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PROPERTY AND EQUIPMENT, NET (Details) - USD ($)
Jun. 30, 2020
Dec. 31, 2019
Dec. 31, 2018
Property, Plant and Equipment [Line Items]      
Property and equipment, gross $ 441,577 $ 439,183 $ 395,309
Less Accumulated depreciation (327,762) (277,363) (191,309)
Property and equipment, net 113,815 161,820 204,000
Property and Equipment [Member]      
Property, Plant and Equipment [Line Items]      
Property and equipment, gross 284,710 282,316 238,442
Equipment under capital lease [Member]      
Property, Plant and Equipment [Line Items]      
Property and equipment, gross $ 156,867 $ 156,867 $ 156,867