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Inventories (Details) - USD ($)
Jun. 30, 2019
Jun. 30, 2018
Inventory Disclosure [Abstract]    
Raw materials $ 3,467,105 $ 2,309,454
Work in process 2,288,226 2,506,891
Finished goods 2,704,471 2,263,121
Reserve for obsolescence (775,275) (674,725)
Inventories, net $ 7,684,527 $ 6,404,741