XML 94 R43.htm IDEA: XBRL DOCUMENT v3.20.1
Summary of Significant Accounting Policies (Details 1)
12 Months Ended
Dec. 31, 2019
Building [Member]  
Property, Plant and Equipment [Line Items]  
Property and equipment, useful life 20 years
Vehicles [Member] | Minimum [Member]  
Property, Plant and Equipment [Line Items]  
Property and equipment, useful life 2 years
Vehicles [Member] | Maximum [Member]  
Property, Plant and Equipment [Line Items]  
Property and equipment, useful life 5 years
Office and Other Equipment [Member] | Minimum [Member]  
Property, Plant and Equipment [Line Items]  
Property and equipment, useful life 2 years
Office and Other Equipment [Member] | Maximum [Member]  
Property, Plant and Equipment [Line Items]  
Property and equipment, useful life 5 years
Software [Member] | Minimum [Member]  
Property, Plant and Equipment [Line Items]  
Property and equipment, useful life 2 years
Software [Member] | Maximum [Member]  
Property, Plant and Equipment [Line Items]  
Property and equipment, useful life 3 years