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Note 9 - Goodwill and Intangible Assets - Intangible Assets (Details) - USD ($) | Mar. 31, 2026 | Jun. 30, 2025 | Feb. 18, 2025
--- | --- | --- | ---
Finite-lived intangible assets, gross | $ 29,361,547 | $ 26,381,547 |
Less accumulated amortization | (11,771,919) | (10,393,624) |
Total intangible assets, net | 17,589,628 | 15,987,923 |
Customer Relationships [Member] |  |  |
Useful life (Year) |  |  | 15 years
Finite-lived intangible assets, gross | $ 10,422,300 | 8,852,300 |
Customer Relationships [Member] | Minimum [Member] |  |  |
Useful life (Year) | 10 years |  |
Customer Relationships [Member] | Maximum [Member] |  |  |
Useful life (Year) | 15 years |  |
Trade Secrets [Member] |  |  |
Finite-lived intangible assets, gross | $ 9,928,304 | 8,998,304 |
Trade Secrets [Member] | Minimum [Member] |  |  |
Useful life (Year) | 8 years |  |
Trade Secrets [Member] | Maximum [Member] |  |  |
Useful life (Year) | 10 years |  |
Trade Names [Member] |  |  |
Useful life (Year) |  |  | 15 years
Finite-lived intangible assets, gross | $ 8,096,418 | 7,706,418 |
Trade Names [Member] | Minimum [Member] |  |  |
Useful life (Year) | 8 years |  |
Trade Names [Member] | Maximum [Member] |  |  |
Useful life (Year) | 15 years |  |
Order or Production Backlog [Member] |  |  |
Useful life (Year) | 1 year |  | 1 year
Finite-lived intangible assets, gross | $ 914,525 | $ 824,525 |

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