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SEGMENT INFORMATION (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Mar. 31, 2018
Mar. 31, 2017
Mar. 31, 2018
Mar. 31, 2017
Segment Reporting Information [Line Items]        
Revenue $ 5,944 $ 6,359 $ 11,321 $ 12,533
Operating income (loss): 110 555 121 649
Interest expense (48) (134) (100) (210)
Other income 4 1 4 2
Income before income taxes 66 422 25 441
Service Segment [Member]        
Segment Reporting Information [Line Items]        
Revenue 5,030 4,962 9,555 10,226
Operating income (loss): 244 445 426 739
Product Segment [Member]        
Segment Reporting Information [Line Items]        
Revenue 914 1,397 1,766 2,307
Operating income (loss): $ (134) $ 110 $ (305) $ (90)