Income Taxes	3 Months Ended
Mar. 31, 2013
Income Taxes [Abstract]
Income Taxes	Income Taxes The Company recorded tax expense of $0.01 million and $0.02 million for the three month periods ended March 31, 2013 and 2012, respectively, reflecting certain state tax liabilities No amounts were recorded for unrecognized tax benefits or for the payment of interest and penalties during the three month periods ended March 31, 2013 and 2012. No federal or state tax benefits were recorded relating to the current year loss, as the Company continues to believe that a full valuation allowance is required on its net deferred tax assets. In July 2008, the Company received notification from the Internal Revenue Service that it had completed its audits of the Company's tax returns for the years 2001 through 2006 with no adjustments. An examination of the Company's 2011 federal income tax return is currently underway. State income tax returns for the year 2008 and forward are subject to examination. As of March 31, 2013, the Company has U.S. federal and state net operating loss carryforwards of approximately $116.5 million and $111.3 million, respectively. The net operating loss carryforwards, if unutilized, will expire in the years 2013 through 2032.

Income Taxes

3 Months Ended

Mar. 31, 2013

The Company recorded tax expense of $0.01 million and $0.02 million for the three month periods ended March 31, 2013 and 2012, respectively, reflecting certain state tax liabilities No amounts were recorded for unrecognized tax benefits or for the payment of interest and penalties during the three month periods ended March 31, 2013 and 2012. No federal or state tax benefits were recorded relating to the current year loss, as the Company continues to believe that a full valuation allowance is required on its net deferred tax assets.

In July 2008, the Company received notification from the Internal Revenue Service that it had completed its audits of the Company's tax returns for the years 2001 through 2006 with no adjustments. An examination of the Company's 2011 federal income tax return is currently underway. State income tax returns for the year 2008 and forward are subject to examination.

As of March 31, 2013, the Company has U.S. federal and state net operating loss carryforwards of approximately $116.5 million and $111.3 million, respectively. The net operating loss carryforwards, if unutilized, will expire in the years 2013 through 2032.