The Company and Summary of Significant Accounting Policies (Tables)

3 Months Ended

Mar. 31, 2013

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

	March 31, 2013
	Life (years)	Gross Carrying Amount		Accumulated Amortization		Net Carrying Value
Developed technology	3-5	$	9,240	$	7,477	$	1,763
Subtotal purchased intangible assets		9,240		7,477		1,763
Patent license	7	780		139		641
Total		$	10,020	$	7,616	$	2,404

	December 31, 2012
	Life (years)	Gross Carrying Amount		Accumulated Amortization		Net Carrying Value
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