EXHIBIT 12.1

Statements Regarding Computations of Ratio of Earnings to Fixed Charges

(in thousands)

 

     Quarter
ended
September 30,
    Year ended December 31,  
     2007     2006     2005    2004     2003     2002  

Net Income (Loss)

   ($  2,449 )   ($51,841 )   $2,779    ($78,942 )   ($58,653 )   ($33,247 )

Fixed Charges

   11,723     14,507     5,718    2,395     3,017     3,179  

Earnings as defined

   $  9,274     ($37,334 )   $8,497    ($76,547 )   ($55,636 )   ($30,068 )

Fixed Charges:

             

Interest expense

   $10,159     $12,890     $4,254    $  1,229     $  1,875     $  2,041  

Amortization of debt issuance costs

   199     42     —      —       —       —    

Estimated interest component of rent expense

   1,365     1,575     1,464    1,166     1,142     1,138  

Total fixed charges

   $11,723     $14,507     $5,718    $  2,395     $  3,017     $  3,179  

Ratio of earnings to fixed charges

   N/A     N/A     1.5x    N/A     N/A     N/A