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Revenue, Remaining Performance Obligation, Variable Consideration, Net Sales Threshold

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Revenue, Remaining Performance Obligation, Variable Consideration, Percent Of Non-Royalty Sublicense Income

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Royalty Agreement, Variable Consideration, Percent Of Non-Royalty Sublicensing Payments

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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

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 808
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-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479402/808-10-50-1

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 45
-Paragraph 25
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-Topic 230
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-25

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LICENSE AND OTHER AGREEMENTS - Narrative (Details) $ in Thousands		3 Months Ended
	Jul. 01, 2025 USD ($)	Mar. 31, 2026 USD ($) patent	Nov. 06, 2025
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Payments for royalties		$ 1,513
Ligand \| Ligand Assignment Agreement Amendment
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Assignment agreement, percentage of milestone payments payable			75.00%
Assignment agreement, percentage of other amounts received payable			50.00%
UNC License Agreement, U.S. Patents
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Number of patents \| patent		12
Original UNC License Agreement, U.S. Patents
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Number of patents \| patent		2
U.S. Patents Covering ZELSUVMI
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Number of patents \| patent		14
Finite-lived intangible assets, term extension		1280 days
XEPI \| Convertible Notes \| Convertible Debt
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Consideration to investors, percent royalty on net sales			5.00%
ZELSUVMI \| Convertible Notes \| Convertible Debt
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Percentage of milestone payment retained by company			50.00%
ZELSUVMI Royalty Agreement \| Ligand \| Ligand Royalty Agreement
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Income received through royalty		30.00%
Royalty agreement, prior notice period for terminate		30 days
Development rights, period		1 year
ZELSUVMI Royalty Agreement \| Ligand \| Ligand Royalty Agreement \| Prior to the Expiration of Initial Royalty Term
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Royalty agreement, percent of sales		13.00%
ZELSUVMI Royalty Agreement \| Ligand \| Ligand Royalty Agreement \| After the Expiration of Initial Royalty Term
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Royalty agreement, percent of sales		10.40%
ZELSUVMI Royalty Agreement \| Ligand \| Ligand Royalty Agreement \| First Commercial Sale
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Royalty agreement, milestone achieved		$ 5,000
ZELSUVMI Royalty Agreement \| Ligand \| Ligand Royalty Agreement \| Occurrence Of Obtaining $35,000 Threshold in Net Sales For Four Consecutive Quarters
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Royalty agreement, milestone achieved		5,000
Proceeds from royalties, obtaining threshold		35,000
ZELSUVMI Royalty Agreement \| ZELSUVMI Royalty Agreement \| ZELSUVMI Royalty Agreement
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Royalty agreement, purchase price	$ 1
ZELSUVMI Royalty Agreement \| ZELSUVMI Royalty Agreement \| ZELSUVMI Royalty Agreement \| Prior to the Expiration of Initial Royalty Term
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Royalty agreement, percent of sales	1.50%
Royalty agreement, percent of non-royalty sublicensing payments	3.46%
ZELSUVMI Royalty Agreement \| ZELSUVMI Royalty Agreement \| ZELSUVMI Royalty Agreement \| After the Expiration of Initial Royalty Term
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Royalty agreement, percent of sales	1.20%
Royalty agreement, percent of non-royalty sublicensing payments	3.46%
UNC License \| UNC \| UNC License Agreement
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
License agreement, required regulatory and commercial milestone payments		$ 250
License agreement, material breach uncured, period		90 days
License agreement, written notice for bankruptcy or insolvency events, period		30 days
Channel Products Royalty Agreement \| Ligand \| Channel Products Royalty Agreement \| Prior to the Expiration of Initial Royalty Term
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Royalty agreement, percent of sales	1.70%
Royalty agreement, percent of non-royalty sublicensing payments	3.92%
Channel Products Royalty Agreement \| Ligand \| Channel Products Royalty Agreement \| After the Expiration of Initial Royalty Term
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Royalty agreement, percent of sales	1.36%
Royalty agreement, percent of non-royalty sublicensing payments	3.92%
Channel Products Royalty Agreement \| ZELSUVMI Royalty Agreement \| Channel Products Royalty Agreement \| Prior to the Expiration of Initial Royalty Term
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Royalty agreement, percent of sales	5.30%
Royalty agreement, percent of non-royalty sublicensing payments	12.23%
Channel Products Royalty Agreement \| ZELSUVMI Royalty Agreement \| Channel Products Royalty Agreement \| After the Expiration of Initial Royalty Term
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Royalty agreement, percent of sales	4.24%
Royalty agreement, percent of non-royalty sublicensing payments	12.23%
Channel Products Royalty Agreement \| Channel Products Royalty Agreement \| Channel Products Royalty Agreement
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Royalty agreement, purchase price	$ 1
Channel Products Royalty Agreement \| Maidson \| Channel Products Royalty Agreement \| Prior to the Expiration of Initial Royalty Term
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Royalty agreement, percent of sales	1.50%
Royalty agreement, percent of non-royalty sublicensing payments	3.46%
Channel Products Royalty Agreement \| Maidson \| Channel Products Royalty Agreement \| After the Expiration of Initial Royalty Term
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Royalty agreement, percent of sales	1.20%
Royalty agreement, percent of non-royalty sublicensing payments	3.46%