Quarterly report pursuant to Section 13 or 15(d)

INVENTORIES - Schedule of Manufacturing And Service Inventories (Details)

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INVENTORIES - Schedule of Manufacturing And Service Inventories (Details) - USD ($)
$ in Thousands
Dec. 31, 2018
Mar. 31, 2018
Finished goods: $ 8,949 $ 22,085
Work in progress 63 778
Raw materials 6,551 11,565
Manufacturing inventories, net 15,563 34,428
Manufactured Finished Goods [Member]    
Finished goods: 4,406 11,215
Distributor Inventory [Member]    
Finished goods: $ 4,543 $ 10,870