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Inventories (Details) - USD ($)
Jun. 30, 2018
Sep. 30, 2017
Inventory Current [Line Items]    
Raw Materials $ 2,362,000 $ 2,540,000
Work-in-Process 1,066,000 798,000
Finished Goods 1,029,000 988,000
Inventory, Net, Total $ 4,457,000 $ 4,326,000