Investments and Fair Value Measurements (Tables)

3 Months Ended

Mar. 31, 2015

Investments and Fair Value Measurements [Abstract]

Our cash and cash equivalents consist of cash and instruments with original maturities of less than 90 days. Our investments consist of instruments with original maturities of more than 90 days. As of March 31, 2015 and December 31, 2014, our cash, cash equivalents and investments are classified as follows (in thousands):

	March31,2015									December31,2014
	Amortized Cost		Gross Unrealized Gain		Gross Unrealized (Loss)			Fair Value		Amortized Cost		Gross Unrealized Gain		Gross Unrealized (Loss)			Fair Value
Classified as:
Cash	$	25,662	$	—	$	—		$	25,662	$	22,337	$	—	$	—		$	22,337
Cash equivalents:
Certificates of deposit¹		7,623		—		—			7,623		6,454		—		—			6,454
Money market fund		—		—		—			—		23		—		—			23
Total cash and cash equivalents		33,285		—		—			33,285		28,814		—		—			28,814

Investments (available for sale):
Certificates of deposit²		6,425		1		(7	)		6,419		10,195		1		(13	)		10,183
Corporate bonds		7,342		—		(31	)		7,311		9,214		1		(29	)		9,186
Corporate equity security		24		448		—			472		44		710		—			754
Total investments		13,791		449		(38	)		14,202		19,453		712		(42	)		20,123
Total cash, cash equivalents and investments	$	47,076	$	449	$	(38	)	$	47,487	$	48,267	$	712	$	(42	)	$	48,937
Contractual maturities on investments:
Due within 1 year	$	3,144						$	3,590	$	11,631						$	12,340
Due after 1 through 5 years		10,647							10,612		7,822							7,783
	$	13,791						$	14,202	$	19,453						$	20,123

1.	Certificate of deposit with original maturities of less than 90 days.

2.	Certificate of deposit with original maturities of more than 90 days.

Fair value and gross unrealized losses related to available-for-sale securities

The following table summarizes the fair value and gross unrealized losses related to available-for-sale securities, aggregated by investment category and length of time that individual securities have been in a continuous unrealized loss position as of March 31, 2015 (in thousands):

As of March 31, 2015	InLossPosition <12months					InLossPosition >12months				TotalIn LossPosition
	Fair Value		Gross Unrealized (Loss)			Fair Value		Gross Unrealized (Loss)		Fair Value		Gross Unrealized (Loss)
Investments:
Certificates of deposit	$	4,018	$	(7	)	$	480	$	—	$	4,498	$	(7	)
Corporate bonds		7,311		(31	)		—		—		7,311		(31	)
Total in loss position	$	11,329	$	(38	)	$	480	$	—	$	11,809	$	(38	)

A portion of our investments would generate a loss if we sold them on March 31, 2015. The following table summarizes the fair value and gross unrealized losses related to available-for-sale securities, aggregated by investment category and length of time that individual securities have been in a continuous unrealized loss position as of December 31, 2014 (in thousands):

As of December 31, 2014	InLossPosition <12months					InLossPosition >12months					TotalIn LossPosition
	Fair Value		Gross Unrealized (Loss)			Fair Value		Gross Unrealized (Loss)			Fair Value		Gross Unrealized (Loss)
Investments:
Certificates of deposit	$	4,492	$	(13	)	$	—	$	—		$	4,492	$	(13	)
Corporate bonds		3,770		(27	)		4,309		(2	)		8,079		(29	)
Total in loss position	$	8,262	$	(40	)	$	4,309	$	(2	)	$	12,571	$	(42	)

Summary of financial assets and liabilities measured at fair value on a recurring basis

The following table summarizes our financial assets and liabilities measured at fair value on a recurring basis in accordance with ASC 820 as of March 31, 2015 (in thousands):

	Balance as of March 31, 2015		Quoted Prices in Active Markets of Identical Assets (Level1)		Significant Other Observable Inputs (Level2)		Significant Unobservable Inputs (Level 3)
Assets:
Cash equivalents and investments:
Certificates of deposit	$	14,042	$	—	$	14,042	$	—
Corporate bonds		7,311		—		7,311		—
Corporate equity securities		472		472		—		—
Total	$	21,825	$	472	$	21,353	$	—
Liabilities:
Foreign currency hedge obligations	$	2	$	—	$	—	$	2

The following table summarizes our financial assets and liabilities measured at fair value on a recurring basis in accordance with ASC 820 as of December 31, 2014 (in thousands):

	Balance as of December 31, 2014		Quoted Prices in Active Markets of Identical Assets (Level1)		Significant Other Observable Inputs (Level2)		Significant Unobservable Inputs (Level 3)
Assets:
Cash equivalents and investments:
Money market fund	$	23	$	23	$	—	$	—
Certificates of deposit		10,183		—		10,183		—
Corporate bonds		9,186		—		9,186		—
Corporate equity securities		754		754		—		—
Total	$	20,146	$	777	$	19,369	$	—
Liabilities	$	—	$	—	$	—	$	—