The percentage of net profits sharing.

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- Definition

The amount of potential milestone payment of common stock investment.

+ References

No definition available.

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- Definition

The amount of potential payment upon achievement of certain sales-based milestones.

+ References

No definition available.

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- Definition

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.

+ References

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- Definition

The cash inflow from the additional capital contribution to the entity.

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- Definition

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

+ References

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Collaboration and Licensing Agreements - Additional Information (Detail) - USD ($) $ in Thousands	1 Months Ended			3 Months Ended		9 Months Ended
	May 31, 2022	Oct. 31, 2020	May 31, 2018	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023	May 17, 2018
Collaboration and Licensing Agreements:
Net proceeds from sales of common stock under open market sales agreement							$ 1,117
Revenue from contract with customer				$ 2,556	$ 4,866	$ 5,682	17,964
License and milestone fees [Member]
Collaboration and Licensing Agreements:
Revenue from contract with customer					$ 910		$ 910
Vifor Fresenius Medical Care Renal Pharma Ltd Agreement No 2 [Member]
Collaboration and Licensing Agreements:
Percentage of net profit sharing			50.00%
CSL Vifor Maximum [Member] \| Vifor Fresenius Medical Care Renal Pharma Ltd Agreement No 1 [Member]
Collaboration and Licensing Agreements:
Potential sales-based milestone payments		$ 240,000
CSL Vifor [Member] \| Vifor Fresenius Medical Care Renal Pharma Ltd Agreement No 1 [Member]
Collaboration and Licensing Agreements:
Percentage of net profit sharing	40.00%
Affiliated Entity \| CSL Vifor [Member] \| Vifor Fresenius Medical Care Renal Pharma Ltd Agreement No 1 [Member]
Collaboration and Licensing Agreements:
Percentage of net profit sharing	60.00%
Affiliated Entity \| Vifor Fresenius Medical Care Renal Pharma Ltd. [Member] \| Maximum [Member] \| Regulatory and Commercial Milestones [Member]
Collaboration and Licensing Agreements:
Potential milestone payments								$ 440,000