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SEGMENT REPORTING - Long-lived Assets by Geographic Area (Details) - USD ($) $ in Thousands | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Revenues from External Customers and Long-Lived Assets [Line Items] |  |
Long-lived tangible assets | $ 27,473 | $ 3,537
Intellectual property operations |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |
Long-lived tangible assets | 201 | 324
Industrial operations |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |
Long-lived tangible assets | 2,155 | 3,213
Energy operations |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |
Long-lived tangible assets | 25,117 |
United States |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |
Long-lived tangible assets | 25,410 | 626
United States | Intellectual property operations |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |
Long-lived tangible assets | 201 | 324
United States | Industrial operations |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |
Long-lived tangible assets | 92 | 302
United States | Energy operations |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |
Long-lived tangible assets | 25,117 |
Malaysia |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |
Long-lived tangible assets | 1,949 | 2,703
Malaysia | Intellectual property operations |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |
Long-lived tangible assets | 0 | 0
Malaysia | Industrial operations |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |
Long-lived tangible assets | 1,949 | 2,703
Malaysia | Energy operations |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |
Long-lived tangible assets | 0 |
Other foreign countries |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |
Long-lived tangible assets | 114 | 208
Other foreign countries | Intellectual property operations |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |
Long-lived tangible assets | 0 | 0
Other foreign countries | Industrial operations |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |
Long-lived tangible assets | 114 | $ 208
Other foreign countries | Energy operations |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |
Long-lived tangible assets | $ 0 |

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- Definition Long-lived assets other than financial instruments, long-term customer relationships of a financial institution, mortgage and other servicing rights, deferred policy acquisition costs, and deferred tax assets. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 41 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-41 + Details
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