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CASH AND RESTRICTED CASH RECONCILIATION (Unaudited) - USD ($)
Sep. 30, 2019
Dec. 31, 2018
Sep. 30, 2018
Dec. 31, 2017
Cash And Restricted Cash Reconciliation        
Cash $ 7,988,803 $ 5,615,073 $ 4,299,570  
Restricted cash 33,230,890 26,050,668 20,436,369  
Total cash and restricted cash $ 41,219,693 $ 31,665,741 $ 24,735,939 $ 17,164,757