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Inventories (Tables)
9 Months Ended
Mar. 31, 2020
Inventory Disclosure [Abstract]  
Schedule of inventory balances
    As of     As of  
    March 31,     June 30,  
    2020     2019  
Raw materials   $ 363,000     $ 117,000  
Finished goods     3,491,000       1,323,000  
    $ 3,854,000     $ 1,440,000