share (in usd per share) $ (0.01) $ (0.02)
Professional Engineering Services Contracts    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Revenue $ (1,477) $ (2,316)