Selected Quarterly Financial Data (Tables)

12 Months Ended

Jul. 31, 2012

Quarterly Financial Data

Consolidated Statement of Operations Data:

(in thousands, except per share amounts)

	October 29, 2011			January 28, 2012			April 28, 2012			July 31, 2012
Revenue .	$	15,380		$	13,184		$	11,922		$	16,799
Cost of revenue		6,262			5,435			5,455			7,179
Gross profit .		9,118			7,749			6,467			9,620
Operating expenses:
Research and development		6,485			7,048			7,187			6,470
Sales and marketing		2,670			2,557			2,465			2,752
General and administrative		1,985			2,140			2,066			2,568
Asset Impairment		—			—			—			790
Restructuring		(271	)		—			—			—
Total operating expenses		10,869			11,745			11,718			12,580
Loss from operations		(1,751	)		(3,996	)		(5,251	)		(2,960	)
Interest and other income, net		234			391			240			233
Loss before income taxes		(1,517	)		(3,605	)		(5,011	)		(2,727	)
Income tax expense (benefit)		97			89			80			(202	)
Net loss .		(1,614	)		(3,694	)		(5,091	)		(2,525	)
Basic and diluted net loss per share .	$	(0.06	)	$	(0.13	)	$	(0.18	)	$	(0.09	)

Consolidated Statement of Operations Data:

(in thousands, except per share amounts)

	October 30, 2010			January 29, 2011			April 30, 2011			July 31, 2011
Revenue .	$	11,709		$	12,157		$	11,863		$	12,959
Cost of revenue		6,885			5,117			4,881			5,627
Gross profit .		4,824			7,040			6,982			7,332
Operating expenses:
Research and development		7,311			6,239			6,434			6,635
Sales and marketing		2,600			2,643			2,898			2,614
General and administrative		2,126			2,030			2,106			1,932
Total operating expenses		12,037			10,912			11,438			11,181
Loss from operations		(7,213	)		(3,872	)		(4,456	)		(3,849	)
Interest and other income, net		768			470			400			312
Loss before income taxes		(6,445	)		(3,402	)		(4,056	)		(3,537	)
Income tax expense		94			103			80			81
Net loss .	$	(6,539	)	$	(3,505	)	$	(4,136	)	$	(3,618	)
Basic and diluted net loss per share .	$	(0.23	)	$	(0.12	)	$	(0.14	)	$	(0.13	)