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Other Investments, Net (Tables)
9 Months Ended
Mar. 31, 2020
Other Investments [Abstract]  
Schedule of Other Investments, Net

Other investments, net consist of the following:

 

Type   March 31, 2020     June 30, 2019  
Private equity hedge fund, at cost   $ 273,000     $ 376,000  
Other preferred stock, at cost     121,000       236,000  
    $ 394,000     $ 612,000