Schedule of Basic and Diluted Per Share Computations for Continuing Operations (Details) - USD ($) $ / shares in Units, $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Numerator:
Net loss		$ (8,093)	$ (6,016)	$ (19,782)	$ (22,705)
(Less) Net income (loss) attributable to non-controlling interest		(903)	646	3,535	(206)
Net loss attributable to Soluna Holdings, Inc.		(7,190)	(6,662)	(23,317)	(22,499)
Less: Preferred dividends or deemed dividends			(38)	(452)	(421)
Less: Cumulative Preferred Dividends in arrears		(2,786)	(1,722)	(7,117)	(5,166)
Balance		$ (9,976)	$ (8,422)	$ (30,886)	$ (28,086)
Basic and Diluted EPS:
Common shares outstanding, beginning of period, including penny warrants		6,878,723	1,189,907	2,592,454	1,061,497
Weighted average common shares issued during the period including penny warrants issued and outstanding as of quarter-end		859,941	222,733	2,555,148	101,192
Basic earnings per common shares	[1]	7,738,664	1,412,640	5,147,602	1,162,689
Diluted earnings per common shares	[1]	7,738,664	1,412,640	5,147,602	1,162,689
Weighted average common shares Basic	[1]	$ (1.29)	$ (5.96)	$ (6.00)	$ (24.16)
Weighted average common shares Diluted	[1]	$ (1.29)	$ (5.96)	$ (6.00)	$ (24.16)

[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, “Basis of Presentation,” for details.