| Net loss | 3.54M |
| Depreciation and amortization of property and equipment | 72K |
| Expense related to stock options, net of reversals | 5.1M |
| Expense related to stock issued for services or in conjunction with license agreement | |
| Expense related to stock issued below fair value | |
| Interest accrued on convertible promissory note | |
| Settlement of liquidated damages in stock | |
| Prepaid expenses and other current assets | -679K |
| Other assets | 0 |
| Accounts payable | 2.98M |
| Accrued clinical expenses | |
| Other liabilities | |
| Net cash used in operating activities | |
| Purchases of property and equipment | -119K |
| Purchases of investments | |
| Maturities of investments | |
| Net cash used in investing activities | |
| Proceeds from issuance of common stock and warrants, including collection of notes receivable, net of issuance costs | |
| Proceeds from issuance of convertible preferred stock, net of cash paid for issuance costs | |
| Proceeds from issuance of convertible notes | |
| Principal payments of obligations under capital leases | |
| Net cash provided by financing activities | |
| Net increase in cash and cash equivalents | 7.43M |
| Cash and cash equivalents, at beginning of period | 40.44M |
| Cash and cash equivalents, at end of period | 47.87M |