Cash, Cash Equivalents and Marketable Securities (Tables)

12 Months Ended

Dec. 31, 2013

Cash, Cash Equivalents and Marketable Securities

Summary of cash, cash equivalents and marketable securities

 The following tables summarize the Company's cash, cash equivalents and marketable securities as of December 31, 2013 and December 31, 2012 (in thousands):

December 31, 2013	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value
Cash and money market funds	$	18,078	$	—	$	—		$	18,078
Corporate debt securities
Due in one year or less		22,631		11		(2	)		22,640
Due in two years or less		3,708		2		(1	)		3,709
Total	$	44,417	$	13	$	(3	)	$	44,427
Reported as:
Cash and cash equivalents	$	18,078	$	—	$	—		$	18,078
Short-term investments		26,339		13		(3	)		26,349
Total	$	44,417	$	13	$	(3	)	$	44,427

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
Short-term investments		16,621		5		(11	)		16,615
Total	$	31,397	$	5	$	(11	)	$	31,391