Investments (Tables)

3 Months Ended

Mar. 31, 2015

Investments, Debt and Equity Securities [Abstract]

Amortized Cost and Gross Unrealized Gains and Losses on All Securities

The following table presents the amortized cost and gross unrealized gains and losses on all securities at March 31, 2015:

	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
	(in thousands)
Short-term Investments:
FDIC Guaranteed certificates of deposit	$	3,080	$	—	$	1	$	3,079
Corporate notes/bonds		12,806		—		9		12,797
Total short-term investments	$	15,886	$	—	$	10	$	15,876

The following table presents the amortized cost and gross unrealized gains and losses on all securities at December 31, 2014:

	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
	(in thousands)
Short-term Investments:
FDIC Guaranteed certificates of deposit	$	2,120	$	—	$	2	$	2,118
Corporate Notes/Bonds		18,458		—		14		18,444
Total short-term investments	$	20,578	$	—	$	16	$	20,562

Summarized Financial Assets Measured at Fair Value on Recurring Basis

The following table summarizes the Company’s financial assets measured at fair value on a recurring basis as of March 31, 2015:

	Level 1		Level 2		Level 3		Total
	(in thousands)
Cash Equivalents:
Money market funds	$	21,672	$	—	$	—	$	21,672
Investments:
Available-for-sales securities—current
FDIC Guaranteed certificates of deposit		—		3,079		—		3,079
Corporate notes/bonds		—		12,797		—		12,797
Total	$	21,672	$	15,875	$	—	$	37,548

The following table summarizes the Company’s financial assets measured at fair value on a recurring basis as of December 31, 2014:

	Level 1		Level 2		Level 3		Total
Cash Equivalents:
Money market funds	$	21,963	$	—	$	—	$	21,963
Investments:
Available-for-sales securities—current:
FDIC Guaranteed certificates of deposit		—		2,118		—		2,118
Corporate notes/bonds		—		18,444		—		18,444
Total	$	21,963	$	20,562	$	—	$	42,525