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Marketable Securities

12 Months Ended

Dec. 31, 2012

Note 7. Marketable Securities

The aggregate fair value, amortized cost, gross unrealized gains and gross unrealized losses on available-for-sale marketable securities are as follows (in thousands):


	December 31, 2011
	Fair Value		Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses
Washington DC tax exempt bonds	$	10,516	$	10,226	$	290	$	—

- 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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