| Cash and cash equivalents | 3.45M |
| Prepaid expenses and other current assets | 319K |
| Total current assets | 3.77M |
| Equipment, less accumulated depreciation of $704 and $682 at June 30, 2011 and December 31, 2010, respectively | 49K |
| Intangible assets, less accumulated amortization of $426 and $364 at June 30, 2011 and December 31, 2010, respectively | 1.14M |
| Other assets | 5K |
| Total assets | 4.96M |
| Accounts payable and accrued expenses | 3.38M |
| Notes payable, net of discount | 6.08M |
| Total current liabilities | 9.45M |
| Derivative financial instruments, at estimated fair value - warrants | 4.17M |
| Total liabilities | 13.63M |
| Commitments and contingencies | 0 |
| Preferred stock; 5,000,000 shares authorized | |
| Common Stock: $0.001 par value; 100,000,000 shares authorized, 27,997,701 and 27,918,148 issued and outstanding at June 30, 2011 and December 31, 2010, respectively | 28K |
| Additional paid-in capital | 58M |
| Deficit accumulated during the development stage | -66.8M |
| Total stockholders' deficit | -8.66M |
| Total liabilities and stockholders' deficit | 4.96M |
| Preferred stock; 5,000,000 shares authorized | |
| Preferred Stock | 0 |
| Preferred stock; 5,000,000 shares authorized | |
| Preferred Stock | 28K |
| Preferred stock; 5,000,000 shares authorized | |
| Preferred Stock | 73K |