Note 3 - Inventory (Details Textual) - USD ($)	3 Months Ended
Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2023
Inventory Write-down	$ 43,204	$ 234,394
Inventory Valuation Reserves	927,340		$ 1,029,657
Prepaid Supplies	310,265		449,242
Inventory Turnover, Quantities on Hand, and Expiration Dates [Member]
Inventory Valuation Reserves	248,587		385,069
Products Quarantined for Quality Issues [Member]
Inventory Valuation Reserves	334,269		306,276
Discontinued Inventories [Member]
Inventory Valuation Reserves	$ 344,484		$ 338,312

Amount of consideration paid in advance for supplies that provide economic benefits within a future period of one year or the normal operating cycle, if longer.

Reference 1: http://www.xbrl.org/2003/role/exampleRef
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Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 340
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Reference 3: http://www.xbrl.org/2003/role/exampleRef
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Name:	us-gaap_Supplies
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant