CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS (UNAUDITED) - USD ($)	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
REVENUE:
Total revenue	$ 19,333,000	$ 15,157,000
OPERATING COSTS AND EXPENSES:
Selling, general and administrative	5,487,000	9,013,000
Depreciation	3,234,000	3,820,000
Gain on sale of assets	0	1,744,000
Total operating costs and expenses	21,208,000	20,824,000
Operating loss	(1,875,000)	(5,667,000)
OTHER INCOME (EXPENSE), NET:
Interest expense, net	(1,802,000)	(3,573,000)
Gain on sale of digital assets	59,000	398,000
Change in fair value of warrant asset	(420,000)	0
Total other expense, net	(2,163,000)	(3,175,000)
Loss from continuing operations before income taxes	(4,038,000)	(8,842,000)
Benefit from income taxes	0	0
Net loss from continuing operations	(4,038,000)	(8,842,000)
Income from discontinued operations, net of tax	94,000	671,000
Net loss	(3,944,000)	(8,171,000)
Comprehensive Loss
Net loss	(3,944,000)	(8,171,000)
Foreign currency translation adjustment	(3,000)	17,000
Comprehensive loss	$ (3,947,000)	$ (8,154,000)
Net loss per share, basic and diluted:
Net loss per share from continuing operations, basic (in dollars per share)	$ (0.43)	$ (1.66)
Net loss per share from continuing operations, diluted (in dollars per share)	(0.43)	(1.66)
Income per share from discontinued operations, basic (in dollars per share)	0.01	0.13
Income per share from discontinued operations, diluted (in dollars per share)	0.01	0.13
Net loss per share, basic (in dollars per share)	(0.42)	(1.53)
Net loss per share, diluted (in dollars per share)	$ (0.42)	$ (1.53)
Weighted Average Number of Shares Outstanding Reconciliation [Abstract]
Basic (in shares)	9,494,000	5,343,000
Diluted (in shares)	9,494,000	5,343,000
Impairment Loss	$ 169,000	$ 0
Datacenter hosting
REVENUE:
Total revenue	9,112,000	6,944,000
OPERATING COSTS AND EXPENSES:
Cost of revenue	7,018,000	4,671,000
Cryptocurrency mining
REVENUE:
Total revenue	6,999,000	6,451,000
OPERATING COSTS AND EXPENSES:
Cost of revenue	3,671,000	3,248,000
Power and capacity
REVENUE:
Total revenue	3,037,000	1,762,000
OPERATING COSTS AND EXPENSES:
Cost of revenue	1,546,000	1,816,000
EPCM consulting services
REVENUE:
Total revenue	185,000	0
OPERATING COSTS AND EXPENSES:
Cost of revenue	$ 83,000	$ 0