XML 71 R33.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Inventories (Details) - USD ($)
Dec. 31, 2019
Jun. 30, 2019
Inventory Disclosure [Abstract]    
Raw materials $ 3,469,263 $ 3,467,105
Work in process 2,377,664 2,288,226
Finished goods 2,573,561 2,704,471
Allowance for obsolescence (878,159) (775,275)
Inventories, net $ 7,542,329 $ 7,684,527