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Inventories (Details) - USD ($)
Jun. 30, 2023
Dec. 31, 2022
Inventory [Line Items]    
Inventory, gross $ 8,939,296 $ 11,551,831
DC Chargers    
Inventory [Line Items]    
Inventory, gross 6,634,042 9,248,398
AC Chargers    
Inventory [Line Items]    
Inventory, gross 164,879 123,247
Vehicles - School Buses    
Inventory [Line Items]    
Inventory, gross 1,620,000 1,620,000
Others    
Inventory [Line Items]    
Inventory, gross $ 520,375 $ 560,186