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Basis of Presentation, Summary of Significant Accounting Policies and Recent Accounting Pronouncements - Narrative (Details)
 12 Months Ended
Dec. 31, 2024
USD ($)
activity
segment
$ / shares
Dec. 31, 2023
USD ($)
Dec. 06, 2023
$ / shares
Property, Plant and Equipment [Line Items]      
Revenues $ 55,961,000 $ 44,523,000  
Allowance for expected credit losses 246,000 62,000  
Receivable for recovery of import duties, net 2,709,000 0  
Property and equipment, capitalization threshold 5,000    
Impairment of property, plant and equipment $ 4,200,000 $ 0  
Impairment, Long-Lived Asset, Held-for-Use, Statement of Income or Comprehensive Income [Extensible Enumeration] Other expense, net Other expense, net  
Earnout period (in years) 5 years    
Advertising expense $ 200,000 $ 300,000  
Defined contribution plan, auto enrollment contributions per employee (as a percent) 3.00%    
Contributions to 401(k) savings plan $ 0 $ 0  
Number of operating segments | segment 1    
Number of business activities | activity 1    
Stepvans      
Property, Plant and Equipment [Line Items]      
Lessor, sales-type lease, lease term 60 months    
Hubs      
Property, Plant and Equipment [Line Items]      
Lessor, sales-type lease, lease term 24 months    
Customer 1 | Revenue Benchmark | Customer Concentration Risk      
Property, Plant and Equipment [Line Items]      
Concentration risk (as a percent) 13.00% 54.00%  
Customer 1 | Accounts Receivable | Customer Concentration Risk      
Property, Plant and Equipment [Line Items]      
Concentration risk (as a percent)   52.00%  
Customer 2 | Revenue Benchmark | Customer Concentration Risk      
Property, Plant and Equipment [Line Items]      
Concentration risk (as a percent) 11.00% 10.00%  
Customer 3 | Revenue Benchmark | Customer Concentration Risk      
Property, Plant and Equipment [Line Items]      
Concentration risk (as a percent) 10.00%    
Common Stock Public Warrants      
Property, Plant and Equipment [Line Items]      
Exercise price of warrants or rights (in dollars per share) | $ / shares $ 345.00   $ 11.50
Minimum      
Property, Plant and Equipment [Line Items]      
Standard product warranty, period of warranty (in years) 2 years    
Remaining lease term (in years) 1 year 4 months 24 days    
Maximum      
Property, Plant and Equipment [Line Items]      
Standard product warranty, period of warranty (in years) 5 years    
Remaining lease term (in years) 8 years 4 months 24 days    
Automotive Regulatory Credits      
Property, Plant and Equipment [Line Items]      
Revenues $ 600,000 $ 0