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Inventories (Details) - USD ($)
Jun. 30, 2020
Jun. 30, 2019
Inventory Disclosure [Abstract]    
Raw materials $ 3,876,955 $ 3,467,105
Work in process 2,989,070 2,288,226
Finished goods 3,134,800 2,704,471
Reserve for obsolescence (1,016,343) (775,275)
Inventories, net $ 8,984,482 $ 7,684,527