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SEGMENT REPORTING - Segment Income and Expense (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022
Revenues: |  |
Revenues | $ 125,102 | $ 59,223
Cost of revenues: |  |
Inventor royalties | 1,025 | 1,212
Contingent legal fees | 10,998 | 2,444
Litigation and licensing expenses | 10,771 | 3,970
Amortization of patents | 11,370 | 10,403
Cost of sales | 18,009 | 19,359
Cost of production | 656 |
Total cost of revenues | 52,829 | 37,388
Segment gross (loss) profit | 72,273 | 21,835
Other operating expenses: |  |
Engineering and development expenses - industrial operations | 735 | 626
Sales and marketing expenses - industrial operations | 6,908 | 8,621
Amortization of intangible assets | 13,100 | 12,100
General and administrative expenses | 43,694 | 52,680
Operating income (loss) | 20,936 | (40,092)
Total other income (expense) | 46,490 | (87,058)
Income (loss) before income taxes | 67,426 | (127,150)
Parent Company |  |
Other operating expenses: |  |
General and administrative expenses | 27,306 | 37,266
Operating Segments |  |
Other operating expenses: |  |
Engineering and development expenses - industrial operations | 735 | 626
Sales and marketing expenses - industrial operations | 6,908 | 8,621
Amortization of intangible assets | 1,732 | 1,732
General and administrative expenses | 14,656 | 13,682
Total other operating expenses | 24,031 | 24,661
Operating income (loss) | 48,242 | (2,826)
Intellectual property operations |  |
Revenues: |  |
Revenues | 89,156 | 19,508
Cost of revenues: |  |
Inventor royalties | 1,025 | 1,212
Contingent legal fees | 10,998 | 2,444
Litigation and licensing expenses | 10,771 | 3,970
Amortization of patents | 11,370 | 10,403
Cost of sales | 0 | 0
Cost of production | 0 |
Total cost of revenues | 34,164 | 18,029
Segment gross (loss) profit | 54,992 | 1,479
Intellectual property operations | Operating Segments |  |
Other operating expenses: |  |
Engineering and development expenses - industrial operations | 0 | 0
Sales and marketing expenses - industrial operations | 0 | 0
Amortization of intangible assets | 0 | 0
General and administrative expenses | 7,402 | 5,428
Total other operating expenses | 7,402 | 5,428
Operating income (loss) | 47,590 | (3,949)
Industrial operations |  |
Revenues: |  |
Revenues | 35,098 | 39,715
Cost of revenues: |  |
Inventor royalties | 0 | 0
Contingent legal fees | 0 | 0
Litigation and licensing expenses | 0 | 0
Amortization of patents | 0 | 0
Cost of sales | 18,009 | 19,359
Cost of production | 0 |
Total cost of revenues | 18,009 | 19,359
Segment gross (loss) profit | 17,089 | 20,356
Industrial operations | Operating Segments |  |
Other operating expenses: |  |
Engineering and development expenses - industrial operations | 735 | 626
Sales and marketing expenses - industrial operations | 6,908 | 8,621
Amortization of intangible assets | 1,732 | 1,732
General and administrative expenses | 6,990 | 8,254
Total other operating expenses | 16,365 | 19,233
Operating income (loss) | 724 | 1,123
Energy operations |  |
Revenues: |  |
Revenues | 848 |
Cost of revenues: |  |
Inventor royalties | 0 |
Contingent legal fees | 0 |
Litigation and licensing expenses | 0 |
Amortization of patents | 0 |
Cost of sales | 0 |
Cost of production | 656 |
Total cost of revenues | 656 |
Segment gross (loss) profit | 192 |
Energy operations | Operating Segments |  |
Other operating expenses: |  |
Engineering and development expenses - industrial operations | 0 |
Sales and marketing expenses - industrial operations | 0 |
Amortization of intangible assets | 0 |
General and administrative expenses | 264 |
Total other operating expenses | 264 |
Operating income (loss) | (72) |
License fees |  |
Revenues: |  |
Revenues | 89,156 | 19,508
License fees | Intellectual property operations |  |
Revenues: |  |
Revenues | 89,156 | 19,508
License fees | Industrial operations |  |
Revenues: |  |
Revenues | 0 | 0
License fees | Energy operations |  |
Revenues: |  |
Revenues | 0 |
Printers and parts |  |
Revenues: |  |
Revenues | 12,513 | 16,118
Printers and parts | Intellectual property operations |  |
Revenues: |  |
Revenues | 0 | 0
Printers and parts | Industrial operations |  |
Revenues: |  |
Revenues | 12,513 | 16,118
Printers and parts | Energy operations |  |
Revenues: |  |
Revenues | 0 |
Consumable products |  |
Revenues: |  |
Revenues | 19,091 | 19,314
Consumable products | Intellectual property operations |  |
Revenues: |  |
Revenues | 0 | 0
Consumable products | Industrial operations |  |
Revenues: |  |
Revenues | 19,091 | 19,314
Consumable products | Energy operations |  |
Revenues: |  |
Revenues | 0 |
Services |  |
Revenues: |  |
Revenues | 3,494 | 4,283
Services | Intellectual property operations |  |
Revenues: |  |
Revenues | 0 | 0
Services | Industrial operations |  |
Revenues: |  |
Revenues | 3,494 | $ 4,283
Services | Energy operations |  |
Revenues: |  |
Revenues | 0 |
Oil sales |  |
Revenues: |  |
Revenues | 256 |
Oil sales | Intellectual property operations |  |
Revenues: |  |
Revenues | 0 |
Oil sales | Industrial operations |  |
Revenues: |  |
Revenues | 0 |
Oil sales | Energy operations |  |
Revenues: |  |
Revenues | 256 |
Natural gas sales |  |
Revenues: |  |
Revenues | 372 |
Natural gas sales | Intellectual property operations |  |
Revenues: |  |
Revenues | 0 |
Natural gas sales | Industrial operations |  |
Revenues: |  |
Revenues | 0 |
Natural gas sales | Energy operations |  |
Revenues: |  |
Revenues | 372 |
Natural gas liquids sales |  |
Revenues: |  |
Revenues | 220 |
Natural gas liquids sales | Intellectual property operations |  |
Revenues: |  |
Revenues | 0 |
Natural gas liquids sales | Industrial operations |  |
Revenues: |  |
Revenues | 0 |
Natural gas liquids sales | Energy operations |  |
Revenues: |  |
Revenues | $ 220 |

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