CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS (UNAUDITED) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
REVENUE:
Total revenue	$ 12,861,000	$ 13,057,000	$ 32,103,000	$ 32,390,000
OPERATING COSTS AND EXPENSES:
Selling, general and administrative	3,106,000	4,240,000	5,882,000	9,633,000
Depreciation	3,179,000	3,285,000	6,310,000	6,519,000
Impairment of long-lived assets	0	0	0	169,000
Loss (gain) on digital assets	(2,098,000)	11,000	(1,110,000)	(48,000)
Loss (gain) on sale of assets	218,000	(32,000)	355,000	(32,000)
Gain on insurance proceeds	0	0	(399,000)	0
Total operating costs and expenses	16,256,000	16,820,000	37,887,000	37,875,000
Operating loss	(3,395,000)	(3,763,000)	(5,784,000)	(5,485,000)
OTHER INCOME (EXPENSE), NET:
Interest expense, net	(758,000)	(1,805,000)	(3,613,000)	(3,607,000)
Change in fair value of warrant asset	0	0	0	(420,000)
Loss on liquidation of subsidiary	0	0	(348,000)	0
Other income, net	1,000	0	19,000	0
Total other expense, net	(757,000)	(1,805,000)	(3,942,000)	(4,027,000)
Loss from operations before income taxes	(4,152,000)	(5,568,000)	(9,726,000)	(9,512,000)
Benefit from income taxes	(34,000)	0	(44,000)	0
Net loss	(4,118,000)	(5,568,000)	(9,682,000)	(9,512,000)
Comprehensive Loss
Net loss	(4,118,000)	(5,568,000)	(9,682,000)	(9,512,000)
Foreign currency translation adjustment	0	0	0	(3,000)
Reclassification of foreign currency translation adjustment realized upon liquidation of foreign subsidiary	0	0	348,000	0
Comprehensive loss	$ (4,118,000)	$ (5,568,000)	$ (9,334,000)	$ (9,515,000)
Net loss per share, basic and diluted:
Net loss per share, basic (in dollars per share)	$ (0.27)	$ (0.56)	$ (0.66)	$ (0.98)
Net loss per share, diluted (in dollars per share)	$ (0.27)	$ (0.56)	$ (0.66)	$ (0.98)
Weighted average shares outstanding, basic (in shares)	15,246,000	9,966,000	14,596,000	9,730,000
Weighted average shares outstanding, diluted (in shares)	15,246,000	9,966,000	14,596,000	9,730,000
Datacenter hosting
REVENUE:
Total revenue	$ 6,036,000	$ 6,795,000	$ 11,865,000	$ 16,092,000
OPERATING COSTS AND EXPENSES:
Cost of revenue	6,577,000	4,785,000	12,768,000	11,886,000
Cryptocurrency mining
REVENUE:
Total revenue	4,235,000	4,775,000	8,461,000	11,774,000
OPERATING COSTS AND EXPENSES:
Cost of revenue	2,963,000	3,234,000	6,045,000	6,905,000
Power and capacity
REVENUE:
Total revenue	2,590,000	1,487,000	11,777,000	4,524,000
OPERATING COSTS AND EXPENSES:
Cost of revenue	$ 2,311,000	$ 1,297,000	$ 8,036,000	$ 2,843,000