BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Basis of Presentation (Details) $ in Thousands, ¥ in Millions |
3 Months Ended | 12 Months Ended | ||||
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May 12, 2026
USD ($)
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Mar. 31, 2026
USD ($)
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Mar. 31, 2025
USD ($)
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Dec. 31, 2025
USD ($)
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Apr. 03, 2026
USD ($)
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Apr. 03, 2026
JPY (¥)
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| Schedule of Equity Method Investments [Line Items] | ||||||
| Net loss | $ (140) | $ (268) | $ 1,000 | |||
| Cash used in operating activities | $ 69 | $ (272) | $ 1,400 | |||
| Asakura Energy Storage Power Plant | Subsequent Event | ||||||
| Schedule of Equity Method Investments [Line Items] | ||||||
| Ownership interest, percentage | 35.00% | 35.00% | ||||
| Total expected investment commitment | $ 1,100 | ¥ 175.0 | ||||
| Investment to commitment | $ 535 | |||||
| Remaining balance, expected to be funded | $ 565 | |||||
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- Definition Equity Method Investment, Remaining Balance, Expected To Be Funded No definition available.
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- Definition The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of cash inflow (outflow) from operating activity, including, but not limited to, discontinued operation. Operating activity includes, but is not limited to, transaction, adjustment, and change in value not defined as investing or financing activity. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition The cash outflow associated with the investment in or advances to an entity in which the reporting entity shares control of the entity with another party or group. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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