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v3.23.1

CONDENSED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2023 | Mar. 31, 2022 | Dec. 31, 2022
Cash flows used in operating activities: |  |  |
Net loss | $ (4,805) | $ (4,116) |
Adjustments to reconcile net loss to net cash used in operating activities: |  |  |
Depreciation and amortization | 158 | 147 |
Amortization of deferred financing costs and debt discount | 66 | 115 |
Change in fair value of liability instruments | 0 | (1) |
Stock-based compensation expense | 140 | 180 |
Amortization of operating lease right-of-use assets | 29 | 25 |
Loss on disposal of property and equipment | 2 | 0 |
Increases (decreases) in cash caused by changes in operating assets and liabilities: |  |  |
Other current assets | 2,791 | 459 |
Accounts payable and accrued expenses | (3,639) | (650) |
Change in operating lease liabilities | (29) | (35) |
Deferred revenue | (506) | 0 |
Net cash used in operating activities | (5,793) | (3,876) |
Cash flows used in investing activities: |  |  |
Purchases of property and equipment | (97) | (210) |
Purchase of intangible assets | 0 | (117) |
In process research and development acquired | 0 | (250) |
Net cash used in investing activities | (97) | (577) |
Cash flows from financing activities: |  |  |
Principal payments of term loan obligation | (402) | (402) |
Proceeds from sale of common stock, net | 895 | 7,694 |
Net cash provided by financing activities | 493 | 7,292 |
Net (decrease) increase in cash and cash equivalents | (5,397) | 2,839 |
Cash and cash equivalents at beginning of period | 18,120 | 18,400 | $ 18,400
Cash and cash equivalents at end of period | 12,723 | 21,239 | $ 18,120
Cash paid during period for: |  |  |
Interest | 73 | 87 |
Supplemental schedule of non-cash investing and financing activities: |  |  |
Unpaid offering cost | 25 | 171 |
Right-of-use assets obtained in exchange for operating lease liability | $ 51 | $ 0 |

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