Fair Value of Financial Instruments (Tables)

3 Months Ended

Mar. 30, 2013

Schedule of financial assets measured at fair value on a recurring basis

A summary of financial assets measured at fair value on a recurring basis at March 30, 2013 and December 31, 2012 is as follows (in thousands):

	March 30, 2013						December 31, 2012
	Total		Quoted Prices In Active Markets (Level 1)	Other Observable Inputs (Level 2)	Significant Unobservable Inputs (Level 3)		Total		Quoted Prices In Active Markets (Level 1)	Other Observable Inputs (Level 2)	Significant Unobservable Inputs (Level 3)
Money market funds	$	3,708	3,708		$	—	$	3,399	3,399		$	—
Bank certificate of deposit	350		—	350	—		100		—	100	—
Corporate debt securities	3,620		—	3,620	—		611		—	611	—
Commercial paper	948		—	948	—		—		—	—	—
Total	$	8,626	3,708	4,918	$	—	$	4,110	3,399	711	$	—

- Definition

Tabular disclosure of assets, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, by class that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3).

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