Note A - Nature of Business and Summary of Significant Accounting Policies - Disaggregated Revenue (Details) - USD ($)	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018
Total Net Sales	$ 13,599,084	$ 13,445,565
Cosmetic Ingredients [Member]
Total Net Sales	6,377,323	7,529,487
Pharmaceuticals [Member]
Total Net Sales	4,091,817	3,510,720
Medical Product [Member]
Total Net Sales	2,968,806	2,232,141
Industrial And Other [Member]
Total Net Sales	$ 161,138	$ 173,217

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.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130545-203045

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 4
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130543-203045

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration