Marketable Securities	6 Months Ended
Marketable Securities	Jun. 30, 2012
Marketable Securities [Abstract]
Marketable Securities	3. Marketable Securities The Company held $15.1 million of marketable securities at June 30, 2012. The Company has classified these investments as available for sale. These investments are comprised of federally insured certificates of deposit as follows: $5.1 million with a maturity date of July 12, 2012; $7.0 million with a maturity date of October 4, 2012; and $3.0 million with a maturity date of March 28, 2013.

- Definition

Tabular disclosure of marketable securities. This may consist of investments in certain debt and equity securities, short-term investments and other assets.

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