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Note 1 - Nature of Business (Details Textual)	Oct. 03, 2023	May 05, 2023 $ / shares	Jun. 30, 2023
Number of Core Drug Technologies			3
NASDAQ Compliance, Minimum Closing Bid Price Per Share (in dollars per share)		$ 1
NASDAQ Compliance, Extension Period (Day)		180 days
Subsequent Event [Member] | Reverse Stock Split [Member] | Minimum [Member]
Stockholders' Equity Note, Stock Split, Conversion Ratio	5
Subsequent Event [Member] | Reverse Stock Split [Member] | Maximum [Member]
Stockholders' Equity Note, Stock Split, Conversion Ratio	20

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section S99
-Paragraph 4
-Subparagraph (SAB TOPIC 4.C)
-SubTopic 10
-Topic 505
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480008/505-10-S99-4

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