Investments

6 Months Ended

Jun. 30, 2014

Investments

Investments

6. Investments

The following table summarizes the Company’s cash equivalents and investments:

	June 30, 2014
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Estimated Fair Value
	(in thousands)
Cash equivalents:
Money market funds	$	357	$	—	$	—		$	357
Short-term investments:
Certificates of deposit	237		—		—			237
U.S. treasury notes	9,101		5		—			9,106
U.S. government agency securities	2,437		—		—			2,437
Long-term investments:
U.S. treasury notes	1,998		4		—			2,002
U.S. government agency securities	5,063		—		(4		)	5,059
Total	$	19,193	$	9	$	(4	)	$	19,198

	December 31, 2013
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Estimated Fair Value
	(in thousands)
Cash equivalents:
Money market funds	$	5,356	$	—	$	—		$	5,356
Short-term investments:
U.S. treasury notes	2,071		—		—			2,071
U.S. government agency securities	1,454		—		—			1,454
Long-term investments:
Certificates of deposit	238		—		—			238
U.S. treasury notes	9,116		3		(2		)	9,117
U.S. government agency securities	8,187		1		(5		)	8,183
Total	$	26,422	$	4	$	(7	)	$	26,419

At June 30, 2014 and December 31, 2013, remaining contractual maturities of available for sale investments classified as current on the balance sheet were less than 12 months, and remaining contractual maturities of available for sale investments classified as long term were less than two years.

There were no unrealized gains or losses on investments reclassified from accumulated other comprehensive income (loss) to other income (expense) in the Statement of Operations during the six months ended June 30, 2014 and 2013.