Quarterly report pursuant to Section 13 or 15(d)

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

v3.23.1
Summary of Significant Accounting Policies - Disaggregation of Revenue and Additional Information (Details)
mi² in Thousands, $ in Thousands
3 Months Ended
Mar. 31, 2023
USD ($)
mi²
Mar. 31, 2022
USD ($)
Dec. 31, 2022
USD ($)
Revenue Summary      
Net sales $ 3,566 $ 5,412  
Customer refunds (2,255) 0  
Total Revenue, net of customer refunds $ 1,311 5,412  
Payment terms, once contract executed, deposit required, percent 20.00%    
Inventories $ 46,988   $ 47,066
Refund liability $ 3,228   $ 0
Product warranty period 5 years    
Warranty area covered | mi² 60    
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2023-04-01      
Revenue Summary      
Revenue remaining performance obligation $ 10,500    
Revenue remaining performance obligation (in years) 9 months    
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2027-09-01 | Long-Term Contract with Customer      
Revenue Summary      
Revenue remaining performance obligation $ 206    
Revenue remaining performance obligation (in years) 3 years    
ZEVs      
Revenue Summary      
Net sales $ 3,222 5,179  
Other      
Revenue Summary      
Net sales 344 $ 233  
ZEV4 Recalls      
Revenue Summary      
Refund liability associated with recalls on a gross basis 5,037    
Inventories 2,171    
Refund liability 3,228    
Contract asset $ 611