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v3.26.1

Variable Interest Entities (Additional Information) (Details) - USD ($) |  |  | 3 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | --- | ---
Dec. 05, 2025 | Apr. 17, 2025 | Mar. 31, 2026 | Mar. 02, 2026 | Dec. 31, 2025 | Sep. 30, 2025 | Jun. 18, 2024
Variable Interest Entity [Line Items] |  |  |  |  |  |  |
Preferred Stock, Par or Stated Value Per Share |  |  | $ 0.0001 |  | $ 0.0001 |  |
Common stock, shares issued |  |  | 8,491,267 |  | 7,033,004 |  | 3,250,000
Common stock, par value |  |  | $ 0.0001 | $ 0.68 | $ 0.0001 |  |
Ownership Interest Rate |  | 60.00% |  |  |  |  |
Additional paid-in capital |  |  | $ 799,301,000 |  | $ 796,721,000 |  |
Cash and cash equivalents |  |  | 3,351,000 |  | 4,955,000 |  |
Property and equipment, net |  |  | 13,379,000 |  | $ 13,599,000 |  |
VIE [Member] |  |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |  |
Equity Method Investment, Ownership Percentage | 32.60% | 60.00% |  |  |  |  |
Ownership Equity Interest Rate | 32.60% | 60.00% |  |  |  |  |
Vivasor [Member] |  |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |  |
Preferred Stock, Shares Issued | 6,101,468 |  |  |  |  |  |
Net income for Scilex Bio attributable to the noncontrolling interest |  |  | 1,500,000 |  |  |  |
Cash and cash equivalents |  |  | 2,900,000 |  |  |  |
Property and equipment, net |  |  | 12,600,000 |  |  |  |
Accounts Payable |  |  | 21,200,000 |  |  |  |
Accrued Expenses |  |  | 20,000,000 |  |  |  |
NeuroBioGen Company [Member] |  |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |  |
Aggregate amount payable under license agreements |  |  | 4,800,000,000 |  |  |  |
EAR SPV [Member] | Vivasor [Member] |  |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |  |
Preferred Stock, Par or Stated Value Per Share | $ 0.00001 |  |  |  |  |  |
Payments to Acquire Businesses, Gross | $ 9,000 |  |  |  |  |  |
Scilex Bio JV [Member] |  |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |  |
Common stock, shares issued |  | 5,000,000 |  |  |  |  |
Ownership Interest Rate |  | 40.00% |  |  |  |  |
Historical carrying value of semnur shares |  | $ 0 |  |  |  |  |
Percentage of estimated fair value expensed as in-process research and development |  | 40.00% |  |  |  |  |
Estimated fair value expensed as in-process research and development net |  | $ 9,400,000 |  |  |  |  |
In process research and development amount of estimated fair value |  | 4,900,000 |  |  |  |  |
Initial upfront payment due under the licensing arrangement recognised as current liability |  | 1,100,000 |  |  |  |  |
Additional paid-in capital as capital contribution |  | $ 1,800,000 |  |  |  |  |
Net income for Scilex Bio attributable to the noncontrolling interest |  |  | 22,400 |  |  |  |
Aggregate amount payable under license agreements |  |  | 6,500,000,000,000 |  |  |  |
Upfront fee payable under license agreement |  |  | 1,500,000,000 |  |  |  |
Upfront fee payable under license agreement contingent upon the achievement of specified development, regulatory, and commercial milestone |  |  | $ 68,500,000,000 |  |  |  |
Percentage of royalties on sales payable until expiration of licensed patent |  |  | 5.00% |  |  |  |
Aggregate amount payable under license agreements capped amount |  |  | $ 6,500,000,000,000 |  |  |  |
Upfront fee payable first tranche. |  |  | 1,500,000,000 |  |  |  |
Accounts Payable |  |  | 100 |  |  |  |
Accrued Expenses |  |  | 1,100,000 |  |  |  |
Scilex Bio JV [Member] | NeuroBioGen Company [Member] |  |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |  |
Upfront fee payable under license agreement |  |  | 1,100,000 |  |  |  |
Upfront fee payable under license agreement contingent upon the achievement of specified development, regulatory, and commercial milestone |  |  | 50,700,000 |  |  |  |
Aggregate amount payable under license agreements capped amount |  |  | 4,800,000,000 |  |  |  |
Upfront fee payable first tranche. |  |  | 1,100,000 |  |  |  |
Scilex Bio JV [Member] | Semnur Merger Agreement And Sponsor Interest Purchase Agreement [Member] |  |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |  |
Common stock, par value |  | $ 0.00001 |  |  |  |  |
Semnur [Member] |  |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |  |
Net income for Scilex Bio attributable to the noncontrolling interest |  |  | 900,000 |  |  |  |
Cash and cash equivalents |  |  | 100,000 |  |  |  |
Property and equipment, net |  |  | 700,000 |  |  |  |
Accounts Payable |  |  | 6,400,000 |  |  |  |
Accrued Expenses |  |  | $ 1,200,000 |  |  |  |
Notes Payable |  |  |  |  |  | $ 800,000 |

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