Note 5 - Property and Equipment - Schedule of Property, Plant and Equipment (Details) - USD ($)	Mar. 31, 2024	Dec. 31, 2023
Property, Plant, and Equipment Gross	$ 4,828,890	$ 4,821,980
Less: Accumulated depreciation	(3,741,172)	(3,588,070)
Total Property and Equipment, Net	1,087,718	1,233,910
Office Equipment [Member]
Property, Plant, and Equipment Gross	481,314	480,882
Leasehold Improvements [Member]
Property, Plant, and Equipment Gross	506,162	506,162
Laboratory Equipment [Member]
Property, Plant, and Equipment Gross	3,670,097	3,670,097
Manufacturing Tooling [Member]
Property, Plant, and Equipment Gross	139,763	133,285
Demo Equipment [Member]
Property, Plant, and Equipment Gross	$ 31,554	$ 31,554