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Segment information (Tables)

6 Months Ended

Jun. 30, 2025

Segment Reporting [Abstract]

Schedule of Segment Reporting Information

Financial information by reportable segment as follows:

									Three months ended June 30, 2025
									High-Pressure Controls & Systems						Heavy-Duty OEM												Cespira						Total Segment
Revenue									$	2,896					$	9,602											$	12,020					$	24,518
Cost of revenue									2,791						8,865												13,946						25,602
Gross profit									105						737												(1,926)						(1,084)
Operating expenses:
Research and development									1,635						22												1,888						3,545
General and administrative									386						34												2,692						3,112
Sales and marketing									23						3												322						348
Depreciation and amortization									59						—												860						919
									2,103						59												5,762						7,924
Add back: Depreciation and amortization1									149						—												772						921
Segment EBITDA									$	(1,849)					$	678											$	(6,916)					$	(8,087)

									Three months ended June 30, 2024
									High-Pressure Controls & Systems						Heavy-Duty OEM												Cespira						Total Segment
Revenue									$	3,562					$	10,547											$	4,059					$	18,168
Cost of revenue									2,453						9,297												3,901						15,651
Gross profit									1,109						1,250												158						2,517
Operating expenses:
Research and development									1,408						2,052												1,121						4,581
General and administrative									303						1,156												715						2,174
Sales and marketing									130						352												69						551
Depreciation and amortization									43						4												265						312
									1,884						3,564												2,170						7,618
Add back: Depreciation and amortization1									118						—												505						623
Segment EBITDA									$	(657)					$	(2,314)											$	(1,507)					$	(4,478)

16. Segment information (continued):

									Six months ended June 30, 2025
									High-Pressure Controls & Systems						Heavy-Duty OEM												Cespira						Total Segment
Revenue									$	4,786					$	15,035											$	28,819					$	48,640
Cost of revenue									4,168						13,276												30,230						47,674
Gross profit									618						1,759												(1,411)						966
Operating expenses:
Research and development									2,734						133												4,890						7,757
General and administrative									705						99												5,419						6,223
Sales and marketing									150						23												618						791
Depreciation and amortization									115						—												1,590						1,705
									3,704						255												12,517						16,476
Add back: Depreciation and amortization1									289						—												2,392						2,681
Segment EBITDA									$	(2,797)					$	1,504											$	(11,536)					$	(12,829)

									Six months ended June 30, 2024
									High-Pressure Controls & Systems						Heavy-Duty OEM												Cespira						Total Segment
Revenue									$	6,049					$	22,488											$	4,059					$	32,596
Cost of revenue									4,413						22,307												3,901						30,621
Gross profit									1,636						181												158						1,975
Operating expenses:
Research and development									2,951						4,858												1,121						8,930
General and administrative									496						2,919												715						4,130
Sales and marketing									362						849												69						1,280
Depreciation and amortization									85						121												265						471
									3,894						8,747												2,170						14,811
Add back: Depreciation and amortization1									226						1,391												505						2,122
Segment EBITDA									$	(2,032)					$	(7,175)											$	(1,507)					$	(10,714)

16. Segment information (continued):

Reconciliations of reportable segment financial information to consolidated statement of operations:

			Three months ended June 30, 2025
			Total Segment						Less: Cespira						Add: Corporate & unallocated												Total Consolidated
Revenue			$	24,518					$	12,020					$	—											$	12,498
Cost of revenue			25,602						13,946						—												11,656
Gross profit			(1,084)						(1,926)						—												842
Operating expenses:
Research and development			3,545						1,888						—												1,657
General and administrative			3,112						2,692						3,686												4,106
Sales and marketing			348						322						264												290
Depreciation and amortization			919						860						47												106
			7,924						5,762						3,997												6,159
Equity income (loss)			—						—						(3,686)												(3,686)

			Three months ended June 30, 2024
			Total Segment						Less: Cespira						Add: Corporate & unallocated												Total Consolidated
Revenue			$	18,168					$	4,059					$	—											$	14,109
Cost of revenue			15,651						3,901						—												11,750
Gross profit			2,517						158						—												2,359
Operating expenses:
Research and development			4,581						1,121						—												3,460
General and administrative			2,174						715						4,261												5,720
Sales and marketing			551						69						480												962
Depreciation and amortization			312						265						51												98
			7,618						2,170						4,792												10,240
Equity income (loss)			—						—						(1,102)												(1,102)

			Six months ended June 30, 2025
			Total Segment						Less: Cespira						Add: Corporate & unallocated												Total Consolidated
Revenue			$	48,640					$	28,819					$	—											$	19,821
Cost of revenue			47,674						30,230						—												17,444
Gross profit			966						(1,411)						—												2,377
Operating expenses:
Research and development			7,757						4,890						—												2,867
General and administrative			6,223						5,419						5,974												6,778
Sales and marketing			791						618						560												733
Depreciation and amortization			1,705						1,590						99												214
			16,476						12,517						6,633												10,592
Equity income (loss)			—						—						(7,570)												(7,570)

16. Segment information (continued):

			Six months ended June 30, 2024
			Total Segment						Less: Cespira						Add: Corporate & unallocated												Total Consolidated
Revenue			$	32,596					$	4,059					$	—											$	28,537
Cost of revenue			30,621						3,901						—												26,720
Gross profit			1,975						158						—												1,817
Operating expenses:
Research and development			8,930						1,121						—												7,809
General and administrative			4,130						715						9,500												12,915
Sales and marketing			1,280						69						872												2,083
Depreciation and amortization			471						265						250												456
			14,811						2,170						10,622												23,263
Equity income (loss)			—						—						(1,102)												(1,102)

Reconciliation of Segment EBITDA to Loss before income taxes						Three months ended June 30,												Six months ended June 30,
						2025						2024						2025						2024
Total Segment EBITDA						$	(8,087)					$	(4,478)					$	(12,829)					$	(10,714)
Adjustments:
Depreciation and amortization1						196						169						388						1,867
Cespira's Segment EBITDA						(6,916)						(1,507)						(11,536)						(1,507)
Loss on investments accounted for under the equity method (note 8)						3,686						1,102						7,570						1,102
Corporate and unallocated operating expenses						3,950						4,741						6,534						10,372
Foreign exchange (loss) gain						(4,224)						(141)						(5,427)						1,795
Gain on deconsolidation						—						(13,266)						—						(13,266)
Interest on long-term debt						166						288						358						603
Interest and other income, net of bank charges						147						(95)						(502)						(21)
Loss before income taxes in continuing operations						$	(5,092)					$	4,231					$	(10,214)					$	(11,659)

1Depreciation and amortization expenses used in computation for Segment EBITDA and reconciliation to consolidated loss before income taxes are included in cost of revenue and operating expenses on our statement of operations and comprehensive income (loss).

						Three months ended June 30,												Six months ended June 30,
Total additions to long-lived assets, excluding business combinations						2025						2024						2025						2024
High-Pressure Controls & Systems						821						991						1,379						1,437
Heavy-Duty OEM						—						271						—						569
Corporate and unallocated						1						—						16						—
Total consolidated						$	822					$	1,262					$	1,395					$	2,006

Schedule of Geographical Revenue Information

Revenues are attributable to geographical regions based on the location of the Company’s customers and are presented as a percentage of the Company's continuing revenues, as follows:

						% of revenue
						Three months ended June 30,												Six months ended June 30,
						2025						2024						2025						2024
Europe						79		%				85		%				79		%				87		%
Asia						16		%				11		%				14		%				10		%
Americas						5		%				4		%				7		%				3		%

Schedule of Allocation of the Total Assets

The measure of segment assets evaluated by the CODM are total assets as reported on the consolidated balance sheet. Total assets are allocated as follows:

						Total assets by segment
						June 30, 2025						December 31, 2024
Light-Duty (Held-for-sale)						$	201,719					$	207,893
High-Pressure Controls & Systems						14,112						9,026
Heavy-Duty OEM						12,429						9,138
Corporate						43,794						65,564
Total consolidated assets						$	272,054					$	291,621

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- Definition

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.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 25
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482810/280-10-50-25

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 22
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482810/280-10-50-22

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 30
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482810/280-10-50-30

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