Exhibit 12.1
STATEMENT REGARDING THE COMPUTATION OF RATIO OF COMBINED FIXED CHARGES AND
PREFERENCE DIVIDENDS TO EARNINGS
| Nine Months Ended September 30, 2009 |
Year Ended December 31, | |||||||||||||||||||||||
| 2008 | 2007 | 2006 | 2005 | 2004 | ||||||||||||||||||||
| Fixed charges: |
||||||||||||||||||||||||
| Interest expense |
$ | 2,000 | $ | 21,000 | $ | 96,000 | $ | 272,000 | $ | 533,000 | $ | 795,000 | ||||||||||||
| Estimated interest portion of rent expense |
1,311,000 | 1,859,000 | 1,967,000 | 2,057,000 | 2,130,000 | 2,152,000 | ||||||||||||||||||
| Total fixed charges |
$ | 1,313,000 | $ | 1,880,000 | $ | 2,063,000 | $ | 2,329,000 | $ | 2,663,000 | $ | 2,947,000 | ||||||||||||
| Earnings: |
||||||||||||||||||||||||
| Loss from continuing operations before income taxes |
$ | (21,249,000 | ) | $ | (36,896,000 | ) | $ | (35,894,000 | ) | $ | (23,148,000 | ) | $ | (24,357,000 | ) | $ | (23,733,000 | ) | ||||||
| Add: Fixed charges |
1,313,000 | 1,880,000 | 2,063,000 | 2,329,000 | 2,663,000 | 2,947,000 | ||||||||||||||||||
| Amortization of capitalized interest |
— | — | — | — | 2,000 | 13,000 | ||||||||||||||||||
| Total earnings |
$ | (19,936,000 | ) | $ | (35,016,000 | ) | $ | (33,831,000 | ) | $ | (20,819,000 | ) | $ | (21,692,000 | ) | $ | (20,773,000 | ) | ||||||
| Ratio of combined fixed charges and preference dividends to earnings(1) |
— | — | — | — | — | — | ||||||||||||||||||
| (1) | For the nine months ended September 30, 2009 and the years ended December 31, 2008, 2007, 2006, 2005 and 2004, the earnings were insufficient to cover fixed charges by $21,249,000, $36,896,000, $35,894,000, $23,148,000, $24,357,000 and $23,733,000, respectively. |