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Note 1 - Nature of the Business and the Basis of Preparation (Details Textual) - USD ($)
1 Months Ended
Feb. 19, 2025
Jan. 24, 2025
Jan. 31, 2025
Mar. 31, 2025
SEED Therapeutics Inc. [Member]        
Ownership Percentage in Subsidiaries     14.37% 37.56%
Seed [Member]        
Ownership Percentage in Subsidiaries       40.12%
Seed [Member]        
Proceeds from Sale, Maturity and Collection of Investments $ 7,354,000 $ 35,418 $ 35,418,000