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
Dec. 31, 2020
Mar. 31, 2020
Inventories    
Finished goods $ 15,815 $ 16,294
Work in progress 2,315 1,001
Raw materials 15,724 11,901
Total manufacturing inventories 33,854 29,196
Manufactured finished goods    
Inventories    
Finished goods 15,578 15,790
Distributor inventory    
Inventories    
Finished goods $ 237 $ 504