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Inventories (Details) - USD ($)
Sep. 30, 2017
Sep. 30, 2016
Inventory Current [Line Items]    
Raw Materials $ 2,540,000 $ 1,938,000
Work-in-Process 798,000 834,000
Finished Goods 988,000 954,000
Inventory, Net, Total $ 4,326,000 $ 3,726,000