XML 42 R32.htm IDEA: XBRL DOCUMENT v3.20.2
RECONCILIATION OF CASH AND RESTRICTED CASH (Details) - USD ($)
Mar. 31, 2020
Dec. 31, 2019
Mar. 31, 2019
Dec. 31, 2018
Cash and Cash Equivalents [Abstract]        
Cash $ 1,998,697 $ 4,052,109    
Restricted cash 1,380,684 1,380,684    
Total cash and restricted cash shown in the consolidated statement of cash flow $ 3,379,381 $ 5,432,793 $ 2,617,161 $ 6,128,142