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REVENUE RECOGNITION - Balance Sheet (Details) - USD ($)
$ in Thousands
Jun. 30, 2019
Sep. 30, 2018
Current Liabilities:    
Customer advances $ 6,516 $ 4,925
Shareholder's equity:    
Accumulated deficit (17,387) $ (16,231)
Previously Reported [Member]    
Current Liabilities:    
Customer advances 6,415  
Shareholder's equity:    
Accumulated deficit (17,286)  
New Accounting Pronouncement, Early Adoption, Effect [Member]    
Current Liabilities:    
Customer advances (101)  
Shareholder's equity:    
Accumulated deficit $ 101