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OUR BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Narrative (Details) - USD ($)
3 Months Ended 6 Months Ended 12 Months Ended
Mar. 31, 2017
Mar. 31, 2017
Apr. 01, 2016
Sep. 30, 2016
Accounting Policies [Abstract]        
Asset impairment charges   $ 0    
Goodwill $ 101,000 101,000   $ 101,000
Goodwill impairment   0    
Deferred grants recorded 0     0
Outstanding grant balance $ 200,000 $ 200,000   $ 300,000
Material Management [Member]        
Maximum percentage of total revenue   5.00% 5.00%