XML 46 R36.htm IDEA: XBRL DOCUMENT v3.19.1
OTHER ACCRUED LIABILITIES (Details) - USD ($)
Mar. 31, 2019
Dec. 31, 2018
OTHER ACCRUED LIABILITIES    
Prepayments from customers $ 377,837 $ 860,926
Accrued property taxes 114,000 170,568
Accrued professional fees 317,185 294,903
Other accrued expenses 153,188 141,538
Total $ 962,210 $ 1,467,935