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SUBSEQUENT EVENTS (Details) |  |  |  |  |  |  |  | 1 Months Ended | 11 Months Ended | 12 Months Ended |  |  |  |  |  |  |  |
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Apr. 01, 2024 USD ($) $ / shares shares | Mar. 23, 2023 USD ($) item | Mar. 16, 2023 USD ($) | Mar. 15, 2023 USD ($) | Mar. 01, 2023 USD ($) shares | Feb. 23, 2023 item $ / shares shares | Jan. 30, 2023 USD ($) $ / shares shares | Feb. 28, 2023 USD ($) $ / shares shares | Oct. 31, 2022 USD ($) $ / shares shares | Apr. 30, 2022 USD ($) $ / shares shares | Mar. 31, 2022 USD ($) shares | Dec. 31, 2021 USD ($) $ / shares shares | Dec. 31, 2022 USD ($) $ / shares shares | Apr. 01, 2025 | Mar. 31, 2023 USD ($) | Mar. 30, 2023 USD ($) | Feb. 22, 2023 shares | Aug. 27, 2022 | Dec. 01, 2021 USD ($) | Mar. 31, 2021 $ / shares shares | Feb. 28, 2021 $ / shares shares
SUBSEQUENT EVENTS |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock par value | $ / shares |  |  |  |  |  |  |  |  |  |  |  | $ 0.001 | $ 0.001 |  |  |  |  |  |  | $ 0.001 | $ 0.001
Common stock shares authorized |  |  |  |  |  |  |  |  |  |  |  | 200,000,000 | 200,000,000 |  |  |  |  |  |  | 200,000,000 | 200,000,000
Preferred stock par value | $ / shares |  |  |  |  |  |  |  |  |  |  |  | $ 0.001 | $ 0.001 |  |  |  |  |  |  | $ 0.001 | $ 0.001
Preferred stock shares authorized |  |  |  |  |  |  |  |  |  |  |  | 25,000,000 | 25,000,000 |  |  |  |  |  |  | 25,000,000 | 25,000,000
Warrants to purchase shares |  |  |  |  |  |  |  |  | 2,667,678 |  |  |  |  |  |  |  |  |  |  |  |
Warrant exercise price (in dollars per share) | $ / shares |  |  |  |  |  |  |  |  | $ 1.93 |  |  |  |  |  |  |  |  |  |  |  |
Aggregate purchase price of shares | $ |  |  |  |  |  |  |  |  | $ 9,400,000 |  |  | $ 104,318,000 | $ 58,860,000 |  |  |  |  |  |  |  |
Number of shares of common stock |  |  |  |  |  |  |  |  | 7,481,747 |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from issuance of common stock | $ |  |  |  |  |  |  |  |  | $ 5,100,000 |  |  | $ 104,376,000 | $ 47,326,000 |  |  |  |  |  |  |  |
Nautilus Joint Venture |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
SUBSEQUENT EVENTS |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Ownership interest in the Joint Venture |  |  |  |  |  |  |  |  |  |  |  |  | 25.20% |  |  |  |  | 33.00% |  |  |
Private Placement |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
SUBSEQUENT EVENTS |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Aggregate purchase price of shares | $ |  |  |  |  |  |  |  |  |  | $ 5,000,000.0 | $ 2,100,000 |  |  |  |  |  |  |  |  |  |
Number of shares of common stock |  |  |  |  |  |  |  |  |  | 634,517 | 271,447 |  |  |  |  |  |  |  |  |  |
Offering |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
SUBSEQUENT EVENTS |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock par value | $ / shares |  |  |  |  |  |  |  |  |  | $ 0.001 |  |  |  |  |  |  |  |  |  |  |
Number of shares of common stock |  |  |  |  |  |  |  |  |  | 2,985,966 |  |  |  |  |  |  |  |  |  |  |
Proceeds from issuance of common stock | $ |  |  |  |  |  |  |  |  |  | $ 20,600,000 |  |  |  |  |  |  |  |  |  |  |
Term Loan |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
SUBSEQUENT EVENTS |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Principal amount of debt | $ |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 123,500,000 |  |
New Convertible Promissory Note |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
SUBSEQUENT EVENTS |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Unpaid interest converted into shares of common stock |  |  |  |  |  |  |  |  |  |  | 3,134,932 |  |  |  |  |  |  |  |  |  |
New Convertible Promissory Note | Private Placement |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
SUBSEQUENT EVENTS |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Aggregate gross sales price | $ |  |  |  |  |  |  | $ 5,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Second A&R Nautilus Agreement | Nautilus Joint Venture |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
SUBSEQUENT EVENTS |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Estimated power costs funding period |  | 1 month |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Budgeted expenditures funding period |  | 2 months |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsequent Events |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
SUBSEQUENT EVENTS |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of proposals approved | item |  |  |  |  |  | 2 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock par value | $ / shares |  |  |  |  |  | $ 0.001 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock shares authorized |  |  |  |  |  | 400,000,000 |  |  |  |  |  |  |  |  |  |  | 200,000,000 |  |  |  |
Preferred stock par value | $ / shares |  |  |  |  |  | $ 0.001 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred stock shares authorized |  |  |  |  |  | 100,000,000 |  |  |  |  |  |  |  |  |  |  | 25,000,000 |  |  |  |
Number of shares of common stock |  |  |  |  | 40,764,706 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from issuance of common stock | $ |  |  |  |  | $ 26,600,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance at bank | $ |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 900,000 |  |  |  |  |
Subsequent Events | Beowulf E&D |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
SUBSEQUENT EVENTS |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Annual based fee payable | $ |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 8,460,000 |  |  |  |  |  |
Subsequent Events | Offering |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
SUBSEQUENT EVENTS |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share price (in dollars per share) | $ / shares |  |  |  |  |  |  |  | $ 0.68 |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares of common stock |  |  |  |  |  |  |  | 36,764,706 |  |  |  |  |  |  |  |  |  |  |  |  |
Term of over allotment option |  |  |  |  |  |  |  | 30 days |  |  |  |  |  |  |  |  |  |  |  |  |
Number of additional shares granted |  |  |  |  |  |  |  | 5,514,705 |  |  |  |  |  |  |  |  |  |  |  |  |
Number of common stock elected to purchase |  |  |  |  |  |  |  | 4,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Subsequent Events | New Convertible Promissory Note |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
SUBSEQUENT EVENTS |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate |  |  |  |  |  |  |  |  |  |  |  |  |  | 4.00% |  |  |  |  |  |  |
Subsequent Events | New Convertible Promissory Note | Private Placement |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
SUBSEQUENT EVENTS |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Principal amount of debt | $ |  |  |  |  |  |  | $ 1,250,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsequent Events | Term Sheet | Term Loan |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
SUBSEQUENT EVENTS |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Repayments of debt | $ | $ 40,000,000.0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsequent Events | Term Sheet | Minimum | Term Loan |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
SUBSEQUENT EVENTS |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Aggregate net proceeds issuance of equity or equity-linked securities | $ |  |  |  | $ 33,500,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsequent Events | Warrant agreement |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
SUBSEQUENT EVENTS |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from additional capital raise | $ |  |  | $ 5,000,000.0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsequent Events | Warrant agreement | Penny Warrants |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
SUBSEQUENT EVENTS |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrants to purchase shares | 26,666,669 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of common stock on fully diluted equity | 10.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrant exercise price (in dollars per share) | $ / shares | $ 0.01 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsequent Events | Warrant agreement | Dollar Warrants |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
SUBSEQUENT EVENTS |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrants to purchase shares | 13,333,333 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of common stock on fully diluted equity | 5.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrant exercise price (in dollars per share) | $ / shares | $ 1.00 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsequent Events | Warrant subscription agreement | Warrant Investors | Private Placement |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
SUBSEQUENT EVENTS |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrants to purchase shares |  |  |  |  |  |  | 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrants issued |  |  |  |  |  |  | 2,380,952 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrant exercise price (in dollars per share) | $ / shares |  |  |  |  |  |  | $ 0.00001 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsequent Events | Warrant subscription agreement | January 2023 Warrants | Private Placement |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
SUBSEQUENT EVENTS |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Aggregate net proceeds issuance of equity or equity-linked securities | $ |  |  |  |  |  |  | $ 2,500,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share price (in dollars per share) | $ / shares |  |  |  |  |  |  | $ 1.05 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares of common stock |  |  |  |  |  |  | 2,380,952 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsequent Events | Exchange Agreement |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
SUBSEQUENT EVENTS |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of preferred shares converted |  |  |  |  |  |  | 12,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsequent Events | New Exchange Warrants |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
SUBSEQUENT EVENTS |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
New exchange warrants issued |  |  |  |  |  |  | 12,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Strike price | $ / shares |  |  |  |  |  |  | $ 0.00001 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsequent Events | Subscription agreements with February Common Stock Investors |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
SUBSEQUENT EVENTS |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share price (in dollars per share) | $ / shares |  |  |  |  |  |  |  | $ 0.68 |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares of common stock |  |  |  |  |  |  |  | 1,386,467 |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from private placement | $ |  |  |  |  |  |  |  | $ 886,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Subsequent Events | Second A&R Nautilus Agreement | Nautilus Joint Venture |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
SUBSEQUENT EVENTS |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Ownership interest in the Joint Venture |  | 25.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Bitcoin distributions, number of weeks | $ |  | 2 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of managers appointed | item |  | 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Maximum operating capacity (MW) | $ |  | 200 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total operating capacity | $ |  | 300 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsequent Events | Second A&R Nautilus Agreement | Nautilus Joint Venture | Talen |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
SUBSEQUENT EVENTS |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Ownership interest in the Joint Venture |  | 75.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Maximum increase in operating capacity | $ |  | 100 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsequent Events | Second A&R Nautilus Agreement | Nautilus Joint Venture | Cumulus |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
SUBSEQUENT EVENTS |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of managers appointed | item |  | 4 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

X
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- Definition Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=123467817&loc=d3e21475-112644 + Details
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- Definition Face amount or stated value per share of common stock. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(29)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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- Definition The number of shares converted in a noncash (or part noncash) transaction. Noncash is defined as transactions during a period that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=123431023&loc=d3e4313-108586 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=123431023&loc=d3e4304-108586 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=123431023&loc=d3e4332-108586 + Details
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- Definition The value of the financial instrument(s) that the original debt is being converted into in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=123431023&loc=d3e4304-108586 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=123431023&loc=d3e4332-108586 + Details
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