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FINANCE LEASE OBLIGATIONS (Details) - USD ($)
Dec. 31, 2017
Dec. 31, 2016
Jan. 01, 2016
Disclosure of detailed information about property, plant and equipment [line items]      
Less: Future interest charges $ (150,393) $ (197,641) $ (219,414)
Present value of lease payments 2,349,150 2,811,674 2,977,804
Less: Current portion (1,116,377) (1,434,741) (1,311,956)
Non-current portion 1,232,773 1,376,933 1,665,848
Not later than one year [member]      
Disclosure of detailed information about property, plant and equipment [line items]      
Contractual maturities 1,203,882 1,527,031 1,416,795
Later Than One Year And Not Later Than Five Years [Member]      
Disclosure of detailed information about property, plant and equipment [line items]      
Contractual maturities $ 1,295,661 $ 1,482,284 $ 1,780,423