EXHIBIT 12.1
| Statement of Computation of Ratios | |
| | | | | | | | | | | | | | | | | | Three | |
| | | | | | | | | | | | | | | | | | Months Ended | |
| | | Year Ended December 31, | | | March 31, | |
| | | 2004 | | | 2005 | | | 2006 | | | 2007 | | | 2008 | | | 2009 | |
| | | (in thousands) | |
| Earnings: | | | | | | | | | | | | | | | | | | |
| Net Loss | | $ | (2,804 | ) | | $ | (3,463 | ) | | $ | (5,286 | ) | | $ | (5,388 | ) | | $ | (8,112 | ) | | $ | (318 | ) |
| Add: Fixed charges | | | - | | | | - | | | | - | | | | 41 | | | | 102 | | | | 23 | |
| Earnings as defined | | $ | (2,804 | ) | | $ | (3,463 | ) | | $ | (5,286 | ) | | $ | (5,347 | ) | | $ | (8,010 | ) | | $ | (295 | ) |
| | | | | | | | | | | | | | | | | | | | | | | | | |
| Fixed Charges: | | | | | | | | | | | | | | | | | | | | | | | | |
| Interest expensed | | | - | | | | - | | | | - | | | | 34 | | | | 94 | | | | 21 | |
| Interest portion of operating lease expense | | | - | | | | - | | | | - | | | | 7 | | | | 8 | | | | 1 | |
| Total fixed charges | | | - | | | | - | | | | - | | | | 41 | | | | 102 | | | | 23 | |
| | | | | | | | | | | | | | | | | | | | | | | | | |
| Ratio of earning to fixed charges(1) | | | N/A | | | | N/A | | | | N/A | | | | N/A | | | | N/A | | | | N/A | |
(1) Earnings were insufficient to cover fixed charges by approximately $2.8 million, $3.5 million, $5.3 million, $5.4 million, and $8.1 million for the years ended December 31, 2004, 2005, 2006, 2007, and 2008, respectively.
