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CAPITAL STOCK (Tables)
12 Months Ended
Jun. 30, 2018
Equity [Abstract]  
Schedule of capital stock authorized, issued, and outstanding
    Shares  
          Issued and  
    Authorized     Outstanding  
Prior Cumulative Preferred Stock, $5 Par Value:                
6% Convertible     240,000          
Series A             100,000  
Series B             100,000  
                 
Cumulative Preferred Stock, $20 Par Value:                
5% Convertible     150,000          
Series A             58,533  
Series B             9,539  
                 
Common Stock, $1 Par Value:                
Reserved for Conversion of Preferred Stock - 1,030,166 shares     2,000,000       969,834  
Schedule of preferred stock dividends in arrears on a per share basis
    2018     2017  
6% Convertible                
Series A   $ 17.85     $ 17.55  
Series B   $ 17.40     $ 17.10  
5% Convertible                
Series A   $ 68.75     $ 67.50  
Series B   $ 68.75     $ 67.50