Stock-based compensation - Summary of Stock Options Activity (Details) - USD ($)	6 Months Ended	12 Months Ended
Jun. 30, 2025	Dec. 31, 2024
Share-Based Payment Arrangement [Abstract]
Outstanding at January 1, 2025, Options	2,228,658
Granted, Options	849,196
Exercised, Options	(17,557)
Forfeited, Options	(96,502)
Outstanding at June 30, 2025, Options	2,963,795	2,228,658
Exercisable at June 30, 2025, Options	1,471,943
Vested and expected to vest at June 30, 2025, Options	2,963,795
Outstanding at January 1, 2025, Weighted average exercise price	$ 5.08
Granted, Weighted average exercise price	6.06
Exercised, Weighted average exercise price	1.09
Forfeited, Weighted average exercise price	4.28
Outstanding at June 30, 2025, Weighted average exercise price	5.41	$ 5.08
Exercisable at June 30, 2025 Weighted average exercise price	4.65
Vested and expected to vest at June 30, 2025, Weighted average exercise price	$ 5.41
Outstanding, Weighted average remaining contractual term (years)	7 years 10 months 24 days	8 years 4 months 24 days
Exercisable at June 30, 2025, Weighted average remaining contractual term (years)	9 years
Vested and expected to vest at June 30, 2025, Weighted average remaining contractual term (years)	7 years 10 months 24 days
Outstanding at January 1, 2025, Aggregate intrinsic value	$ 2,564,043
Exercised, Aggregate intrinsic value	80,060
Outstanding at June 30, 2025, Aggregate intrinsic value	2,564,043
Exercisable at June 30, 2025 Aggregate intrinsic value	2,176,571
Vested and expected to vest at June 30, 2025, Aggregate intrinsic value	$ 2,564,043

No definition available.

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The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.

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Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.

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The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan.

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Gross number of share options (or share units) granted during the period.

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Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.

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Number of options outstanding, including both vested and non-vested options.

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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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Amount by which current fair value of underlying stock exceeds exercise price of fully vested and expected to vest options outstanding. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.

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Number of fully vested and expected to vest options outstanding that can be converted into shares under option plan. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.

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Weighted-average exercise price, at which grantee can acquire shares reserved for issuance, for fully vested and expected to vest options outstanding. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.

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Weighted average price at which option holders acquired shares when converting their stock options into shares.

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Weighted average price at which grantees could have acquired the underlying shares with respect to stock options that were terminated.

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Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

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Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable.

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Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Weighted average remaining contractual term for fully vested and expected to vest options outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.

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Number of share options (or share units) exercised during the current period.

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