XML 31 R87.htm IDEA: XBRL DOCUMENT v2.4.0.6
MAJOR CUSTOMERS (Details) (USD $)
12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Major Customers      
Number of customers with the largest receivable balances 3    
Net revenue | Customer concentration risk | Company A
     
Major Customers      
Total net revenues $ 45,987,216 $ 95,557,467 $ 164,522,394
Accounts receivable | Accounts receivable balances | Customer one
     
Major Customers      
Concentration risk (as a percent) 10.00% 10.00%  
Accounts receivable | Accounts receivable balances | Customer two
     
Major Customers      
Concentration risk (as a percent) 8.00% 8.00%  
Accounts receivable | Accounts receivable balances | Customer three
     
Major Customers      
Concentration risk (as a percent) 8.00% 6.00%