| Cash and cash equivalents | 17.64M |
| Certificate of deposit | 568.03K |
| Government grant receivable | |
| Prepaid expenses | 310.86K |
| Total current assets | 45.06M |
| Property and equipment, net | 249.04K |
| Deposits | 8.89K |
| Total assets | 45.31M |
| Accounts payable | 1.06M |
| Accrued expenses and other liabilities | 940.27K |
| Total current liabilities | 2M |
| Accrued expenses and other liabilities, non-current | |
| Total liabilities | 2.41M |
| Commitments and contingencies | 0 |
| Preferred stock, $0.001 par value, 5,000,000 shares authorized: none issued and outstanding | 0 |
| Common stock, $0.001 par value, 100,000,000 shares authorized; 21,654,680 shares and 19,394,737 shares issued and outstanding at June 30, 2011 and December 31, 2010, respectively | 82.87K |
| Additional paid-in capital | |
| Deficit accumulated during the development stage | -103.98M |
| Total stockholders' equity | 42.9M |
| Total liabilities and stockholders' equity | 45.31M |