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Marketable Securities: (Tables)

12 Months Ended

Dec. 31, 2012

	2012			2011
Government debt securities, at par value	$	23,769		$	25,147
Less discount		(102	)		(314	)

		23,667			24,833
Unrealized gain		685			1,803

Fair value	$	24,352		$	26,636

- Definition

Tabular disclosure of marketable securities. This may consist of investments in certain debt and equity securities, short-term investments and other assets.

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