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RESTRUCTURING
9 Months Ended
Sep. 30, 2013
Restructuring And Related Activities [Abstract]  
RESTRUCTURING

10. RESTRUCTURING

In November 2012, the Company notified 21 employees based in Bothell, Washington that they would be terminated as part of the relocation of the Company’s corporate headquarters to Cambridge, Massachusetts. The employees were given various incentives to remain through a transition period which is expected to be completed in 2013. For the nine months ended September 30, 2013, the Company recorded restructuring charges of $0.4 million to research and development expense and $0.3 million to general and administrative expense. All transition costs are expected to be paid in 2013.

Changes in the liability and the balance related to the restructuring plan are as follows:

 

     Nine months ending
September 30, 2013
 
     (in thousands)  

Balance at December 31, 2012

   $ 185   

Restructuring charges

     726   

Payments

     (821
  

 

 

 

Balance at September 30, 2013

   $ 90