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5. PROPERTY (Tables)

9 Months Ended

Jan. 31, 2013

	January 31, 2013			April 30, 2012
Leasehold improvements	$	1,383,000		$	1,383,000
Laboratory equipment		5,339,000			4,967,000
Furniture, fixtures, office equipment and software		2,553,000			2,287,000
		9,275,000			8,637,000
Less accumulated depreciation and amortization		(6,492,000	)		(5,737,000	)
Property, net	$	2,783,000		$	2,900,000

- Definition

Tabular disclosure of the useful life and salvage value of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale. Examples include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software.

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