XML 53 R30.htm IDEA: XBRL DOCUMENT v3.22.2.2
Property, Plant and Equipment, Net (Tables)
12 Months Ended
Jul. 31, 2022
Property, Plant and Equipment [Abstract]  
Schedule of property and equipment stated at cost less accumulated depreciation
   As of July 31, 
   2022   2021 
Furniture, fixtures and equipment  $218,231   $187,053 
Vehicles   132,670    574,606 
Total   350,901    761,659 
Less: accumulated depreciation   (78,201)   (189,632)
Property and equipment, net  $272,700   $572,027