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Note 2 - Summary of Significant Accounting Policies (Details) - Inventories Summary (USD $)
Sep. 30, 2014
Sep. 30, 2013
Inventories Summary [Abstract]    
Raw materials and component parts $ 1,066,672us-gaap_InventoryRawMaterialsNetOfReserves $ 852,229us-gaap_InventoryRawMaterialsNetOfReserves
Work-in-process 521,424us-gaap_InventoryWorkInProcessNetOfReserves 590,687us-gaap_InventoryWorkInProcessNetOfReserves
Finished products 126,101us-gaap_InventoryFinishedGoodsNetOfReserves 146,900us-gaap_InventoryFinishedGoodsNetOfReserves
$ 1,714,197us-gaap_InventoryNet $ 1,589,816us-gaap_InventoryNet