| Cash flows from operating activities: | |
| Net loss | -6.86M |
| Adjustments to reconcile net loss to net cash used in operating activities: | |
| Depreciation and amortization | 29.54K |
| Retirement of fixed assets | 0 |
| Non-cash gain on transfer of RXi common stock | |
| Stock option and warrant expense | 308.01K |
| Fair value adjustment on warrant liability | 2.1M |
| Changes in assets and liabilities: | |
| Receivable | 99.51K |
| Interest receivable | -13.65K |
| Prepaid expenses and other current assets | -250.06K |
| Income taxes recoverable | |
| Accounts payable | -1.21M |
| Accrued expenses and other current liabilities | 88.77K |
| Net cash used in operating activities | -5.91M |
| Cash flows from investing 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 | -2.44K |
| Net cash provided by investing activities | 3M |
| Cash flows from financing activities: | |
| Net proceeds from exercise of stock options | |
| Net cash provided by financing activities | |
| Net increase in cash and cash equivalents | -2.91M |
| Cash and cash equivalents at beginning of period | 14.34M |
| Cash and cash equivalents at end of period | 11.43M |
| Supplemental disclosure of cash flow information: | |
| Cash received during the period as interest income | |