Note 1 - Organization (Details Textual) - Viewpoint Molecular Targeting, Inc. [Member]	Feb. 03, 2023 shares
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares (in shares)	136,545,075
Business Acquisition, Percentage of Voting Interests Issued	49.00%

Number of shares of equity interests issued or issuable to acquire entity.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 805
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (b)(4)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479581/805-30-50-1

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Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration