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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Accounts receivable, Property, plant and equipment and Long-lived assets (Details)
12 Months Ended
Dec. 31, 2017
item
Dec. 31, 2016
USD ($)
Accounts receivable    
Number of products consigned to customers | item 0  
Long-lived assets    
Impairment charge   $ 456,119
Production equipment    
Long-lived assets    
Impairment charge   $ 456,119
Production equipment | Minimum    
Property, plant, and equipment    
Useful lives 3 years  
Production equipment | Maximum    
Property, plant, and equipment    
Useful lives 13 years  
Office furniture and equipment | Minimum    
Property, plant, and equipment    
Useful lives 3 years  
Office furniture and equipment | Maximum    
Property, plant, and equipment    
Useful lives 10 years  
Buildings    
Property, plant, and equipment    
Useful lives 39 years  
Building Improvements    
Property, plant, and equipment    
Useful lives 15 years