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Commitments
12 Months Ended
Dec. 31, 2012
Commitments
11.   Commitments

Leases

The Company has entered into operating leases for facilities and equipment. These leases are non-cancellable and typically do not contain renewal options. Certain leases contain rent escalation clauses for which the Company recognizes the expense on a straight-line basis. Rent expense under the Company’s operating leases for the years ended December 31, 2012, 2011 and 2010 was approximately $4.1 million, $4.8 million and $6.8 million, respectively. Future minimum lease payments under operating leases, net of amounts to be received under sub-leases, as of December 31, 2012 are as follows:

 

(US$ in thousands)

      

2013

   $ 3,340   

2014

     2,992   

2015

     2,816   

2016

     2,677   

2017

     2,620   

Thereafter

     2,624   
  

 

 

 

Total

   $ 17,069