INCOME TAXES - Schedule of Calculation of the Effective Tax Rate (Details) - USD ($) $ in Thousands	3 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Income Tax Disclosure [Abstract]
Loss before income taxes	$ (2,934)	$ (6,733)
Income tax benefit	(239)	(1,071)
Net loss	$ (2,695)	$ (5,662)
Effective tax rate	8.00%	16.00%