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Note 5 - Inventories (Details) - Inventories (USD $)	Dec. 31, 2014	Sep. 30, 2014
Inventories [Abstract]
Raw materials	$ 3,852,900us-gaap_InventoryRawMaterials	$ 3,462,869us-gaap_InventoryRawMaterials
Finished goods	733,018us-gaap_InventoryFinishedGoods	634,246us-gaap_InventoryFinishedGoods
Work in process	158,293us-gaap_InventoryWorkInProcess	153,107us-gaap_InventoryWorkInProcess
Inventories, gross	4,744,211us-gaap_InventoryGross	4,250,222us-gaap_InventoryGross
Reserve for obsolescence	(350,952)us-gaap_InventoryValuationReserves	(354,486)us-gaap_InventoryValuationReserves
Inventories, net	$ 4,393,259us-gaap_InventoryNet	$ 3,895,736us-gaap_InventoryNet

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Amount before valuation and LIFO reserves of completed merchandise or goods expected to be sold within one year or operating cycle, if longer.

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-Publisher SEC

-Name Regulation S-X (SX)

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Gross amount, as of the balance sheet date, of merchandise, goods, commodities, or supplies held for future sale or to be used in manufacturing, servicing or production process.

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Amount before valuation and LIFO reserves of merchandise or goods in the production process expected to be completed within one year or operating cycle, if longer.

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