SIGNIFICANT ACCOUNTING POLICIES - Narrative (Details)	12 Months Ended
	Dec. 31, 2023 USD ($) operatingSegment miningPoolOperator supplier $ / shares MW shares	Dec. 31, 2022 USD ($)	Feb. 28, 2023 USD ($)	Oct. 31, 2022 $ / shares	Aug. 31, 2022	Dec. 31, 2021 MW
Significant Accounting Policies [Line Items]
Quoted price of bitcoin	$ 38,000
Miner hosting revenue	7,500,000	$ 4,600,000
Power curtailment credits	3,500,000	100,000
Cash and cash equivalents	54,439,000	1,279,000
Cash exceeding FDIC limit	17,900,000
Restricted cash	0	7,044,000
Impairment of digital currency	$ 3,043,000	1,457,000
Number suppliers for bitcoin miners | supplier	2
Number of mining pool operators | miningPoolOperator	1
Power block allocated to facility | MW	2
Deposits on miners	$ 36,500,000	57,600,000
Impairment of long-lived assets	$ 0	0
Percentage of changes In debt value and net presents value of future cash flows	10.00%
Other income	$ 39,000	$ 0
Number of common stock issued upon conversion of preferred stock (in shares) | shares	1,100,000
Warrants outstanding (in shares) | shares	49,120,642
Exercise price of warrants (in dollars per share) | $ / shares	$ 0.58			$ 1.93
Number of operating segment | operatingSegment	1
Signature Bank
Significant Accounting Policies [Line Items]
Cash			$ 900,000
Nautilus
Significant Accounting Policies [Line Items]
Maximum operating capacity | MW						300
Nautilus Joint Venture
Significant Accounting Policies [Line Items]
Ownership interest in the joint venture	25.00%				33.00%
Data center hosting customer | Revenue Benchmark | Customer Concentration Risk
Significant Accounting Policies [Line Items]
Concentration risk percentage	10.90%	20.80%
Restricted Stock Units (RSUs)
Significant Accounting Policies [Line Items]
Number of shares outstanding (in shares) | shares	6,342,141
Digital Currency
Significant Accounting Policies [Line Items]
Impairment of digital currency	$ 3,000,000	$ 1,500,000
Equipment
Significant Accounting Policies [Line Items]
Property, plant and equipment, useful life	5 years
Miners
Significant Accounting Policies [Line Items]
Property, plant and equipment, useful life	4 years