v2.3.0.15

Short Term Investments (Tables)

9 Months Ended

Sep. 30, 2011

Short Term Investments [Abstract]

Components Of Short Term Investments

		As of December 31, 2010
		Carrying Value				Unrealized gains				Unrealized losses				Estimated Fair Value
Short term investments:
U.S. Treasury bills		$	76,974			$	11			$	—			$	76,985
Total		$	76,974			$	11			$	—			$	76,985
		As of September 30, 2011
		Carrying Value				Unrealized gains				Unrealized losses				Estimated Fair Value
Short term investments:
U.S. Treasury bills		$	—			$	—			$	—			$	—
Total		$	—			$	—			$	—			$	—

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

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