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Intangible Assets (Tables)

6 Months Ended

Mar. 31, 2013

Intangible Assets [Abstract]

Intangible assets

		March  31, 2013				September  30, 2012
	Cost								$	350,582			$	358,925
Accumulated amortization			(206,156	)			(200,468	)
		$	144,426			$	158,457
		Six months ended March 31,
		2013				2012
Amortization expense		$	11,626			$	15,012
Loss on sale or impairment of patents			—				11,197

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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 2

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=7658586&loc=d3e16323-109275



Reference 2: 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=7658586&loc=d3e16265-109275

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