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Stock-based compensation - Summary of Option Activity (Details) - $ / shares | Mar. 31, 2025 | Dec. 31, 2024 | Mar. 31, 2024
--- | --- | --- | ---
Share-Based Payment Arrangement [Abstract] |  |  |
Outstanding and exercisable balance at beginning of period | 146,962 |  |
Balance at beginning of period | $ 10.45 |  |
Balance at beginning of period | 611,175 | 763,969 | 763,969
Balance at beginning of period | $ 10.5 | $ 10.5 | $ 10.5
Outstanding and exercisable balance at end of period | 146,962 | 146,962 |
Balance at end of period | $ 10.45 | $ 10.45 |
Balance at end of period | 611,175 | 611,175 | 763,969
Balance at end of period | $ 10.5 | $ 10.5 | $ 10.5

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- Definition Number of options outstanding, including both vested and non-vested options. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1)(i) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1)(ii) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1)(i) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1)(ii) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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