| Net loss | -43.1M |
| Depreciation and amortization | 364.55K |
| Retirement of fixed assets | 9.12K |
| Non-cash gain on transfer of RXi common stock | |
| Stock option and warrant expense | 5.4M |
| Fair value adjustment on warrant liability | -939.67K |
| Receivable | 4.49M |
| Interest receivable | 28.13K |
| Prepaid expenses and other current assets | 781.01K |
| Income taxes recoverable | |
| Accounts payable | -3.25M |
| Accrued expenses and other current liabilities | -4.64M |
| Net cash used in operating activities | |
| Net proceeds from sale of marketable securities | |
| Proceeds from sale of assets held for sale | |
| Proceeds from sale of unconsolidated subsidiary shares | |
| Purchases of equipment and furnishings | -961.22K |
| Net cash provided by investing activities | |
| Net proceeds from exercise of stock options | |
| Net cash provided by financing activities | |
| Net increase in cash and cash equivalents | 36.61M |
| Cash and cash equivalents at beginning of period | 22.26M |
| Cash and cash equivalents at end of period | 58.88M |
| Cash received during the period as interest income | |