| Net loss | |
| Depreciation and amortization | 81K |
| Founder's compensation contributed to capital | |
| Share-based compensation for employees and directors | 581K |
| Share-based compensation for non-employees | |
| Loss on settlement of debt | |
| Write-off of loan to related party | |
| Write-off of capitalized patent expense | |
| Adjustment to fair value of common stock warrant liability | 2K |
| Taxes receivable | |
| Other receivables | |
| Prepaid expenses and other assets | -21K |
| Accounts payable | 46K |
| Income taxes payable | 0 |
| Accrued expenses and long term liabilities | 1.49M |
| Total adjustments | 1.97M |
| Net cash used in operating activities | -10.2M |
| Purchase of property and equipment | 404K |
| Purchase of marketable securities | |
| Sale of marketable securities | |
| Acquisition of intellectual property | |
| Loan to related party | |
| Net cash (used in) provided by investing activities | 404K |
| Cash flows from financing activities: | |
| Restricted cash | -21K |
| Options exercised | |
| Warrants exercised | |
| Employee stock purchase plan | 0 |
| Deferred public offering costs | |
| Stockholder contribution | |
| Net proceeds from sale of Series A preferred stock 2011 | |
| Net proceeds from sale of common stock | |
| Proceeds from bridge financing | |
| Net cash provided by financing activities | -21K |
| Net (decrease) increase in cash and cash equivalents | -9.82M |
| Cash and cash equivalents, beginning of period | 40.85M |
| Cash and cash equivalents, end of period | 31.02M |
| Interest | |
| Income taxes | 19K |
| Warrants issued in connection with registered direct financing | |
| Settlement of debt with Series B preferred stock | |
| Accrued expenses settled with Series B preferred stock | |
| Deemed dividend - warrants | |
| Accretion of fair value of beneficial charge on preferred stock | |
| Conversion of convertible preferred stock to common stock | |
| Cash flows from financing activities: | |
| Net proceeds from sale of preferred stock | |
| Cash flows from financing activities: | |
| Net proceeds from sale of preferred stock | |