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Summary of Significant Accounting Policies (Details)
5 Months Ended 7 Months Ended
Dec. 31, 2016
Jul. 31, 2016
Leasehold Improvements [Member]    
Property, Plant and Equipment [Line Items]    
Property and equipment estimated useful lives Shorter of the useful lives or the lease term Shorter of the useful lives or the lease term
Motor vehicles [Member]    
Property, Plant and Equipment [Line Items]    
Property and equipment estimated useful lives, term 3 years 5 years
Machinery and Equipment [Member] | Maximum [Member]    
Property, Plant and Equipment [Line Items]    
Property and equipment estimated useful lives, term 3 years 15 years
Machinery and Equipment [Member] | Minimum [Member]    
Property, Plant and Equipment [Line Items]    
Property and equipment estimated useful lives, term 2 years 10 years
Land and Building [Member] | Maximum [Member]    
Property, Plant and Equipment [Line Items]    
Property and equipment estimated useful lives, term   40 years
Land and Building [Member] | Minimum [Member]    
Property, Plant and Equipment [Line Items]    
Property and equipment estimated useful lives, term   20 years
Furniture and Equipment [Member]    
Property, Plant and Equipment [Line Items]    
Property and equipment estimated useful lives, term   5 years
Furniture and Equipment [Member] | Maximum [Member]    
Property, Plant and Equipment [Line Items]    
Property and equipment estimated useful lives, term 5 years  
Furniture and Equipment [Member] | Minimum [Member]    
Property, Plant and Equipment [Line Items]    
Property and equipment estimated useful lives, term 3 years