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6. INVESTMENT IN JOINT VENTURES (Details Narrative) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 9 Months Ended
Sep. 30, 2012
Sep. 30, 2011
Sep. 30, 2012
Sep. 30, 2011
Investment In Joint Ventures Details Narrative        
Management service fees from centers underlying joint ventures $ 2,200 $ 1,700 $ 5,600 $ 5,100