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Related Party Transactions
 12 Months Ended
Dec. 31, 2011
Related Party Transactions [Abstract]  
Related Party Transactions

21. Related Party Transactions

On April 1, 2009, we entered into an agreement with Sierra Partners LLC (“Sierra”) pursuant to which Sierra agreed to provide us with investor relations and corporate finance consulting services.  A founder and partner of Sierra is also one of our directors. Under the terms of the agreement, Sierra provided us with consulting services commencing April 1, 2009 and ending on March 31, 2010, with the agreement continuing thereafter on a month-to-month basis.  Sierra assists us with our efforts to maintain an investor relations program and provides support and analysis of our general corporate finance and strategy efforts.  As compensation for these services, we agreed to pay to Sierra a monthly retainer fee of $10 for the duration of the agreement.  As part of the original terms of the agreement, we issued 60,000 stock options to Sierra with a recorded expense of $54 as of December 31, 2010.  On December 15, 2010, we issued an additional 30,000 stock options to Sierra with a recorded expense of $40 as of December 31, 2011.  As of December 31, 2011, we had made payments to Sierra under the agreement totaling $330, of which $120 had been paid during the year ended December 31, 2011.