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Trade Receivables (Tables)
 12 Months Ended
Dec. 31, 2014
Receivables [Abstract]  
Allowance for doubtful accounts
Trade receivables, net, consisted of the following (in thousands):
 
December 31,
 
2014
 
2013
Trade receivables
$
26,368

 
$
25,389

Allowance for doubtful accounts
(108
)
 
(53
)
 
$
26,260

 
$
25,336
Schedule Of Changes In Allowance For Doubtful Accounts
Changes in our allowance for doubtful trade receivables were as follows (in thousands):
 
2014
 
2013
 
2012
Balance, January 1
$
53

 
$
93

 
$
300

Charges to (reversals of) bad debt expense
104

 
588

 
(13
)
Writeoffs, net of recoveries
(49
)
 
(628
)
 
(194
)
Balance, December 31
$
108

 
$
53

 
$
93