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Restricted Cash and Investments
9 Months Ended
Sep. 30, 2012
Restricted Cash and Investments [Abstract]  
Restricted Cash and Investments
4. Restricted Cash and Investments

Restricted cash and investments represents a security deposit for the 530 Fifth Avenue corporate office space. The Company provided the lessor a bank-issued letter of credit, which is fully collateralized by a certificate of deposit issued by that bank. The restricted cash balance was approximately $216,000 and $215,000 at September 30, 2012 and December 31, 2011, respectively.