CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS (UNAUDITED) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
REVENUE:
Total revenue	$ 12,351,000	$ 20,879,000	$ 44,741,000	$ 50,746,000
OPERATING COSTS AND EXPENSES:
Selling, general and administrative	3,730,000	6,662,000	13,394,000	22,724,000
Depreciation	3,390,000	3,383,000	9,909,000	10,368,000
Impairment of long-lived assets	0	4,000,000	169,000	4,000,000
Gain on digital assets	(156,000)	0	(204,000)	0
Loss (gain) on sale of assets	693,000	0	661,000	(1,752,000)
Remeasurement of environmental liability	0	1,600,000	0	1,600,000
Total operating costs and expenses	16,961,000	31,000,000	54,867,000	73,171,000
Operating loss	(4,610,000)	(10,121,000)	(10,126,000)	(22,425,000)
OTHER INCOME (EXPENSE), NET:
Interest expense, net	(1,832,000)	(3,040,000)	(5,439,000)	(9,725,000)
Change in fair value of warrant asset	0	0	(420,000)	0
Gain on sale of digital assets	0	0	0	398,000
Other expense, net	0	0	0	(4,000)
Total other expense, net	(1,832,000)	(3,040,000)	(5,859,000)	(9,331,000)
Loss from continuing operations before income taxes	(6,442,000)	(13,161,000)	(15,985,000)	(31,756,000)
Benefit from income taxes	(118,000)	0	(118,000)	0
Net loss from continuing operations	(6,324,000)	(13,161,000)	(15,867,000)	(31,756,000)
Loss from discontinued operations, net of tax	(43,000)	(1,078,000)	(12,000)	(696,000)
Net loss	(6,367,000)	(14,239,000)	(15,879,000)	(32,452,000)
Comprehensive Loss
Net loss	(6,367,000)	(14,239,000)	(15,879,000)	(32,452,000)
Foreign currency translation adjustment	0	(12,000)	(3,000)	15,000
Comprehensive loss	$ (6,367,000)	$ (14,251,000)	$ (15,882,000)	$ (32,437,000)
Net (loss) income per share, basic and diluted:
Net loss per share from continuing operations, basic (in dollars per share)	$ (0.60)	$ (1.81)	$ (1.58)	$ (5.01)
Net loss per share from continuing operations, diluted (in dollars per share)	(0.60)	(1.81)	(1.58)	(5.01)
Loss per share from discontinued operations, basic (in dollars per share)	0.00	(0.15)	0	(0.11)
Loss per share from discontinued operations, diluted (in dollars per share)	0	(0.15)	0	(0.11)
Net loss per share, basic (in dollars per share)	(0.60)	(1.96)	(1.58)	(5.12)
Net loss per share, diluted (in dollars per share)	$ (0.60)	$ (1.96)	$ (1.58)	$ (5.12)
Weighted Average Number of Shares Outstanding Reconciliation
Weighted average shares outstanding, basic (in shares)	10,652,000	7,262,000	10,040,000	6,341,000
Weighted average shares outstanding, diluted (in shares)	10,652,000	7,262,000	10,040,000	6,341,000
Datacenter hosting
REVENUE:
Total revenue	$ 6,490,000	$ 12,136,000	$ 22,247,000	$ 28,740,000
OPERATING COSTS AND EXPENSES:
Cost of revenue	4,941,000	9,432,000	16,644,000	20,830,000
Cryptocurrency mining
REVENUE:
Total revenue	3,267,000	6,602,000	15,041,000	17,033,000
OPERATING COSTS AND EXPENSES:
Cost of revenue	2,599,000	4,458,000	9,504,000	10,639,000
Power and capacity
REVENUE:
Total revenue	2,594,000	2,141,000	7,118,000	4,973,000
OPERATING COSTS AND EXPENSES:
Cost of revenue	1,764,000	1,465,000	4,607,000	4,762,000
EPCM consulting services
REVENUE:
Total revenue	0	0	335,000	0
OPERATING COSTS AND EXPENSES:
Cost of revenue	$ 0	$ 0	$ 183,000	$ 0