Note 6 - Property and Equipment, Net - Property and Equipment (Details) - USD ($)	Jun. 30, 2026	Jun. 30, 2025
Total property and equipment	$ 43,755,845	$ 37,053,807
Less accumulated depreciation and amortization	(24,392,819)	(21,189,746)
Total property and equipment, net	19,363,026	15,864,061
Manufacturing Equipment [Member]
Property and equipment, gross	29,462,865	24,257,063
Computer Equipment and Software [Member]
Property and equipment, gross	$ 1,529,767	1,449,494
Furniture and Fixtures [Member]
Useful life (Year)	5 years
Property and equipment, gross	$ 441,908	398,800
Leasehold Improvements [Member]
Property and equipment, gross	9,807,067	9,411,482
Construction in Progress [Member]
Property and equipment, gross	$ 2,514,238	$ 1,536,968
Minimum [Member]
Useful life (Year)	1 year
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]
Useful life (Year)	10 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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+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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