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v3.26.1

Property and equipment, net | 6 Months Ended
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Jun. 30, 2026
Property, Plant, and Equipment [Abstract] |
Property and equipment, net | 7. Property and equipment, net Property and equipment consisted of the following:
(in thousands) |  | June 30, 2026 |  |  | December 31, 2025 |
Leasehold improvements |  | $ | 802 |  |  | $ | 696 |
Plant and field equipment |  |  | 2,598 |  |  |  | 2,600 |
Information technology equipment |  |  | 1,020 |  |  |  | 876 |
Tooling |  |  | 2,706 |  |  |  | 2,347 |
Capitalized software |  |  | 1,332 |  |  |  | 1,301 |
Total |  |  | 8,458 |  |  |  | 7,820 |
Accumulated depreciation |  |  | (4,809 | ) |  |  | (4,027 | )
Property and equipment, net |  | $ | 3,649 |  |  | $ | 3,793 |
Depreciation expense for the three and six months ended June 30, 2026, totaled $0.4 million and $0.8 million, respectively. Depreciation expense for the three and six months ended June 30, 2025, totaled $0.3 million and $0.6 million, respectively.

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- Definition The entire disclosure for property, plant, and equipment. Includes, but is not limited to, land and land improvement; building; machinery and equipment; furniture and fixture; and work of art, historical treasure, or similar asset classified as collection. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 360 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482099/360-10-50-3 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 360 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482099/360-10-50-3 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 360 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/360/tableOfContent Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 360 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482099/360-10-50-2 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 360 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 13 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482130/360-10-45-13 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Topic 360 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.CC) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480091/360-10-S99-2 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Name Accounting Standards Codification -Section 50 -Paragraph 6 -SubTopic 360 -Topic 958 -Publisher FASB -URI https://asc.fasb.org/1943274/2147477798/958-360-50-6 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (d) -SubTopic 360 -Topic 958 -Publisher FASB -URI https://asc.fasb.org/1943274/2147477798/958-360-50-1 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Name Accounting Standards Codification -Section 50 -Paragraph 7 -SubTopic 360 -Topic 958 -Publisher FASB -URI https://asc.fasb.org/1943274/2147477798/958-360-50-7 + Details
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