Selected Quarterly Financial Data (Unaudited) (Tables)

12 Months Ended

Jan. 31, 2013

Selected Quarterly Financial Data (Unaudited) [Abstract]

Summary of selected unaudited financial data

The tables below set forth selected unaudited financial data for each quarter of the fiscal years ended January 31, 2013 and 2012 (in thousands):

	Fiscal 2013
	Quarter Ended
	Apr 30,			Jul 31,			Oct 31,			Jan 31,
Revenue	$	47,919		$	52,448		$	53,164		$	49,906
Cost of revenue		8,956			8,994			9,101			9,361
Gross profit		38,963			43,454			44,063			40,545
Operating expenses		35,297			36,094			34,763			32,072
Operating income		3,666			7,360			9,300			8,473
Income (loss) before income taxes		(4,027	)		(246	)		2,007			768
Income tax (benefit) provision		(914	)		68			(2,127	)		(1,008	)
Net income (loss)		(3,113	)		(314	)		4,134			1,776

	Fiscal 2012
	Quarter Ended
	Apr 30,			Jul 31,		Oct 31,		Jan 31,
Revenue	$	49,192		$	57,159	$	55,658	$	57,532
Cost of revenue		12,122			9,201		9,239		8,837
Gross profit		37,070			47,958		46,419		48,695
Operating expenses		34,478			36,498		35,469		35,530
Operating income		2,592			11,460		10,950		13,165
Income (loss) before income taxes		(5,412	)		4,656		4,154		6,464
Income tax (benefit) provision		(5,412	)		57		952		426
Net income (loss)		(4,895	)		4,599		3,202		6,038