| Net loss | -20.41M |
| Depreciation and amortization | |
| Stock-based compensation expense | 2.44M |
| Change in common stock warrant value | |
| Amortization of debt issuance costs | |
| Loss on sale of investments, property and equipment | |
| Prepaid expenses and other assets | 1.74M |
| Accounts payable | -26K |
| Accrued clinical and development expenses | |
| Accrued liabilities | -2.16M |
| Deferred rent | |
| Net cash used in operating activities | |
| Acquisition of property and equipment | 0 |
| Acquisition of marketable securities | |
| Proceeds from sales and maturities of marketable securities | |
| Restricted cash | |
| Net cash provided by (used in) investing activities | |
| Proceeds from redeemable convertible preferred stock, net | |
| Proceeds from issuance of common stock and warrants, net of offering expenses | 27K |
| Deferred offering costs | |
| Proceeds from issuance of notes payable | |
| Repayment of notes payable | |
| Net cash provided by financing activities | |
| Net increase (decrease) in cash and cash equivalents | 5.57M |
| Cash and cash equivalents, beginning of period | 9.59M |
| Cash and cash equivalents, end of period | 15.16M |
| Deferred stock-based compensation | |
| Cumulative effect of change in accounting principle - Reclassification of common stock warrants to liability upon adoption of ASC 815 | |
| Change in unrealized gain (loss) on marketable securities | |
| Conversion of redeemable preferred stock | |
| Dividend related to beneficial conversion feature of redeemable convertible preferred stock. | |