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INVESTMENT IN MARKETABLE SECURITIES (Details) (USD $)
12 Months Ended
Jun. 30, 2013
Jun. 30, 2012
Investments In Marketable Securities [Line Items]    
Cost $ 11,314,000 $ 7,181,000
Gross Unrealized Gain 3,391,000 3,797,000
Gross Unrealized Loss 2,081,000 1,997,000
Net Unrealized Gain 1,310,000 1,800,000
Investment in marketable securities $ 12,624,000 $ 8,981,000