Note 2 - Inventories (Details Textual) - USD ($)	Jun. 30, 2015	Sep. 30, 2014	Jun. 30, 2014
Inventory Valuation Reserves	$ 371,564	$ 363,500	$ 817,000

Amount of valuation reserve for inventory.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

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Reference 3: http://www.xbrl.org/2003/role/presentationRef

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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