Quarterly report pursuant to Section 13 or 15(d)

Foreign Currency Translation (Details)

v3.5.0.2
Foreign Currency Translation (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Sep. 30, 2016
Sep. 30, 2015
Revenue from external customers        
Net sales $ 99,586 $ 97,653 $ 298,167 $ 282,314
Canadian operations        
Revenue from external customers        
Net sales $ 7,600 $ 5,500 $ 21,000 $ 16,500