v3.26.1
Note 3 - Summary of Significant Accounting Policies (Details Textual) - shares
3 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Share-Based Payment Arrangement, Option [Member]    
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares) 0 0
Warrant [Member]    
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares) 0 12,500,000