Note 8 - Property and Equipment - Property and Equipment (Details) - USD ($)	Sep. 30, 2026	Jun. 30, 2026
Total property and equipment	$ 46,168,735	$ 43,755,845
Less accumulated depreciation and amortization	(25,335,677)	(24,392,819)
Total property and equipment, net	20,833,058	19,363,026
Manufacturing Equipment [Member]
Property and equipment, gross	31,992,904	29,462,865
Computer Equipment and Software [Member]
Property and equipment, gross	$ 1,580,743	1,529,767
Furniture and Fixtures [Member]
Useful life (Year)	5 years
Property and equipment, gross	$ 434,771	441,908
Leasehold Improvements [Member]
Property and equipment, gross	9,779,714	9,807,067
Construction in Progress [Member]
Property and equipment, gross	$ 2,380,603	$ 2,514,238
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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Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
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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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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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