XML 33 R15.htm IDEA: XBRL DOCUMENT v3.8.0.1
Trade Receivables
 12 Months Ended
Dec. 31, 2017
Receivables [Abstract]  
Trade Receivables TRADE RECEIVABLES

Trade receivables, net, consisted of the following (in thousands):
 
As of December 31,
 
2017
 
2016
Trade receivables
$
42,804

 
$
45,628

Allowance for doubtful accounts
(119
)
 
(170
)
 
$
42,685

 
$
45,458



Changes in our allowance for doubtful trade receivables were as follows (in thousands):
 
2017
 
2016
 
2015
Balance, January 1
$
170

 
$
918

 
$
108

Charges to bad debt expense
311

 
289

 
786

Recoveries (write-offs), net
(362
)
 
(1,037
)
 
24

Balance, December 31
$
119

 
$
170

 
$
918