SEGMENT REPORTING - Assets (Details) - USD ($) $ in Thousands |
3 Months Ended | ||
|---|---|---|---|
Mar. 31, 2026 |
Mar. 31, 2025 |
Dec. 31, 2025 |
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| SEGMENT REPORTING | |||
| Consolidated total assets | $ 189,134 | $ 194,533 | |
| Corporate And Other | |||
| SEGMENT REPORTING | |||
| Consolidated total assets | 42,426 | 48,972 | |
| Battery-grade graphite business | |||
| SEGMENT REPORTING | |||
| Expenditures for battery-grade graphite business segment assets | 1,600 | $ 2,900 | |
| Battery-grade graphite business | Operating Segment | |||
| SEGMENT REPORTING | |||
| Consolidated total assets | $ 146,708 | $ 145,561 | |
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- Definition Amount of asset recognized for present right to economic benefit. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of expenditure for addition to long-lived assets included in determination of segment assets by chief operating decision maker (CODM) or otherwise regularly provided to CODM. Excludes expenditure for addition to financial instrument, long-term customer relationship of financial institution, mortgage and other servicing rights, deferred policy acquisition cost, and deferred tax assets. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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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. No definition available.
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