Note 6. Intangible Assets Intangible assets consisted of the following: | | September 30, 2026 | | | | Estimated Life | | Cost | | | Accumulated Amortization | | | Net Book Value | | Trade name | | 5 years | | $ | 383,792 | | | $ | 316,629 | | | $ | 67,163 | | Intangible assets | | | | $ | 383,792 | | | $ | 316,629 | | | $ | 67,163 | |
| | June 30, 2026 | | | | Estimated Life | | Cost | | | Accumulated Amortization | | | Net Book Value | | Trade name | | 5 years | | $ | 383,792 | | | $ | 297,439 | | | $ | 86,353 | | Intangible assets | | | | $ | 383,792 | | | $ | 297,439 | | | $ | 86,353 | |
Amortization expense was $19,190 for the three months ended September 30, 2026 and 2025. Future amortization of intangible assets as of September 30, 2026 is set forth below for the years then ended: | | June 30, 2027 | | $ | 57,569 | | June 30, 2028 | | | 9,594 | | Total | | $ | 67,163 | |
|