Quarterly report pursuant to Section 13 or 15(d)

Inventories, Net - Additional Information (Detail)

v3.10.0.1
Inventories, Net - Additional Information (Detail) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2018
Jun. 30, 2018
Inventory [Line Items]    
Reduction in finished goods $ 0.3 $ 0.3
Reduction in provision for obsolescence $ 0.3 $ 0.3