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Investment in Marketable Securities (Tables)

12 Months Ended

Dec. 31, 2012

Investment in Marketable Securities [Abstract]

Summary of marketable securities

The following table summarizes marketable securities as of December 31, 2011 (in thousands):

		Basis				Gross Unrealized Gain/(Loss)				Gross Realized Gain/(Loss)				Fair Value At Quoted Prices in Active Markets (Level 1)
Marketable securities		$	64			$	1,685			$	—			$	1,749

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- Definition

Tabular disclosure of the reconciliation of available-for-sale securities from cost basis to fair value.

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