XML 57 R46.htm IDEA: XBRL DOCUMENT v3.20.4
INVENTORY (Details) - USD ($)
$ in Thousands
Dec. 31, 2020
Mar. 31, 2020
Inventory Disclosure [Abstract]    
Finished products $ 21,848 $ 17,984
Parts and supplies 4,885 1,124
Inventory 26,733 19,108
Estimated product returns included in inventory $ 367 $ 506