v3.25.4
Note 1 - Description of the Business, Basis of Presentation and Summary of Significant Accounting Policies - Schedule of Anti-dilutive Securities (Details) - shares
9 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Antidilutive securities (in shares) 10,759,906 2,006,848
Warrant [Member]    
Antidilutive securities (in shares) 4,334 87,531
Convertible Debt Securities [Member]    
Antidilutive securities (in shares) [1] 0 33,250
Bridge Financing Warrants in Connection with Convertible Notes [Member[    
Antidilutive securities (in shares) 25,003 25,003
Share-Based Payment Arrangement, Option [Member]    
Antidilutive securities (in shares) 13,500 235,983
Series A Warrants [Member]    
Antidilutive securities (in shares) 55,500 1,533,096
Series B Warrants [Member]    
Antidilutive securities (in shares) 1,477,596 0
Representative's Warrants [Member]    
Antidilutive securities (in shares) 180,641 91,985
Series C Warrants [Member]    
Antidilutive securities (in shares) 9,003,332 0
[1] Shares for the convertible note proceeds received