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CONCENTRATIONS (Details) - USD ($)
Jun. 30, 2020
Dec. 31, 2019
Jun. 30, 2019
Dec. 31, 2018
Cash, Cash Equivalents and Restricted Cash [Abstract]        
Cash and Cash Equivalent $ 1,147,103 $ 1,525,415    
Restricted cash, non-current portion 2,000,000 2,000,000    
Total cash, cash equivalents and restricted cash $ 3,147,103 $ 3,525,415 $ 5,042,612 $ 7,061,253