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RECONCILIATION OF CASH AND RESTRICTED CASH (Details) - USD ($)
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents [Abstract]      
Cash $ 4,052,109 $ 4,128,142  
Restricted cash 1,380,684 2,000,000  
Total cash and restricted cash shown in the statement of cash flow $ 5,432,793 $ 6,128,142 $ 1,430,877