XML 52 R39.htm IDEA: XBRL DOCUMENT v3.21.1
PROPERTY AND EQUIPMENT, NET (Narrative) (Details) - USD ($)
Dec. 31, 2020
Dec. 31, 2019
Property and Equipment, net (Textual)    
Depreciation and amortization of property and equipment $ 563,323 $ 548,899
Property, Plant and Equipment [Member]    
Property and Equipment, net (Textual)    
Depreciation and amortization of property and equipment $ 14,424 $ 28,928