XML 64 R54.htm IDEA: XBRL DOCUMENT v3.19.2
Inventories (Details) - USD ($)
$ in Thousands
3 Months Ended
Jun. 30, 2019
Dec. 31, 2018
Components of inventories    
Raw materials $ 9,146 $ 13,698
Work in process 4,346 2,489
Finished goods 10,724 6,755
Inventories, net 24,216 $ 22,942
Inventory reserve $ 2,100