Note F - Geographic and Other Information - Net Sales (Details) - USD ($)	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018
Gross Sales	$ 14,753,831	$ 14,458,055
Less: Discounts and allowances	(1,154,747)	(1,012,490)
Total Net Sales	13,599,084	13,445,565
Cosmetic Ingredients [Member]
Gross Sales	6,383,224	7,529,487
Total Net Sales	6,377,323	7,529,487
Pharmaceuticals [Member]
Gross Sales	5,238,226	4,516,537
Total Net Sales	4,091,817	3,510,720
Medical Product [Member]
Gross Sales	2,971,243	2,238,813
Total Net Sales	2,968,806	2,232,141
Industrial And Other [Member]
Gross Sales	161,138	173,218
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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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration