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INVESTMENTS (Details) - USD ($)
 3 Months Ended
Sep. 30, 2015
Sep. 30, 2014
Jun. 30, 2015
INVESTMENTS (Details) [Line Items]      
Fair value of investments held $ 18,300,000    
Cost basis of investments held $ 20,200,000    
Value of Fair Value Investments to Company Assets 63.60%    
Other investments $ 2,303,000   $ 2,303,000
Available-for-sale, net unrealized gain (loss), gross (923,000)   (339,000)
Available-for-sale, net unrealized gain (loss), net of tax (923,000)   (339,000)
Other-than-temporary impairments 60,000 $ 0  
Available-for-sale, amortized cost [1] 4,100,000   $ 4,602,000
Offshore Fund [Member]      
INVESTMENTS (Details) [Line Items]      
Fair value of investments held $ 349,000    
Common Stock and Mutual Fund [Member]      
INVESTMENTS (Details) [Line Items]      
Number of positions, subject to impairment loss 3    
Available-for-sale, amortized cost $ 49,000    
Available-for-sale securities, fair value 12,000    
Corporate Debt Security, One [Member]      
INVESTMENTS (Details) [Line Items]      
Available-for-sale, amortized cost 970,000    
Available-for-sale securities, fair value 947,000    
U.S. Global Investors Funds [Member]      
INVESTMENTS (Details) [Line Items]      
Fair value of investments held $ 16,200,000    
[1] Net unrealized gains (losses) on available-for-sale securities gross and net of tax as of September 30, 2015, are $(923) and $(923), respectively, and as of June 30, 2015, are ($339) and ($339), respectively.