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OTHER ACCRUED LIABILITIES (Details) - USD ($)
Jun. 30, 2020
Dec. 31, 2019
OTHER ACCRUED LIABILITIES    
Prepayments from customers $ 302,380 $ 998,601
Accrued property taxes 234,000  
Accrued professional fees 381,200 263,757
Other accrued expenses 192,023 124,791
Total $ 1,109,603 $ 1,387,149