v3.26.1
Note 1 - Description of the Business, Basis of Presentation and Summary of Significant Accounting Policies - Schedule of Anti-dilutive Securities (Details) - shares
12 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Antidilutive securities (in shares) 10,759,906 1,981,098
Warrant [Member]    
Antidilutive securities (in shares) 4,334 87,531
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) 13,500 243,483
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
Series C Warrants [Member]    
Antidilutive securities (in shares) 9,003,332 0
Representative's Warrants [Member]    
Antidilutive securities (in shares) 180,641 91,985