XML 53 R36.htm IDEA: XBRL DOCUMENT v3.10.0.1
Inventories (Detail) - USD ($)
$ in Thousands
Jun. 30, 2018
Dec. 31, 2017
Inventory Disclosure [Abstract]    
Work-in-process $ 2,843 $ 4,299
Finished goods 10,087 10,158
Total inventories $ 12,930 $ 14,457