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Related Party Transactions (Details Narrative) - USD ($) |  |  | 3 Months Ended | 9 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | --- | --- | --- | ---
Oct. 29, 2021 | Dec. 18, 2013 | Dec. 18, 2013 | Sep. 30, 2024 | Sep. 30, 2023 | Sep. 30, 2024 | Sep. 30, 2023 | Dec. 31, 2023 | Dec. 31, 2022 | Oct. 10, 2023 | May 26, 2023
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Promissory note available to convert |  |  |  |  |  |  |  | $ 1,500,000 |  |  |  |
Merger Shares issued |  |  |  | 456,707 |  | 456,707 |  | 523,716 | [1] |  |  |
Stock based awards |  |  |  |  |  | $ 109,000 |  | $ 110,000 |  |  |  |
Notes receviable |  |  |  | $ 33,000 |  | 33,000 |  | 446,000 |  | $ 219,000 |  |
Other assets |  |  |  | 8,718,000 |  | 8,718,000 |  | 2,954,000 |  | $ 1,150,000 |  |
Notes Receivable [Member] |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Notes receviable |  |  |  | 13,000 |  | 13,000 |  | 13,000 |  |  |  |
Other assets |  |  |  | 96,000 |  | $ 96,000 |  | $ 97,000 |  |  |  |
Chief Executive Officer [Member] |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Description of director owns |  |  |  |  |  | (i) 90% of the equity of Soluna Technologies Investment I, LLC, which owns 57.9% of HEL and (ii) 100% of the equity of MJT Park Investors, Inc., which owns 3.1% of HEL, in each case, on a fully diluted basis. Mr. Toporek does not own directly, or indirectly, any equity interest in Tera Joule, LLC, which owns 9.2% of HEL; however, as a result of his 100% ownership of Brookstone IAC, Inc., which is the manager of Tera Joule, LLC, he has dispositive power over the equity interests that Tera Joule owns in HEL. |  | (i) 90% of the equity of Soluna Technologies Investment I, LLC, which owns 57.9% of HEL and (ii) 100% of the equity of MJT Park Investors, Inc., which owns 3.1% of HEL, in each case, on a fully diluted basis. Mr. Toporek does not own directly, or indirectly, any equity interest in Tera Joule, LLC, which owns 9.2% of HEL; however, as a result of his 100% ownership of Brookstone IAC, Inc., which is the manager of Tera Joule, LLC, he has dispositive power over the equity interests that Tera Joule owns in HEL |  |  |  |
Interest expense |  |  |  |  |  | $ 0 | $ 0 | $ 0 |  |  |  |
Matthew E. Lipman [Member] |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Description of director owns |  |  |  |  |  | Tera Joule, LLC, which owns 9.2% of HEL; however, as a result of his position as a director and officer of Brookstone IAC, Inc., which is the manager of Tera Joule, LLC, he has dispositive power over the equity interests that Tera Joule owns in HEL. As a result, the approximate dollar value of the amount of Mr. Toporek’s and Mr. Lipman’s interest in the Company’s transactions with HEL for the nine months ended September 30, 2024 was $0 and $0. |  | Tera Joule, LLC, which owns 9.2% of HEL; however, as a result of his position as a director and officer of Brookstone IAC, Inc., which is the manager of Tera Joule, LLC, he has dispositive power over the equity interests that Tera Joule owns in HEL. As a result, the approximate dollar value of the amount of Mr. Toporek’s and Mr. Lipman’s interest in the Company’s transactions with HEL for the year ended December 31, 2023 was $0 and $0 |  |  |  |
Interest expense |  |  |  |  |  |  |  | $ 0 |  |  |  |
John Belizaire and John Bottomley [Member] |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Description of director owns |  |  |  |  |  | In addition, Mr. Belizaire is the beneficial owner of 1,317,567 shares of common stock of HEL and 102,380 Class Seed Preferred shares, which are convertible into 86,763 shares of common stock of HEL. These interests give Mr. Belizaire an ownership of 10.54% in HEL. Mr. Belizaire also owns an interest in HEL indirectly through his 5.0139% interest of Tera Joule, LLC’s 965,945 Class Seed Preferred shares, which are convertible into 818,596 shares of common stock of HEL. Mr. Bottomley is the beneficial owner of 96,189, or approximately 0.72%, of the outstanding shares of common stock of HEL. |  | In addition, Mr. Belizaire is the beneficial owner of 1,317,567 shares of common stock of HEL and 102,380 Class Seed Preferred shares, which are convertible into 86,763 shares of common stock of HEL. These interests give Mr. Belizaire an ownership of 10.54% in HEL. Mr. Belizaire also owns an interest in HEL indirectly through his 5.0139% interest of Tera Joule, LLC’s 965,945 Class Seed Preferred shares, which are convertible into 818,596 shares of common stock of HEL. Mr. Bottomley is the beneficial owner of 96,189, or approximately 0.72%, of the outstanding shares of common stock of HEL |  |  |  |
Shares converted |  |  |  |  |  | 1,317,567 |  | 1,317,567 |  |  |  |
John Belizaire and John Bottomley [Member] | Class Seed Preferred Share [Member] |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Shares converted |  |  |  |  |  | 102,380 |  | 102,380 |  |  |  |
Merger Agreement [Member] |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Merger Shares issued |  |  |  |  |  |  |  |  |  |  |  | 59,400
MeOH Power Inc [Member] |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Company paid |  | $ 380,000 | $ 380,000 |  |  |  |  |  |  |  |  |
Share price |  | $ 0.07 | $ 0.07 |  |  |  |  |  |  | $ 0.07 |  |
Promissory note available to convert |  |  |  |  |  | $ 379,000 |  | $ 363,000 |  | $ 342,000 |  |
Couch White LLP [Member] |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Professional fees |  |  |  |  |  |  |  | $ 2,000 |  | 22,000 |  |
Legal services |  |  |  | $ 1,000 | $ 1,000 | $ 2,000 | $ 2,000 |  |  |  |  |
Soluna Computing Inc [Member] |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Payment of related party | $ 725,000 |  |  |  |  |  |  |  |  |  |  |
SCI US Holdings LLC [Member] |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Shares issued for merger agreement |  |  |  |  |  |  |  |  |  |  | 39,600 | 19,800
Merger Shares issued |  |  |  |  |  |  |  |  |  |  |  | 59,400
Harmattan Energy Ltd [Member] |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Shares converted |  |  |  |  |  | 86,763 |  | 86,763 |  |  |  |
Payments to acquire investments |  |  |  |  |  |  |  | $ 750,000 |  | 750,000 |  |
Equity method investments writing it down |  |  |  |  |  |  |  |  |  | $ 0 |  |
Investment percentage |  |  |  | 1.79% |  | 1.79% |  | 1.79% |  | 1.79% |  |
Harmattan Energy Ltd [Member] | Common Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Shares converted |  |  |  |  |  | 818,596 |  | 818,596 |  |  |  |
Tera Joule, LLC [Memebr] | Class Seed Preferred Share [Member] |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Shares converted |  |  |  |  |  | 965,945 |  | 965,945 |  |  |  |
Mr. Bottomley [Member] | Common Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Shares converted |  |  |  |  |  |  |  | 96,189 |  |  |  |
[1] | Prior period results have been adjusted to reflect the Reverse Stock Split of the Common Stock at a ratio of 1-for-25 that became effective October 13, 2023. See Note 2, “Accounting Policies,” for details.

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