EXHIBIT 12.1
| Statements Regarding Computations of Ratio of Earnings to Fixed Charges | ||||||||||||||||||||||||
| (in thousands) | ||||||||||||||||||||||||
| Nine months ended September 30, 2005 |
Year ended December 31, |
|||||||||||||||||||||||
| 2004 |
2003 |
2002 |
2001 |
2000 |
||||||||||||||||||||
| Net Income (Loss) |
$ | 12,504 | $ | (78,942 | ) | $ | (58,653 | ) | $ | (33,247 | ) | $ | (28,040 | ) | $ | (29,412 | ) | |||||||
| Fixed Charges |
3,907 | 2,395 | 3,017 | 3,179 | 3,833 | 3,992 | ||||||||||||||||||
| Earnings as defined |
$ | 16,411 | $ | (76,547 | ) | $ | (55,636 | ) | $ | (30,068 | ) | $ | (24,207 | ) | $ | (25,420 | ) | |||||||
| Fixed Charges: |
||||||||||||||||||||||||
| Interest expense |
$ | 3,014 | $ | 1,229 | $ | 1,875 | $ | 2,041 | $ | 2,570 | $ | 2,680 | ||||||||||||
| Estimated interest component of rent expense |
893 | 1,166 | 1,142 | 1,138 | 1,263 | 1,312 | ||||||||||||||||||
| Total fixed charges |
$ | 3,907 | $ | 2,395 | $ | 3,017 | $ | 3,179 | $ | 3,833 | $ | 3,992 | ||||||||||||
| Ratio of earnings to fixed charges |
4.20 | x | N/A | N/A | N/A | N/A | N/A | |||||||||||||||||