Note 2 - Inventories (Details Textual) (USD $)	Dec. 31, 2014	Sep. 30, 2014	Dec. 31, 2013
Inventory Disclosure [Abstract]
Inventory Valuation Reserves	$ 365,564us-gaap_InventoryValuationReserves	$ 363,500us-gaap_InventoryValuationReserves	$ 810,376us-gaap_InventoryValuationReserves

Amount of valuation reserve for inventory.

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

-Publisher FASB

-Name Accounting Standards Codification

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Reference 2: http://www.xbrl.org/2003/role/presentationRef

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

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-Name Accounting Standards Codification

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Reference 4: http://www.xbrl.org/2003/role/presentationRef

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Reference 5: http://www.xbrl.org/2003/role/presentationRef

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Reference 6: http://www.xbrl.org/2003/role/presentationRef

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-Number 210

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Name:	us-gaap_InventoryValuationReserves
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant