Quarterly report pursuant to Section 13 or 15(d)

Components of Inventory (Detail)

v3.19.3
Components of Inventory (Detail) - USD ($)
$ in Thousands
Sep. 30, 2019
Dec. 31, 2018
Components of inventory, net of allowances    
Raw materials $ 3,714 $ 3,590
Work-in-process 1,164 1,435
Finished goods 6,659 7,223
Inventory $ 11,537 $ 12,248