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LINES OF CREDIT (Details) - USD ($)
Mar. 31, 2020
Dec. 31, 2019
Line of credit $ 3,435,005 $ 2,750,992
Eurobank [Member]    
Lines of credit
Alpha [Member]    
Lines of credit 805,678 810,947
National [Member]    
Lines of credit $ 2,629,327 $ 1,940,045