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Inventory (Details) - USD ($)
Mar. 31, 2021
Jun. 30, 2020
Inventory Disclosure [Abstract]    
Inventory, Raw Materials, Net of Reserves $ 581,000 $ 613,000
Work in process 117,000 323,000
Finished goods 676,000 849,000
Inventory, net $ 1,373,811 $ 1,785,030