The Company and Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2012

The Company and Summary of Significant Accounting Policies

Schedule of identifiable intangible assets relating to business combinations and patent license

Identifiable intangible assets relating to business combinations and the patent license were as follows (dollar amounts in thousands):

	December 31, 2012

	Life (years)		Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
Developed technology		3-5	$	9,240	$	7,255	$	1,985
Customer relationships		3		390		390		—

Subtotal purchased intangible assets				9,630		7,645		1,985
Patent license		7		780		111		669

Total			$	10,410	$	7,756	$	2,654

	December 31, 2011

	Life (years)		Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
Developed technology		3-5	$	9,240	$	5,676	$	3,564
Customer relationships		3		390		334		56
Contract backlog		1		750		750		—
Non-compete agreements		1.5		140		140		—

Subtotal purchased intangible assets				10,520		6,900		3,620
Patent license		7		780		—		780

Total			$	11,300	$	6,900	$	4,400

Schedule of computation of basic and diluted net income (loss) per share

The following table sets forth the computation of basic and diluted net income (loss) per share for the periods indicated (in thousands, except per share amounts):

	Year Ended December 31,

	2012			2011			2010
Numerator:
Net income (loss)	$	(27,614	)	$	11,256		$	(23,062	)
Denominator:
Add: weighted-average common shares outstanding		39,176			37,942			32,049
Less: unvested common shares subject to repurchase		—			(81	)		(179	)

Total shares: basic		39,176			37,861			31,870
Add: weighted-average stock options outstanding		—			2,435			—
Add: common shares subject to repurchase		—			81			—

Total shares: diluted		39,176			40,377			31,870
Net income (loss) per share:
Basic	$	(0.70	)	$	0.30		$	(0.72	)
Diluted	$	(0.70	)	$	0.28		$	(0.72	)