Quarterly Results of Operations (Tables)

12 Months Ended

Apr. 30, 2013

Quarterly Financial Information Disclosure [Abstract]

Schedule Of Quarterly Results Of Operations

			Quarter Ended
			July 31,		October 31,		January 31,		April 30,
			(In thousands, except per share data)
Year ended 2013:
	Total revenues	$	9,638	$	10,345	$	10,440	$	9,770
	Income from operations		284		902		367		762
	Net income (loss)		157		252		(65)		188
	Income (loss) per share:
	Basic	$	0.00	$	0.01	$	(0.01)	$	0.01
	Diluted	$	0.00	$	0.01	$	(0.01)	$	0.01
	Weighted-average shares used in computing income (loss) per share:
	Basic		14,718		14,718		14,718		14,718
	Diluted		14,718		14,729		14,718		14,736
Year ended 2012:
	Total revenues	$	11,514	$	11,075	$	11,069	$	9,811
	Income (loss) from operations		845		1,198		604		(15,706)
	Net income (loss)		(1,778)		795		53		(15,732)
	Income (loss) per share:
	Basic	$	(0.12)	$	0.05	$	0.00	$	(1.08)
	Diluted	$	(0.12)	$	0.04	$	0.00	$	(1.08)
	Weighted-average shares used in computing income (loss) per share:
	Basic		14,601		14,657		14,713		14,718
	Diluted		14,601		14,809		14,713		14,718