Cover
Jan. 20, 2022
Document Type 8-K
Amendment Flag false
Document Period End Date Jan. 20, 2022
Entity File Number 000-06890
Entity Registrant Name SOLUNA HOLDINGS, INC.
Entity Central Index Key 0000064463
Entity Tax Identification Number 14-1462255
Entity Incorporation, State or Country Code NV
Entity Address, Address Line One 325 Washington Avenue Extension
Entity Address, City or Town Albany
Entity Address, State or Province NY
Entity Address, Postal Zip Code 12205
City Area Code (518)
Local Phone Number 218-2550
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Entity Emerging Growth Company false
Common Stock, par value $0.001 per  
Title of 12(b) Security Common Stock, par value $0.001 per
Trading Symbol SNLH
Security Exchange Name NASDAQ
9.0% Series A Cumulative Perpetual  
Title of 12(b) Security 9.0% Series A Cumulative Perpetual
Trading Symbol SLNHP
Security Exchange Name NASDAQ