XML 59 R47.htm IDEA: XBRL DOCUMENT v3.19.2
INVENTORY (Details) - USD ($)
$ in Thousands
Jun. 30, 2019
Mar. 31, 2019
Inventory Disclosure [Abstract]    
Finished products $ 21,267 $ 24,847
Parts and supplies 2,580 3,353
Inventory 23,847 28,200
Estimated product returns included in inventory $ 439 $ 491