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Inventories (Details) - USD ($)
Mar. 31, 2018
Sep. 30, 2017
Inventory Current [Line Items]    
Raw Materials $ 2,607,000 $ 2,540,000
Work-in-Process 1,080,000 798,000
Finished Goods 951,000 988,000
Inventory, Net, Total $ 4,638,000 $ 4,326,000