Note 6 - Inventory - Components of Inventory (Details) - USD ($)	Mar. 31, 2024	Dec. 31, 2023
Finished goods	$ 4,367,510	$ 4,373,056
Fabricated assemblies	59,184	59,184
Reserve on finished goods	(3,986,500)	(3,986,500)
Total inventory	$ 440,194	$ 445,740