Quarterly report pursuant to Section 13 or 15(d)

Foreign Currency Translation (Details)

v3.19.2
Foreign Currency Translation (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Jun. 30, 2019
Jun. 30, 2018
Revenue from external customers        
Net sales $ 50,676 $ 43,914 $ 95,534 $ 84,466
Foreign operations        
Revenue from external customers        
Net sales $ 4,200 $ 4,500 $ 9,400 $ 9,900