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Inventories (Details) - USD ($)
Mar. 31, 2018
Jun. 30, 2017
Inventory Disclosure [Abstract]    
Raw materials $ 2,635,595 $ 2,282,880
Work in process 2,313,766 1,654,653
Finished goods 2,159,475 1,904,497
Reserve for obsolescence (699,718) (767,454)
Inventories, net $ 6,409,118 $ 5,074,576