Note 4 - Inventory - Inventory (Details) - USD ($)	Mar. 31, 2024	Dec. 31, 2023
Raw materials and component parts	$ 3,720,613	$ 3,989,444
Work-in-process	5,199,148	4,514,263
Finished products	11,223,973	9,846,694
Total inventory	20,143,734	18,350,401
Less: inventory reserves	1,020,677	677,779
Net inventory	$ 19,123,057	$ 17,672,622