Quarterly report [Sections 13 or 15(d)]

Note 15 - Related Party Transactions (Details Textual)

v3.26.1
Note 15 - Related Party Transactions (Details Textual)
3 Months Ended 6 Months Ended
Feb. 17, 2026
USD ($)
Jul. 30, 2025
Apr. 08, 2025
USD ($)
$ / shares
Dec. 14, 2024
USD ($)
Feb. 29, 2024
USD ($)
Jan. 11, 2024
USD ($)
Apr. 01, 2023
USD ($)
Jan. 19, 2023
USD ($)
Jan. 18, 2023
USD ($)
Mar. 31, 2026
USD ($)
ft²
shares
Mar. 31, 2025
USD ($)
Mar. 31, 2026
USD ($)
ft²
shares
Mar. 31, 2025
USD ($)
Feb. 18, 2026
USD ($)
Sep. 30, 2025
USD ($)
Mar. 31, 2023
Jul. 01, 2022
Jun. 23, 2022
USD ($)
Apr. 09, 2020
USD ($)
Isaac Capital Group, LLC [Member]                                      
Subsidiary, Ownership Percentage, Parent                   67.40%   67.40%              
Isaac Capital Group, LLC [Member]                                      
Investment Owned, Balance, Shares (in shares) | shares                   1,357,306   1,357,306              
Debt Instrument, Convertible, Number of Equity Instruments                   1,525,612                  
President [Member]                                      
Investment Owned, Balance, Shares (in shares) | shares                   217,177   217,177              
Isaac Capital Group, LLC [Member]                                      
Debt Conversion, Converted Instrument, Shares, Number of Rights (in shares) | shares                   1,525,612   1,525,612              
Isaac Capital Group, LLC [Member] | ICG Revolver [Member] | Revolving Credit Facility [Member]                                      
Line of Credit Facility, Maximum Borrowing Capacity                                   $ 6,000,000 $ 1,000,000
Long-Term Line of Credit                   $ 12,000,000   $ 12,000,000     $ 11,600,000        
Isaac Capital Group, LLC [Member] | ICG Revolver [Member] | Revolving Credit Facility [Member] | Conversion of IDG Revolver Into Common Stock [Member]                                      
Debt Conversion, Original Debt, Amount                   0                  
Isaac Capital Group, LLC [Member] | Second Amendment of the ICG Revolver [Member] | Revolving Credit Facility [Member]                                      
Line of Credit Facility, Maximum Borrowing Capacity             $ 1,000,000                        
Debt Instrument, Maturity Date             Apr. 08, 2024                        
Debt Instrument, Interest Rate, Stated Percentage             12.00%                 10.00%      
Isaac Capital Group, LLC [Member] | Third Amendment of the ICG Revolver [Member] | Revolving Credit Facility [Member]                                      
Line of Credit Facility, Maximum Borrowing Capacity           $ 5,000,000                          
Debt Instrument, Maturity Date           Apr. 08, 2025                          
Isaac Capital Group, LLC [Member] | Fourth Amendment to the ICG Revolver [Member] | Revolving Credit Facility [Member]                                      
Line of Credit Facility, Maximum Borrowing Capacity     $ 12,000,000                                
Debt Instrument, Maturity Date     Apr. 08, 2030                                
Debt Instrument, Convertible, Conversion Price (in dollars per share) | $ / shares     $ 7.85                                
Debt Instrument, Convertible, Beneficial Conversion Feature     $ 6,000,000                                
Isaac Capital Group, LLC [Member] | ICG PMW Note [Member] | Promissory Note [Member]                                      
Debt Instrument, Maturity Date       Dec. 17, 2029                              
Debt Instrument, Interest Rate, Stated Percentage       12.00%                              
Long-Term Debt, Gross       $ 2,600,000                              
Proceeds from Issuance of Debt       1,900,000                              
Debt Instrument, Unamortized Discount       $ 700,000                              
Long-Term Debt                   2,600,000   2,600,000     2,600,000        
Isaac Capital Group, LLC [Member] | Flooring Affiliated Holdings, LLC [Member] | ICG Flooring Liquidators Loan [Member] | Promissory Note [Member]                                      
Debt Instrument, Maturity Date                 Jan. 18, 2028                    
Debt Instrument, Interest Rate, Stated Percentage                 12.00%                    
Debt Instrument, Face Amount                 $ 5,000,000                    
Isaac Capital Group, LLC [Member] | Flooring Affiliated Holdings, LLC [Member] | First Amendment to the ICG Flooring Liquidators Loan [Member] | Promissory Note [Member]                                      
Debt Instrument, Maturity Date Aug. 18, 2029                                    
Debt Instrument, Face Amount $ 6,600,000                                    
Amendment Fee, Rate 0.01                                    
Debt Instrument, Fee Amount $ 66,000                                    
Long-Term Debt, Gross                   6,700,000   6,700,000   $ 6,700,000 5,000,000        
Spriggs Investments [Member] | The Spriggs Loan II [Member] | Promissory Note [Member]                                      
Debt Instrument, Maturity Date               Jul. 31, 2024                      
Debt Instrument, Interest Rate, Stated Percentage               12.00%                      
Debt Instrument, Face Amount               $ 1,000,000                      
Spriggs Investments [Member] | The 2024 Loan Modification Agreement of the Spriggs Loan II [Member] | Promissory Note [Member]                                      
Debt Instrument, Maturity Date         Jul. 31, 2025                            
Spriggs Investments [Member] | The 2024 Loan Modification Agreement of the Spriggs Loan II [Member] | Promissory Note [Member] | Minimum [Member]                                      
Debt Instrument, Periodic Payment         $ 300,000                            
Spriggs Investments [Member] | The 2025 Loan Modification Agreement of the Spriggs Loan II [Member] | Promissory Note [Member]                                      
Debt Instrument, Maturity Date   Jul. 31, 2026                                  
Long-Term Debt, Gross                   $ 800,000   $ 800,000     $ 800,000        
ALT5 Sigma Corporation [Member] | Las Vegas Office [Member]                                      
Area of Real Estate Property (Square Foot) | ft²                   9,900   9,900              
Rent and Other Reimbursed Expenses                   $ 88,000 $ 30,000 $ 168,000 $ 58,000            
Spyglass Estate Planning, LLC [Member] | Marquis Industries Inc [Member] | Building Leases [Member]                                      
Number of Building Leases                                 2    
Lessee, Operating Lease, Term of Contract (Year)                                 20 years    
Lessee, Operating Lease, Renewal Option                                 2    
Lessee, Operating Lease, Renewal Term (Year)                                 5 years    
Lessee, Operating Lease, Month-to-month Rental Option (Month)                                 24 months