XML 68 R52.htm IDEA: XBRL DOCUMENT v3.19.1
Inventory - Schedule of Inventory (Details) - USD ($)
$ in Thousands
Dec. 31, 2018
Dec. 31, 2017
Inventory Disclosure [Abstract]    
Raw materials $ 152 $ 182
Finished goods 109 47
Inventory, net $ 261 $ 229