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Nature of Business (Details) $ / shares in Units, $ in Thousands |  |  | 3 Months Ended | 6 Months Ended | 17 Months Ended | 19 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Jul. 28, 2023 USD ($) | Jul. 24, 2020 USD ($) | Jun. 30, 2024 USD ($) $ / shares | Jun. 30, 2023 USD ($) | Jun. 30, 2024 USD ($) $ / shares | Jun. 30, 2023 USD ($) | Dec. 31, 2021 USD ($) | Jul. 31, 2023 USD ($) | Dec. 31, 2023 $ / shares | Mar. 31, 2023 USD ($) $ / shares shares | Nov. 15, 2019 Employee
Nature of Business |  |  |  |  |  |  |  |  |  |  |
Number of employees | Employee |  |  |  |  |  |  |  |  |  |  | 0
Common stock issued or sold under the ATM Offering |  |  |  |  |  |  | $ 3,353,059 | $ 0 |  |  |
Issuance of common stock |  |  |  | $ 1,953 |  |  |  |  |  |  |
Cash commission of gross proceeds of sales of common stock, percentage |  | 3.00% |  |  |  |  |  |  |  |  |
Proceeds from stock purchase agreement |  |  |  |  | $ 0 | $ 5,000 |  |  |  |  |
Equity investment in cash |  |  |  |  |  |  |  |  |  | $ 5,000 |
Cash consideration transferrred | $ 8,000 |  |  |  |  |  |  |  |  |  |
Operating expenses | $ 2,400 |  | $ 1,384 | $ 1,865 | $ 3,002 | $ 5,140 |  |  |  |  |
Preferred stock, par value (in dollars per share) | $ / shares |  |  | $ 0 |  | $ 0 |  |  |  | $ 0 |  |
Series A Convertible Preferred Stock |  |  |  |  |  |  |  |  |  |  |
Nature of Business |  |  |  |  |  |  |  |  |  |  |
Preferred stock, shares issued | shares |  |  |  |  |  |  |  |  |  | 351,037 |
Preferred stock, par value (in dollars per share) | $ / shares |  |  |  |  |  |  |  |  |  | $ 8.68 |
Common Stock |  |  |  |  |  |  |  |  |  |  |
Nature of Business |  |  |  |  |  |  |  |  |  |  |
Common stock shares issued | shares |  |  |  |  |  |  |  |  |  | 225,000 |
ATM Offering | Jefferies LLC |  |  |  |  |  |  |  |  |  |  |
Nature of Business |  |  |  |  |  |  |  |  |  |  |
Proceeds from stock purchase agreement |  |  |  |  |  |  | $ 12,500 |  |  |  |
ATM Offering | Maximum | Jefferies LLC |  |  |  |  |  |  |  |  |  |  |
Nature of Business |  |  |  |  |  |  |  |  |  |  |
Issuance of common stock |  | $ 50,000 |  |  |  |  |  |  |  |  |
Cyclerion Securities Corporation |  |  |  |  |  |  |  |  |  |  |
Nature of Business |  |  |  |  |  |  |  |  |  |  |
Commercialization milestone payments |  |  |  |  | $ 585,000 |  |  |  |  |  |
Tisento Therapeutics Holdings Inc |  |  |  |  |  |  |  |  |  |  |
Nature of Business |  |  |  |  |  |  |  |  |  |  |
Outstanding equity securities | 10.00% |  |  |  |  |  |  |  |  |  |

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