XML 46 R31.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
2. Inventories, net (Details) - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Inventory Disclosure [Abstract]    
Finished goods $ 3,864 $ 2,004
Work in process 6,122 5,750
Raw materials 3,527 3,712
Total Inventory $ 13,513 $ 11,466