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Stockholder's equity (Details) - At-The-Market - USD ($) $ / shares in Units, $ in Thousands | 3 Months Ended | 6 Months Ended | 32 Months Ended |
--- | --- | --- | --- | ---
Mar. 31, 2024 | Jun. 30, 2024 | Jun. 30, 2024 | Nov. 30, 2021
Subsidiary, Sale of Stock [Line Items] |  |  |  |
Issuance and sale of common stock | $ 14,089 |  |  |
Equity Distribution Agreement with Cowen and Company, LLC |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |
Sale of stock, number of shares issued in transaction (in shares) |  | 2,500,601 |  |
Sale of stock, consideration received on transaction |  | $ 14,100 |  |
Issuance of common stock, net (in shares) |  |  | 13,686,743 |
Price per share (in dollars per share) |  | $ 5.42 | $ 5.42 |
Issuance and sale of common stock |  |  | $ 71,900 |
Maximum | Equity Distribution Agreement with Cowen and Company, LLC |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |
Sale of stock, value authorized for sale |  |  |  | $ 200,000

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