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SEGMENT REPORTING (Tables)

9 Months Ended

Sep. 30, 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 September 30,
			2025																														2024
			Intellectual Property Operations						Industrial Operations						Energy Operations						Manufactur- ing Operations						Total						Intellectual Property Operations						Industrial Operations						Energy Operations												Total
			(In thousands)
Revenues:
License fees			$	7,795					$	—					$	—					$	—					$	7,795					$	486					$	—					$	—											$	486
Revenues - industrial operations			—						6,660						—						—						6,660						—						7,007						—												7,007
Oil sales			—						—						6,614						—						6,614						—						—						8,997												8,997
Natural gas sales			—						—						3,738						—						3,738						—						—						2,829												2,829
Natural gas liquids sales			—						—						3,207						—						3,207						—						—						3,837												3,837
Other service sales			—						—						617						—						617						—						—						154												154
Air distribution			—						—						—						10,226						10,226						—						—						—												—
Transportation safety			—						—						—						11,287						11,287						—						—						—												—
Office products			—						—						—						9,302						9,302						—						—						—												—
Total revenues			7,795						6,660						14,176						30,815						59,446						486						7,007						15,817												23,310
Cost of revenues:
Cost of sales - intellectual property operations			8,301						—						—						—						8,301						5,707						—						—												5,707
Cost of sales - industrial operations			—						3,376						—						—						3,376						—						3,523						—												3,523
Cost of sales - manufacturing operations			—						—						—						23,285						23,285						—						—						—												—
Cost of production			—						—						11,880						—						11,880						—						—						11,729												11,729
Total cost of revenues			8,301						3,376						11,880						23,285						46,842						5,707						3,523						11,729												20,959
Segment gross (loss) profit			(506)						3,284						2,296						7,530						12,604						(5,221)						3,484						4,088												2,351
Other operating expenses:
General and administrative expenses and sales and marketing expenses			1,914						2,996						1,162						6,404						12,476						1,917						3,585						1,024												6,526
Segment operating (loss) income			$	(2,420)					$	288					$	1,134					$	1,126					128						$	(7,138)					$	(101)					$	3,064											(4,175)
Parent general and administrative expenses																											6,554																														6,097
Operating loss																											(6,426)																														(10,272)
Total other expense																											3,064																														4,112
Loss before income taxes																											$	(3,362)																													$	(6,160)

The Company’s reportable segment information is as follows:

			Nine Months Ended September 30,
			2025																														2024
			Intellectual Property Operations						Industrial Operations						Energy Operations						Manufactur- ing Operations						Total						Intellectual Property Operations						Industrial Operations						Energy Operations												Total
			(In thousands)
Revenues:
License fees			$	78,029					$	—					$	—					$	—					$	78,029					$	19,442					$	—					$	—											$	19,442
Revenues - industrial operations			—						20,926						—						—						20,926						—						22,183						—												22,183
Oil sales			—						—						21,480						—						21,480						—						—						17,740												17,740
Natural gas sales			—						—						13,112						—						13,112						—						—						5,550												5,550
Natural gas liquids sales			—						—						11,779						—						11,779						—						—						8,390												8,390
Other service sales			—						—						1,428						—						1,428						—						—						163												163
Air distribution			—						—						—						29,684						29,684						—						—						—												—
Transportation safety			—						—						—						32,420						32,420						—						—						—												—
Office products			—						—						—						26,247						26,247						—						—						—												—
Total revenues			78,029						20,926						47,799						88,351						235,105						19,442						22,183						31,843												73,468
Cost of revenues:
Cost of sales - intellectual property operations			42,771						—						—						—						42,771						18,473						—						—												18,473
Cost of sales - industrial operations			—						10,846						—						—						10,846						—						10,849						—												10,849
Cost of sales - manufacturing operations			—						—						—						66,518						66,518						—						—						—												—
Cost of production			—						—						36,887						—						36,887						—						—						23,082												23,082
Total cost of revenues			42,771						10,846						36,887						66,518						157,022						18,473						10,849						23,082												52,404
Segment gross profit			35,258						10,080						10,912						21,833						78,083						969						11,334						8,761												21,064
Other operating expenses:
General and administrative expenses and sales and marketing expenses			6,783						9,416						3,684						21,062						40,945						7,078						10,457						2,292												19,827
Segment operating income (loss)			$	28,475					$	664					$	7,228					$	771					37,138						$	(6,109)					$	877					$	6,469											1,237
Parent general and administrative expenses																											17,644																														18,354
Operating income (loss)																											19,494																														(17,117)
Total other expense (income)																											5,863																														(6,231)
Income (loss) before income taxes																											$	25,357																													$	(23,348)

Schedule of Segment Reporting Information, by Segment

			September 30, 2025						December 31, 2024
			(In thousands)
Total parent assets			$	126,544					$	150,033
Segment total assets:
Intellectual property operations			250,813						213,854
Industrial operations			50,876						48,438
Energy operations			207,206						209,355
Manufacturing operations			133,432						134,714
Total assets			$	768,871					$	756,394

Revenue from External Customers by Geographic Areas

			Three Months Ended September 30,
			2025																														2024
			Intellectual Property Operations						Industrial Operations						Energy Operations						Manufactur- ing Operations						Total						Intellectual Property Operations						Industrial Operations						Energy Operations												Total
			(In thousands)
Revenues by geographic area:
United States			$	7,795					$	3,281					$	14,176					$	17,404					$	42,656					$	483					$	3,074					$	15,817											$	19,374
Canada and Latin America			—						416						—						6,040						6,456						2						233						—												235
Total Americas			7,795						3,697						14,176						23,444						49,112						485						3,307						15,817												19,609
Europe, Middle East and Africa			—						1,299						—						1,275						2,574						—						1,689						—												1,689
China			—						372						—						6,096						6,468						—						306						—												306
India			—						391						—						—						391						—						633						—												633
Asia-Pacific, excluding China and India			—						901						—						—						901						1						1,072						—												1,073
Total Asia-Pacific			—						1,664						—						6,096						7,760						1						2,011						—												2,012
Total revenues			$	7,795					$	6,660					$	14,176					$	30,815					$	59,446					$	486					$	7,007					$	15,817											$	23,310

			Nine Months Ended September 30,
			2025																														2024
			Intellectual Property Operations						Industrial Operations						Energy Operations						Manufactur- ing Operations						Total						Intellectual Property Operations						Industrial Operations						Energy Operations												Total
			(In thousands)
Revenues by geographic area:
United States			$	78,027					$	9,046					$	47,799					$	51,793					$	186,665					$	7,878					$	9,106					$	31,843											$	48,827
Canada and Latin America			—						1,090						—						17,808						18,898						3						719						—												722
Total Americas			78,027						10,136						47,799						69,601						205,563						7,881						9,825						31,843												49,549
Europe, Middle East and Africa			—						5,382						—						3,650						9,032						—						5,872						—												5,872
China			—						1,087						—						15,100						16,187						4,650						1,056						—												5,706
India			—						1,474						—						—						1,474						—						2,068						—												2,068
Asia-Pacific, excluding China and India			2						2,847						—						—						2,849						6,911						3,362						—												10,273
Total Asia-Pacific			2						5,408						—						15,100						20,510						11,561						6,486						—												18,047
Total revenues			$	78,029					$	20,926					$	47,799					$	88,351					$	235,105					$	19,442					$	22,183					$	31,843											$	73,468

Long-lived Assets by Geographic Areas

			September 30, 2025
			Intellectual Property Operations						Industrial Operations						Energy Operations						Manufactur- ing Operations						Total
			(In thousands)
Long-lived tangible assets by geographic area:
United States			$	97					$	172					$	190,151					$	6,943					$	197,363
Canada			—						546						—						6,505						7,051
Europe			—						226						—						4,111						4,337
Asia-Pacific			—						—						—						2,314						2,314
Total			$	97					$	944					$	190,151					$	19,873					$	211,065

			December 31, 2024
			Intellectual Property Operations						Industrial Operations						Energy Operations						Manufactur- ing 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

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- Definition

Tabular disclosure of long-lived assets, excluding financial instruments, long-term customer relationships of a financial institution, mortgage rights, deferred policy acquisition costs, and deferred tax assets, by geographic areas located in the entity's country of domicile and foreign countries in which the entity holds assets.

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Tabular disclosure of the profit or loss and total assets for each reportable segment. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss.

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