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Note 5 - Schedule of Inventory (Details) (USD $)
Mar. 31, 2015
Sep. 30, 2014
Raw materials $ 4,130,283us-gaap_InventoryRawMaterials $ 3,462,869us-gaap_InventoryRawMaterials
Finished goods 707,927us-gaap_InventoryFinishedGoods 634,246us-gaap_InventoryFinishedGoods
Work in process 101,063us-gaap_InventoryWorkInProcess 153,107us-gaap_InventoryWorkInProcess
Inventories, gross 4,939,273us-gaap_InventoryGross 4,250,222us-gaap_InventoryGross
Reserve for obsolescence (377,395)us-gaap_InventoryValuationReserves (354,486)us-gaap_InventoryValuationReserves
Inventories, net $ 4,561,878us-gaap_InventoryNet $ 3,895,736us-gaap_InventoryNet