| Year Ended December 31, | For the three months ended | |||||||||||||||||||||||
| 2007 | 2006 | 2005 | 2004 | 2003 | March 31, 2008 | |||||||||||||||||||
| (Dollars In thousands) | ||||||||||||||||||||||||
Earnings before fixed charges: | ||||||||||||||||||||||||
| Loss from continuing operations before income taxes, minority interest and income/(loss) from equity investees | $ | (20,340 | ) | $ | (36,856 | ) | $ | (11,127 | ) | $ | (9,516 | ) | $ | (12,814 | ) | $ | (5,114 | ) | ||||||
| Add fixed charges | 29 | 37 | 26 | 23 | 227 | 10 | ||||||||||||||||||
| Add amortization of capitalized interest | — | — | — | — | — | — | ||||||||||||||||||
| Add distributed income of equity investees | — | — | — | — | — | — | ||||||||||||||||||
| Subtract capitalized interest | — | — | — | — | — | — | ||||||||||||||||||
| Loss before fixed charges | $ | (20,311 | ) | $ | (36,819 | ) | $ | (11,101 | ) | $ | (9,493 | ) | $ | (12,857 | ) | $ | (5,104 | ) | ||||||
Fixed charges: | ||||||||||||||||||||||||
| Interest expense | $ | 6 | $ | 4 | $ | 2 | $ | 4 | $ | 56 | $ | 2 | ||||||||||||
| Amortization of debt expense | — | — | — | — | 151 | — | ||||||||||||||||||
| Estimate of interest expense within rental expense | 23 | 33 | 24 | 19 | 20 | 8 | ||||||||||||||||||
| Preference security dividend requirements of consolidated subsidiaries | — | — | — | — | — | — | ||||||||||||||||||
| Total fixed charges | $ | 29 | $ | 37 | $ | 26 | $ | 23 | $ | 227 | $ | 10 | ||||||||||||
| Deficiency of earnings available to cover fixed charges | $ | (20,340 | ) | $ | (36,856 | ) | $ | (11,127 | ) | $ | (9,516 | ) | $ | (12,814 | ) | $ | (5,114 | ) | ||||||
