Schedule of Basic and Diluted Per Share Computations for Continuing Operations (Details) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2023	Dec. 31, 2022
Numerator:
Net loss from continuing operations		$ (27,703)	$ (107,016)
(Less) Net income (loss) attributable to non-controlling interest		1,498	(380)
Net income from discontinued operations			7,921
Net loss attributable to Soluna Holdings, Inc.		(29,201)	(98,715)
Less: Preferred Dividend		(421)	(4,088)
Less: Cumulative Preferred Dividends in arrears		(6,888)	(1,722)
Balance		$ (36,510)	$ (104,525)
Basic and Diluted EPS:
Common shares outstanding, beginning of period		747,837	550,168
Weighted average common shares issued during the period including penny warrants issued and outstanding as of year-end		565,881	49,133
Weighted average shares outstanding Basic	[1]	1,313,718	599,301
Weighted average shares outstanding Diluted	[1]	1,313,718	599,301

[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.