Cash collateral pledged

6 Months Ended

Jun. 30, 2011

Cash collateral pledged

Cash collateral pledged

4. Cash collateral pledged

        As of June 30, 2011 and December 31, 2010, cash collateral pledged in the amount of $9.8 million and $8.6 million, respectively, primarily relates to a) a bond held as collateral on a letter of credit and b) a letter of credit issued to the landlord of the Company's premises in New York City (see Note 14). Also included in cash collateral pledged as of June 30, 2011 and December 31, 2010 is $0.5 million, relating to an agreement that the Company has with Société Générale to cover the costs of litigation matters included in the agreement.