| Net loss | -4.26M |
| Depreciation and amortization | 70K |
| Non-cash charges for stock-based compensation | 594K |
| Change in fair value of warrant | |
| Change in accounts receivable | |
| Change in accounts payable and accrued expenses | |
| Change in unearned revenue | |
| Change in other assets and liabilities, net | |
| Net cash used in operating activities | |
| Purchases of property and equipment | -21K |
| Maturities of investment securities | 1.64M |
| Purchases of investment securities | -3.49M |
| Net cash used in investing activities | |
| Proceeds from issuance of common stock and warrants, net of issuance costs | |
| Net cash provided by financing activities | 4.49M |
| Increase (decrease) in cash and cash equivalents | -2.12M |
| Beginning balance of cash and cash equivalents | 7.02M |
| Ending balance of cash and cash equivalents | 4.89M |