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AVAILABLE-FOR-SALE SECURITIES (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Mar. 31, 2016
Mar. 31, 2016
Jun. 30, 2015
Available-for-sale securities      
Cost Basis $ 3,307 $ 3,307 $ 9,565
Unrealized Gain 554 554  
Unrealized Loss     (3,292)
Fair Value 3,861 3,861 6,273
Realized gain on sale of available-for-sale security   675  
Seabridge      
Available-for-sale securities      
Cost Basis 3,307 3,307 9,565
Unrealized Gain 554 554  
Unrealized Loss     (3,292)
Fair Value $ 3,861 $ 3,861 $ 6,273
Number of shares sold 666,666    
Seabridge | Interest and other income      
Available-for-sale securities      
Realized gain on sale of available-for-sale security $ 700