| Schedule of reconciliations of segment revenues |
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Revenues by reportable segment consisted of the following for the three months ended March 31, 2026 and 2025: | | | | | | | | | | | | | | | | Three months ended March 31, | | | 2026 | | 2025 | Tool manufacturing and related services | | $ | 1,538 | | $ | 588 | Coating services | | | 283 | | | 231 | Battery manufacturing | | | 313 | | | 180 | Total | | $ | 2,134 | | $ | 999 |
Segment revenue, cost of sales, and gross (loss) profit are as follows: | | | | | | | | | | | | | | | | | | | | | | | | | | | | Three months ended March 31, 2026 | | | Tool | | | | | | | | | | | Manufacturing | | | | | | | | | | | | & Related | | Coating | | Battery | | | | | | Services | | Services | | Manufacturing | | Total | Total revenue | | $ | 1,538 | | $ | 283 | | $ | 313 | | $ | 2,134 | Cost of sales | | | (1,770) | | | (1,201) | | | (91) | | | (3,062) | Gross (loss) profit | | $ | (232) | | $ | (918) | | $ | 222 | | $ | (928) |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Three months ended March 31, 2025 | | | Tool | | | | | | | | | | | Manufacturing | | | | | | | | | | | | & Related | | Coating | | Battery | | | | | | Services | | Services | | Manufacturing | | Total | Total revenue | | $ | 588 | | $ | 231 | | $ | 180 | | $ | 999 | Cost of sales | | | (1,116) | | | (898) | | | (86) | | | (2,100) | Gross (loss) profit | | $ | (528) | | $ | (667) | | $ | 94 | | $ | (1,101) |
Table presents a reconciliation of segment results to consolidated results for the three months ended March 31, 2026 and 2025. | | | | | | | | | | | | | | | | Three months ended March 31, | | | 2026 | | 2025 | Segment gross profit | | $ | (928) | | $ | (1,101) | General and administrative | | | 10,389 | | | 9,536 | Operating loss | | | (11,317) | | | (10,637) | Interest income | | | 65 | | | 90 | Grant income | | | 976 | | | 1,053 | Other income | | | 37 | | | 5 | Interest expense, change in fair value, and amortization of debt discount | | | (1,422) | | | (4,362) | Other expense | | | (15) | | | (132) | Non-operating loss | | | (359) | | | (3,346) | Net loss | | $ | (11,676) | | $ | (13,983) |
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Revenue by reportable segment is as follows: | | | | | | | | | | | | | | | | Years ended December 31, | | | 2025 | | 2024 | Tool manufacturing and related services | | $ | 4,625 | | $ | 6,852 | Coating services | | | 1,429 | | | 1,332 | Battery manufacturing | | | 1,334 | | | 115 | Total | | $ | 7,388 | | $ | 8,299 |
Segment revenue, cost of sales, and gross profit (loss) are as follows: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Years ended December 31, 2025 | | | | Tool Manufacturing & | | | | Battery | | | | | | Related Services | | Coating Services | | Manufacturing | | Total | | Total revenue | | $ | 4,625 | | $ | 1,429 | | $ | 1,334 | | $ | 7,388 | | Cost of sales | | | (6,239) | | | (3,921) | | | (1,085) | | | (11,245) | | Gross (loss) profit | | $ | (1,614) | | $ | (2,492) | | $ | 249 | | $ | (3,857) | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Years ended December 31, 2024 | | | | Tool Manufacturing & | | | | Battery | | | | | | Related Services | | Coating Services | | Manufacturing | | Total | | Total revenue | | $ | 6,852 | | $ | 1,332 | | $ | 115 | | $ | 8,299 | | Cost of sales | | | (5,441) | | | (2,486) | | | (40) | | | (7,967) | | Gross profit (loss) | | $ | 1,411 | | $ | (1,154) | | $ | 75 | | $ | 332 | |
Reconciliation of segment results to consolidated results is as follows: | | | | | | | | | | | | | | | | | | Years ended December 31, | | | | 2025 | | 2024 | | Segment gross (loss) profit | | $ | (3,857) | | $ | 332 | | General and administrative | | | 40,788 | | | 27,474 | | Operating loss | | | (44,645) | | | (27,142) | | | | | | | | | | Interest income | | | 637 | | | 1,053 | | Grant income | | | 7,062 | | | 2,306 | | Other income | | | 865 | | | 263 | | | | | | | | | | Interest expense, change in fair value, and amortization of debt discount | | | (6,515) | | | (3,439) | | Other expense | | | (578) | | | (25) | | | | | | | | | | Non-operating income | | | 1,471 | | | 158 | | | | | | | | | | Net loss | | $ | (43,174) | | $ | (26,984) | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Tool | | | | | | | | | | | | | | | Manufacturing | | | | | | | | | | | | | | | & Related | | Coating | | Battery | | | | | | | | | Services | | Services | | Manufacturing | | Corporate | | Total | Revenue | | $ | 4,625 | | $ | 1,429 | | $ | 1,334 | | $ | — | | $ | 7,388 | Cost of sales | | | 6,239 | | | 3,921 | | | 1,085 | | | — | | | 11,245 | Gross profit (loss) | | | (1,614) | | | (2,492) | | | 249 | | | — | | | (3,857) | General and administrative | | | 1,916 | | | 2,123 | | | 780 | | | 35,969 | | | 40,788 | Operating profit (loss) | | | (3,530) | | | (4,615) | | | (531) | | | (35,969) | | | (44,645) | Other income | | | — | | | — | | | — | | | 1,471 | | | 1,471 | Net income (loss) | | $ | (3,530) | | $ | (4,615) | | $ | (531) | | $ | (34,498) | | $ | (43,174) |
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