Fair Value Hierarchy and NAV [Domain] Volatility [Member] Measurement Input, Option Volatility [Member] Estimated Term Remaining [Member] Measurement Input, Expected Term [Member] Fair value measurements inputs Warrants and Rights Outstanding, Measurement Input Measurement Input Type [Domain] Subsequent Events (Details) [Table] Chief Executive Officer [Member] Chief Executive Officer [Member] Promissory note payable Convertible Notes Payable, Current Title and Position [Domain] Subsequent Event Type [Axis] Subsequent Event Type [Domain] Subsequent Event [Member] Subsequent Events [Abstract] Title and Position [Axis] Subsequent Events [Line Items] Entity Address, Address Line Two Entity Address, Address Line Two City Area Code City Area Code Amendment Flag Amendment Flag Current Fiscal Year End Date Current Fiscal Year End Date Document Information [Line Items] Document Type Document Type Document Period End Date Document Period End Date Document Transition Report Document Transition Report Document Fiscal Period Focus Document Fiscal Period Focus Document Information [Table] Document Quarterly Report Document Quarterly Report Document Fiscal Year Focus Document Fiscal Year Focus Entity Address, Address Line One Entity Address, Address Line One Entity Address, City or Town Entity Address, City or Town Entity Address, State or Province Entity Address, State or Province Title of 12(b) Security Title of 12(b) Security Entity Interactive Data Current Entity Interactive Data Current Entity Small Business Entity Small Business Entity Shell Company Entity Shell Company Statement of Financial Position [Abstract] Current assets: Assets, Current [Abstract] Entity Current Reporting Status Entity Current Reporting Status Entity Filer Category Entity Filer Category Entity Emerging Growth Company Entity Emerging Growth Company Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding No Trading Symbol Flag No Trading Symbol Flag Cash Cash at beginning of period Cash at end of period Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Total assets Assets Accounts payable Accounts Payable, Current Total current liabilities Liabilities, Current Total liabilities Liabilities Preferred stock, $0.0001 par value; 1,000,000 shares authorized; none issued and outstanding Preferred Stock, Value, Issued Additional paid-in capital Additional Paid in Capital Preferred stock, shares authorized (in Shares) Preferred stock, shares authorized Preferred Stock, Shares Authorized Class of Stock Disclosures [Abstract] Private Placement Private Placement Text Block The entire disclosure for private placement. Related Party Transactions [Abstract] Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Stockholders’ Equity [Abstract] Stockholders’ deficit: Fair Value Measurements Fair Value Disclosures [Text Block] Basis of Presentation Basis of Accounting, Policy [Policy Text Block] Use of Estimates Use of Estimates, Policy [Policy Text Block] Marketable securities held in Trust Account Marketable Securities, Policy [Policy Text Block] Fair Value of Financial Instruments Fair Value of Financial Instruments, Policy [Policy Text Block] Schedule of Fair Value Hierarchy of the Valuation Inputs Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Private Placement [Member] Private Placement [Member] Class of Warrant or Right [Domain] Organization and Plan of Business Operations Nature of Operations [Text Block] Summary of Significant Accounting Policies [Abstract] Statement [Table] Common Stock Common Stock [Member] Common Stock [Member] Retained Earnings Retained Earnings [Member] Statement [Line Items] Balance (in Shares) Balance (in Shares) Shares, Outstanding Statement of Cash Flows [Abstract] Net income (loss) Net income (loss) Net (loss) Accounts payable and accrued expenses Increase (Decrease) in Accounts Payable and Accrued Liabilities Cash flows from financing activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract] Net cash provided by (used in) financing activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Organization and Plan of Business Operations [Abstract] Class of Stock [Axis] Public Shares [Member] Public Shares Member Common stock par value (in Dollars per share) Common stock, par value (in Dollars per share) Common Stock, Par or Stated Value Per Share Common stock at an exercise price (in Dollars per share) Class of Warrant or Right, Exercise Price of Warrants or Rights Summary of Significant Accounting Policies Significant Accounting Policies [Text Block] Statement of Stockholders' Equity [Abstract] Equity Components [Axis] Equity Component [Domain] Balance Balance Total stockholders’ deficit Equity, Attributable to Parent Cash flow from operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract] Adjustments to reconcile net income (loss) to net cash used in operating activities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity [Abstract] Net cash used in operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation Proceeds from notes payable- related party Unsecured promissory notes Proceeds from Related Party Debt Net change in cash Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Excluding Exchange Rate Effect, Including Discontinued Operation Organization and Plan of Business Operations (Details) [Table] Class of Stock [Domain] Redeemable Common Stock [Member] Redeemable Common Stock Member Sale of Stock [Axis] Initial Public Offering [Member] IPO [Member] Initial Public Offering Initial Public Offering Text Block The entire disclosure for initial public offering. Related Party Transactions Related Party Transactions Disclosure [Text Block] Commitments and Contingencies [Abstract] Stockholders’ Equity Equity [Text Block] Fair Value Measurements [Abstract] Subsequent Events Subsequent Events [Text Block] Principles of Consolidation Consolidation, Policy [Policy Text Block] Cash Cash and Cash Equivalents, Policy [Policy Text Block] Net Income (Loss) Per Share Earnings Per Share, Policy [Policy Text Block] Recent Accounting Pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Prior written notice redemption of warrants Class Of Warrant Or Right Minimum Threshold Written Notice Period For Redemption Of Warrants The minimum threshold period during which a written notice is required for redemption of warrants, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Threshold trading days for redemption of public warrants Class Of Warrant Or Right Redemption Of Warrants Or Rights Threshold Trading Days Threshold number of specified trading days for stock price trigger considered for redemption of warrants. Fair Value Measurements - Schedule of Fair Value Hierarchy of the Valuation Inputs (Details) [Table] Quoted Price in Active Market (Level 1) [Member] Fair Value, Inputs, Level 1 [Member] Significant Other Unobservable Inputs (Level 3) [Member] Fair Value, Inputs, Level 3 [Member] Fair Value, Inputs, Level 3 [Member] Liabilities: Liabilities [Abstract] Related and Nonrelated Parties [Axis] Eric S. Rosenfeld [Member] Eric SRosenfeld Member Type of contribution [Axis] Type Of Contribution Axis First Contribution [Member] First Contribution Member Third Contribution [Member] Third Contribution Member Gross proceeds Generating gross proceeds (in Dollars) Proceeds from Issuance Initial Public Offering Gross proceeds, percentage Gross Proceeds Percentage Gross proceeds, percentage. Warrant [Member] Warrant [Member] Initial Public Offering [Line Items] Private Placement [Line Items] Organization and Plan of Business Operations [Line Items] Purchase price per unit (in Dollars per share) Price per unit (in Dollars per share) Sale of Stock, Price Per Share Private Placement (Details) [Table] Private Right [Member] Private Right Member Sale of Stock [Domain] Price per share (in Dollars per share) Shares Issued, Price Per Share Number of private unit Number Of Private Unit Number of private unit. Related Party Transactions (Details) [Table] Debt Instrument, Name [Domain] Related Party Transactions [Line Items] Contributed aggregate amount Proceeds from Contributions from Parent Deposits Deposit Assets Commitments and Contingencies (Details) [Table] Collaborative Arrangement and Arrangement Other than Collaborative [Domain] Subscription Agreements [Member] Subscription Agreements Member Commitments and Contingencies [Line Items] Common stock, shares outstanding Common stock, shares outstanding (in Shares) Common Stock, Shares, Outstanding Investors price per share Investors Price Per Share Investors price per share. Stockholders’ Equity (Details) [Table] Statistical Measurement [Axis] Minimum [Member] Minimum [Member] Class of Warrant or Right [Axis] Preferred stock, shares outstanding Preferred stock, shares outstanding (in Shares) Preferred Stock, Shares Outstanding Common stock, shares authorized Common stock, shares authorized (in Shares) Common Stock, Shares Authorized Redemption price per share (in Dollars per share) Temporary Equity, Redemption Price Per Share Change in value of common stock due to redemptions (in Dollars) Change In Value Of Common Stock Due To Redemptions Change in value of common stock due to redemptions. Warrants is not effective business days Warrants No Effective Within Business Days Number of days warrants no effective within consummation. Warrant price per share (in Dollars per share) Warrant Price Per Share Warrant price per share. Exceeds per shares (in Dollars per share) Exceeds Per Shares Amount of exceeds per shares. . Warrants redemption period Warrants Underlying Redemption Period Threshold number of warrant underlying redemption period. Common stock, voting rights Common Stock, Voting Rights Unsecured Promissory Notes One [Member] Unsecured Promissory Notes Two [Member] Unsecured Promissory Notes Three [Member] Unsecured Promissory Notes Four [Member] Unsecured Promissory Notes Five [Member] Unsecured Promissory Notes Six [Member] Unsecured Promissory Notes Seven [Member] Schedule Of Fair Value Of The Private Placement Warrants Abstract Fair Value Hierarchy and NAV [Axis] Schedule of Fair Value of the Private Placement Warrants [Line Items] Fair Value Measurement Inputs and Valuation Techniques [Table] Measurement Input Type [Axis] Risk Free Rate [Member] Measurement Input, Risk Free Interest Rate [Member] Income Statement [Abstract] Loss from operations Operating Income (Loss) Income Nonoperating Income (Expense) Weighted average shares outstanding of common stock, basic Weighted Average Number of Shares Outstanding, Basic Basic net loss per share Earnings Per Share, Basic Entity Registrant Name Entity Registrant Name Entity Tax Identification Number Entity Tax Identification Number Total current assets Assets, Current Current liabilities: Liabilities, Current [Abstract] Warrant liability Derivative warrant liabilities Warrants and Rights Outstanding Common stock, $0.0001 par value; 40,000,000 shares authorized, 4,110,000 shares issued and outstanding as of June 30, 2026 and December 31, 2025, respectively Common Stock, Value, Issued Retained earnings Retained Earnings (Accumulated Deficit) Preferred stock, par value (in Dollars per share) Preferred Stock, Par or Stated Value Per Share Preferred stock, shares issued (in Shares) Preferred stock, shares issued Preferred Stock, Shares Issued Common stock, shares issued (in Shares) Common stock, shares issued Common Stock, Shares, Issued General and administrative costs General and Administrative Expense Other Income Other Nonoperating Income Weighted average shares outstanding of common stock, diluted Weighted Average Number of Shares Outstanding, Diluted Diluted net loss per share Earnings Per Share, Diluted Additional Paid-In Capital Additional Paid-in Capital [Member] Total liabilities and stockholders’ deficit Liabilities and Equity Entity Central Index Key Entity Central Index Key Entity File Number Entity File Number Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Entity Address, Postal Zip Code Entity Address, Postal Zip Code Local Phone Number Local Phone Number Notes payable-related party Represents the amount of notes payable-related party. Number of units issued Number Of Units Issued Number of units issued. Common stock, shares issued Number Of Common Stock Shares Number of common stock shares. Number of shares issuable per warrant Number of warrant right shares Class of Warrant or Right, Number of Securities Called by Each Warrant or Right Each rights share Number of common stock rights Number Of Each Rights Common Stock Number of each rights common stock. Over Allotment Option [Member] Over-Allotment Option [Member] Over-Allotment Option [Member] Allegro Warrants [Member] Allegro Warrants Member Business Combination [Domain] Number of shares in a unit Number Of Shares Issued Per Unit The number of shares in a unit. Number of warrants in a unit Number Of Warrants Issued Per Unit The number of warrants in a unit. Number of units sold Number Of Units Sold Number of units sold. Gross proceeds (in Dollars) Aggregate purchase price (in Dollars) Proceeds from Issuance of Private Placement Maturity days Government Market Fund Maturity Days Government market fund maturity days. Loans made by initial stockholders (in Dollars) Payments for Loans Cash (in Dollars) Cash Diluted earnings per share (in Shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Initial Public Offering (Details) [Table] Schedule of Fair Value of the Private Placement Warrants Fair Value Measurement Inputs and Valuation Techniques [Table Text Block] Rights [Member] Rights [Member] Business Combination [Axis] Business Combination [Member] Business Combination, Series of Individually Immaterial Business Combinations [Member] Incorporated date Entity Incorporation, Date of Incorporation Dissolution expenses (in Dollars) Dissolution Expenses Dissolution expenses. Restricted cash (in Dollars) Restricted Cash Price per unit (in Dollars per share) Price Per Unit Price per unit. Number of additional units sold Number Of Additional Units Sold Number of additional units sold. Working capital deficit (in Dollars) Working Capital Deficit Amount of working capital deficit. Private Placement [Abstract] Private Warrant [Member] Private Warrant Member Debt Instrument [Axis] Related and Nonrelated Parties [Domain] TypeOfContributionDomain [Domain] Second Contribution [Member] Second Contribution Member Aggregate gross proceeds Aggregate Gross Proceeds Represent the amount of aggregate gross proceeds. Statistical Measurement [Domain] Maximum [Member] Maximum [Member] Stockholders’ Equity [Line Items] Percentage of allegro common stock Percentage Of Allegro Common Stock The percentage of allegro common stock. Redemption price (in Dollars) Temporary Equity, Aggregate Amount of Redemption Requirement Warrants exercisable days Warrants Exercisable After The Completion Of The Initial Business Combination Number of days warrants exercisable after the completion of the initial business combinations. Warrants expire term Warrants and Rights Outstanding, Term Unconverted public share (in Dollars per share) Unconverted Public Shares Unconverted public share. Outstanding loan Line of Credit Facility, Fair Value of Amount Outstanding Collaborative Arrangement and Arrangement Other than Collaborative [Axis] Underwriting Agreement [Member] Underwriting Agreement Member Underwriting discount percentage Underwriting Discount Percentage Percentage of underwriting discount of the gross proceeds. Deferred underwriting discount, percentage Deferred Underwriting Discount Deferred underwriting discount. Schedule Of Fair Value Hierarchy Of The Valuation Inputs Abstract Significant Other Observable Inputs (Level 2) [Member] Fair Value, Inputs, Level 2 [Member] Schedule of Fair Value Hierarchy of the Valuation Inputs [Line Items]