Annual report pursuant to Section 13 and 15(d)

Components of Inventory (Detail)

v3.8.0.1
Components of Inventory (Detail) - USD ($)
$ in Thousands
Dec. 31, 2017
Dec. 31, 2016
Components of inventory, net of allowances    
Raw materials $ 3,953 $ 4,837
Work-in-process 1,162 2,261
Finished goods 7,183 6,425
Inventory, net $ 12,298 $ 13,523