Investments

12 Months Ended

Dec. 31, 2014

Investments

Investments

8. Investments

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

	December 31, 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		2,934		—		—			2,934
U.S treasury notes		9,020		4		—			9,024
U.S. government agency securities		8,853		—		(8	)		8,845
Long-term investments:
Certificates of deposit		1,848		—		—			1,848
U.S. treasury notes		2,494		—		(5	)		2,489
U.S. government agency securities		31,454		—		(50	)		31,404
Total	$	56,960	$	4	$	(63	)	$	56,901
	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 December 31, 2014, 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 to other income (expense) in the Statement of Operations during the year ended December 31, 2014.