Note 3 - Inventories, Net - Schedule of Inventory (Details) - USD ($)	Sep. 30, 2025	Dec. 31, 2024
Raw materials	$ 3,901,573	$ 3,488,703
Work in process	836,163	912,397
Finished goods	1,749,754	1,527,975
Gross inventories	6,487,490	5,929,075
Less: Provision for obsolescence	(500,376)	(453,218)
Inventories, net	$ 5,987,114	$ 5,475,857

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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