Fair Value Disclosures

6 Months Ended

Jun. 30, 2012

Fair Value Disclosures [Abstract]

Fair Value Disclosures

NOTE 6 FAIR VALUE DISCLOSURES

We follow a three-tier fair value hierarchy which prioritizes the inputs used in measuring the fair value of our assets and liabilities. These tiers include (i) Level 1, defined as observable inputs such as quoted prices in active markets for identical assets; (ii) Level 2, defined as observable inputs other than Level 1 prices such as quoted prices for similar assets, quoted prices in markets that are not active, or other inputs that are observable or can be corroborated by observable market data for substantially the full term of the assets or liabilities; and (iii) Level 3, defined as unobservable inputs in which little or no market data exists, therefore requiring an entity to develop its own assumptions. All cash and cash equivalents, as well as available-for-sale marketable securities, are recorded at fair value at June 30, 2012 and December 31, 2011. The inputs used in measuring the fair value of these instruments are considered to be Level 1 and Level 2 in accordance with the three-tier fair value hierarchy.

The inputs used in measuring the fair value of cash and cash equivalents are considered to be Level 1 in accordance with the three-tier fair value hierarchy and the fair values are based on period-end statements supplied by the various banks and brokers. The majority of our funds were deposited in institutional money market mutual funds with the remainder held in regular interest bearing and non-interest bearing depository accounts with commercial banks.

The inputs used in measuring the fair value of our available-for-sale marketable securities at December 31, 2011 (none at June 30, 2012) are considered to be Level 2 in accordance with the three-tier fair value hierarchy. These securities are valued using a multi-dimensional pricing model that includes a variety of inputs, including quoted prices for similar assets and liabilities in active markets and quoted prices for identical or similar assets or liabilities in markets that are not active. To assess the fair value of these securities, we obtain fair values from an independent third-party valuation service provider. As we are responsible for the determination of fair value, we review the values provided by the independent third-party valuation service provider for reasonableness, which could include reviewing other publicly available information.

December 31, 2011			Quoted Prices in Active Markets for Identical Assets		Significant Other Observable Inputs		Significant Unobservable Inputs
(In thousands)	Total		Level 1		Level 2		Level 3
Government-sponsored securities	$	993	$	—	$	993	$	—
Corporate debt securities		1,086		721		365		—
Total	$	2,079	$	721	$	1,358	$	—