SEGMENT REPORTING - Revenue by Geographical Area (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ 23,310	$ 10,084	$ 73,468	$ 32,791
Intellectual property operations
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	486	1,760	19,442	6,330
Industrial operations
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	7,007	8,324	22,183	26,461
Energy operations
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	15,817		31,843
Americas
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	19,609	5,472	49,549	15,103
Americas | Intellectual property operations
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	485	1,758	7,881	3,325
Americas | Industrial operations
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	3,307	3,714	9,825	11,778
Americas | Energy operations
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	15,817		31,843
United States
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	19,374	5,232	48,827	13,802
United States | Intellectual property operations
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	483	1,756	7,878	2,815
United States | Industrial operations
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	3,074	3,476	9,106	10,987
United States | Energy operations
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	15,817		31,843
Canada and Latin America
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	235	240	722	1,301
Canada and Latin America | Intellectual property operations
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	2	2	3	510
Canada and Latin America | Industrial operations
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	233	238	719	791
Canada and Latin America | Energy operations
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	0		0
Europe, Middle East and Africa
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	1,689	1,840	5,872	6,767
Europe, Middle East and Africa | Intellectual property operations
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	0	0	0	0
Europe, Middle East and Africa | Industrial operations
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	1,689	1,840	5,872	6,767
Europe, Middle East and Africa | Energy operations
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	0		0
Asia Pacific
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	2,012	2,772	18,047	10,921
Asia Pacific | Intellectual property operations
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	1	2	11,561	3,005
Asia Pacific | Industrial operations
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	2,011	2,770	6,486	7,916
Asia Pacific | Energy operations
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	0		0
China
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	306	793	5,706	5,408
China | Intellectual property operations
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	0	0	4,650	3,000
China | Industrial operations
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	306	793	1,056	2,408
China | Energy operations
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	0		0
India
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	633	1,024	2,068	2,022
India | Intellectual property operations
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	0	0	0	0
India | Industrial operations
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	633	1,024	2,068	2,022
India | Energy operations
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	0		0
Asia-Pacific, excluding China and India
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	1,073	955	10,273	3,491
Asia-Pacific, excluding China and India | Intellectual property operations
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	1	2	6,911	5
Asia-Pacific, excluding China and India | Industrial operations
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	1,072	$ 953	3,362	$ 3,486
Asia-Pacific, excluding China and India | Energy operations
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ 0		$ 0