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Segment information (Tables)

9 Months Ended

Sep. 30, 2025

Segment Reporting [Abstract]

Schedule of Segment Reporting Information

Financial information by reportable segment as follows:

									Three months ended September 30, 2025
									High-Pressure Controls & Systems						Heavy-Duty OEM												Cespira						Total Segment
Revenue									$	1,606					$	11											$	19,328					$	20,945
Cost of revenue									1,145						—												20,364						21,509
Gross profit									461						11												(1,036)						(564)
Operating expenses:
Research and development									2,293						26												1,135						3,454
General and administrative									484						34												2,410						2,928
Sales and marketing									103						3												357						463
Depreciation and amortization									108						—												833						941
									2,988						63												4,735						7,786
Add back: Depreciation and amortization1									143						—												1,610						1,753
Segment EBITDA									$	(2,384)					$	(52)											$	(4,161)					$	(6,597)

									Three months ended September 30, 2024
									High-Pressure Controls & Systems						Heavy-Duty OEM												Cespira						Total Segment
Revenue									$	1,764					$	3,113											$	16,209					$	21,086
Cost of revenue									1,352						2,862												16,374						20,588
Gross profit									412						251												(165)						498
Operating expenses:
Research and development									1,257						(629)												1,830						2,458
General and administrative									292						55												1,943						2,290
Sales and marketing									44						36												335						415
Depreciation and amortization									27						4												944						975
									1,620						(534)												5,052						6,138
Add back: Depreciation and amortization1									145						8												1,106						1,259
Segment EBITDA									$	(1,063)					$	793											$	(4,111)					$	(4,381)

15. Segment information (continued):

									Nine months ended September 30, 2025
									High-Pressure Controls & Systems						Heavy-Duty OEM												Cespira						Total Segment
Revenue									$	6,392					$	15,046											$	48,147					$	69,585
Cost of revenue									5,313						13,276												50,594						69,183
Gross profit									1,079						1,770												(2,447)						402
Operating expenses:
Research and development									5,027						159												6,025						11,211
General and administrative									1,189						133												7,829						9,151
Sales and marketing									253						26												975						1,254
Depreciation and amortization									223						—												2,423						2,646
									6,692						318												17,252						24,262
Add back: Depreciation and amortization1									432						—												4,901						5,333
Segment EBITDA									$	(5,181)					$	1,452											$	(14,798)					$	(18,527)

									Nine months ended September 30, 2024
									High-Pressure Controls & Systems						Heavy-Duty OEM												Cespira						Total Segment
Revenue									$	7,813					$	25,601											$	20,268					$	53,682
Cost of revenue									5,766						25,168												20,275						51,209
Gross profit									2,047						433												(7)						2,473
Operating expenses:
Research and development									4,208						4,229												2,951						11,388
General and administrative									788						2,974												2,658						6,420
Sales and marketing									404						886												404						1,694
Depreciation and amortization									112						126												1,209						1,447
									5,512						8,215												7,222						20,949
Add back: Depreciation and amortization1									372						1,399												1,610						3,381
Segment EBITDA									$	(3,093)					$	(6,383)											$	(5,619)					$	(15,095)

15. Segment information (continued):

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

			Three months ended September 30, 2025
			Total Segment						Less: Cespira						Add: Corporate & unallocated												Total Consolidated
Revenue			$	20,945					$	19,328					$	—											$	1,617
Cost of revenue			21,509						20,364						—												1,145
Gross profit			(564)						(1,036)						—												472
Operating expenses:
Research and development			3,454						1,135						—												2,319
General and administrative			2,928						2,410						3,612												4,130
Sales and marketing			463						357						199												305
Depreciation and amortization			941						833						38												146
			7,786						4,735						3,849												6,900
Equity loss			—						—						(3,197)												(3,197)

			Three months ended September 30, 2024
			Total Segment						Less: Cespira						Add: Corporate & unallocated												Total Consolidated
Revenue			$	21,086					$	16,209					$	—											$	4,877
Cost of revenue			20,588						16,374						—												4,214
Gross profit			498						(165)						—												663
Operating expenses:
Research and development			2,458						1,830						—												628
General and administrative			2,290						1,943						3,069												3,416
Sales and marketing			415						335						287												367
Depreciation and amortization			975						944						72												103
			6,138						5,052						3,428												4,514
Equity loss			—						—						(3,002)												(3,002)

			Nine months ended September 30, 2025
			Total Segment						Less: Cespira						Add: Corporate & unallocated												Total Consolidated
Revenue			$	69,585					$	48,147					$	—											$	21,438
Cost of revenue			69,183						50,594						—												18,589
Gross profit			402						(2,447)						—												2,849
Operating expenses:
Research and development			11,211						6,025						—												5,186
General and administrative			9,151						7,829						9,586												10,908
Sales and marketing			1,254						975						759												1,038
Depreciation and amortization			2,646						2,423						137												360
			24,262						17,252						10,482												17,492
Equity loss			—						—						(10,767)												(10,767)

15. Segment information (continued):

			Nine months ended September 30, 2024
			Total Segment						Less: Cespira						Add: Corporate & unallocated												Total Consolidated
Revenue			$	53,682					$	20,268					$	—											$	33,414
Cost of revenue			51,209						20,275						—												30,934
Gross profit			2,473						(7)						—												2,480
Operating expenses:
Research and development			11,388						2,951						—												8,437
General and administrative			6,420						2,658						12,569												16,331
Sales and marketing			1,694						404						1,160												2,450
Depreciation and amortization			1,447						1,209						321												559
			20,949						7,222						14,050												27,777
Equity loss			—						—						(4,104)												(4,104)

Reconciliation of Segment EBITDA to Loss before income taxes						Three months ended September 30,												Nine months ended September 30,
						2025						2024						2025						2024
Total Segment EBITDA						$	(6,597)					$	(4,381)					$	(18,527)					$	(15,095)
Adjustments:
Depreciation and amortization1						181						225						569						2,092
Cespira's Segment EBITDA						(4,161)						(4,111)						(14,798)						(5,619)
Loss on investments accounted for under the equity method (note 8)						3,197						3,002						10,767						4,104
Corporate and unallocated operating expenses						3,811						3,356						10,345						13,729
Foreign exchange (loss) gain						1,282						(1,709)						(4,145)						86
Gain on deconsolidation						—						—						—						(13,266)
Loss on sale of investments						—						352						—						352
Interest on long-term debt						142						257						500						859
Interest and other income, net of bank charges						(653)						(215)						(1,155)						(235)
Loss before income taxes in continuing operations						$	(10,396)					$	(5,538)					$	(20,610)					$	(17,197)

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 September 30,												Nine months ended September 30,
Total additions to long-lived assets, excluding business combinations						2025						2024						2025						2024
High-Pressure Controls & Systems						514						183						1,893						1,620
Heavy-Duty OEM						—						—						—						569
Corporate and unallocated						—						—						16						—
Total consolidated						$	514					$	183					$	1,909					$	2,189

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 September 30,												Nine months ended September 30,
						2025						2024						2025						2024
Europe						25		%				84		%				75		%				86		%
Asia						33		%				8		%				16		%				10		%
Americas						42		%				8		%				9		%				4		%

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
						September 30, 2025						December 31, 2024
Light-Duty (Held-for-sale)						$	—					$	207,893
High-Pressure Controls & Systems						14,470						9,026
Heavy-Duty OEM						266						9,138
Corporate						89,357						65,564
Total consolidated assets						$	104,093					$	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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