| Schedule of results by segment |
| | | | | | | | | | | | | | | | | | | | | | | | | For the year ended 2026 | CMBU | CDBU | MCBU | AEBU | All Other | Unallocated | Total | | | | | | | | | | Revenue | $ | 43,085 | | $ | 37,592 | | $ | 36,601 | | $ | 15,886 | | $ | 24 | | $ | — | | $ | 133,188 | | | Cost of goods sold | 8,802 | | 6,031 | | 6,413 | | 3,891 | | 19 | | 528 | | 25,684 | | | Gross margin | 34,283 | | 31,561 | | 30,188 | | 11,995 | | 5 | | (528) | | 107,504 | | | | | | | | | | | Research and development | 2,510 | | 1,648 | | 550 | | 443 | | 1 | | 498 | | 5,650 | | | Selling, general, and administrative | 549 | | 374 | | 430 | | 335 | | — | | 259 | | 1,947 | | | Other operating (income) expense, net | (1) | | — | | — | | — | | 2 | | 566 | | 567 | | | Operating income | $ | 31,225 | | $ | 29,539 | | $ | 29,208 | | $ | 11,217 | | $ | 2 | | $ | (1,851) | | $ | 99,340 | |
| | | | | | | | | | | | | | | | | | | | | | | | | For the year ended 2025 | CMBU | CDBU | MCBU | AEBU | All Other | Unallocated | Total | | | | | | | | | | Revenue | $ | 13,524 | | $ | 7,229 | | $ | 11,859 | | $ | 4,753 | | $ | 13 | | $ | — | | $ | 37,378 | | | Cost of goods sold | 5,867 | | 3,995 | | 8,650 | | 3,566 | | 14 | | 413 | | 22,505 | | | Gross margin | 7,657 | | 3,234 | | 3,209 | | 1,187 | | (1) | | (413) | | 14,873 | | | | | | | | | | | Research and development | 1,315 | | 864 | | 836 | | 435 | | — | | 348 | | 3,798 | | | Selling, general, and administrative | 213 | | 188 | | 390 | | 195 | | — | | 219 | | 1,205 | | | Other operating (income) expense, net | — | | 2 | | 2 | | — | | — | | 96 | | 100 | | | Operating income | $ | 6,129 | | $ | 2,180 | | $ | 1,981 | | $ | 557 | | $ | (1) | | $ | (1,076) | | $ | 9,770 | |
| | | | | | | | | | | | | | | | | | | | | | | | | For the year ended 2024 | CMBU | CDBU | MCBU | AEBU | All Other | Unallocated | Total | | | | | | | | | | Revenue | $ | 3,792 | | $ | 4,984 | | $ | 11,667 | | $ | 4,631 | | $ | 37 | | $ | — | | $ | 25,111 | | | Cost of goods sold | 2,677 | | 3,638 | | 10,222 | | 3,598 | | 20 | | (657) | | 19,498 | | | Gross margin | 1,115 | | 1,346 | | 1,445 | | 1,033 | | 17 | | 657 | | 5,613 | | | | | | | | | | | Research and development | 769 | | 960 | | 994 | | 425 | | — | | 282 | | 3,430 | | | Selling, general, and administrative | 107 | | 139 | | 485 | | 186 | | (1) | | 213 | | 1,129 | | | Other operating (income) expense, net | (5) | | (8) | | (33) | | (10) | | — | | (194) | | (250) | | | Operating income | $ | 244 | | $ | 255 | | $ | (1) | | $ | 432 | | $ | 18 | | $ | 356 | | $ | 1,304 | |
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| Schedule of depreciation and amortization expense by segment |
Depreciation and amortization expense included in operating income was as follows: | | | | | | | | | | | | For the year ended | 2026 | 2025 | 2024 | | | | | | CMBU | $ | 3,335 | | $ | 2,260 | | $ | 1,112 | | | CDBU | 2,237 | | 1,530 | | 1,434 | | | MCBU | 2,490 | | 3,177 | | 3,762 | | | AEBU | 1,431 | | 1,375 | | 1,447 | | | All Other | 6 | | 5 | | 7 | | | Unallocated | 4 | | 5 | | 18 | | | $ | 9,503 | | $ | 8,352 | | $ | 7,780 | |
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