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FINANCIAL STATEMENT SCHEDULE I (STATEMENT OF CHANGES IN EQUITY) (Details) - USD ($)
 1 Months Ended 12 Months Ended
Feb. 28, 2015
May 31, 2014
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Condensed Financial Statements, Captions [Line Items]          
Balance     $ 241,656,490 $ 206,768,070 $ 137,326,561
Net income     43,493,756 12,956,889 16,649,176
Share-based compensation     2,702,089 3,687,951 1,792,819
Option Exercised     $ 1,051,586 275,783 37,080
Option Exercised, shares     2,119,700    
Follow-on equity offering, net of issuance costs of $3,375,553 and $2,033,041 for the year ended December 31,2014 and 2015 respectively $ 28,000,000 $ 54,600,000   27,996,959 54,624,447
Follow-on equity offering, net of issuance costs of $3,375,553 and $2,033,041 for the year ended December 31,2014 and 2015 respectively,shares 38,500,000 50,000,000      
Repurchase of Stock       $ (1,350,164)  
Repurchase of Stock, shares       (2,356,900)  
Capital injection from noncontrolling shareholders       $ 2,516,457  
Balance     $ 271,728,922 241,656,490 206,768,070
Ordinary shares [Member]          
Condensed Financial Statements, Captions [Line Items]          
Balance     $ 26,320 $ 22,358 $ 17,343
Balance, shares     260,836,578 223,577,853 173,427,853
Share-based compensation    
Option Exercised     $ 212 $ 112 $ 15
Option Exercised, shares     2,119,700 1,115,625 150,000
Follow-on equity offering, net of issuance costs of $3,375,553 and $2,033,041 for the year ended December 31,2014 and 2015 respectively       $ 3,850 $ 5,000
Follow-on equity offering, net of issuance costs of $3,375,553 and $2,033,041 for the year ended December 31,2014 and 2015 respectively,shares       38,500,000 50,000,000
Repurchase of Stock        
Repurchase of Stock, shares       (2,356,900)  
Capital injection from noncontrolling shareholders        
Balance     $ 26,532 $ 26,320 $ 22,358
Balance, shares     262,956,278 260,836,578 223,577,853
Treasury Stock [Member]          
Condensed Financial Statements, Captions [Line Items]          
Balance     $ (1,748,836) $ (398,672) $ (398,672)
Share-based compensation    
Option Exercised    
Follow-on equity offering, net of issuance costs of $3,375,553 and $2,033,041 for the year ended December 31,2014 and 2015 respectively      
Repurchase of Stock       (1,350,164)  
Capital injection from noncontrolling shareholders        
Balance     (1,748,836) (1,748,836) (398,672)
Additional paid in capital [Member]          
Condensed Financial Statements, Captions [Line Items]          
Balance     236,358,070 203,125,494 146,676,163
Share-based compensation     2,702,089 3,687,951 1,792,819
Option Exercised     1,051,374 275,671 37,065
Follow-on equity offering, net of issuance costs of $3,375,553 and $2,033,041 for the year ended December 31,2014 and 2015 respectively       27,993,109 54,619,447
Repurchase of Stock        
Capital injection from noncontrolling shareholders       1,275,845  
Balance     240,111,533 236,358,070 203,125,494
Retained earnings (accumulated losses) [Member]          
Condensed Financial Statements, Captions [Line Items]          
Balance     (3,061,404) (16,018,293) (32,667,469)
Share-based compensation    
Option Exercised    
Follow-on equity offering, net of issuance costs of $3,375,553 and $2,033,041 for the year ended December 31,2014 and 2015 respectively      
Repurchase of Stock        
Capital injection from noncontrolling shareholders        
Balance     40,432,352 (3,061,404) (16,018,293)
Accumulated other comprehensive income (loss) [Member]          
Condensed Financial Statements, Captions [Line Items]          
Balance     8,780,313 20,037,183 23,699,196
Share-based compensation    
Option Exercised    
Follow-on equity offering, net of issuance costs of $3,375,553 and $2,033,041 for the year ended December 31,2014 and 2015 respectively      
Repurchase of Stock        
Capital injection from noncontrolling shareholders        
Balance     (8,721,820) 8,780,313 20,037,183
Parent Company [Member]          
Condensed Financial Statements, Captions [Line Items]          
Balance     240,354,463 206,768,070 137,326,561
Net income     43,493,756 12,956,889 16,649,176
Other comprehensive loss     (17,502,133) (11,256,870) (3,662,013)
Share-based compensation     2,702,089 3,687,951 1,792,819
Option Exercised     1,051,586 275,783 37,080
Follow-on equity offering, net of issuance costs of $3,375,553 and $2,033,041 for the year ended December 31,2014 and 2015 respectively       27,996,959 54,624,447
Repurchase of Stock       (1,350,164)  
Capital injection from noncontrolling shareholders       1,275,845  
Balance     270,099,761 240,354,463 206,768,070
Parent Company [Member] | Ordinary shares [Member]          
Condensed Financial Statements, Captions [Line Items]          
Balance     $ 26,320 $ 22,358 $ 17,343
Balance, shares     260,836,578 223,577,853 173,427,853
Net income    
Other comprehensive loss    
Share-based compensation    
Option Exercised     $ 212 $ 112 $ 15
Option Exercised, shares     2,119,700 1,115,625 150,000
Follow-on equity offering, net of issuance costs of $3,375,553 and $2,033,041 for the year ended December 31,2014 and 2015 respectively       $ 3,850 $ 5,000
Follow-on equity offering, net of issuance costs of $3,375,553 and $2,033,041 for the year ended December 31,2014 and 2015 respectively,shares       38,500,000 50,000,000
Repurchase of Stock        
Repurchase of Stock, shares       (2,356,900)  
Capital injection from noncontrolling shareholders        
Balance     $ 26,532 $ 26,320 $ 22,358
Balance, shares     262,956,278 260,836,578 223,577,853
Parent Company [Member] | Treasury Stock [Member]          
Condensed Financial Statements, Captions [Line Items]          
Balance     $ (1,748,836) $ (398,672) $ (398,672)
Net income    
Other comprehensive loss    
Share-based compensation    
Option Exercised    
Follow-on equity offering, net of issuance costs of $3,375,553 and $2,033,041 for the year ended December 31,2014 and 2015 respectively      
Repurchase of Stock       (1,350,164)  
Capital injection from noncontrolling shareholders        
Balance     (1,748,836) (1,748,836) (398,672)
Parent Company [Member] | Additional paid in capital [Member]          
Condensed Financial Statements, Captions [Line Items]          
Balance     236,358,070 203,125,494 146,676,163
Net income    
Other comprehensive loss    
Share-based compensation     2,702,089 3,687,951 1,792,819
Option Exercised     1,051,374 275,671 37,065
Follow-on equity offering, net of issuance costs of $3,375,553 and $2,033,041 for the year ended December 31,2014 and 2015 respectively       27,993,109 54,619,447
Repurchase of Stock        
Capital injection from noncontrolling shareholders       1,275,845  
Balance     240,111,533 236,358,070 203,125,494
Parent Company [Member] | Retained earnings (accumulated losses) [Member]          
Condensed Financial Statements, Captions [Line Items]          
Balance     (3,061,404) (16,018,293) (32,667,469)
Net income     43,493,756 12,956,889 16,649,176
Other comprehensive loss    
Share-based compensation    
Option Exercised    
Follow-on equity offering, net of issuance costs of $3,375,553 and $2,033,041 for the year ended December 31,2014 and 2015 respectively      
Repurchase of Stock        
Capital injection from noncontrolling shareholders        
Balance     40,432,352 (3,061,404) (16,018,293)
Parent Company [Member] | Accumulated other comprehensive income (loss) [Member]          
Condensed Financial Statements, Captions [Line Items]          
Balance     8,780,313 20,037,183 23,699,196
Net income    
Other comprehensive loss     (17,502,133) (11,256,870) (3,662,013)
Share-based compensation    
Option Exercised    
Follow-on equity offering, net of issuance costs of $3,375,553 and $2,033,041 for the year ended December 31,2014 and 2015 respectively      
Repurchase of Stock        
Capital injection from noncontrolling shareholders        
Balance     $ (8,721,820) $ 8,780,313 $ 20,037,183