Quarterly report pursuant to Section 13 or 15(d)

Basis of Presentation and Summary of Significant Accounting Policies - Adjustments (Details)

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Basis of Presentation and Summary of Significant Accounting Policies - Adjustments (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended
Mar. 31, 2024
Mar. 31, 2023
Product Information [Line Items]    
Diluted net loss per share (in usd per share) $ (0.00) $ (0.00)
Basic net loss per share (in usd per share) $ (0.00) $ (0.00)
Professional Engineering Services Contracts    
Product Information [Line Items]    
Revenue $ (261) $ (355)