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Description of Business and Financial Condition (Details) - USD ($) $ / shares in Units, $ in Thousands |  |  |  |  | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | --- | --- | ---
Mar. 10, 2024 | Mar. 10, 2023 | Jan. 03, 2023 | Dec. 23, 2022 | Sep. 30, 2024 | Jun. 30, 2024 | Mar. 31, 2024 | Sep. 30, 2023 | Jun. 30, 2023 | Mar. 31, 2023 | Sep. 30, 2024 | Sep. 30, 2023 | Dec. 31, 2023
Description of Business and Financial Condition |  |  |  |  |  |  |  |  |  |  |  |  |
Net loss |  |  |  |  | $ 9,937 | $ 7,041 | $ 9,151 | $ 6,749 | $ 4,726 | $ 6,172 | $ 26,129 | $ 17,647 | $ 25,788
Cash and cash equivalents |  |  |  |  | 22,011 |  |  |  |  |  | 22,011 |  | 29,922
Accumulated deficit |  |  |  |  | $ 167,318 |  |  |  |  |  | 167,318 |  | $ 141,189
Follow-on Public Offering |  |  |  |  |  |  |  |  |  |  |  |  |
Description of Business and Financial Condition |  |  |  |  |  |  |  |  |  |  |  |  |
Shares issued (in shares) | 6,571,428 |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from issuance of common stock |  |  |  |  |  |  |  |  |  |  | 11,896 |  |
Offering price per share (in dollars per share) | $ 1.75 |  |  |  |  |  |  |  |  |  |  |  |
Gross proceeds | $ 13,225 |  |  |  |  |  |  |  |  |  |  |  |
Net proceeds | $ 11,896 |  |  |  |  |  |  |  |  |  |  |  |
Over-Allotment Option |  |  |  |  |  |  |  |  |  |  |  |  |
Description of Business and Financial Condition |  |  |  |  |  |  |  |  |  |  |  |  |
Offering price per share (in dollars per share) | $ 1.75 |  |  |  |  |  |  |  |  |  |  |  |
Underwriters option to purchase additional shares (in shares) | 985,714 |  |  |  |  |  |  |  |  |  |  |  |
At The Market Offering |  |  |  |  |  |  |  |  |  |  |  |  |
Description of Business and Financial Condition |  |  |  |  |  |  |  |  |  |  |  |  |
Aggregate offering price |  |  |  | $ 200,000 |  |  |  |  |  |  |  |  |
Proceeds from issuance of common stock |  |  |  |  |  |  |  |  |  |  | 878 | 2,509 |
Amount available to draw under purchase agreement |  |  |  |  |  |  |  |  |  |  | $ 33,809 |  |
Equity Line Financing |  |  |  |  |  |  |  |  |  |  |  |  |
Description of Business and Financial Condition |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from issuance of common stock |  |  |  |  |  |  |  |  |  |  |  | $ 205 |
Cantor Fitzgerald & Co. and B. Riley Securities, Inc. | At The Market Offering |  |  |  |  |  |  |  |  |  |  |  |  |
Description of Business and Financial Condition |  |  |  |  |  |  |  |  |  |  |  |  |
Maximum value of stock to be issued under agreement |  |  | $ 40,000 | $ 40,000 |  |  |  |  |  |  |  |  |
Shares issued (in shares) |  |  |  |  |  |  |  |  |  |  | 864,404 |  |
Proceeds from issuance of common stock |  |  |  |  |  |  |  |  |  |  | $ 905 |  |
Lincoln Park | Equity Line Financing |  |  |  |  |  |  |  |  |  |  |  |  |
Description of Business and Financial Condition |  |  |  |  |  |  |  |  |  |  |  |  |
Maximum value of stock to be issued under agreement |  | $ 35,000 |  |  |  |  |  |  |  |  |  |  |
Shares issued (in shares) |  | 189,856 |  |  |  |  |  |  |  |  |  |  |
Term of agreement |  | 36 months |  |  |  |  |  |  |  |  |  |  |
Amount available to draw under purchase agreement |  |  |  |  |  |  |  |  |  |  | $ 34,795 |  |

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