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Schedule of Variable Interest Entities of Operations (Details) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]    
General and administrative expense $ 4,370 $ 4,882
Net loss attributable to Soluna Holdings, Inc. (7,062) (8,906)
Variable Interest Entities [Member]    
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]    
Cost of sales 58
General and administrative expense 375
Net loss attributable to Soluna Holdings, Inc. $ 433