ORGANIZATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details 6) (Accounts receivable, Customer concentration risk)	12 Months Ended
Dec. 31, 2012 item	Dec. 31, 2011 item	Dec. 31, 2010 item
Accounts receivable \| Customer concentration risk
Concentration risk
Number of customers	2	2	2
Concentration risk percentage	59.00%	51.00%	69.00%

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

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