Basis of Presentation and Summary of Significant Accounting Policies - Adjustments (Details) - USD ($) $ / shares in Units, $ in Thousands  | 
12 Months Ended | |
|---|---|---|
Dec. 31, 2023  | 
Dec. 31, 2022  | 
|
| Product Information [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 | ||
| Product Information [Line Items] | ||
| Revenue | $ (1,477) | $ (2,316) | 
| X | ||||||||||
- Definition Equivalent Annual Cost Adjustment To Revenue No definition available. 
  | 
| X | ||||||||||
- Definition Pro Forma Basic Earnings Per Share Adjustment to reconcile between Net Income and Pro Forma. No definition available. 
  | 
| X | ||||||||||
- Definition Pro forma diluted earnings per share adjustment to reconcile between net income and pro forma amounts. No definition available. 
  | 
| X | ||||||||||
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available. 
  | 
| X | ||||||||||
- Details 
  |