Asset Acquisition (Details Narrative) - USD ($) $ in Millions	Oct. 10, 2023	May 26, 2023	Oct. 29, 2021	Aug. 11, 2021	Jun. 30, 2024
Business Acquisition [Line Items]
Merger shares issued					15,951
Merger Agreement [Member]
Business Acquisition [Line Items]
New shares issued	39,600	19,800
Merger shares issued		59,400
Soluna [Member]
Business Acquisition [Line Items]
Ownership percentage					100.00%
Soluna Callisto [Member]
Business Acquisition [Line Items]
Merger shares issuable description				each share of common stock of Soluna Callisto issued and outstanding immediately prior to the effective time of the merger, other than shares owned by the Company or any of our subsidiaries, was canceled and converted into the right to receive a proportionate share of up to 118,800 shares (the “Merger Shares”) of the Company’s common stock payable upon the achievement of certain milestones within five years after the effective date in the merger, as set forth in the merger agreement and the schedules thereto (the “Merger Consideration”). See Note 11 for further information regarding our relationship with HEL.
Fair value of merger consideration			$ 33.0
Soluna Callisto [Member] | Condition One [Member]
Business Acquisition [Line Items]
Business acquisition description of acquired entity				Upon the Company achieving each one active MegaWatts (“Active MWs”) from the projects in which the cost requirement is satisfied, this will cause SHI to issue to HEL 792 shares for each one MW up to a maximum 150 Active MW.
Soluna Callisto [Member] | Condition Two [Member]
Business Acquisition [Line Items]
Business acquisition description of acquired entity				If, on or before June 30, 2022, SCI or Soluna Callisto directly or indirectly achieves at least 50 active MWs from one or more of three current projects as set forth in the Merger Agreement that satisfy the Cost Requirement as defined within the Merger Agreement, then the Merger Shares will be issued at an accelerated rate of 1,188 Merger Shares for each of such first 50 Active MW, such that the Merger Shares in respect of the remaining 100 Active MWs (if any) will be issued at a reduced rate of 594 Merger Shares per Active MW (see below for extension and issuance of a proportion of shares);
Soluna Callisto [Member] | Condition Three [Member]
Business Acquisition [Line Items]
Business acquisition description of acquired entity				If, by June 30, 2023, SCI or Soluna Calisto fail to achieve directly or indirectly (other than pursuant to a Portfolio Acquisition) at least 50 Active MW from Projects that satisfy the Cost Requirement, then the maximum aggregate number of Merger Shares shall be reduced from 118,800 to 59,400 (see below for extension and issuance of a proportion of shares);
Soluna Callisto [Member] | Maximum [Member]
Business Acquisition [Line Items]
Shares issuable				118,800
Surviving Corportions [Member]
Business Acquisition [Line Items]
Percentage of voting interest					50.00%