Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2012

The following tables present the Company’s assets that are measured at fair value on a recurring basis:



	December 31, 2012
(in thousands)	Quoted Market Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total Fair Value Measurements
Short-term investments:
U.S. government and agency securities	$	—	$	3,510	$	—	$	3,510
Corporate obligations	—		15,303		—		15,303
Other fixed income securities	—		588		—		588
International bank securities	—		9,781		—		9,781
Total	$	—	$	29,182	$	—	$	29,182



	December 31, 2011
(in thousands)	Quoted Market Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total Fair Value Measurements
Short-term investments:
U.S. government and agency securities	$	—	$	3,858	$	—	$	3,858
Corporate obligations	—		5,122		—		5,122
Other fixed income securities	—		545		—		545
International bank securities	—		1,526		—		1,526
Total	$	—	$	11,051	$	—	$	11,051

- 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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