| Schedule of Intangible Assets |
As of September 30, 2025 and December 31, 2024 we had the following amounts related to intangible assets and liabilities other than goodwill:
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September 30, 2025 |
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December 31, 2024 |
| Intangible assets |
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Cost |
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Accumulated Amortization |
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Total |
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Cost |
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Accumulated Amortization |
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Total |
| Product certifications |
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$ |
777,465 |
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$ |
(727,178) |
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$ |
50,287 |
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$ |
777,465 |
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$ |
(709,855) |
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$ |
67,610 |
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| Patents |
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888,910 |
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(659,561) |
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229,349 |
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888,910 |
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(584,493) |
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304,417 |
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| Developed technology |
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240,000 |
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(200,000) |
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40,000 |
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240,000 |
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(188,000) |
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52,000 |
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| Trademarks |
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26,896 |
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— |
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26,896 |
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26,896 |
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— |
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26,896 |
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| In Process R&D |
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263,936 |
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(169,673) |
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94,263 |
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263,936 |
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(141,394) |
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122,542 |
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| Favorable contract asset |
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384,465 |
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(382,615) |
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1,850 |
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384,465 |
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(379,839) |
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4,626 |
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| Customer contracts |
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2,225,123 |
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(431,617) |
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1,793,506 |
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2,225,123 |
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(290,025) |
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1,935,098 |
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$ |
4,806,795 |
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$ |
(2,570,644) |
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$ |
2,236,151 |
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$ |
4,806,795 |
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$ |
(2,293,606) |
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$ |
2,513,189 |
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| Intangible liability |
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| Unfavorable contract liability |
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$ |
2,618,168 |
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$ |
(2,285,181) |
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$ |
332,987 |
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$ |
2,618,168 |
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$ |
(2,195,329) |
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$ |
422,839 |
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| Schedule of Future Amortization Expense |
Aggregate future amortization over the next five years is estimated to be as follows as of September 30, 2025:
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Non-contract Related Intangibles |
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Contract Related Intangibles |
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Total |
| Year 1 |
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$ |
166,345 |
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$ |
117,041 |
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$ |
283,386 |
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| Year 2 |
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165,584 |
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128,865 |
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294,449 |
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| Year 3 |
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58,732 |
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137,208 |
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195,940 |
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| Year 4 |
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10,022 |
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137,208 |
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147,230 |
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| Year 5 |
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5,650 |
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141,771 |
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147,421 |
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| Thereafter |
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7,566 |
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800,276 |
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807,842 |
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| Total |
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$ |
413,899 |
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1,462,369 |
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$ |
1,876,268 |
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