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Restricted Cash
12 Months Ended
Dec. 31, 2015
Restricted Cash  
Restricted Cash

4. Restricted Cash

        At December 31, 2015 and 2014, the Company had an outstanding letter of credit for $0.1 million as a security deposit for its operating lease agreement for office space (Note 9). The Company is required to maintain this deposit for the duration of the lease agreement.