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Other Current Liabilities
 6 Months Ended
Jun. 30, 2017
Other Liabilities Disclosure [Abstract]  
Other Current Liabilities
Other Current Liabilities
Other current liabilities consist of the following (in thousands):
 
June 30, 2017
 
December 31, 2016
Customer incentives
$
4,852

 
$
3,766

Accrued interest
227

 
227

Other
1,176

 
1,006

Total other current liabilities
$
6,255

 
$
4,999