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Receivables, net (Tables)
 12 Months Ended
Sep. 30, 2018
Receivables [Abstract]  
Receivables, net
Receivables, net consist of the following:
 
 
September 30,
2018
 
2017
Tuition receivables
 
$
12,205

 
$
12,150

Tax receivables

322


—

Other receivables
 
9,578

 
3,626

Receivables
 
22,105

 
15,776

Less allowance for uncollectible accounts
 
(999
)
 
(579
)
 
 
$
21,106

 
$
15,197
Summary of the activity for our allowance for uncollectible accounts
The following table summarizes the activity for our allowance for uncollectible accounts for the year ended September 30:
 
 
Balance at
Beginning of
Period
 
Additions to
Bad Debt
Expense
 
Write-offs of
Uncollectible
Accounts
 
Balance at
End of
Period
2018
 
$
579

 
$
1,511

 
$
(1,091
)
 
$
999

2017
 
$
951

 
$
827

 
$
(1,199
)
 
$
579

2016
 
$
1,820

 
$
1,153

 
$
(2,022
)
 
$
951