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Income Taxes (Tables)
9 Months Ended
Jun. 30, 2020
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 June 30,
 
Nine months ended June 30,
 
2020
 
2019
 
2020
 
2019
Income before income taxes
$
2,922

 
$
5,886

 
$
15,810

 
$
4,315

 
 
 
 
 
 
 
 
Income tax provision (benefit)
(559
)
 
797

 
2,133

 
963

 
 
 
 
 
 
 
 
Net income
$
3,481

 
$
5,089

 
$
13,677

 
$
3,352

 
 
 
 
 
 
 
 
Effective tax rate
(19
)%
 
14
%
 
13
%
 
22
%