Quarterly report pursuant to Section 13 or 15(d)

INVENTORIES Schedule of Manufacturing Inventories (Details)

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INVENTORIES Schedule of Manufacturing Inventories (Details) - USD ($)
$ in Thousands
Sep. 30, 2019
Mar. 31, 2019
Inventories    
Finished goods $ 11,460 $ 11,505
Work in progress 1,084 107
Raw materials 9,488 6,828
Total manufacturing inventories 22,032 18,440
Manufactured finished goods    
Inventories    
Finished goods 10,015 8,160
Distributor inventory    
Inventories    
Finished goods $ 1,445 $ 3,345