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BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Narrative (Details)
$ in Thousands
12 Months Ended
Sep. 30, 2025
USD ($)
segment
revenueStream
Sep. 30, 2024
USD ($)
Sep. 30, 2023
USD ($)
Sep. 13, 2024
USD ($)
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES        
Foreign exchange losses $ 865 $ (831) $ 1,682  
Number of reportable segments | segment 2      
Number of revenue streams | revenueStream 2      
Period of notice for termination of fee-for-service contracts 30 days      
Cash and cash equivalents $ 21,741 21,432    
Senior Secured Second Lien PIK Notes Due 2027 | Secured Debt        
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES        
Annual interest rate       15.00%
Credit Agreement        
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES        
Line of credit borrowing capacity       $ 22,550
Cap on reinvestment of funds from extraordinary receipts and asset sales and casualty events       $ 5,000
Noncompliance grace period subsequent to quarter end       55 days
Noncompliance grace period subsequent to fiscal year end       100 days
Revolving Credit Facility        
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES        
Line of credit outstanding $ 3,000 $ 0    
Cost of products and services | Vendor concentration risk | RMS        
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES        
Concentration of risk percentage   11.90%    
Revenue from Contract with Customer Benchmark | Customer concentration risk | RMS | One customer        
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES        
Concentration of risk percentage 16.60% 15.90% 22.00%  
Minimum        
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES        
Operating lease, extension term of real estate leases 1 year      
Finance lease, extension term of real estate leases 1 year      
Maximum        
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES        
Operating lease, extension term of real estate leases 5 years      
Finance lease, extension term of real estate leases 5 years