Cash, Cash Equivalents and Investments (Tables)

12 Months Ended

Dec. 31, 2014

Cash, Cash Equivalents and Investments [Abstract]

Our cash, cash equivalents and investments are classified as follows (in thousands):

	December 31, 2014									December 31, 2013
	Amortized Cost		Gross Unrealized Gain		Gross Unrealized (Loss)			Fair Value		Amortized Cost		Gross Unrealized Gain		Gross Unrealized (Loss)			Fair Value
Classified as:
Cash	$	28,791	$	—	$	—		$	28,791	$	24,852	$	—	$	—		$	24,852
Cash equivalents:
Money market fund		23		—		—			23		109		—		—			109
Total cash and cash equivalents		28,814		—		—			28,814		24,961		—		—			24,961
Investments(available for sale):
Certificates of Deposit		10,195		1		(13	)		10,183		6,320		2		(4	)		6,318
Corporate bonds		9,214		1		(29	)		9,186		14,276		8		(6	)		14,278
Corporate equity security		44		710		—			754		125		1,923		—			2,048
Total investments		19,453		712		(42	)		20,123		20,721		1,933		(10	)		22,644
Total cash, cash equivalents and investments	$	48,267	$	712	$	(42	)	$	48,937	$	45,682	$	1,933	$	(10	)	$	47,605
Contractual maturities on investments:
Due within 1 year	$	11,631						$	12,340	$	10,569						$	12,499
Due after 1 through 5 years		7,822							7,783		10,152							10,145
	$	19,453						$	20,123	$	20,721						$	22,644

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 December 31, 2014 (in thousands):

	In Loss Position < 12 months					In Loss Position > 12 months					Total In Loss Position
	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	)

	In Loss Position < 12 months					In Loss Position > 12 months					Total In Loss Position
	Fair Value		Gross Unrealized (Loss)			Fair Value		Gross Unrealized (Loss)			Fair Value		Gross Unrealized (Loss)
Investments:
Certificates of deposit	$	3,425	$	(4	)	$	720	$	(0	)	$	4,145	$	(4	)
Corporate bonds		4,473		(5	)		3,711		(1	)		8,184		(6	)
Total in loss position	$	7,898	$	(9	)	$	4,431	$	(1	)	$	12,329	$	(10	)

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 December 31, 2014 (in thousands):

	Balance as of December 31, 2014		Quoted Prices in Active Markets of Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)
Assets:
Cash equivalents and investments:
Money market fund	$	23	$	23	$	—
Corporate equity securities		754		754		—
Certificates of deposit		10,183		—		10,183
Corporate bonds		9,186		—		9,186
Total	$	20,146	$	777	$	19,369
Liabilities	$	—	$	—	$	—

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, 2013 (in thousands):

	Balance as of December 31, 2013		Quoted Prices in Active Markets of Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)
Assets:
Cash equivalents and investments:
Money market fund	$	109	$	109	$	—
Corporate equity securities		2,048		2,048		—
Certificates of deposit		6,318		—		6,318
Corporate bonds		14,278		—		14,278
Total	$	22,753	$	2,157	$	20,596
Liabilities	$	—	$	—	$	—