Note 8 - Property and Equipment - Property and Equipment (Details) - USD ($)	Mar. 31, 2026	Jun. 30, 2025
Total property and equipment	$ 39,425,906	$ 37,053,807
Less accumulated depreciation and amortization	(23,597,667)	(21,189,746)
Total property and equipment, net	15,828,239	15,864,061
Manufacturing Equipment [Member]
Property and equipment, gross	25,861,656	24,257,063
Computer Equipment and Software [Member]
Property and equipment, gross	$ 1,519,200	1,449,494
Furniture and Fixtures [Member]
Useful life (Year)	5 years
Property and equipment, gross	$ 447,963	398,800
Leasehold Improvements [Member]
Property and equipment, gross	9,733,615	9,411,482
Construction in Progress [Member]
Property and equipment, gross	$ 1,863,472	$ 1,536,968
Minimum [Member] \| Manufacturing Equipment [Member]
Useful life (Year)	5 years
Minimum [Member] \| Computer Equipment and Software [Member]
Useful life (Year)	3 years
Minimum [Member] \| Leasehold Improvements [Member]
Useful life (Year)	5 years
Maximum [Member] \| Manufacturing Equipment [Member]
Useful life (Year)	10 years
Maximum [Member] \| Computer Equipment and Software [Member]
Useful life (Year)	5 years
Maximum [Member] \| Leasehold Improvements [Member]
Useful life (Year)	10 years

Amount of accumulated depreciation and amortization from plant, property, and equipment and right-of-use asset from finance lease.

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Amount, after accumulated depreciation and amortization, of property, plant, and equipment and finance lease right-of-use asset.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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Amount, before accumulated depreciation, depletion, and amortization, of property, plant, and equipment. Includes, but is not limited to, land and land improvement; building; machinery and equipment; furniture and fixture; and work of art, historical treasure, or similar asset classified as collection.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Useful life of property, plant, and equipment, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, land and land improvement; building; machinery and equipment; furniture and fixture; and work of art, historical treasure, or similar asset classified as collection.

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