XML 72 R56.htm IDEA: XBRL DOCUMENT v3.20.1
Inventories (Detail) - USD ($)
$ in Thousands
Mar. 31, 2020
Dec. 31, 2019
Inventory Disclosure [Abstract]    
Raw materials $ 5,802 $ 4,612
Work-in-progress 129 100
Finished goods 10,012 11,433
Total $ 15,943 $ 16,145