Schedule of Segment Reporting Information (Details) - USD ($) $ in Thousands		3 Months Ended
	Feb. 28, 2024	Mar. 31, 2024	Dec. 31, 2023	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023
Revenue from External Customer [Line Items]
Total segment and consolidated revenue		$ 12,549				$ 3,082
Total segment and consolidated cost of revenues		5,615				3,148
General and administrative expenses		3,994				4,360
Interest expense		(424)				(1,374)
Loss (gain) on debt extinguishment and revaluation, net	$ 5,800	(3,097)				473
Loss on sale of fixed assets		(1)				(78)
Income tax benefit		548				547
Net loss		(2,544)	$ (4,997)	$ (6,016)	$ (9,257)	(7,432)
(Less) Net income (loss) attributable to non-controlling interest		(2,710)				370
Net loss attributable to Soluna Holdings, Inc.		(5,254)				(7,062)
Depreciation and amortization		2,403				2,377
Reportable Subsegments [Member]
Revenue from External Customer [Line Items]
Total segment and consolidated revenue		12,549				3,082
Total segment and consolidated cost of revenues		5,615				3,148
General and administrative expenses		6,397				6,737
Impairment on fixed assets		130				209
Interest expense		424				1,374
Loss (gain) on debt extinguishment and revaluation, net		3,097				(473)
Loss on sale of fixed assets		1				78
Other income, net		(23)				(12)
Income tax benefit		(548)				(547)
Net loss		(2,544)				(7,432)
(Less) Net income (loss) attributable to non-controlling interest		2,710				(370)
Net loss attributable to Soluna Holdings, Inc.		(5,254)				(7,062)
Capital expenditures		524				860
Depreciation and amortization		3,926				3,002
Cryptocurrency Mining Revenue [Member]
Revenue from External Customer [Line Items]
Total segment and consolidated revenue		6,396				2,796
Total segment and consolidated cost of revenues		1,841				2,251
Data Hosting Revenue [Member]
Revenue from External Customer [Line Items]
Total segment and consolidated revenue		5,278				286
Total segment and consolidated cost of revenues		2,251				272
Demand Response Service Revenue [Member]
Revenue from External Customer [Line Items]
Total segment and consolidated revenue		875
Cost of Revenue Depreciation [Member]
Revenue from External Customer [Line Items]
Total segment and consolidated cost of revenues		$ 1,523				$ 625