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(4) Property and Equipment (Tables)
12 Months Ended
Jun. 30, 2019
Property, Plant and Equipment [Abstract]  
Property and equipment
     2019     2018  
Raw materials   $ 5,830,140          
Work in process     706,128       625,830  
Finished goods     5,129,806       4,604,264  
Inventory reserve     (138,553 )     (458,389 )
    $ 11,527,521     $ 10,987,855