Note 4 - Inventory - Inventory (Details) - USD ($)	Dec. 31, 2023	Dec. 31, 2022
Raw materials and component parts	$ 3,989,444	$ 2,892,820
Work-in-process	4,514,263	5,158,252
Finished products	9,846,694	13,483,017
Total inventory	18,350,401	21,534,089
Less: inventory reserves	677,779	1,357,947
Net inventory	$ 17,672,622	$ 20,176,142