Note 9 - Goodwill and Intangible Assets - Intangible Assets (Details) - USD ($)	Sep. 30, 2026	Jun. 30, 2026
Finite-lived intangible assets, gross	$ 29,361,547	$ 29,361,547
Finite-lived intangible assets, accumulated amortization	(12,681,972)	(12,226,946)
Finite-lived intangible assets, net	16,679,575	17,134,601
Customer Relationships [Member]
Finite-lived intangible assets, gross	10,422,300	10,422,300
Finite-lived intangible assets, accumulated amortization	(3,042,737)	(2,854,929)
Finite-lived intangible assets, net	$ 7,379,563	7,567,371
Customer Relationships [Member] \| Minimum [Member]
Useful life, finite-lived intangible assets (Year)	10 years
Customer Relationships [Member] \| Maximum [Member]
Useful life, finite-lived intangible assets (Year)	15 years
Know-how [Member]
Finite-lived intangible assets, gross	$ 9,928,304	9,928,304
Finite-lived intangible assets, accumulated amortization	(4,401,594)	(4,235,186)
Finite-lived intangible assets, net	$ 5,526,710	5,693,118
Know-how [Member] \| Minimum [Member]
Useful life, finite-lived intangible assets (Year)	8 years
Know-how [Member] \| Maximum [Member]
Useful life, finite-lived intangible assets (Year)	10 years
Trade Names [Member]
Finite-lived intangible assets, gross	$ 8,096,418	8,096,418
Finite-lived intangible assets, accumulated amortization	(4,351,056)	(4,272,746)
Finite-lived intangible assets, net	$ 3,745,362	3,823,672
Trade Names [Member] \| Minimum [Member]
Useful life, finite-lived intangible assets (Year)	8 years
Trade Names [Member] \| Maximum [Member]
Useful life, finite-lived intangible assets (Year)	15 years
Order or Production Backlog [Member]
Useful life, finite-lived intangible assets (Year)	1 year
Finite-lived intangible assets, gross	$ 914,525	914,525
Finite-lived intangible assets, accumulated amortization	(886,585)	(864,085)
Finite-lived intangible assets, net	$ 27,940	$ 50,440

Useful life of finite-lived intangible asset, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Excludes goodwill and capitalized cost for software to be sold, leased, or marketed.

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Amount of accumulated amortization of finite-lived intangible asset. Excludes goodwill and capitalized cost for software to be sold, leased, or marketed.

+ References

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Amount, before accumulated amortization, of finite-lived intangible asset. Excludes goodwill and capitalized cost for software to be sold, leased, or marketed.

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Amount, after accumulated amortization, of finite-lived intangible asset. Excludes goodwill and capitalized cost for software to be sold, leased, or marketed.

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