XML 55 R33.htm IDEA: XBRL DOCUMENT v3.19.1
INVENTORIES (Details) - USD ($)
$ in Thousands
Jan. 31, 2019
Jan. 31, 2018
Inventory Disclosure [Abstract]    
Raw materials $ 14,986 $ 14,767
Work-in-process 987 2,357
Finished goods 26,392 25,795
Inventory, net $ 42,365 $ 42,919