v3.26.1
Note 9 - Receivables Purchase Program (Details Textual) - USD ($)
$ in Millions
12 Months Ended
Mar. 31, 2026
Aug. 12, 2025
Investment, Variable Interest Rate, Type [Extensible Enumeration]   Secured Overnight Financing Rate (SOFR) [Member]
Receivables Derecognized but Continued to Service $ 4.0  
Receivables Purchase Agreement [Member]    
Investment, Basis Spread, Variable Rate   1.00%
Receivables Purchase Program, Purchase Limit 46.0 $ 50.0
Proceeds from Sale and Collection of Receivables $ 5.6