SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details)					3 Months Ended		15 Months Ended	19 Months Ended	23 Months Ended
	Feb. 12, 2024 USD ($)	Nov. 09, 2023 USD ($) a MW	Jan. 30, 2023 USD ($)	Apr. 07, 2022 USD ($)	Mar. 31, 2024 USD ($) MW	Mar. 31, 2023 USD ($)	Jun. 30, 2023 USD ($)	May 15, 2024 USD ($)	Mar. 31, 2024 USD ($) MW	Jun. 30, 2024 MW	Apr. 10, 2024 a ft²	Dec. 31, 2023 USD ($)	Oct. 03, 2022 USD ($)
Debt Instrument [Line Items]
Cash, restricted cash and cash equivalents					$ 14,337,000				$ 14,337,000			$ 13,312,000
Other current assets					16,500,000				16,500,000
Accounts payable and accrued expenses					6,900,000				6,900,000
Accrued emissions expense					12,256,000				12,256,000			10,520,000
Current liabilities held for sale					321,000				321,000			483,000
Other short-term liabilities					150,000				150,000			0
Short-term environmental liability					663,000				663,000			$ 363,000
Working capital					10,600,000				10,600,000
Interest payments due in the next twelve months					6,100,000				$ 6,100,000
Proceeds from sale of assets					$ 380,000	$ 592,000	$ 11,700,000
South Carolina, United States
Debt Instrument [Line Items]
Warehouse space acquired (in square feet) | a		153
Columbus, Mississippi | Industrial Warehouse | Forecast
Debt Instrument [Line Items]
Power associated with facility | MW										32.5
Miners to be deployed to new facility | MW										7
NORTH DAKOTA
Debt Instrument [Line Items]
Miners to be deployed to new facility | MW					7.5				7.5
Mining lease term					5 years
Discontinued Operations, Disposed of by Sale | South Carolina Datacenter
Debt Instrument [Line Items]
Power associated with facility | MW		44
Area of land sold (in acres) | a		22
Consideration received from sale of land		$ 28,000,000
Cash received from disposal		4,500,000
Bonus received from disposal		1,600,000
Gain recognized on sale of facility		8,200,000
Refinanced 2021 and 2022 Master Equipment Finance Agreement | Secured Debt
Debt Instrument [Line Items]
Remaining principal balance, interest payments			$ 2,000,000
Principal and interest payments			$ 62,700,000
Senior Notes Due January 2025 [Member] | Senior Notes | Discontinued Operations, Disposed of by Sale | South Carolina Datacenter
Debt Instrument [Line Items]
Extinguishment of debt		17,700,000
Secured Promissory Note | Discontinued Operations, Disposed of by Sale | South Carolina Datacenter | Secured Debt
Debt Instrument [Line Items]
Extinguishment of debt		$ 4,100,000
At The Market Issuance Sales Agreement
Debt Instrument [Line Items]
Maximum aggregate consideration to be received on transaction													$ 22,800,000
Securities Purchase Agreement
Debt Instrument [Line Items]
Net proceeds received	$ 6,000,000
Equity Purchase Agreement
Debt Instrument [Line Items]
Net proceeds received					$ 300,000				$ 8,000,000
Maximum aggregate consideration to be received on transaction				$ 500,000,000
Sale of stock, period				24 months
Subsequent Event | Columbus, Mississippi
Debt Instrument [Line Items]
Area of land acquired (in acres) | a											12
Subsequent Event | Columbus, Mississippi | Industrial Warehouse
Debt Instrument [Line Items]
Warehouse space acquired (in square feet) | ft²											73,000
Subsequent Event | At The Market Issuance Sales Agreement
Debt Instrument [Line Items]
Net proceeds received								$ 20,700,000