Quarterly report pursuant to Section 13 or 15(d)

Customer Inducements (Tables)

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Customer Inducements (Tables)
9 Months Ended
Sep. 30, 2012
Customer Inducements [Abstract]  
Amortization and imputed interest expense
                                 
    Three Months Ended
September 30,
    Nine Months Ended
September 30,
 
    2012     2011     2012     2011  

Amortization expense

  $ —       $ 1,207     $ —       $ 3,620  

Imputed interest expense

    —         202       —         609