Note 6 - Inventory - Components of Inventory (Details) - USD ($)	Jun. 30, 2023	Dec. 31, 2022
Finished goods	$ 4,714,372	$ 4,764,643
Fabricated assemblies	69,726	69,726
Reserve on finished goods	(400,000)	(400,000)
Total inventory	$ 4,384,098	$ 4,434,369