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INVESTMENT IN MARKETABLE SECURITIES (Details 1) (USD $)
3 Months Ended 9 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Mar. 31, 2015
Mar. 31, 2014
Schedule of Trading Securities and Other Trading Assets [Line Items]        
Realized (loss) gain on marketable securities $ (445,000)us-gaap_TradingSecuritiesRealizedGainLoss $ 769,000us-gaap_TradingSecuritiesRealizedGainLoss $ (373,000)us-gaap_TradingSecuritiesRealizedGainLoss $ 907,000us-gaap_TradingSecuritiesRealizedGainLoss
Unrealized (loss) gain on marketable securities (874,000)us-gaap_TradingSecuritiesUnrealizedHoldingGain (427,000)us-gaap_TradingSecuritiesUnrealizedHoldingGain (3,980,000)us-gaap_TradingSecuritiesUnrealizedHoldingGain 203,000us-gaap_TradingSecuritiesUnrealizedHoldingGain
Net (loss) gain on marketable securities $ (1,319,000)us-gaap_NetRealizedOrUnrealizedGainLossOnTradingSecurities $ 342,000us-gaap_NetRealizedOrUnrealizedGainLossOnTradingSecurities $ (4,353,000)us-gaap_NetRealizedOrUnrealizedGainLossOnTradingSecurities $ 1,110,000us-gaap_NetRealizedOrUnrealizedGainLossOnTradingSecurities