SEGMENT REPORTING (Tables)

3 Months Ended

Mar. 31, 2024

Segment Reporting [Abstract]

Reconciliation of Operating Profit (Loss) from Segments to Consolidated

The Company's segment information is as follows:

	Three Months Ended March 31, 2024
	Intellectual Property Operations		Industrial Operations		Energy Operations		Total
	(In thousands)
Revenues:
License fees	$	13,623	$	—	$	—	$	13,623
Printers and parts	—		3,065		—		3,065
Consumable products	—		5,013		—		5,013
Services	—		763		—		763
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:
Inventor royalties	606		—		—		606
Contingent legal fees	1,824		—		—		1,824
Litigation and licensing expenses	1,138		—		—		1,138
Amortization of patents	3,433		—		—		3,433
Cost of sales	—		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 profit	6,622		4,792		541		11,955
Other operating expenses:
Engineering and development expenses	—		134		—		134
Sales and marketing expenses	—		1,555		—		1,555
Amortization of intangible assets	—		433		—		433
General and administrative expenses	3,340		1,458		385		5,183
Total other operating expenses	3,340		3,580		385		7,305
Segment operating income	$	3,282	$	1,212	$	156	4,650
Parent general and administrative expenses							6,737
Operating loss							(2,087)
Total other income							789
Loss before income taxes							$	(1,298)

	Three Months Ended March 31, 2023
	Intellectual Property Operations		Industrial Operations		Total
	(In thousands)
Revenues:
License fees	$	4,176	$	—	$	4,176
Printers and parts	—		4,464		4,464
Consumable products	—		5,170		5,170
Services	—		993		993
Total revenues	4,176		10,627		14,803
Cost of revenues:
Inventor royalties	221		—		221
Contingent legal fees	532		—		532
Litigation and licensing expenses	1,384		—		1,384
Amortization of patents	2,601		—		2,601
Cost of sales	—		5,220		5,220
Total cost of revenues	4,738		5,220		9,958
Segment gross profit	(562)		5,407		4,845
Other operating expenses:
Engineering and development expenses	—		216		216
Sales and marketing expenses	—		1,913		1,913
Amortization of intangible assets	—		433		433
General and administrative expenses	1,897		2,285		4,182
Total other operating expenses	1,897		4,847		6,744
Segment operating (loss) income	$	(2,459)	$	560	(1,899)
Parent general and administrative expenses					7,425
Operating income loss					(9,324)
Total other income					21,254
Income before income taxes					$	11,930

Schedule of Segment Reporting Information, by Segment

	March 31, 2024		December 31, 2023
	(In thousands)
Equity securities investments:
Equity securities	$	22,918	$	63,068
Equity securities without readily determinable fair value	5,816		5,816
Equity method investments	30,934		30,934
Total parent equity securities investments	59,668		99,818
Other parent assets	261,185		218,909
Segment total assets:
Intellectual property operations	227,050		234,254
Industrial operations	48,863		47,854
Energy operations	34,959		32,710
Total assets	$	631,725	$	633,545

Revenue from External Customers by Geographic Areas

	Three Months Ended March 31, 2024
	Intellectual Property Operations		Industrial Operations		Energy Operations		Total
	(In thousands)
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

	Three Months Ended March 31, 2023
	Intellectual Property Operations		Industrial Operations		Total
	(In thousands)
Revenues by geographic area:
United States	$	673	$	4,234	$	4,907
Canada and Latin America	501		219		720
Total Americas	1,174		4,453		5,627
Europe, Middle East and Africa	—		2,965		2,965
China	3,000		843		3,843
India	—		828		828
Asia-Pacific, excluding China and India	2		1,538		1,540
Total Asia-Pacific	3,002		3,209		6,211
Total revenues	$	4,176	$	10,627	$	14,803

Long-lived Assets by Geographic Areas

	March 31, 2024
	Intellectual Property Operations		Industrial Operations		Energy Operations		Total
	(In thousands)
Long-lived tangible assets by geographic area:
United States	$	191	$	50	$	24,952	$	25,193
Malaysia	—		1,760		—		1,760
Other foreign countries	—		89		—		89
Total	$	191	$	1,899	$	24,952	$	27,042

	December 31, 2023
	Intellectual Property Operations		Industrial Operations		Energy Operations		Total
	(In thousands)
Long-lived tangible assets by geographic area:
United States	$	201	$	92	$	25,117	$	25,410
Malaysia	—		1,949		—		1,949
Other foreign countries	—		114		—		114
Total	$	201	$	2,155	$	25,117	$	27,473