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Segment information
 9 Months Ended
Sep. 30, 2025
Segment Reporting [Abstract]  
Segment information
15. Segment information:

As a result of the classification of the Light-Duty segment as discontinued operations (note 5), the Company reports its results in the following three reportable segments: High-Pressure Controls & Systems, Heavy-Duty OEM, and Cespira. The prior year comparatives were recast to reflect this change in reportable segments.

Segment earnings or losses before income taxes, interest, depreciation, and amortization ("Segment EBITDA") is the measure of segment profitability used by the Company. The accounting policies of our reportable segments are the same as those applied in our consolidated financial statements. Management prepared the financial results of the Company's reportable segments on basis that is consistent with the manner in which Management internally disaggregates financial information to assist in making internal operating decisions. Certain common costs and expenses were allocated among segments and presented differently than the Company would for stand-alone financial information prepared in accordance with GAAP. These include certain costs and expenses of shared services, such as IT, human resources, legal, finance and supply chain management. Segment EBITDA is not defined under US GAAP and may not be comparable to similarly titled measures used by other companies and should not be considered a substitute for net earnings or other results reported in accordance with GAAP.

The Company's Chief Operating Decision Maker ("CODM") uses Segment EBITDA disclosed below to evaluate the performance of its reportable segments. The Company believes Segment EBITDA is most reflective of the operational profitability or loss of its reportable segments. The CODM uses this information to drive decisions and resource allocations. Segment EBITDA is used as the key profitability measure when the Company sets its annual budget.
15. Segment information (continued):
Financial information by reportable segment as follows:
Three months ended September 30, 2025
High-Pressure Controls & SystemsHeavy-Duty OEMCespiraTotal Segment
Revenue$1,606 $11 $19,328 $20,945 
Cost of revenue1,145 — 20,364 21,509 
Gross profit461 11 (1,036)(564)
Operating expenses:
Research and development2,293 26 1,135 3,454 
General and administrative484 34 2,410 2,928 
Sales and marketing103 3 357 463 
Depreciation and amortization108 — 833 941 
2,988 63 4,735 7,786 
Add back: Depreciation and amortization1
143 — 1,610 1,753 
Segment EBITDA$(2,384)$(52)$(4,161)$(6,597)
Three months ended September 30, 2024
High-Pressure Controls & SystemsHeavy-Duty OEMCespiraTotal Segment
Revenue$1,764 $3,113 $16,209 $21,086 
Cost of revenue1,352 2,862 16,374 20,588 
Gross profit412 251 (165)498 
Operating expenses:
Research and development1,257 (629)1,830 2,458 
General and administrative292 55 1,943 2,290 
Sales and marketing44 36 335 415 
Depreciation and amortization27 4 944 975 
1,620 (534)5,052 6,138 
Add back: Depreciation and amortization1
145 8 1,106 1,259 
Segment EBITDA$(1,063)$793 $(4,111)$(4,381)
15. Segment information (continued):

Nine months ended September 30, 2025
High-Pressure Controls & SystemsHeavy-Duty OEMCespiraTotal Segment
Revenue$6,392 $15,046 $48,147 $69,585 
Cost of revenue5,313 13,276 50,594 69,183 
Gross profit1,079 1,770 (2,447)402 
Operating expenses:
Research and development5,027 159 6,025 11,211 
General and administrative1,189 133 7,829 9,151 
Sales and marketing253 26 975 1,254 
Depreciation and amortization223 — 2,423 2,646 
6,692 318 17,252 24,262 
Add back: Depreciation and amortization1
432 — 4,901 5,333 
Segment EBITDA$(5,181)$1,452 $(14,798)$(18,527)
Nine months ended September 30, 2024
High-Pressure Controls & SystemsHeavy-Duty OEMCespiraTotal Segment
Revenue$7,813 $25,601 $20,268 $53,682 
Cost of revenue5,766 25,168 20,275 51,209 
Gross profit2,047 433 (7)2,473 
Operating expenses:
Research and development4,208 4,229 2,951 11,388 
General and administrative788 2,974 2,658 6,420 
Sales and marketing404 886 404 1,694 
Depreciation and amortization112 126 1,209 1,447 
5,512 8,215 7,222 20,949 
Add back: Depreciation and amortization1
372 1,399 1,610 3,381 
Segment EBITDA$(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 SegmentLess: CespiraAdd: Corporate & unallocatedTotal Consolidated
Revenue$20,945 $19,328 $— $1,617 
Cost of revenue21,509 20,364 — 1,145 
Gross profit(564)(1,036)— 472 
Operating expenses:
Research and development3,454 1,135 — 2,319 
General and administrative2,928 2,410 3,612 4,130 
Sales and marketing463 357 199 305 
Depreciation and amortization941 833 38 146 
7,786 4,735 3,849 6,900 
Equity loss— — (3,197)(3,197)
Three months ended September 30, 2024
Total SegmentLess: CespiraAdd: Corporate & unallocatedTotal Consolidated
Revenue$21,086 $16,209 $— $4,877 
Cost of revenue20,588 16,374 — 4,214 
Gross profit498 (165)— 663 
Operating expenses:
Research and development2,458 1,830 — 628 
General and administrative2,290 1,943 3,069 3,416 
Sales and marketing415 335 287 367 
Depreciation and amortization975 944 72 103 
6,138 5,052 3,428 4,514 
Equity loss— — (3,002)(3,002)
Nine months ended September 30, 2025
Total SegmentLess: CespiraAdd: Corporate & unallocatedTotal Consolidated
Revenue$69,585 $48,147 $— $21,438 
Cost of revenue69,183 50,594 — 18,589 
Gross profit402 (2,447)— 2,849 
Operating expenses:
Research and development11,211 6,025 — 5,186 
General and administrative9,151 7,829 9,586 10,908 
Sales and marketing1,254 975 759 1,038 
Depreciation and amortization2,646 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 SegmentLess: CespiraAdd: Corporate & unallocatedTotal Consolidated
Revenue$53,682 $20,268 $— $33,414 
Cost of revenue51,209 20,275 — 30,934 
Gross profit2,473 (7)— 2,480 
Operating expenses:
Research and development11,388 2,951 — 8,437 
General and administrative6,420 2,658 12,569 16,331 
Sales and marketing1,694 404 1,160 2,450 
Depreciation and amortization1,447 1,209 321 559 
20,949 7,222 14,050 27,777 
Equity loss— — (4,104)(4,104)
Reconciliation of Segment EBITDA to Loss before income taxesThree months ended September 30,Nine months ended September 30,
2025202420252024
Total Segment EBITDA$(6,597)$(4,381)$(18,527)$(15,095)
Adjustments:
Depreciation and amortization1
181 225 569 2,092 
Cespira's Segment EBITDA(4,161)(4,111)(14,798)(5,619)
Loss on investments accounted for under the equity method (note 8)3,197 3,002 10,767 4,104 
Corporate and unallocated operating expenses3,811 3,356 10,345 13,729 
Foreign exchange (loss) gain1,282 (1,709)(4,145)86 
Gain on deconsolidation— — — (13,266)
Loss on sale of investments— 352 — 352 
Interest on long-term debt142 257 500 859 
Interest and other income, net of bank charges(653)(215)(1,155)(235)
Loss before income taxes in continuing operations$(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).
15. Segment information (continued):
Three months ended September 30,Nine months ended September 30,
Total additions to long-lived assets, excluding business combinations2025202420252024
High-Pressure Controls & Systems514 183 1,893 1,620 
Heavy-Duty OEM— — — 569 
Corporate and unallocated— — 16 — 
Total consolidated$514 $183 $1,909 $2,189 
Cespira's total additions to long-lived assets, excluding business combinations for the three and nine months ended September 30, 2025 was $1,325 and $2,896, respectively (three and nine months ended September 30, 2024 was $154 and $164, respectively).

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,
 2025202420252024
Europe25 %84 %75 %86 %
Asia33 %8 %16 %10 %
Americas42 %8 %9 %4 %
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, 2025December 31, 2024
Light-Duty (Held-for-sale)$— $207,893 
High-Pressure Controls & Systems14,470 9,026 
Heavy-Duty OEM266 9,138 
Corporate89,357 65,564 
Total consolidated assets$104,093 $291,621