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Summary of Significant Accounting Policies (Details 1)
12 Months Ended
Dec. 31, 2019
Buildings [Member] | Minimum [Member]  
Property, Plant and Equipment [Line Items]  
Estimated useful lives 20 years
Buildings [Member] | Maximum [Member]  
Property, Plant and Equipment [Line Items]  
Estimated useful lives 30 years
Machinery and equipment [Member] | Minimum [Member]  
Property, Plant and Equipment [Line Items]  
Estimated useful lives 5 years
Machinery and equipment [Member] | Maximum [Member]  
Property, Plant and Equipment [Line Items]  
Estimated useful lives 10 years
Furniture and office equipment [Member] | Minimum [Member]  
Property, Plant and Equipment [Line Items]  
Estimated useful lives 3 years
Furniture and office equipment [Member] | Maximum [Member]  
Property, Plant and Equipment [Line Items]  
Estimated useful lives 5 years
Motor Vehicles [Member]  
Property, Plant and Equipment [Line Items]  
Estimated useful lives 5 years