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Receivables and Allowance for Doubtful Accounts
 12 Months Ended
Dec. 31, 2012
Accounts, Notes, Loans and Financing Receivable, Gross, Allowance, and Net [Abstract]  
Receivables and Allowance for Doubtful Accounts
Note B — Receivables and Allowance for Doubtful Accounts
Receivables consist of the following:
 
 
December 31,
 
 
2012
 
2011
 
 
(In thousands)
Installment sales receivable
 
$
46,753

 
$
46,418

Trade and notes receivables
 
8,986

 
9,903

Total
 
55,739

 
56,321

Less allowance for doubtful accounts
 
(6,917
)
 
(8,100
)
Net receivables
 
$
48,822

 
$
48,221


The allowance for doubtful accounts related to installment sales receivable was $6.3 million and $6.4 million, and the allowance for doubtful accounts related to trade receivables was $596,000 and $1.7 million at December 31, 2012 and 2011, respectively.
Changes in our allowance for doubtful accounts are as follows: 
 
 
December 31,
 
 
2012
 
2011
 
2010
 
 
(In thousands)
Beginning balance
 
$
8,100

 
$
8,673

 
$
9,753

Bad debt expense
 
3,728

 
3,407

 
16,168

Accounts written off
 
(8,391
)
 
(8,289
)
 
(23,107
)
Recoveries
 
3,480

 
4,309

 
5,859

Ending balance
 
$
6,917

 
$
8,100

 
$
8,673