Asset Acquisition (Details Narrative) - USD ($)				3 Months Ended
	Nov. 05, 2021	Oct. 29, 2021	Aug. 11, 2021	Mar. 31, 2023
Business Acquisition [Line Items]
Termination consideration	$ 1,900,000
Harmattan Energy Ltd [Member] | Common Stock [Member]
Business Acquisition [Line Items]
Stock issued for termination consideration	150,000
Soluna Computing Inc [Member] | Harmattan Energy Ltd [Member]
Business Acquisition [Line Items]
Termination consideration paid	$ 725,000
Transaction fees and expenses reimbursed	$ 75,000
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 cancelled and converted into the right to receive a proportionate share of up to 2,970,000 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”).
Fair value of merger consideration		$ 33,000,000.0
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 19,800 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 29,700 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 14,850 Merger Shares per Active MW (as of March 31, 2023, the Company did not achieve this milestone)
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 2,970,000 to 1,485,000
Soluna Callisto [Member] | Maximum [Member]
Business Acquisition [Line Items]
Shares issuable			2,970,000