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Inventories (Details) - USD ($)
Jun. 30, 2021
Jun. 30, 2020
Inventories [Abstract]    
Raw materials $ 2,067,572 $ 1,953,031
Finished goods 5,621,228 5,149,200
Inventories, gross 7,688,800 7,102,231
Reserve for obsolete inventory (1,787,288) (1,563,437)
Inventories, net $ 5,901,512 $ 5,538,794