Annual report [Section 13 and 15(d), not S-K Item 405]

Related Party Transactions (Details)

v3.25.3
Related Party Transactions (Details) - Related Party
$ / shares in Units, $ in Thousands
12 Months Ended
Sep. 30, 2025
USD ($)
ft²
Sep. 30, 2024
USD ($)
May 01, 2025
Apr. 08, 2025
USD ($)
$ / shares
Dec. 14, 2024
USD ($)
Jan. 11, 2024
USD ($)
Apr. 01, 2023
USD ($)
Mar. 31, 2023
Jan. 19, 2023
USD ($)
Jan. 18, 2023
USD ($)
Jul. 01, 2022
option
lease
Jun. 23, 2022
USD ($)
Jul. 10, 2020
USD ($)
Apr. 09, 2020
USD ($)
Dec. 31, 2015
USD ($)
Related Party Transaction [Line Items]                              
Total notes payable - related parties $ 20,060 $ 11,400                          
ICG Flooring Liquidators Note                              
Related Party Transaction [Line Items]                              
Debt stated interest rate (in percent)                   12.00%          
Total notes payable - related parties                   $ 5,000          
ICG Flooring Liquidators Note                              
Related Party Transaction [Line Items]                              
Total notes payable - related parties                   $ 5,000          
ICG PMW Note | ICG Revolving Promissory Note                              
Related Party Transaction [Line Items]                              
Debt face amount         $ 2,600                    
Debt stated interest rate (in percent) 12.00%                            
Issac Term Loan | ICG Term Loan                              
Related Party Transaction [Line Items]                              
Debt face amount                             $ 7,000
Isaac Capital Group, LLC                              
Related Party Transaction [Line Items]                              
Outstanding voting power (in percent) 67.40%                            
Isaac Capital Group, LLC | Revolving line of credit | ICG Revolving Promissory Note                              
Related Party Transaction [Line Items]                              
Debt stated interest rate (in percent)             12.00% 10.00%              
Credit line maximum       $ 12,000   $ 5,000 $ 1,000         $ 6,000   $ 1,000  
Debt instrument, conversion price (in usd per share) | $ / shares       $ 7.85                      
Isaac Capital Group, LLC | Issac Term Loan | ICG Term Loan                              
Related Party Transaction [Line Items]                              
Debt face amount                         $ 2,000    
Debt stated interest rate (in percent)     12.50%                        
ALT5 Sigma Corporation                              
Related Party Transaction [Line Items]                              
Rentable square feet of office space | ft² 9,900                            
Square feet of total office space | ft² 16,500                            
ALT5 Sigma Corporation | Rent Income                              
Related Party Transaction [Line Items]                              
Other operating income $ 117 $ 194                          
Spriggs Investments, LLC | Spriggs Promissory Note                              
Related Party Transaction [Line Items]                              
Debt face amount                         $ 2,000    
Debt stated interest rate (in percent)                         10.00%    
Spriggs Investments, LLC | Spriggs Promissory Note Two                              
Related Party Transaction [Line Items]                              
Debt face amount                 $ 1,000            
Debt stated interest rate (in percent)                 12.00%            
Spyglass Estate Planning, LLC                              
Related Party Transaction [Line Items]                              
Term of contract                     24 months        
Lessee, renewal option | option                     2        
Lessee, renewal term                     5 years        
Rental cancel notice                     90 days        
Lease term                     20 years        
Spyglass Estate Planning, LLC | Better Backers                              
Related Party Transaction [Line Items]                              
Lessee, renewal term                     5 years        
Spyglass Estate Planning, LLC | Building                              
Related Party Transaction [Line Items]                              
Number of building | lease                     2        
Term of contract                     20 years