XML 44 R33.htm IDEA: XBRL DOCUMENT v3.19.2
Inventory - Schedule of Inventory (Details) - USD ($)
$ in Thousands
Jun. 30, 2019
Dec. 31, 2018
Inventory Disclosure [Abstract]    
Finished goods $ 148 $ 284
Work in process 104 111
Raw materials and supplies 966 739
Total inventory $ 1,218 $ 1,134