Notes Payable	12 Months Ended
Dec. 31, 2013
Notes Payable
Notes Payable	16. Notes Payable In June 2012, December 2012 and March 2013, the Company issued secured promissory notes (the "Notes") in the amount of $7.5 million and $4.0 million and $1.5 million, respectively, to the same lender. The Notes bore interest on the outstanding principal amount thereof from the Closing Date until paid in full at a rate per annum equal to the sum of (i) the greater of (A) the LIBOR Rate in effect for the applicable Interest Period and (B) 3.0%, plus (ii) the LIBOR Rate Margin adjusted on the first day of each Interest Period and fixed for the duration of each such Interest Period. The Company repaid in full the outstanding principal of the Notes, together with accrued and unpaid interest and related prepayment fees in May 2013. The repayment of the Notes resulted in a loss on extinguishment of debt in the amount of $1.1 million for the year ended December 31, 2013. In addition, the Company made payments of $0.8 million which, in accordance with the Notes, were required upon the earlier of the maturity date or the prepayment date of the Notes. These payments were recorded as interest expense for year ended December 31, 2013.

Notes Payable

12 Months Ended

Dec. 31, 2013

16. Notes Payable

In June 2012, December 2012 and March 2013, the Company issued secured promissory notes (the "Notes") in the amount of $7.5 million and $4.0 million and $1.5 million, respectively, to the same lender. The Notes bore interest on the outstanding principal amount thereof from the Closing Date until paid in full at a rate per annum equal to the sum of (i) the greater of (A) the LIBOR Rate in effect for the applicable Interest Period and (B) 3.0%, plus (ii) the LIBOR Rate Margin adjusted on the first day of each Interest Period and fixed for the duration of each such Interest Period.

The Company repaid in full the outstanding principal of the Notes, together with accrued and unpaid interest and related prepayment fees in May 2013. The repayment of the Notes resulted in a loss on extinguishment of debt in the amount of $1.1 million for the year ended December 31, 2013. In addition, the Company made payments of $0.8 million which, in accordance with the Notes, were required upon the earlier of the maturity date or the prepayment date of the Notes. These payments were recorded as interest expense for year ended December 31, 2013.