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Inventories (Tables)
12 Months Ended
Jun. 30, 2019
Inventory Disclosure [Abstract]  
Schedule of inventory balances
    June 30,  
    2019     2018  
Raw materials   $ 117,000     $ 239,000  
Finished goods     1,323,000       1,100,000  
    $ 1,440,000     $ 1,339,000