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(3) Inventories (Tables)
12 Months Ended
Jun. 30, 2018
Table Text Block Supplement [Abstract]  
Schedule of Inventories
     2018     2017  
Raw materials   $ 6,216,150     $ 3,766,940  
Work in process     625,830       470,721  
Finished goods     4,604,264       3,562,758  
Inventory reserve     (458,389 )     (402,737 )
    $ 10,987,855     $ 7,397,682