SEGMENT REPORTING (Tables)

3 Months Ended

Mar. 31, 2025

Segment Reporting [Abstract]

Reconciliation of Operating Profit (Loss) from Segments to Consolidated

The Company’s reportable segment information is as follows:

	Three Months Ended March 31, 2025
	Intellectual Property Operations		Industrial Operations		Energy Operations		Manufacturing Operations		Total
	(In thousands)
Revenues:
License fees	$	69,905	$	—	$	—	$	—	$	69,905
Revenues - industrial operations	—		7,676		—		—		7,676
Oil sales	—		—		7,948		—		7,948
Natural gas sales	—		—		5,340		—		5,340
Natural gas liquids sales	—		—		4,665		—		4,665
Other service sales	—		—		353		—		353
Air distribution	—		—		—		9,856		9,856
Safety products	—		—		—		10,128		10,128
Office products	—		—		—		8,551		8,551
Total revenues	69,905		7,676		18,306		28,535		124,422
Cost of revenues:
Cost of sales - intellectual property operations	27,912		—		—		—		27,912
Cost of sales - industrial operations	—		4,064		—		—		4,064
Cost of sales - manufacturing operations	—		—		—		20,811		20,811
Cost of production	—		—		12,698		—		12,698
Total cost of revenues	27,912		4,064		12,698		20,811		65,485
Segment gross (loss) profit	41,993		3,612		5,608		7,724		58,937
Other operating expenses:
General and administrative expenses and sales and engineering expenses	3,485		3,310		1,607		7,453		15,855
Total other operating expenses	3,485		3,310		1,607		7,453		15,855
Segment operating income (loss)	$	38,508	$	302	$	4,001	$	271	43,082
Parent general and administrative expenses									$	4,777
Operating income (loss)									$	38,305
Total other (expense) income									$	(8,696)
Income (loss) before income taxes									$	29,609

	Three Months Ended March 31, 2024
	Intellectual Property Operations		Industrial Operations		Energy Operations		Manufacturing Operations		Total
	(In thousands)
Revenues:
License fees	$	13,623	$	—	$	—	$	—	$	13,623
Revenues - industrial operations	—		8,841		—		—		8,841
Oil sales	—		—		661		—		661
Natural gas sales	—		—		730		—		730
Natural gas liquids sales	—		—		465		—		465
Total revenues	13,623		8,841		1,856		—		24,320
Cost of revenues:
Cost of sales - intellectual property operations	7,001		—		—		—		7,001
Cost of sales - industrial operations	—		4,049		—		—		4,049
Cost of production	—		—		1,315		—		1,315
Total cost of revenues	7,001		4,049		1,315		—		12,365
Segment gross (loss) profit	6,622		4,792		541		—		11,955
Other operating expenses:
General and administrative expenses and sales and engineering expenses	3,340		3,580		385		—		7,305
Total other operating expenses	3,340		3,580		385		—		7,305
Segment operating income (loss)	$	3,282	$	1,212	$	156	$	—	4,650
Parent general and administrative expenses									$	6,737
Operating income (loss)									$	(2,087)
Total other (expense) income									$	789
Income (loss) before income taxes									$	(1,298)

Schedule of Segment Reporting Information, by Segment

	March 31, 2025		December 31, 2024
	(In thousands)
Total parent assets	137,414		150,033
Segment total assets:
Intellectual property operations	277,546		213,854
Industrial operations	48,881		48,438
Energy operations	203,693		209,355
Manufacturing operations	134,072		134,714
Total assets	$	801,606	$	756,394

Revenue from External Customers by Geographic Areas

	Three Months Ended March 31, 2025
	Intellectual Property Operations		Industrial Operations		Energy Operations		Manufacturing Operations		Total
Revenues by geographic area:
United States	$	69,903	$	2,938	$	18,306	$	17,799	$	108,946
Canada and Latin America	—		290		—		6,069		6,359
Total Americas	69,903		3,228		18,306		23,868		115,305
Europe, Middle East and Africa	—		2,330		—		1,124		3,454
China	—		372		—		3,543		3,915
India	—		624		—		—		624
Asia-Pacific, excluding China and India	2		1,122		—		—		1,124
Total Asia-Pacific	2		2,118		—		3,543		5,663
Total revenues	$	69,905	$	7,676	$	18,306	$	28,535	$	124,422

	Three Months Ended March 31, 2024
	Intellectual Property Operations		Industrial Operations		Energy Operations		Manufacturing Operations		Total
Revenues by geographic area:
United States	$	2,064	$	3,159	$	1,856	$	—	$	7,079
Canada and Latin America	1		266		—		—		267
Total Americas	2,065		3,425		1,856		—		7,346
Europe, Middle East and Africa	—		2,478		—		—		2,478
China	4,650		518		—		—		5,168
India	—		918		—		—		918
Asia-Pacific, excluding China and India	6,908		1,502		—		—		8,410
Total Asia-Pacific	11,558		2,938		—		—		14,496
Total revenues	$	13,623	$	8,841	$	1,856	$	—	$	24,320

Long-lived Assets by Geographic Areas

	March 31, 2025
	Intellectual Property Operations		Industrial Operations		Energy Operations		Manufacturing Operations		Total
	(In thousands)
Long-lived tangible assets by geographic area:
United States	$	111	$	209	$	190,245	$	7,219	$	197,784
Canada	—		—		—		7,069		7,069
Europe	—		224		—		4,172		4,396
Asia-Pacific	—		698		—		2,511		3,209
Total	$	111	$	1,131	$	190,245	$	20,971	$	212,458

	December 31, 2024
	Intellectual Property Operations		Industrial Operations		Energy Operations		Manufacturing Operations		Total
	(In thousands)
Long-lived tangible assets by geographic area:
United States	$	126	$	220	$	192,435	$	7,685	$	200,466
Canada	—		—		—		7,225		7,225
Europe	—		99		—		4,257		4,356
Asia-Pacific	—		925		—		2,573		3,498
Total	$	126	$	1,244	$	192,435	$	21,740	$	215,545