Quarterly report pursuant to Section 13 or 15(d)

Inventories - Schedule of Inventories (Detail)

v3.3.1.900
Inventories - Schedule of Inventories (Detail) - USD ($)
$ in Thousands
Oct. 31, 2015
Jan. 31, 2015
Inventory Disclosure [Abstract]    
Components and assemblies $ 1,282 $ 1,487
Finished products 742 1,377
Total inventory $ 2,024 $ 2,864