Investments

6 Months Ended

Jun. 30, 2014

Investments Debt And Equity Securities [Abstract]

Investments

(7) Investments

The Company’s available-for-sale investments at fair value consisted of the following at June 30, 2014 and December 31, 2013:

	June 30, 2014
	Cost		Gross Unrealized (Losses)			Gross Unrealized Gains		Estimated Fair Value
	(In thousands)
Commercial paper due in one year or less	$	998	$	—		$	—	$	998
Corporate bonds due in one year or less		7,842		—			4		7,846
Total short-term investments		8,840		—			4		8,844
Total long-term investments		1,005		(1	)		—		1,004
Total investments	$	9,845	$	(1	)	$	4	$	9,848

	December 31, 2013
	Cost		Gross Unrealized (Losses)			Gross Unrealized Gains		Estimated Fair Value
	(In thousands)
Commercial paper due in one year or less	$	1,997	$	—		$	—	$	1,997
Corporate bonds due in one year or less		1,128		—			—		1,128
Total short-term investments		3,125		—			—		3,125
Corporate bonds due in one year or more		6,196		(7	)		—		6,189
Total long-term investments		6,196		(7	)		—		6,189
Total investments	$	9,321	$	(7	)	$	—	$	9,314

The Company had no realized gains or losses from available-for-sale securities in the six months ended June 30, 2014 and 2013. There were no losses or other-than-temporary declines in value included in “Investment income, net” on the Company’s condensed statements of operations and comprehensive loss for any securities for the three and six months ended June 30, 2014 and 2013. The Company had no auction rate securities as of June 30, 2014 and December 31, 2013. See Note 4, “Financial Instruments,” and Note 6, “Fair Value of Assets and Liabilities” for additional information related to the Company’s investments.