| Year ended September 30, | ||||||||||||||||||||
| 2005 | 2006 | 2007 | 2008 | 2009 | ||||||||||||||||
Earnings: | ||||||||||||||||||||
| Loss from operations before income taxes | $ | (3,381 | ) | $ | (8,058 | ) | $ | (22,423 | ) | $ | (44,344 | ) | $ | (42,933 | ) | |||||
| Add: | ||||||||||||||||||||
| Interest portion of rental expense (1) | 24 | 26 | 64 | 126 | 195 | |||||||||||||||
| Total Earnings | $ | (3,357 | ) | $ | (8,032 | ) | $ | (22,359 | ) | $ | (44,218 | ) | $ | (42,738 | ) | |||||
Fixed Charges: | ||||||||||||||||||||
| Interest portion of rental expense (1) | 24 | 26 | 64 | 126 | 195 | |||||||||||||||
| Total fixed charges | $ | 24 | $ | 26 | $ | 64 | $ | 126 | $ | 195 | ||||||||||
| Ratio of earnings to fixed charges | — | — | — | — | — | |||||||||||||||
| Coverage deficiency (2) | $ | (3,381 | ) | $ | (8,058 | ) | $ | (22,423 | ) | $ | (44,344 | ) | $ | (42,933 | ) | |||||
(1) Computation of Interest Factor of Rental Expense: | ||||||||||||||||||||
| Operating rental expense | $ | 73 | $ | 79 | $ | 194 | $ | 383 | $ | 591 | ||||||||||
| Interest factor | 33 | % | 33 | % | 33 | % | 33 | % | 33 | % | ||||||||||
| Total | $ | 24 | $ | 26 | $ | 64 | $ | 126 | $ | 195 | ||||||||||
| Calculated as 33% of rent expense, which is a reasonable approximation of the interest factor. | ||
| (2) | In each of the years, we incurred losses from operations and as a result our earnings were insufficient to cover our fixed charges. The amount shown represents the amount of the coverage deficiency in each such period. |
