Increase in number of shares available for future issuance under the share-based payment arrangement.

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Exercise price per share or per unit of warrants or rights outstanding.

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Aggregate number of common shares reserved for future issuance.

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Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

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Percentage of vesting of award under share-based payment arrangement.

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Number of shares issued during the period as a result of an employee stock purchase plan.

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Share-based compensation - Plans (Details) - $ / shares			6 Months Ended
Share-based compensation - Plans (Details) - $ / shares	Jan. 01, 2024	Oct. 02, 2023	Jun. 30, 2024	Jun. 30, 2023	Oct. 02, 2024	Dec. 31, 2023
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares available for future issuance			14,554,376			13,202,327
Exercise price			$ 10.00
Weighted average grant date fair value			$ 13.49	$ 3.67
Morphimmune Inc
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise price		$ 1.29
Dr. Clay Siegall \| Morphimmune Inc \| One-year anniversary
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of vesting		25.00%
Dr. Clay Siegall \| Morphimmune Inc \| Over next 36 months
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period		36 months
Percentage of vesting		75.00%
2020 Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares available for grant			4,180,424
Increase in shares available for future issuance	1,730,071
MorphImmune Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares available for grant					929,702
Employee Stock Purchase Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares available for grant			906,251			473,733
Increase in shares available for future issuance	432,518		906,251
Stock issued during period			0