Note 3 - Inventories - Summary of Inventories (Details) - USD ($)	Sep. 30, 2024	Dec. 31, 2023
Raw materials	$ 506,958	$ 488,548
Work-in-process	50,086	132,511
Finished goods	1,382,735	922,194
Inventory allowance	(23,269)	(9,661)
Inventories, net	$ 1,916,510	$ 1,533,592

Carrying amount, net of valuation reserves and adjustments, as of the balance sheet date of merchandise or goods held by the company that are readily available for sale.

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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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