| Cash and cash equivalents | 4.89M |
| Short-term investments | |
| Accounts receivable | 176K |
| Prepaid expenses and other | 369K |
| Total current assets | 8.94M |
| Property and equipment, net | 230K |
| Other assets | 97K |
| Total assets | 9.27M |
| Accounts payable | 967K |
| Accrued clinical trial expenses | |
| Accrued other expenses | |
| Unearned revenue | |
| Total current liabilities | 1.49M |
| Unearned revenue | |
| Total liabilities | 3.22M |
| Preferred stock, $0.001 par value, 5,000 shares authorized; none issued and outstanding in 2011 and 2010 | 0 |
| Common stock, $0.001 par value; 30,000 shares authorized; 12,918 and 12,908 shares issued and outstanding at June 30, 2011 and December 31, 2010, respectively | 23K |
| Additional paid-in capital | |
| Accumulated other comprehensive income | -1K |
| Accumulated deficit | -289.1M |
| Total stockholders' equity | 6.05M |
| Total liabilities and stockholders' equity | 9.27M |