Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies - Disaggregation of Revenue and Additional Information (Details)

v3.22.4
Summary of Significant Accounting Policies - Disaggregation of Revenue and Additional Information (Details)
mi² in Thousands, $ in Thousands
12 Months Ended
Dec. 31, 2022
USD ($)
mi²
Dec. 31, 2021
USD ($)
Sep. 30, 2021
May 06, 2021
USD ($)
Disaggregation of Revenue [Line Items]        
Revenues $ 24,413 $ 20,992    
Payment terms, once contract executed, deposit required, percent 20.00%      
Product warranty period 5 years      
Warranty area covered | mi² 60      
Interest rate (as a percent)     8.00%  
Third party notes $ 76,863 90,863    
Selling, General and Administrative        
Disaggregation of Revenue [Line Items]        
Advertising costs $ 580 262    
Convertible Note due in May 2024        
Disaggregation of Revenue [Line Items]        
Interest rate (as a percent) 7.50%     7.50%
Convertible note $ 11,021 7,966   $ 100,000
Fair value of convertible debt $ 58,155 76,614   $ 17,063
Term note and revolving working capital facility        
Disaggregation of Revenue [Line Items]        
Interest rate (as a percent) 15.00%      
Third party notes $ 3,000 3,000    
Notes payable, fair value 3,125 4,173    
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2023-01-01        
Disaggregation of Revenue [Line Items]        
Revenue remaining performance obligation $ 10,500      
Revenue remaining performance obligation (in years) 1 year      
Zero-emission vehicles        
Disaggregation of Revenue [Line Items]        
Revenues $ 22,399 19,096    
Other        
Disaggregation of Revenue [Line Items]        
Revenues $ 2,014 $ 1,896