Note 8 - Revenue Recognition - Disaggregated Revenue (Details) - USD ($)	3 Months Ended	6 Months Ended
Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Net sales	$ 2,838,225	$ 3,390,205	$ 5,319,352	$ 6,645,149
Cosmetic Ingredients [Member]
Net sales	896,549	1,419,374	1,595,546	3,295,856
Pharmaceuticals [Member]
Net sales	1,451,679	1,413,664	2,620,137	2,363,987
Medical [Member]
Net sales	$ 489,997	$ 557,167	$ 1,103,669	$ 985,306

Amount, including tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value-added and excise.

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+ Details