Investments (Tables)

9 Months Ended

Sep. 30, 2013

Investments, Held-to-Maturity Securities

The amortized cost and fair value of our investments, and the related gross unrealized gains and losses, were as follows as of September 30, 2013 (in thousands):

			Gross Unrealized
	Cost		Gains		Losses		Fair Value
Short-term Investments:
Corporate bonds	$	8,448	$	142	$	--	$	8,590
Long-term Investments
Corporate bonds	$	20,104	$	426	$	--	$	20,530