Fair Value Measurements (Tables)

6 Months Ended

Jun. 30, 2013

Assets measured at fair value on recurring basis

To estimate the fair value of its equity and U.S. Treasury securities, the Company obtains current market pricing from quoted market sources or uses pricing for identical securities. Assets measured at fair value on a recurring basis are summarized below.

	Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total June 30, 2013
Equity securities	$	56	$	—	$	—	$	56
U.S. Treasury securities (cash equivalents)	$	6,089	$	—	$	—	$	6,089

	Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total December 31, 2012
Equity securities	$	44	$	—	$	—	$	44
U.S. Treasury securities (cash equivalents)	$	6,239	$	—	$	—	$	6,239

- 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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