Intangible Assets

6 Months Ended

Mar. 31, 2013

Intangible Assets [Abstract]

INTANGIBLE ASSETS

5. INTANGIBLE ASSETS

Patents consisted of the following:

	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

Each quarter, the Company reviews the ongoing value of its capitalized patent costs and reduces the value if any of its patents are no longer consistent with its business strategy, as noted in the above table.