| Cash and cash equivalents | 27.99M |
| Marketable securities | |
| Interest receivable | 310K |
| Accounts receivable | 1.48M |
| Prepaid expenses | 1.47M |
| Total current assets | 148.85M |
| Property and equipment, net | 4.88M |
| Other assets | |
| Total assets | 164.98M |
| Accounts payable and accrued liabilities | 6.32M |
| Accrued compensation and employee benefits | 2.84M |
| Deferred revenues | 4.71M |
| Total current liabilities | 13.87M |
| Commitments and contingencies | 0 |
| Common stock, $0.01 par value; 80,000,000 shares authorized, 52,444,457 and 45,377,739 shares issued and outstanding at June 30, 2011 and December 31, 2010, respectively | 706K |
| Additional paid-in capital | |
| Accumulated deficit | -431.29M |
| Accumulated other comprehensive income / (loss) | 77K |
| Total stockholders' equity | 143.84M |
| Total liabilities and stockholders' equity | 164.98M |