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Fair Value Measurements - Schedule of company's liabilities that are measured at fair value (FY) (Details) - USD ($) | 8 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Dec. 31, 2021 | Sep. 30, 2023 | Dec. 31, 2022
Schedule of Company's Liabilities that are Measured at Fair Value [Line Items] |  |  |
Liabilities | $ 7,216,022 |  | $ 857,787
Warrant liabilities - Public Warrants [Member] |  |  |
Schedule of Company's Liabilities that are Measured at Fair Value [Line Items] |  |  |
Liabilities | 3,890,177 | $ 351,038 | 450,656
Private Placement Warrants [Member] |  |  |
Schedule of Company's Liabilities that are Measured at Fair Value [Line Items] |  |  |
Liabilities | 3,086,701 | 293,900 | 377,857
Representative's Warrants [Member] |  |  |
Schedule of Company's Liabilities that are Measured at Fair Value [Line Items] |  |  |
Liabilities | 239,144 | 22,770 | 29,274
Quoted Prices In Active Markets (Level 1) [Member] |  |  |
Schedule of Company's Liabilities that are Measured at Fair Value [Line Items] |  |  |
Liabilities |  |  | 450,656
Quoted Prices In Active Markets (Level 1) [Member] | Warrant liabilities - Public Warrants [Member] |  |  |
Schedule of Company's Liabilities that are Measured at Fair Value [Line Items] |  |  |
Liabilities |  | 351,038 | 450,656
Quoted Prices In Active Markets (Level 1) [Member] | Private Placement Warrants [Member] |  |  |
Schedule of Company's Liabilities that are Measured at Fair Value [Line Items] |  |  |
Liabilities |  |  |
Quoted Prices In Active Markets (Level 1) [Member] | Representative's Warrants [Member] |  |  |
Schedule of Company's Liabilities that are Measured at Fair Value [Line Items] |  |  |
Liabilities |  |  |
Significant Other Observable Inputs (Level 2) [Member] |  |  |
Schedule of Company's Liabilities that are Measured at Fair Value [Line Items] |  |  |
Liabilities |  |  |
Significant Other Observable Inputs (Level 2) [Member] | Warrant liabilities - Public Warrants [Member] |  |  |
Schedule of Company's Liabilities that are Measured at Fair Value [Line Items] |  |  |
Liabilities |  |  |
Significant Other Observable Inputs (Level 2) [Member] | Private Placement Warrants [Member] |  |  |
Schedule of Company's Liabilities that are Measured at Fair Value [Line Items] |  |  |
Liabilities |  |  |
Significant Other Observable Inputs (Level 2) [Member] | Representative's Warrants [Member] |  |  |
Schedule of Company's Liabilities that are Measured at Fair Value [Line Items] |  |  |
Liabilities |  |  |
Significant Other Unobservable Inputs (Level 3) [Member] |  |  |
Schedule of Company's Liabilities that are Measured at Fair Value [Line Items] |  |  |
Liabilities | 7,216,022 |  | 407,131
Significant Other Unobservable Inputs (Level 3) [Member] | Warrant liabilities - Public Warrants [Member] |  |  |
Schedule of Company's Liabilities that are Measured at Fair Value [Line Items] |  |  |
Liabilities | 3,890,177 |  |
Significant Other Unobservable Inputs (Level 3) [Member] | Private Placement Warrants [Member] |  |  |
Schedule of Company's Liabilities that are Measured at Fair Value [Line Items] |  |  |
Liabilities | 3,086,701 | 293,900 | 377,857
Significant Other Unobservable Inputs (Level 3) [Member] | Representative's Warrants [Member] |  |  |
Schedule of Company's Liabilities that are Measured at Fair Value [Line Items] |  |  |
Liabilities | $ 239,144 | $ 22,770 | $ 29,274

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