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INCOME TAXES (Tables)
 6 Months Ended
Mar. 31, 2019
Income Tax Disclosure [Abstract]  
Schedule of Calculation of the 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,
 
2019
 
2018
 
2019
 
2018
Income (loss) before income taxes
$
1,363

 
$
(5,090
)
 
$
(1,571
)
 
$
(11,823
)
 
 
 
 
 
 
 
 
Income tax expense (benefit)
405

 
(1,760
)
 
166

 
(2,831
)
 
 
 
 
 
 
 
 
Net income (loss)
$
958

 
$
(3,330
)
 
$
(1,737
)
 
$
(8,992
)
 
 
 
 
 
 
 
 
Effective tax rate
30
%
 
35
%
 
(11
)%
 
24
%