Note 1 - Business (Details Textual)	Jan. 18, 2024	Jan. 13, 2024	Dec. 19, 2023	Jun. 01, 2023	Jan. 18, 2023	Jan. 13, 2023
Reverse Stock Split [Member]
Stockholders' Equity Note, Stock Split, Conversion Ratio	20	0.0020	20	0.0030	0.0040	40

Ratio applied to the conversion of stock split, for example but not limited to, one share converted to two or two shares converted to one.

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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