v3.26.1
Segment Reporting - Schedule of Information about Group’s Segment (Details) - USD ($)
$ in Thousands
 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Sales of smart electric vehicles [Member]    
Segment Reporting [Line Items]    
Revenues $ 700  
Cost of revenues (447)  
Segment gross profit (loss) 253  
Depreciation and amortization (23)  
Changes in fair value of warrant liabilities  
Changes in fair value of convertible notes  
Disposal loss of property and equipment  
Inventory write-downs  
Salary expenses (1,364)  
Share-based compensation  
Other operating expenses (4,524)  
Interest (expenses) income, net (10)  
Other income, net 92  
Income tax provision 40  
Segment loss (5,536)  
Operational management and delivery services [Member]    
Segment Reporting [Line Items]    
Revenues 54,371  
Cost of revenues (54,441)  
Segment gross profit (loss) (70)  
Depreciation and amortization (167)  
Changes in fair value of warrant liabilities  
Changes in fair value of convertible notes  
Disposal loss of property and equipment  
Inventory write-downs  
Salary expenses (14)  
Share-based compensation  
Other operating expenses (161)  
Interest (expenses) income, net  
Other income, net  
Income tax provision  
Segment loss (412)  
Corporate and unallocated [Member]    
Segment Reporting [Line Items]    
Revenues  
Cost of revenues  
Segment gross profit (loss)  
Depreciation and amortization (1,429)  
Changes in fair value of warrant liabilities 15  
Changes in fair value of convertible notes (1,956)  
Disposal loss of property and equipment  
Inventory write-downs  
Salary expenses  
Share-based compensation (31,211)  
Other operating expenses (563)  
Interest (expenses) income, net  
Other income, net  
Income tax provision  
Segment loss (35,144)  
Other Operating Segment [Member]    
Segment Reporting [Line Items]    
Revenues 55,071 $ 572
Cost of revenues (54,888) (936)
Segment gross profit (loss) 183 (364)
Depreciation and amortization (1,619) (181)
Changes in fair value of warrant liabilities 15 (45)
Changes in fair value of convertible notes (1,956)
Disposal loss of property and equipment (114)
Inventory write-downs (508)
Salary expenses (1,378) (25)
Share-based compensation (31,211)
Other operating expenses (5,248) (1,921)
Interest (expenses) income, net (10) 19
Other income, net 92 784
Income tax provision 40
Segment loss $ (41,092) $ (2,355)