| Schedule of Finite-Lived Intangible Assets |
Intangible assets and liabilities at December 31, 2024 and 2023 consist of the following:
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December 31, 2024 |
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December 31, 2023 |
| Intangible assets |
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Cost |
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Accumulated Amortization |
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Net |
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Cost |
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Accumulated Amortization |
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Net |
| Product certifications |
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$ |
777,465 |
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$ |
(709,855) |
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$ |
67,610 |
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$ |
777,465 |
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$ |
(658,676) |
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$ |
118,789 |
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| Patents |
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888,910 |
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(584,493) |
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304,417 |
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888,910 |
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(496,807) |
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392,103 |
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| Developed technology |
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240,000 |
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(188,000) |
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52,000 |
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240,000 |
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(172,000) |
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68,000 |
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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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(141,394) |
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122,542 |
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263,936 |
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(103,689) |
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160,247 |
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| Favorable contract assets |
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384,465 |
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(379,839) |
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4,626 |
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384,465 |
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(376,139) |
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8,326 |
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| Customer contract |
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$ |
2,225,123 |
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$ |
(290,025) |
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1,935,098 |
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$ |
1,772,659 |
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$ |
(110,791) |
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1,661,868 |
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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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$ |
4,354,331 |
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$ |
(1,918,102) |
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$ |
2,436,229 |
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| Intangible liability |
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| Unfavorable contract liability |
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$ |
2,618,168 |
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$ |
(2,195,329) |
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$ |
422,839 |
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$ |
2,618,168 |
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$ |
(2,019,122) |
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$ |
599,046 |
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| Schedule of Estimated Future Amortization Expense |
Aggregate future amortization over the next five years is estimated to be as follows:
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Non-contract related intangibles |
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Contract related intangibles |
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Total |
| 2025 |
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$ |
169,754 |
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$ |
79,042 |
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$ |
248,796 |
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| 2026 |
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168,244 |
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124,483 |
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292,727 |
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| 2027 |
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167,936 |
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131,199 |
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299,135 |
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| 2028 |
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23,278 |
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137,208 |
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160,486 |
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| 2029 |
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5,786 |
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137,208 |
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142,994 |
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| Thereafter |
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11,571 |
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907,745 |
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919,316 |
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$ |
546,569 |
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$ |
1,516,885 |
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$ |
2,063,454 |
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