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ORGANIZATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES: (Details 2)
12 Months Ended
Dec. 31, 2012
Incentive Award Plan [Member]
 
Fair Value Inputs, Discount Rate 10.75%
Fair Value Inputs, Long-term Revenue Growth Rate 3.00%
Fair Value Measurements, Valuation Techniques Discounted Cash Flow
Employment Agreement Award [Member]
 
Fair Value Inputs, Discount Rate 10.75%
Fair Value Inputs, Long-term Revenue Growth Rate 3.00%
Fair Value Measurements, Valuation Techniques Discounted Cash Flow
Redeemable Noncontrolling Interests [Member]
 
Fair Value Inputs, Discount Rate 11.50%
Fair Value Inputs, Long-term Revenue Growth Rate 2.00%
Fair Value Measurements, Valuation Techniques Discounted Cash Flow