Nature of Operations - Additional information (Details)
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3 Months Ended |
9 Months Ended |
12 Months Ended |
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Sep. 23, 2025
USD ($)
shares
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Sep. 22, 2025
USD ($)
shares
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Aug. 20, 2025
USD ($)
shares
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Jul. 22, 2025
shares
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Jun. 12, 2025
shares
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Aug. 30, 2024
$ / shares
shares
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Sep. 30, 2025
USD ($)
$ / shares
shares
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Sep. 30, 2024
USD ($)
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Sep. 30, 2025
USD ($)
$ / shares
shares
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Sep. 30, 2024
USD ($)
shares
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Dec. 31, 2024
USD ($)
$ / shares
shares
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Dec. 31, 2023
USD ($)
$ / shares
shares
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| Organization and Business Operation [Line Items] |
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| Shares Authorized |
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24,500,000
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| Common Stock, Shares Authorized |
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200,000,000
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740,000,000
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740,000,000
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200,000,000
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200,000,000
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| Common Stock, Par or Stated Value Per Share | $ / shares |
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$ 0.00001
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$ 0.0001
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$ 0.0001
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$ 0.0001
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$ 0.0001
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| Preferred Stock, Shares Authorized |
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45,000,000
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45,000,000
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45,000,000
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45,000,000
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0
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| Preferred Stock, Par or Stated Value Per Share | $ / shares |
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$ 0.00001
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$ 0.0001
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$ 0.0001
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$ 0.0001
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$ 0.0001
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| Stockholders' Equity Note, Stock Split |
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effect a 160,000-for-1 forward stock split of all outstanding shares of the Company’s common stock (the “Forward Split”); and (c) establish the authorization for issuance of shares of preferred stock designation in series. The Forward Stock Split proportionally increased the number of all issued and outstanding shares of the Company’s common stock from 1,000 to 160,000,000 and did not change the par value per share.
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effected a 160,000-for-1 forward stock split of all outstanding shares of Common Stock which proportionally increased the number of all issued and outstanding shares of Common Stock from 1,000 to 160,000,000 and did not change the par value per share.
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| Repayments of Related Party Debt | $ |
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$ 10,900,000
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$ 1,700,000
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| Share-Based Payment Arrangement, Noncash Expense | $ |
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700,000
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900,000
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| Stock Issued During Period, Shares, Purchase of Assets |
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50,000,000
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| Share Price | $ / shares |
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$ 0.99
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| Common Stock, Shares Subscribed but Unissued |
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300,000
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300,000
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| Class of Warrant or Right, Outstanding |
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8,760,000
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8,760,000
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| Exercise price, per share (in Dollars per share) | $ / shares |
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$ 11.5
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$ 11.5
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| Warrants and Rights Outstanding, Term |
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5 years
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5 years
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| Cash and Cash Equivalents, at Carrying Value | $ |
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$ 85,000
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$ 85,000
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12,000
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12,000
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| Retained Earnings (Accumulated Deficit) | $ |
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(269,642,000)
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(269,642,000)
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(115,384,000)
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(110,694,000)
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| Operating Income (Loss) | $ |
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$ (152,594,000)
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$ (1,298,000)
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(154,258,000)
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$ (3,914,000)
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(4,690,000)
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(3,261,000)
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| Negative cash flows from operations | $ |
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$ 2,262,000
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$ 3,484,000
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$ 4,891,000
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$ 1,677,000
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| Consulting Services Agreement with JW Investment Management Company Limited [Member] |
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| Organization and Business Operation [Line Items] |
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| Percentage Of Cash Financing Service Fee |
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7.00%
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7.00%
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| Merger Agreement [Member] |
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| Organization and Business Operation [Line Items] |
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| Business Acquisition, Equity Interest Issued or Issuable, Number of Shares |
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229,740,978
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| Common Stock Exchange Ratio |
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1.25
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1.25
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| Merger Agreement [Member] | Consultants [Member] |
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| Organization and Business Operation [Line Items] |
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| Business Acquisition, Equity Interest Issued or Issuable, Number of Shares |
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26,500,000
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| Merger Agreement [Member] | Underwriters [Member] |
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| Organization and Business Operation [Line Items] |
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| Business Acquisition, Equity Interest Issued or Issuable, Number of Shares |
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100,000
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| Scilex Holding Company [Member] |
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| Organization and Business Operation [Line Items] |
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| Common Stock, Shares Held in Employee Trust, Shares |
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500,000
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| Conversion of Stock, Shares Converted |
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500,000
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| Scilex Holding Company [Member] | Debt Exchange Agreement [Member] |
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| Organization and Business Operation [Line Items] |
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| Debt Conversion, Original Debt, Amount | $ |
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$ 54,200,000
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| Scilex Holding Company [Member] | Legacy Semnur Stock Options [Member] |
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| Organization and Business Operation [Line Items] |
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| Conversion of Stock, Shares Converted |
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400,000,000
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400,000,000
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| Scilex Holding Company [Member] | Employee Stock Option [Member] |
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| Organization and Business Operation [Line Items] |
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| Conversion of Stock, Shares Issued |
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50,000,000
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50,000,000
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| Sponsor Member |
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| Organization and Business Operation [Line Items] |
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| Debt Conversion, Original Debt, Amount | $ |
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$ 100,000
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| Debt Conversion, Converted Instrument, Shares Issued |
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12,488
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| Common Stock, Shares Held in Employee Trust, Shares |
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2,072,500
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| Legacy Semnur Series A preferred stock [Member] | Scilex Holding Company [Member] | Debt Exchange Agreement [Member] |
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| Organization and Business Operation [Line Items] |
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| Debt Conversion, Converted Instrument, Shares Issued |
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5,423,606
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| Series A Preferred Stock [Member] | Scilex Holding Company [Member] | Debt Exchange Agreement [Member] |
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| Organization and Business Operation [Line Items] |
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| Debt Conversion, Converted Instrument, Shares Issued |
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5,423,606
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| Common Class B [Member] |
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| Organization and Business Operation [Line Items] |
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| Stock Issued During Period, Shares, Purchase of Assets |
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500,000
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| Share Price | $ / shares |
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$ 0.0001
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$ 0.0001
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| Payments for (Proceeds from) Previous Acquisition | $ |
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$ 2,000,000
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| Sale of Stock, Price Per Share | $ / shares |
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0.0001
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$ 0.0001
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| Common Stock [Member] |
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| Organization and Business Operation [Line Items] |
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| Common Stock, Par or Stated Value Per Share | $ / shares |
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$ 0.0001
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$ 0.0001
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| Common Stock [Member] | PIPE Securities Purchase Agreement [Member] |
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| Organization and Business Operation [Line Items] |
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| Sale of Stock, Number of Shares Issued in Transaction |
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1,250,000
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| Sale of Stock, Consideration Received Per Transaction | $ |
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$ 16,000
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| Sale of Stock, Consideration Received on Transaction | $ |
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$ 20,000,000
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| Common Stock [Member] | Consulting Services Agreement with JW Investment Management Company Limited [Member] |
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| Organization and Business Operation [Line Items] |
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| Sale of Stock, Number of Shares Issued in Transaction |
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8,000,000
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10,000,000
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10,000,000
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| Common Stock [Member] | Bitcoin Securities Purchase Agreement [Member] |
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| Organization and Business Operation [Line Items] |
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| Sale of Stock, Number of Shares Issued in Transaction |
6,250,000
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| Sale of Stock, Consideration Received Per Transaction | $ |
$ 16,000
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| Sale of Stock, Consideration Received on Transaction | $ |
$ 100,000,000
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| Common Stock [Member] | Scilex Holding Company [Member] |
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| Organization and Business Operation [Line Items] |
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| Conversion of Stock, Shares Issued |
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200,000,000
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200,000,000
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| Common Stock [Member] | Scilex Holding Company [Member] | Debt Exchange Agreement [Member] |
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| Organization and Business Operation [Line Items] |
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| Debt Conversion, Converted Instrument, Shares Issued |
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542,361
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| Common Stock [Member] | Sponsor Member |
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| Organization and Business Operation [Line Items] |
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| Conversion of Stock, Shares Converted |
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2,072,500
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| Legacy Semnur Common Stock [Member] | Scilex Holding Company [Member] |
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| Organization and Business Operation [Line Items] |
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| Conversion of Stock, Shares Converted |
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160,000,000
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160,000,000
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