| Revenue (including amounts from a related party of $2,456 for the three months ended June 30, 2011 and 2010, and $4,913 for the six months ended June 30, 2011 and 2010) | |
| Research and development | 286K |
| General and administrative | 5.11M |
| Total operating expenses | 5.39M |
| Loss from operations | 27.92M |
| Interest income | |
| Interest expense | -13.1M |
| Net loss | |
| Basic and diluted net loss per share (in dollars per share) | |
| Shares used in computing net loss per share, basic (in shares) | 109.28M |
| Shares used in computing net loss per share, diluted (in shares) | 121.99M |