Quarterly Results of Operations (Unaudited) (Tables)

12 Months Ended

Jan. 31, 2014

Quarterly Financial Information Disclosure [Abstract]

Operating Results for Interim Periods

Operating results for interim periods are not necessarily indicative of the results that may be expected for a full-year period or any future period.

	Fiscal Year 2014 Quarter Ended												Fiscal Year 2013 Quarter Ended
	April 30, 2013			July 31, 2013			October 31, 2013			January 31, 2014			April 30, 2012			July 31, 2012			October 31, 2012			January 31, 2013
License revenue	$	10,692		$	10,719		$	11,121		$	12,047		$	10,013		$	10,215		$	10,317		$	10,606
Project revenue		1,796			1,985			2,987			3,167			1,281			1,618			2,295			2,523
Total revenues		12,488			12,704			14,108			15,214			11,294			11,833			12,612			13,129
Operating expenses:
Cost of revenues		3,671			3,833			4,023			4,432			3,223			3,112			3,644			4,175
Sales and marketing		2,117			2,179			2,243			3,004			1,600			1,709			1,529			2,277
Research and development		4,386			4,450			4,428			4,976			4,140			4,157			4,113			4,277
General and administrative		2,771			2,426			2,736			2,961			1,958			1,968			2,435			2,591
Total operating expenses		12,945			12,888			13,430			15,373			10,921			10,946			11,721			13,320
(Loss) income from operations		(457	)		(184	)		678			(159	)		373			887			891			(191	)
Other (expense) income, net:
Foreign exchange gain (loss)		37			(93	)		31			(58	)		—			326			(115	)		(194	)
Interest expense, net		(377	)		(171	)		(67	)		(64	)		(412	)		(409	)		(402	)		(408	)
Other income (expense), net		2			(752	)		2			3			66			445			2			16
Total other (expense) income, net		(338	)		(1,016	)		(34	)		(119	)		(346	)		362			(515	)		(586	)
(Loss) income before income taxes		(795	)		(1,200	)		644			(278	)		27			1,249			376			(777	)
Benefit (provision) for income taxes		254			402			(128	)		392			35			(367	)		(217	)		437
Net (loss) income	$	(541	)	$	(798	)	$	516		$	114		$	62		$	882		$	159		$	(340	)
Basic (loss) income per share	$	(0.04	)	$	(0.06	)	$	0.04		$	0.01		$	0.12		$	0.20		$	0.01		$	(0.03	)
Diluted (loss) income per share	$	(0.04	)	$	(0.06	)	$	0.04		$	0.01		$	0.01		$	0.70		$	0.01		$	(0.03	)