Cash, Cash Equivalents and Marketable Securities

12 Months Ended

Dec. 31, 2012

Cash, Cash Equivalents and Marketable Securities

Cash, Cash Equivalents and Marketable Securities

4. Cash, Cash Equivalents and Marketable Securities

        The following tables summarize the Company's cash, cash equivalents and marketable securities as of December 31, 2012 (in thousands):

As of December 31, 2012	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value
Cash and money market funds	$	14,776	$	—	$	—		$	14,776
Corporate debt securities
Due in one year or less		5,754		2		(1	)		5,755
Due in two years or less		10,867		3		(10	)		10,860
Total	$	31,397	$	5	$	(11	)	$	31,391
Reported as:
Cash and cash equivalents	$	14,776	$	—	$	—		$	14,776
Marketable securities		16,621		5		(11	)		16,615
Total	$	31,397	$	5	$	(11	)	$	31,391