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Restructuring Expenses (Tables)
 3 Months Ended
Mar. 31, 2013
Restructuring Expenses [Abstract]  
Activity in restructuring liability account

The following is the activity in our restructuring liability account which is included in the accrued liabilities line item on the balance sheet for the period ended March 31, 2013 (in thousands):

 

                                         
    December 31, 2012
Balance		     Provision-net     Usage     Reclass     March 31, 2013
Balance		  

One-time employee termination benefits

   $ 8     $ —       $ —       $ (4 )    $ 4  

Lease/rental terminations

     —         —         —         —         —    

Relocation, move, other expenses

     —         —         (4 )      4       —    
   

 

 

    

 

 

    

 

 

    

 

 

    

 

 

  

Total

   $ 8     $ —       $ (4 )    $ —       $ 4