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INCOME TAXES (Tables)
 6 Months Ended
Mar. 31, 2017
Income Tax Disclosure [Abstract]  
Schedule of Effective Income Tax Rate
The calculation of the effective tax rate is as follows (in thousands):
 
Three months ended March 31,
 
Six months ended March 31,
 
2017
 
2016
 
2017
 
2016
Income (loss) before income taxes
$
(2,174
)
 
$
6,294

 
$
(3,914
)
 
$
4,788

 
 
 
 
 
 
 
 
Income tax provision (benefit)
(1,345
)
 
727

 
(2,786
)
 
(320
)
 
 
 
 
 
 
 
 
Net income (loss)
$
(829
)
 
$
5,567

 
$
(1,128
)
 
$
5,108

 
 
 
 
 
 
 
 
Effective tax rate
62
%
 
12
%
 
71
%
 
(7
)%