Note 4 - Inventory - Inventory (Details) - USD ($)	Sep. 30, 2023	Dec. 31, 2022
Raw materials and component parts	$ 4,394,288	$ 2,892,820
Work-in-process	4,886,432	5,158,252
Finished products	11,985,900	13,483,017
Total inventory	21,266,620	21,534,089
Less: inventory reserves	616,847	1,357,947
Net inventory	$ 20,649,773	$ 20,176,142

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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 of valuation reserve for inventory.

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

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