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

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 505
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481112/505-10-50-3

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 235
-SubTopic 10
-Name Accounting Standards Codification
-Section S50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480738/235-10-S50-1

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 235
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08(h)(4))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480678/235-10-S99-1

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- Definition

Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 505
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481112/505-10-50-3

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- Definition

Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, expected to be settled within one year or normal operating cycle, if longer. Includes assets not subject to a master netting arrangement and not elected to be offset.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 210
-SubTopic 20
-Name Accounting Standards Codification
-Section 55
-Paragraph 10
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483444/210-20-55-10

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Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, expected to be settled after one year or the normal operating cycle, if longer. Includes assets not subject to a master netting arrangement and not elected to be offset.

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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.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 5A
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480434/815-10-50-5A

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 505
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 18
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481112/505-10-50-18

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 815
-SubTopic 20
-Name Accounting Standards Codification
-Section 25
-Paragraph 6A
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480682/815-20-25-6A

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- Definition

Value of input used to measure outstanding warrant and right embodying unconditional obligation requiring redemption by transferring asset at specified or determinable date or upon event certain to occur.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (bbb)(2)(i)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (bbb)(2)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (bbb)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

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Period between issuance and expiration of outstanding warrant and right embodying unconditional obligation requiring redemption by transferring asset at specified or determinable date or upon event certain to occur, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Basis of Presentation and Summary of Significant Accounting Policies - Schedule of Derivative Assets (Details) $ / shares in Units, $ in Thousands	Sep. 30, 2026 USD ($) $ / shares	Dec. 31, 2025 USD ($) $ / shares	Dec. 22, 2025 $ / shares	May 31, 2024 $ / shares shares
Derivative [Line Items]
Total current derivative assets	$ 1,770	$ 0
Total noncurrent derivative assets	29,203	15,632
LeonaBio Warrants
Derivative [Line Items]
Total noncurrent derivative assets	$ 0	$ 1,461
Agenus Bot/Bal
Derivative [Line Items]
Warrants term (in years)				5 years
Securities called by warrants (in shares) \| shares				867,052
Exercise price (in USD per share) \| $ / shares			$ 7.50	$ 17.30
Agenus Bot/Bal \| Measurement Input, Expected Term
Derivative [Line Items]
Warrant measurement input (as a percent)	2.7	3.4
Agenus Bot/Bal \| Option Volatility
Derivative [Line Items]
Warrant measurement input (as a percent)	1.11	0.97
Agenus Bot/Bal \| Risk Free Interest Rate
Derivative [Line Items]
Warrant measurement input (as a percent)	0.049	0.036
Agenus Bot/Bal \| Measurement Input, Share Price
Derivative [Line Items]
Warrant measurement input (as a percent) \| $ / shares	9.93	3.14
Agenus PIPE Series A Warrant
Derivative [Line Items]
Total current derivative assets	$ 1,591	$ 0
LeonaBio Warrants
Derivative [Line Items]
Total current derivative assets	179	0
Orchestra Warrant
Derivative [Line Items]
Total noncurrent derivative assets	10,323	3,799
Agenus Warrant \| Agenus Bot/Bal
Derivative [Line Items]
Total noncurrent derivative assets	6,087	1,322
Castle Creek Warrants
Derivative [Line Items]
Total noncurrent derivative assets	5,650	4,989
AvenCell embedded derivative
Derivative [Line Items]
Total noncurrent derivative assets	2,638	0
Agenus PIPE Series B Warrant
Derivative [Line Items]
Total noncurrent derivative assets	2,389	0
Pelthos Conversion Option
Derivative [Line Items]
Total noncurrent derivative assets	1,535	3,432
Arecor Warrant
Derivative [Line Items]
Total noncurrent derivative assets	$ 581	$ 629