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COMMITMENTS (Details) - USD ($)
 12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Disclosure of amounts to be recovered or settled after twelve months for classes of assets and liabilities that contain amounts to be recovered or settled both no more and more than twelve months after reporting date [line items]      
Minimum rental and lease payments $ 566,288 $ 2,117,313 $ 724,174
Not later than one year [member]      
Disclosure of amounts to be recovered or settled after twelve months for classes of assets and liabilities that contain amounts to be recovered or settled both no more and more than twelve months after reporting date [line items]      
Minimum rental and lease payments 300,285 1,540,386 151,057
Later Than One Year And Not Later Than Five Years [Member]      
Disclosure of amounts to be recovered or settled after twelve months for classes of assets and liabilities that contain amounts to be recovered or settled both no more and more than twelve months after reporting date [line items]      
Minimum rental and lease payments 251,435 556,955 541,360
Later than five years [member]      
Disclosure of amounts to be recovered or settled after twelve months for classes of assets and liabilities that contain amounts to be recovered or settled both no more and more than twelve months after reporting date [line items]      
Minimum rental and lease payments $ 14,568 $ 19,972 $ 31,757