XML 29 R32.htm IDEA: XBRL DOCUMENT v3.19.3
Inventories (Details) - USD ($)
$ in Thousands
Sep. 30, 2019
Dec. 31, 2018
Inventory Disclosure [Abstract]    
Raw materials $ 3,459 $ 1,291
Work-in-process 2,733 3,485
Finished goods 2,962 3,614
Total inventories 9,154 8,390
Reserve for inventory $ 200 $ 200