Quarterly report pursuant to Section 13 or 15(d)

Inventories (Details)

v3.19.2
Inventories (Details) - USD ($)
$ in Thousands
6 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Dec. 31, 2018
Inventories      
Finished goods $ 10,367   $ 9,194
Work in process 558   454
Raw materials 2,662   2,334
Inventories 13,587   $ 11,982
Inventory write-downs $ (95) $ 582