Note 4 - Inventory - Inventory (Details) - USD ($)	Jun. 30, 2023	Dec. 31, 2022
Raw materials and component parts	$ 4,207,457	$ 2,892,820
Work-in-process	5,697,360	5,158,252
Finished products	11,712,743	13,483,017
Total inventory	21,617,560	21,534,089
Less: inventory reserves	601,847	1,357,947
Net inventory	$ 21,015,713	$ 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 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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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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