N-2 |
12 Months Ended |
|---|---|
Dec. 31, 2024 | |
| Cover [Abstract] | |
| Entity Central Index Key | 0001951067 |
| Amendment Flag | false |
| Securities Act File Number | 001-41717 |
| Document Type | 20-F |
| Document Registration Statement | false |
| Entity Registrant Name | C3IS INC. |
| Entity Address, Address Line One | 331 Kifissias Avenue |
| Entity Address, Address Line Two | Erithrea |
| Entity Address, City or Town | Athens |
| Entity Address, Postal Zip Code | 14561 |
| Entity Well-known Seasoned Issuer | No |
| Entity Emerging Growth Company | true |
| Entity Ex Transition Period | true |
| Business Contact [Member] | |
| Cover [Abstract] | |
| Entity Address, Address Line One | 331 Kifissias Avenue |
| Entity Address, Address Line Two | Erithrea |
| Entity Address, City or Town | Athens |
| Entity Address, Postal Zip Code | 14561 |
| City Area Code | 210 |
| Local Phone Number | 625 0001 |
| Contact Personnel Name | Dr. Diamantis Andriotis |
| X | ||||||||||
- Definition Boolean flag that is true when the XBRL content amends previously-filed or accepted submission. No definition available.
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- Definition Area code of city No definition available.
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- Definition Name of contact personnel No definition available.
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- Definition Cover page. No definition available.
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- Definition Boolean flag that is true only for a form used as a registration statement. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The type of document being provided (such as 10-K, 10-Q, 485BPOS, etc). The document type is limited to the same value as the supporting SEC submission type, or the word 'Other'. No definition available.
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- Definition Address Line 1 such as Attn, Building Name, Street Name No definition available.
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- Definition Address Line 2 such as Street or Suite number No definition available.
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- Definition Name of the City or Town No definition available.
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- Definition Code for the postal or zip code No definition available.
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- Definition A unique 10-digit SEC-issued value to identify entities that have filed disclosures with the SEC. It is commonly abbreviated as CIK. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Indicate if registrant meets the emerging growth company criteria. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Indicate if an emerging growth company has elected not to use the extended transition period for complying with any new or revised financial accounting standards. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition 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. No definition available.
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- Definition The exact name of the entity filing the report as specified in its charter, which is required by forms filed with the SEC. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Indicate 'Yes' or 'No' if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act. Is used on Form Type: 10-K, 10-Q, 8-K, 20-F, 6-K, 10-K/A, 10-Q/A, 20-F/A, 6-K/A, N-CSR, N-Q, N-1A. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Local phone number for entity. No definition available.
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- Details
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