Note 4 - Inventory - Inventory (Details) - USD ($)	Sep. 30, 2024	Dec. 31, 2023
Raw materials and component parts	$ 4,422,348	$ 3,989,444
Work-in-process	4,729,833	4,514,263
Finished products	9,943,277	9,846,694
Total inventory	19,095,458	18,350,401
Less: inventory reserves	779,398	677,779
Net inventory	$ 18,316,060	$ 17,672,622

Amount before valuation and LIFO reserves of completed merchandise or goods expected to be sold within one year or operating cycle, if longer.

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Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer.

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Amount before valuation and LIFO reserves of raw materials expected to be sold, or consumed within one year or operating cycle, if longer.

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