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Inventory (Details) - USD ($)
Dec. 31, 2021
Jun. 30, 2021
Inventory Disclosure [Abstract]    
Inventory, net $ 1,445,516 $ 1,416,727
Inventory, Raw Materials, Gross 855,000 833,000
Inventory, Work in Process, Gross 117,000 171,000
Inventory, Finished Goods, Gross 824,000 773,000
Inventory Valuation Reserves (350,000) (360,000)
Inventory, Gross $ 1,796,000 $ 1,777,000