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Cash, Cash Equivalents and Investments (Tables)

12 Months Ended

Dec. 31, 2012

Cash, Cash Equivalents and Investments [Abstract]

Cash, cash equivalents and investments

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

	December 31, 2012				December 31, 2011
	Amortized Cost	Gross Unrealized Gain	Gross Unrealized (Loss)	Fair Value	Amortized Cost	Gross Unrealized Gain	Gross Unrealized (Loss)	Fair Value
Classified as:
Cash	$    26,250	$              —	$              —	$ 26,250	$     25,299	$              —	$              —	$ 25,299
Cash equivalents:
Money market fund	4,384	—	—	4,384	857	—	—	857
Total cash equivalents	4,384	—	—	4,384	857	—	—	857
Total cash and cash equivalents	30,634	—	—	30,634	26,156	—	—	26,156
Investments(available for sale):
Certificates of Deposit	6,638	9	(2)	6,645	3,561	5	(3)	3,563
US Treasury and agency securities	—	—	—	—	1,200	—	(1)	1,199
Corporate bonds	12,872	7	(63)	12,816	9,859	2	(137)	9,724
Total investments	19,510	16	(65)	19,461	14,620	7	(141)	14,486
Total cash, cash equivalents and investments	$      50,144	$              16	$         (65)	$ 50,095	$      40,776	$                 7	$         (141)	$ 40,642
Contractual maturities on investments:
Due within 1 year	$      10,288			$ 10,270	$        5,521			$   5,505
Due after 1 through 5 years	9,222			9,191	9,099			8,981
	$      19,510			$ 19,461	$      14,620			$ 14,486

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, 2012 (in thousands):

		In Loss Position < 12 months						In Loss Position > 12 months						Total In Loss Position
					Gross						Gross						Gross
		Fair			Unrealized			Fair			Unrealized			Fair			Unrealized
		Value			(Loss)			Value			(Loss)			Value			(Loss)
Investments:
Certificates of deposit		$	1,877		$	(1	)	$	199		$	(1	)	$	2,076		$	(2	)
Corporate bonds		6,446			(40		)	1,502			(23		)	7,948			(63		)
Total in loss position		$	8,323		$	(41	)	$	1,701		$	(24	)	$	10,024		$	(65	)

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, 2011 (in thousands):

		In Loss Position < 12 months						Total In Loss Position
					Gross						Gross
		Fair			Unrealized			Fair			Unrealized
		Value			(Loss)			Value			(Loss)
Investments:
Certificates of Deposit			678			(3	)		678			(3	)
US Treasury and agency securities			1,199			(1	)		1,199			(1	)
Corporate bonds		$	8,221		$	(137	)	$	8,221		$	(137	)
Total in loss position		$	10,098		$	(141	)	$	10,098		$	(141	)

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, 2012 (in thousands):

	Balance as of December 31, 2012	Quoted Prices in Active Markets of Identical Assets (Level 1)	Significant Other Observable Inputs (Level 2)
Assets:
Cash equivalents and investments:
Money market fund	$                4,384	$                4,384	$                     —
Certificates of deposit	6,645	—	6,645
Corporate bonds	12,816	—	12,816
Total	$              23,845	$                4,384	$              19,461
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, 2011 (in thousands):

	Balance as of December 31, 2011	Quoted Prices in Active Markets of Identical Assets (Level 1)	Significant Other Observable Inputs (Level 2)
Assets:
Cash equivalents and investments:
Money market fund	$                   857	$                   857	$                      —
Certificates of deposit	3,563	—	3,563
US Treasury and agency securities	1,199	—	1,199
Corporate bonds	9,724	—	9,724
Total	$              15,343	$                   857	$              14,486
Liabilities	$                     —	$                     —	$                     —

X

- Definition

Tabular disclosure of fair value of investments in debt and equity securities in an unrealized loss position categorized neither as held-to-maturity nor trading securities.

+ References

No definition available.

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X

- Definition

Tabular disclosure of the components of cash, cash equivalents, and short-term investments. Short-term investments may include current marketable securities.

+ References

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- Definition

Tabular disclosure of assets and liabilities, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 820

-SubTopic 10

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=7578670&loc=d3e19190-110258

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