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Property and Equipment (Details) - Schedule of property and equipment - USD ($)
Mar. 31, 2021
Dec. 31, 2020
Property, Plant and Equipment [Line Items]    
Property and equipment, gross $ 3,801,863 $ 3,813,522
Less: accumulated depreciation (3,296,911) (3,298,688)
Property and equipment, net 504,952 514,834
Land [Member]    
Property, Plant and Equipment [Line Items]    
Property and equipment, gross 390,088 395,645
Buildings and leasehold improvements [Member]    
Property, Plant and Equipment [Line Items]    
Property and equipment, gross 2,231,712 2,233,573
Machinery and equipment [Member]    
Property, Plant and Equipment [Line Items]    
Property and equipment, gross 992,882 994,544
Office equipment [Member]    
Property, Plant and Equipment [Line Items]    
Property and equipment, gross $ 187,181 $ 189,760