v3.26.1
Note 8 - Notes Payable (Details Textual) - USD ($)
1 Months Ended 12 Months Ended
Jun. 17, 2020
Aug. 31, 2023
Mar. 31, 2026
Mar. 31, 2025
Mar. 31, 2024
Jul. 31, 2022
Interest Expense, Debt     $ 300,000      
Revolving Credit Facility [Member]            
Debt Instrument, Interest Rate, Stated Percentage           2.50%
Interest Expense, Debt       $ 700,000    
Capchase [Member] | Subordinated Debt [Member] | Revolving Credit Facility [Member]            
Debt Instrument, Interest Rate, Stated Percentage   9.00%        
Interest Expense, Debt     $ 200,000 200,000    
Debt Instrument, Face Amount   $ 1,700,000        
Debt Instrument, Periodic Payment   $ 73,100        
SBA Loan [Member]            
Proceeds from Notes Payable $ 200,000          
Debt Instrument, Term (Year) 30 years          
Debt Instrument, Interest Rate, Stated Percentage 3.75%          
SBA Loan [Member] | Maximum [Member]            
Interest Expense, Debt       $ 10,000 $ 10,000