SEGMENT REPORTING - Schedule of Segment Reporting Information, by Segment (Details) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Segment Reporting Information [Line Items]
Total revenue	$ 20,834	$ 19,242
Selling, general and administrative	3,913	2,776
Depreciation and amortization	2,661	3,131
Loss on sale of assets	62	137
Gain on insurance proceeds	0	(399)
Interest expense, net	167	2,855
Gain on settlement of related party liability	(37)	0
Loss on liquidation of subsidiary	0	348
Other income, net	(97)	(18)
Benefit from income taxes	0	(10)
Reportable Segment
Segment Reporting Information [Line Items]
Total revenue	20,834	19,242
Natural gas expense	10,406	8,817
Electricity for mining expense	782	1,245
Emissions expense	1,968	2,465
Hosting fee expense	137	148
Other cost of revenue	3,835	2,323
Segment gross profit	3,706	4,244
Selling, general and administrative	3,913	2,776
Depreciation and amortization	2,661	3,131
Loss on digital assets	1,621	988
Loss on sale of assets	62	137
Gain on insurance proceeds	0	(399)
Interest expense, net	167	2,855
Gain on settlement of related party liability	(37)	0
Loss on liquidation of subsidiary	0	348
Other income, net	(97)	(18)
Benefit from income taxes	0	(10)
Segment net loss	$ (4,584)	$ (5,564)