Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024
Current Assets:
Cash	$ 9,161	$ 7,843
Restricted cash	2,227	1,150
Accounts receivable, net (allowance for expected credit losses of $244 at March 31, 2025 and December 31, 2024)	2,364	2,693
Prepaid expenses and other current assets	1,978	1,781
Equipment held for sale	28	28
Total Current Assets	15,758	13,495
Restricted cash, noncurrent	3,060	1,460
Other assets	1,124	2,724
Deposits and credits on equipment	4,932	5,145
Property, plant and equipment, net	49,585	47,283
Intangible assets, net	15,292	17,620
Operating lease right-of-use assets	298	313
Total Assets	90,049	88,040
Current Liabilities:
Accounts payable	3,321	2,840
Accrued liabilities	6,482	6,785
Accrued interest payable	2,674	2,275
Contract liability	19,348	20,015
Current portion of debt	13,848	14,444
Income tax payable	49	37
Customer deposits	1,776	1,416
Operating lease liability	62	61
Total Current Liabilities	47,560	47,873
Other liabilities	249	235
Long-term debt	10,190	7,061
Operating lease liability	236	252
Deferred tax liability, net	4,821	5,257
Total Liabilities	63,056	60,678
Commitments and Contingencies (Note 10)
Stockholders’ Equity:
Common stock, par value $0.001 per share, authorized 75,000,000;12,548,786 shares issued and 12,508,045 shares outstanding as of March 31, 2025 and 10,647,761 shares issued and 10,607,020 shares outstanding as of December 31, 2024	13	11
Additional paid-in capital	319,575	315,607
Accumulated deficit	(321,860)	(314,304)
Common stock in treasury, at cost, 40,741 shares at March 31, 2025 and December 31, 2024	(13,798)	(13,798)
Total Soluna Holdings, Inc. Stockholders’ (Deficit) Equity	(16,065)	(12,479)
Non-Controlling Interest	43,058	39,841
Total Stockholders’ Equity	26,993	27,362
Total Liabilities and Stockholders’ Equity	90,049	88,040
Series A Preferred Stock [Member]
Stockholders’ Equity:
Preferred stock, value	5	5
Series B Preferred Stock [Member]
Stockholders’ Equity:
Preferred stock, value