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
Dec. 31, 2020
Mar. 31, 2020
Inventory Disclosure [Abstract]    
Finished goods $ 17,707 $ 15,845
Component parts 5,291 4,657
Total service parts inventories $ 22,998 $ 20,502