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 6 Months Ended
Jun. 30, 2016
Jun. 30, 2015
Jun. 30, 2016
Jun. 30, 2015
Revenue from external customers        
Net sales $ 105,257 $ 91,970 $ 198,580 $ 184,662
Canadian operations        
Revenue from external customers        
Net sales $ 6,900 $ 5,400 $ 13,500 $ 11,000