Quarterly report pursuant to Section 13 or 15(d)

INVENTORIES Schedule of Service Parts Inventories (Details)

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INVENTORIES Schedule of Service Parts Inventories (Details) - USD ($)
$ in Thousands
Sep. 30, 2020
Mar. 31, 2020
Inventory Disclosure [Abstract]    
Finished goods $ 17,924 $ 15,845
Component parts 5,287 4,657
Total service parts inventories $ 23,211 $ 20,502