Exhibit 12.1



Statement Re:

Computation of Ratio of Earnings to Fixed Charges

(Dollars in thousands)



|                                                                                                                                                                  |  |                          |         |   |      |   |        |      |  |      |        |  |      |          |   |  |   |          |  
|----------------------------------------------------------------------------------------------------------------------------------------------------------------- |  | ------------------------ | ------- | - | ---- | - | ------ | ---- |  | ---- | ------ |  | ---- | -------- | - |  | - | -------- | -
|                                                                                                                                                                  |  | Years Ended December 31, |        
|                                                                                                                                                                  |  | 1999                     |         |   | 2000 |   |        | 2001 |  | 2002 |        |  | 2003 |         
|Income (loss) before provision (benefit) for income taxes, equity in net loss of unconsolidated affiliate and cumulative effect of change in
accounting principle |  | $                        | (17,553 | ) |      | $ | (9,661 | )    |  | $    | 5,247  |  | $    | (106,813 | ) |  | $ | (113,381 | )
|Fixed charges                                                                                                                                                     |  |                          | 220     |   |      |   | 204    |      |  |      | 4,865  |  |      | 9,392    |   |  |   | 12,061   |  
|                                                                                                                                                                  |  |                          |         |   |      |   |        |      |  |      |        |  |      |          |   |  |   |          |  
|Income (loss) as adjusted                                                                                                                                         |  | $                        | (17,333 | ) |      | $ | (9,457 | )    |  | $    | 10,112 |  | $    | (97,421  | ) |  | $ | (101,320 | )
|                                                                                                                                                                  |  |                          |         |   |      |   |        |      |  |      |        |  |      |          |   |  |   |          |  
|Fixed charges:                                                                                                                                                    |  |                          |         |   |      |   |        |      |  |      |        |  |      |          |   |  |   |          |  
|Interest expense                                                                                                                                                  |  | $                        | 8       |   |      | $ | 3      |      |  | $    | 4,615  |  | $    | 9,065    |   |  | $ | 11,777   |  
|Interest portion of rent expense                                                                                                                                  |  |                          | 212     |   |      |   | 201    |      |  |      | 250    |  |      | 327      |   |  |   | 284      |  
|                                                                                                                                                                  |  |                          |         |   |      |   |        |      |  |      |        |  |      |          |   |  |   |          |  
|Total fixed charges                                                                                                                                               |  | $                        | 220     |   |      | $ | 204    |      |  | $    | 4,865  |  | $    | 9,392    |   |  | $ | 12,061   |  
|                                                                                                                                                                  |  |                          |         |   |      |   |        |      |  |      |        |  |      |          |   |  |   |          |  
|Deficiency of earnings available to cover fixed charges                                                                                                           |  | $                        | (17,553 | ) |      | $ | (9,661 | )    |  | $    |       |  | $    | (106,813 | ) |  | $ | (113,381 | )
|Ratio of earnings to fixed changes                                                                                                                                |  |                          |        |   |      |   |       |      |  |      | 2.08   |  |      |         |   |  |   |         |