v3.25.3

Cover - shares	9 Months Ended
Cover - shares	Sep. 30, 2025	Nov. 14, 2025
Document Information Line Items
Entity Registrant Name	LAKE SUPERIOR ACQUISITION CORP.
Entity Central Index Key	0002043508
Document Type	10-Q
Amendment Flag	false
Current Fiscal Year End Date	--12-31
Entity Small Business	true
Entity Shell Company	false
Entity Emerging Growth Company	true
Entity Current Reporting Status	Yes
Document Period End Date	Sep. 30, 2025
Entity Filer Category	Non-accelerated Filer
Document Fiscal Period Focus	Q3
Document Fiscal Year Focus	2026
Entity Ex Transition Period	false
Entity Common Stock Shares Outstanding		15,693,333
Document Quarterly Report	true
Document Transition Report	false
Entity File Number	001-42896
Entity Incorporation State Country Code	D8
Entity Address Address Line 1	521 Fifth Avenue
Entity Address Address Line 2	17th Floor
Entity Address City Or Town	New York
Entity Address State Or Province	NY
Entity Address Country	US
Entity Address Postal Zip Code	10175
City Area Code	646
Local Phone Number	886-8892
Entity Interactive Data Current	Yes
Units, each consisting of one Class A Ordinary Share and one-seventh of one right
Document Information Line Items
Security 12b Title	Units, each consisting of one Class A Ordinary Share and one-seventh of one right
Trading Symbol	LKSPU
Security Exchange Name	NASDAQ
Class A ordinary shares, no par value
Document Information Line Items
Security 12b Title	Class A ordinary shares, no par value
Trading Symbol	LKSP
Security Exchange Name	NASDAQ
Rights, each whole right to acquire one Class A Ordinary Share
Document Information Line Items
Security 12b Title	Rights, each whole right to acquire one Class A Ordinary Share
Trading Symbol	LKSPR
Security Exchange Name	NASDAQ

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This is focus fiscal year of the document report in YYYY format. For a 2006 annual report, which may also provide financial information from prior periods, fiscal 2006 should be given as the fiscal year focus. Example: 2006.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Address Line 1 such as Attn, Building Name, Street Name

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Address Line 2 such as Street or Suite number

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Name of the City or Town

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ISO 3166-1 alpha-2 country code.

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A unique 10-digit SEC-issued value to identify entities that have filed disclosures with the SEC. It is commonly abbreviated as CIK.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Indicate number of shares or other units outstanding of each of registrant's classes of capital or common stock or other ownership interests, if and as stated on cover of related periodic report. Where multiple classes or units exist define each class/interest by adding class of stock items such as Common Class A [Member], Common Class B [Member] or Partnership Interest [Member] onto the Instrument [Domain] of the Entity Listings, Instrument.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Commission file number. The field allows up to 17 characters. The prefix may contain 1-3 digits, the sequence number may contain 1-8 digits, the optional suffix may contain 1-4 characters, and the fields are separated with a hyphen.

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Indicate whether the registrant is one of the following: Large Accelerated Filer, Accelerated Filer, Non-accelerated Filer. Definitions of these categories are stated in Rule 12b-2 of the Exchange Act. This information should be based on the registrant's current or most recent filing containing the related disclosure.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Two-character EDGAR code representing the state or country of incorporation.

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Boolean flag that is true when the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T during the preceding 12 months (or for such shorter period that the registrant was required to submit such files).

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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The exact name of the entity filing the report as specified in its charter, which is required by forms filed with the SEC.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Boolean flag that is true when the registrant is a shell company as defined in Rule 12b-2 of the Exchange Act.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Indicates that the company is a Smaller Reporting Company (SRC).

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Local phone number for entity.

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Title of a 12(b) registered security.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Trading symbol of an instrument as listed on an exchange.

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Lake Superior Acquisition Corp 10-Q