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Liquidity and Going Concern (Additional Information) (Details) - USD ($) |  |  |  |  |  | 3 Months Ended |  |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Mar. 16, 2026 | Mar. 11, 2026 | Dec. 08, 2025 | Dec. 01, 2025 | Jun. 11, 2024 | Mar. 31, 2026 | Mar. 31, 2025 | Mar. 02, 2026 | Feb. 03, 2026 | Dec. 31, 2025 | Oct. 08, 2024 | Jun. 18, 2024 | Dec. 22, 2023
Liquidity and Going Concern [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Negative working capital |  |  |  |  |  | $ 459,800,000 |  |  |  |  |  |  |
Cash and cash equivalents |  |  |  |  |  | 3,351,000 |  |  |  | $ 4,955,000 |  |  |
Loss from operations |  |  |  |  |  | (32,169,000) | $ (27,898,000) |  |  |  |  |  |
Net cash used in operating activities |  |  |  |  |  | 1,100,000 |  |  |  |  |  |  |
Long Term Commitment Amount |  |  |  |  | $ 100,000,000 |  |  |  |  |  |  |  |
Commitment Amount Payable |  |  |  |  | $ 85,000,000 |  |  |  |  |  |  |  |
Long term Purchase Period |  |  |  |  | 70 days |  |  |  |  |  |  |  |
Company receives the Deposit |  |  |  |  | $ 85,000,000 |  |  |  |  |  |  |  |
Non-Refundable Deposit Amount |  |  |  |  | $ 10,000,000 |  |  |  |  |  |  |  |
Company Receives The Deposit Period |  |  |  |  | 60 days |  |  |  |  |  |  |  |
Accumulated deficit |  |  |  |  |  | $ (965,056,000) |  |  |  | $ (921,786,000) |  |  |
Prepayment costs |  | $ 100,000,000 |  |  |  |  |  |  |  |  |  |  |
Options per share fair value |  |  |  |  |  | $ 630 |  |  |  |  |  |  |
Offer and sell shares of Common Stock |  |  |  |  |  | 8,491,267 |  |  |  | 7,033,004 |  | 3,250,000 |
Ordinary shares issued |  |  |  |  |  | 8,491,267 |  |  |  | 7,033,004 |  | 3,250,000 |
Common stock, shares issued |  |  |  |  |  | 8,491,267 |  |  |  | 7,033,004 |  | 3,250,000 |
Common stock, par value |  |  |  |  |  | $ 0.0001 |  | $ 0.68 |  | $ 0.0001 |  |  |
Deposit Warrants [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Liquidity and Going Concern [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Deposit Warrant Exercise Price |  |  |  |  |  |  |  |  |  |  |  | $ 1.2 |
ATM Sales Agreement [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Liquidity and Going Concern [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Offer and sell shares of Common Stock |  |  |  |  |  | 0 | 0 |  |  |  |  |  |
Ordinary shares issued |  |  |  |  |  | 0 | 0 |  |  |  |  |  |
Common stock, shares issued |  |  |  |  |  | 0 | 0 |  |  |  |  |  |
Maximum [Member] | ATM Sales Agreement [Member] | Common Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Liquidity and Going Concern [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Common Stock Issuable Value |  |  |  |  |  |  |  |  |  |  |  |  | $ 170,000,000
Senior Secured Convertible Notes [Member] | Investor Agreement [Member] | Common Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Liquidity and Going Concern [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument Repurchased Face Amount |  |  |  |  |  |  |  |  |  |  | $ 22,500,000 |  |
Senior Secured Convertible Notes [Member] | Securities Purchase Agreement [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Liquidity and Going Concern [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt principal amount |  |  |  |  |  |  |  |  |  |  | $ 50,000,000 |  |
Conversion Price |  |  |  |  |  |  |  |  |  |  | $ 36.4 |  |
St James Loans [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Liquidity and Going Concern [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Principle amount of issued debt |  |  |  | $ 50,000,000 |  |  |  |  |  |  |  |  |
Scilex-St. James Loans [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Liquidity and Going Concern [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Shares issued, shares | 85,665,102 |  |  |  |  |  |  |  |  |  |  |  |
Negative working capital |  | 100,000,000 |  |  |  |  |  |  |  |  |  |  |
Offer and sell shares of Common Stock |  |  | 85,838,800 |  |  |  |  |  |  |  |  |  |
Ordinary shares issued |  |  | 85,838,800 |  |  |  |  |  |  |  |  |  |
Principle amount of issued debt |  |  | $ 50,000,000 |  |  |  |  |  |  |  |  |  |
Outstanding balance of revolving facility | $ 21,000 |  |  |  |  |  |  |  |  |  |  |  |
Common stock, shares issued |  |  | 85,838,800 |  |  |  |  |  |  |  |  |  |
Liquidated damages |  | $ 85,800 |  |  |  |  |  |  |  |  |  |  |
Scilex-St. James Loans [Member] | Tranche One |  |  |  |  |  |  |  |  |  |  |  |  |
Liquidity and Going Concern [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Options per share fair value |  |  |  |  |  |  |  |  | $ 85,665,102 |  |  |  |
Scilex-St. James Loans [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Liquidity and Going Concern [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Maximum borrowable amount |  |  | $ 100,000,000 |  |  |  |  |  |  |  |  |  |
Principal Balance [Member] | Oramed [Member] | Senior Secured Convertible Notes [Member] | Securities Purchase Agreement [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Liquidity and Going Concern [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Reduction of the principal balance |  |  |  |  |  |  |  |  |  |  | $ 22,500,000 |  |
Initial Closing [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Liquidity and Going Concern [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Company receives the Deposit |  |  |  |  | $ 15,000,000 |  |  |  |  |  |  |  |
Non-Refundable Deposit Amount |  |  |  |  | 85,000,000 |  |  |  |  |  |  |  |
Second Closing [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Liquidity and Going Concern [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Company receives the Deposit |  |  |  |  | $ 15,000,000 |  |  |  |  |  |  |  |

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