Amount of liability recognized from contingent consideration in asset acquisition.

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-Topic 805
-SubTopic 50
-Name Accounting Standards Codification
-Section 15
-Paragraph 3
-Publisher FASB
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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 cash outflow to acquire asset without physical form usually arising from contractual or other legal rights, excluding goodwill.

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-Topic 230
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Represents the maximum amount of development and regulatory milestone payments based on respective thresholds of net sales of products (developed from the licensed compound) (the "Products") in asset acquisition.

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Represents the maximum amount of sales milestone payments based on respective thresholds of net sales of products (developed from the licensed compound) (the "Products") in asset acquisition.

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Represents the number of development and regulatory milestone payments in asset acquisition.

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The amount of contingent payments due.

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The expiry term from the date of regulatory approval milestone.

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The fair value of call right at grant date.

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The fully diluted shares exceeded the minimum limit for milestone payment.

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The issued call right to purchase, percentage of fully-diluted equity.

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The minimum fully diluted shares outstanding for milestone payment.

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The minimum net proceeds from sale of assets for one-time milestone payment.

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The minimum value of closing of an issuance of equity for milestone payment.

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The amount of one-time milestone payment.

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The one-time milestone payment on achievement of conditions.

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The percentage of annual increase in payment.

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The percentage of royalty fee.

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The period for payment of milestone payment.

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The value of issued call right.

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License Agreements - 2023 Lilly License (Details)			3 Months Ended	9 Months Ended		12 Months Ended
License Agreements - 2023 Lilly License (Details)	Apr. 26, 2023 USD ($) payment shares	Dec. 08, 2022 USD ($) payment	Jun. 30, 2024 USD ($)	Sep. 30, 2024 USD ($)	Sep. 30, 2023 USD ($)	Dec. 31, 2023 USD ($)	Dec. 30, 2023 shares
License Agreements
Value of issued call right					$ 1,541,000
ZB17 LLC
License Agreements
Amount payable upon receipt of certain know-how, data, information and materials				$ 5,000,000.0
License agreement with Lilly
License Agreements
Number of development and regulatory milestone payments \| payment		10
Maximum amount of development and regulatory milestone payments		$ 155,000,000.0
Maximum amount of sales milestone payments		$ 440,000,000.0
Contingent payments due				0
License agreement with Lilly \| BAFFX17, Ltd
License Agreements
Number of development and regulatory milestone payments \| payment	4
Maximum amount of development and regulatory milestone payments	$ 155,000,000.0
Maximum amount of sales milestone payments	$ 440,000,000
Period for payment of milestone payment	12 years
Percentage of royalty fee	3.00%
License agreement with Lilly \| Accounts Payable and Accrued Liabilities \| BAFFX17, Ltd
License Agreements
Minimum net proceeds from sale of assets for one-time milestone payment	$ 100,000,000.0
License agreement with Lilly \| Accounts Payable and Accrued Liabilities \| BAFFX17, Ltd
License Agreements
One-time milestone payment on achievement of conditions	5,000,000.0			5,000,000.0		$ 5,000,000.0
Minimum value of closing of an issuance of equity for milestone payment	$ 100,000,000.0
Minimum fully diluted shares outstanding for milestone payment \| shares	52,500,000
Fully diluted shares exceeded the minimum limit for milestone payment \| shares							52,500,000
License agreement with Lilly \| Stone Peach Properties, LLC
License Agreements
One-time milestone payment on achievement of conditions	$ 25,000,000
Percentage of royalty fee	2.00%
One-time milestone payment	$ 4,500,000
Contingent payments due				0
License agreement with Lilly \| Stone Peach Properties, LLC \| ZB17 LLC
License Agreements
Issued call right to purchase, percentage of fully-diluted equity	4.99%
Value of issued call right	$ 1,000,000.0
Expiry term from the date of regulatory approval milestone	1 year
Fair value of call right at grant date				$ 1,500,000		$ 1,500,000
Annual amount of payment	$ 600,000
Percentage of annual increase in payment	10.00%
License agreement with Lilly \| Stone Peach Properties, LLC \| Research and development \| ZB17 LLC
License Agreements
Annual amount of payment			$ 700,000