XML 67 R39.htm IDEA: XBRL DOCUMENT v3.20.1
Inventories (Details) - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Inventory Disclosure [Abstract]    
Finished products [1] $ 1,356 $ 251
Inventory, net $ 1,356 $ 251
[1] Includes amounts of $1,074 and $35 as of December 31, 2019 and 2018, respectively, with respect to inventory delivered to customers but for which revenue criteria have not been met yet.