| Schedule of Intangible Assets |
As of June 30, 2026 and December 31, 2025 we had the following amounts related to intangible assets and liabilities other than goodwill: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | June 30, 2026 | | December 31, 2025 | | Intangible assets | | Cost | | Accumulated Amortization | | Total | | Cost | | Accumulated Amortization | | Total | | Product certifications | | $ | 777,465 | | | $ | (743,044) | | | $ | 34,421 | | | $ | 777,465 | | | $ | (732,469) | | | $ | 44,996 | | | Patents | | 888,860 | | | (727,942) | | | 160,918 | | | 888,910 | | | (682,370) | | | 206,540 | | | Developed technology | | 240,000 | | | (212,000) | | | 28,000 | | | 240,000 | | | (204,000) | | | 36,000 | | | Trademarks | | 26,896 | | | — | | | 26,896 | | | 26,896 | | | — | | | 26,896 | | | In Process R&D | | 263,936 | | | (197,952) | | | 65,984 | | | 263,936 | | | (179,100) | | | 84,836 | | | Favorable contract asset | | 384,465 | | | (384,465) | | | — | | | 384,465 | | | (383,540) | | | 925 | | | Customer contracts | | 2,225,123 | | | (573,210) | | | 1,651,913 | | | 2,225,123 | | | (478,813) | | | 1,746,310 | | | | $ | 4,806,745 | | | $ | (2,838,613) | | | $ | 1,968,132 | | | $ | 4,806,795 | | | $ | (2,660,292) | | | $ | 2,146,503 | | | | | | | | | | | | | | | | Intangible liability | | | | | | | | | | | | | | Unfavorable contract liability | | $ | 2,341,478 | | | $ | (2,160,054) | | | $ | 181,424 | | | $ | 2,341,478 | | | $ | (2,136,143) | | | $ | 205,335 | |
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| Schedule of Future Amortization Expense |
Aggregate future amortization over the next five years and thereafter is estimated to be as follows: | | | | | | | | | | | | | | | | | | | | | | | Non-contract Related Intangibles | | Contract Related Intangibles | | Total | | Year 1 | | $ | 165,661 | | | $ | 147,747 | | | $ | 313,408 | | | Year 2 | | 94,324 | | | 157,128 | | | 251,452 | | | Year 3 | | 14,366 | | | 158,007 | | | 172,373 | | | Year 4 | | 5,650 | | | 158,542 | | | 164,192 | | | Year 5 | | 5,649 | | | 174,116 | | | 179,765 | | | Thereafter | | 3,673 | | | 674,949 | | | 678,622 | | | Total | | $ | 289,323 | | | 1,470,489 | | | $ | 1,759,812 | |
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