Property and Equipment (Tables)

3 Months Ended

Jul. 31, 2013

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment [Table Text Block]

Property and equipment consisted of the following (in thousands):

	July 31,		April 30,
	2013		2013
	(unaudited)
Furniture and fixtures	$	59	$	59
Computer equipment and software		589		549
Laboratory equipment		179		179
Leasehold improvements		2		2
Total property and equipment		829		789
Less: Accumulated depreciation		(425)		(375)
Property and equipment, net	$	404	$	414