XML 50 R40.htm IDEA: XBRL DOCUMENT v3.20.2
RECONCILIATION OF CASH AND RESTRICTED CASH (Details) - USD ($)
Mar. 31, 2019
Dec. 31, 2018
Mar. 31, 2018
Dec. 31, 2017
Cash and Cash Equivalents [Abstract]        
Cash $ 617,161 $ 4,128,142 $ 283,240  
Restricted cash 2,000,000 2,000,000    
Total cash and restricted cash shown in the consolidated statement of cash flow $ 2,617,161 $ 6,128,142 $ 283,240 $ 1,430,877