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EXIT and DISPOSAL ACTIVITIES (Additional Information) (Details) - USD ($)
 1 Months Ended 12 Months Ended
Nov. 30, 2015
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2013
Restructuring Cost and Reserve [Line Items]            
Impairment of Long-Lived Assets Held-for-use     $ 2,987,668      
Maintenance expenses         $ 3,000,000  
Property, Plant and Equipment, Net   $ 611,616,459 485,466,417      
Prepaid land use rights [Member]            
Restructuring Cost and Reserve [Line Items]            
Property, Plant and Equipment, Net   1,700,000        
Selling, General and Administrative Expenses [Member]            
Restructuring Cost and Reserve [Line Items]            
Relocation costs       $ 2,600,000    
polysilicon assets [Member]            
Restructuring Cost and Reserve [Line Items]            
Impairment of Long-Lived Assets Held-for-use   11,500,000        
Property, Plant and Equipment, Net   11,500,000        
Wafer Manufacturing operations [Member]            
Restructuring Cost and Reserve [Line Items]            
Impairment of Long-Lived Assets Held-for-use   7,300,000        
Carrying Value [Member]            
Restructuring Cost and Reserve [Line Items]            
Property, Plant, and Equipment, Fair Value Disclosure   78,293,526        
Carrying Value [Member] | Significant Production Assets [Member]            
Restructuring Cost and Reserve [Line Items]            
Property, Plant, and Equipment, Fair Value Disclosure       200,000   $ 144,700,000
Impairment of Long-Lived Assets Held-for-use $ 1,600,000     200,000    
Carrying value of assets relocated       $ 34,100,000    
Relocation costs   $ 200,000        
Property Plant And Equipment, Expected to be Relocated     $ 200,000