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Inventories (Details) - USD ($)
Jun. 30, 2019
Sep. 30, 2018
Inventories    
Raw Materials $ 2,482,000 $ 2,362,000
Work-in-Process 1,073,000 890,000
Finished Goods 989,000 854,000
Inventory, Net, Total $ 4,544,000 $ 4,106,000