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Intangible Assets (Details) (USD $)	9 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Sep. 30, 2011
Schedule of intangible assets
Cost	$ 428,334		$ 458,912
Accumulated amortization	(240,587)		(232,943)
Intangible assets, net	187,747		225,969
Amortization expense	22,382	23,734
Loss on impairment of patents	18,205	20,660
Amortization and impairment of intangible assets	$ 40,587	$ 44,394

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- Definition

Amortization and impairment of intangible assets.

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- Definition

The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of an intangible asset (excluding goodwill) to fair value.

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