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4. RESEARCH AND OFFICE EQUIPMENT

12 Months Ended

Sep. 30, 2014

4. RESEARCH AND OFFICE EQUIPMENT

Research and office equipment consisted of the following at September 30:

	2014			2013

Research equipment	$	3,230,882		$	3,184,779
Furniture and equipment		141,269			139,992
Leasehold improvements		131,910			131,910

		3,504,061			3,456,681

Less: Accumulated depreciation and amortization		(3,101,057	)		(2,967,345	)

Net research and office equipment	$	403,004		$	489,336

Depreciation expense for the years ended September 30, 2014, 2013 and 2012 totaled $188,967, $275,917 and $447,171, respectively. During the years ended September 30, 2014, 2013 and 2012, equipment with a net book value of $268, $4,350 and $9,399, respectively, was retired.

- Definition

The entire disclosure for long-lived, physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, accounting policies and methodology, roll forwards, depreciation, depletion and amortization expense, including composite depreciation, accumulated depreciation, depletion and amortization expense, useful lives and method used, income statement disclosures, assets held for sale and public utility disclosures.

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