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Note 6 - Property, Plant and Equipment, Net - Schedule of Property, Plant and Equipment, Net (Details) - USD ($)	Sep. 30, 2025	Dec. 31, 2024
Property, Plant and Equipment, Gross	$ 45,939,840	$ 46,390,570
Accumulated depreciation	(21,599,100)	(21,041,551)
Property, plant and equipment, net	24,340,740	25,349,019
Laboratory and Manufacturing Equipment [Member]
Property, Plant and Equipment, Gross	$ 20,888,337	21,234,259
Laboratory and Manufacturing Equipment [Member] | Minimum [Member]
Property, Plant and Equipment, Useful Life (Year)	3 years
Laboratory and Manufacturing Equipment [Member] | Maximum [Member]
Property, Plant and Equipment, Useful Life (Year)	10 years
Building and Building Improvements [Member]
Property, Plant and Equipment, Gross	$ 20,960,522	20,889,395
Building and Building Improvements [Member] | Minimum [Member]
Property, Plant and Equipment, Useful Life (Year)	10 years
Building and Building Improvements [Member] | Maximum [Member]
Property, Plant and Equipment, Useful Life (Year)	39 years
Office Furniture and Equipment [Member]
Property, Plant and Equipment, Gross	$ 928,550	1,056,145
Office Furniture and Equipment [Member] | Minimum [Member]
Property, Plant and Equipment, Useful Life (Year)	3 years
Office Furniture and Equipment [Member] | Maximum [Member]
Property, Plant and Equipment, Useful Life (Year)	10 years
Construction in Progress [Member]
Property, Plant and Equipment, Gross	$ 2,645,564	2,693,904
Land [Member]
Property, Plant and Equipment, Gross	$ 516,867	$ 516,867

X

- Definition

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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