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v3.24.1

Liquidity (Details) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Accounting Policies [Abstract] |  |  |
Total cash and cash equivalents | $ 5,990 | $ 3,085 | $ 9,000
Short-term certificates of deposit | 500 |  |
Working capital | 5,498 |  |
Net loss | 4,384 | 21,941 |
Net cash used in operating activities | 2,993 | 5,934 |
Sale of property and equipment | 0 | 19 |
Proceeds from private placement, net of issuance costs | 5,364 | 0 |
Net proceeds from exercise of common stock warrants | $ 534 | $ 0 |

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