Investments

12 Months Ended

Dec. 31, 2014

Investments

Investments

3. Investments

At December 31, 2014, the amortized cost and fair value of investments, with gross unrealized gains and losses, were as follows:

(in thousands)			Gross		Gross
	Amortized		Unrealized		Unrealized
	Cost		Gains		Losses		Fair Value
Money market funds	$	9,663	$	—	$	—	$	9,663
Federal agency securities		13,774		—		(4)		13,770
Commercial paper		1,499		1		—		1,500
Corporate debt securities		14,525		—		(5)		14,520
Total investments	$	39,461	$	1	$	(9)	$	39,453
Reported as:
Cash and cash equivalents							$	9,470
Marketable securities								29,790
Restricted cash								193
Total investments							$	39,453

At December 31, 2013, the amortized cost and fair value of investments, with gross unrealized gains and losses, were as follows:

(in thousands)			Gross		Gross
	Amortized		Unrealized		Unrealized
	Cost		Gains		Losses		Fair Value
Money market funds	$	53,511	$	—	$	—	$	53,511
Federal agency securities		12,301		—		—		12,301
Commercial paper		8,246		3		—		8,249
Corporate debt securities		1,961		—		—		1,961
Total investments	$	76,019	$	3	$	—	$	76,022
Reported as:
Cash and cash equivalents							$	53,306
Marketable securities								22,511
Restricted cash								205
Total investments							$	76,022

As of December 31, 2014, all securities had average remaining contractual maturities of less than four months.