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Restructuring Charges (Tables)
9 Months Ended
Sep. 30, 2012
Restructuring Charges [Abstract]  
Components of company's restructuring charges

The components of our restructuring charges are as follows:

 

                 
    Three months
ended
September 30,

2011
    Nine months
ended
September 30,

2011
 
    (in thousands)  

Transfer of manufacturing equipment

  $ 92     $ 424  

Distributor contract termination charges

    —         572  

Non-cash asset write-off

    8       732  

Severance

    280       291  

Other

    14       30  
   

 

 

   

 

 

 

Total

  $ 394     $ 2,049  
   

 

 

   

 

 

 
Activity related to accrued restructuring costs

Activity related to accrued restructuring costs is as follows:

 

         
    Nine months
ended
September 30, 2012
 
    (in thousands)  

Balance at beginning of period

  $ 101  

Plus:

       

Current period restructuring costs

    —    

Less:

       

Payment of employee severance costs

    101  
   

 

 

 

Balance at end of period

  $ —