Quarterly report pursuant to Section 13 or 15(d)

Inventories (Details)

v3.19.3
Inventories (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Dec. 31, 2018
Inventories          
Finished goods $ 10,338   $ 10,338   $ 9,194
Work in process 796   796   454
Raw materials 2,548   2,548   2,334
Inventories 13,682   13,682   $ 11,982
Inventory write-downs $ 51 $ 295 $ (44) $ 877