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v3.25.3

Note 2 - Summary of Significant Accounting Policies - Long-lived Assets Valuation (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)
Net book value | 24,340,740 | 25,349,019
Re-Tain Assets [Member] |  |
Property, Plant and Equipment, Gross | 25,235,331 |
Accumulated depreciation | (9,775,788) |
Net book value | 15,459,543 |
Land [Member] |  |
Property, Plant and Equipment, Gross | 516,867 | 516,867
Land [Member] | Re-Tain Assets [Member] |  |
Property, Plant and Equipment, Gross | 448,201 |
Building and Building Improvements [Member] |  |
Property, Plant and Equipment, Gross | 20,960,522 | 20,889,395
Building and Building Improvements [Member] | Re-Tain Assets [Member] |  |
Property, Plant and Equipment, Gross | 12,725,789 |
Laboratory and Manufacturing Equipment [Member] |  |
Property, Plant and Equipment, Gross | 20,888,337 | 21,234,259
Laboratory and Manufacturing Equipment [Member] | Re-Tain Assets [Member] |  |
Property, Plant and Equipment, Gross | 9,744,390 |
Construction in Progress [Member] |  |
Property, Plant and Equipment, Gross | 2,645,564 | $ 2,693,904
Construction in Progress [Member] | Re-Tain Assets [Member] |  |
Property, Plant and Equipment, Gross | $ 2,316,951 |

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