Earnings (Loss) Per Share (Tables)

12 Months Ended

Apr. 30, 2013

Earnings (Net Loss) Per Share [Abstract]

Computation Of Basic And Diluted Earnings (Net Loss) Per Share

		FISCAL YEARS ENDED APRIL 30
(in thousands, except per share amounts)		2013		2012		2011
Numerator used in basic and diluted earnings (loss) per common share:
Net income (loss)	$	9,758	$	(20,786)	$	(20,018)
Denominator:
Denominator for basic earnings (loss) per common share -
weighted-average shares		14,563		14,344		14,252
Effect of dilutive securities:
Stock options and restricted stock units		270		0		0
Denominator for diluted earnings (loss) per common share -
weighted-average shares and assumed conversions		14,833		14,344		14,252
Net earnings (loss) per share
Basic	$	0.67	$	(1.45)	$	(1.40)
Diluted	$	0.66	$	(1.45)	$	(1.40)