Unrestricted Marketable Securities

12 Months Ended

Dec. 31, 2012

4. Unrestricted Marketable Securities

Unrestricted marketable securities held by the Company were as follows, in thousands:

At December 31, 2012:

Available for Sale		Amortized Cost			Gross Unrealized Gains			Gross Unrealized Losses			Fair Value

Corporate debt securities		$	48,259		$	1		$	(54	)	$	48,206

The Company has not experienced any other-than-temporary losses on its marketable securities and restricted marketable securities.

- Definition

The entire disclosure for investments in certain debt and equity securities.

+ References

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Reference 3: http://www.xbrl.org/2003/role/presentationRef

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+ Details