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Note 5 - Intangible Assets (Tables)

9 Months Ended

Jun. 30, 2013

Note 5 - Intangible Assets (Tables) [Line Items]

Schedule of Finite-Lived Intangible Assets [Table Text Block]

		June 30,  2013				September 30,  2012
Cost		$	350,582			$	358,925
Accumulated amortization			(211,999	)			(200,468	)
		$	138,583			$	158,457

Amortization expense and impairment of patents [Member]

Note 5 - Intangible Assets (Tables) [Line Items]

Schedule of Finite-Lived Intangible Assets [Table Text Block]

		Nine months ended June 30,
		2013				2012
Amortization expense		$	17,470			$	22,382
Loss on sale or impairment of patents			-				18,205

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- Definition

Tabular disclosure of assets, excluding financial assets and goodwill, lacking physical substance with a finite life, by either major class or business segment.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 50

-Paragraph 1

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16265-109275



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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 50

-Paragraph 2

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275

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