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ORGANIZATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details 6) (Accounts receivable, Customer concentration risk)
12 Months Ended
Dec. 31, 2013
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Dec. 31, 2012
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Dec. 31, 2011
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Accounts receivable | Customer concentration risk
     
Concentration risk      
Number of customers 2 2 2
Concentration risk percentage 42.00% 59.00% 51.00%