Annual report pursuant to Section 13 and 15(d)

BALANCE SHEET INFORMATION - Schedule of Manufacturing Inventories (Details)

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BALANCE SHEET INFORMATION - Schedule of Manufacturing Inventories (Details) - USD ($)
$ in Thousands
Mar. 31, 2021
Mar. 31, 2020
Inventory    
Finished goods $ 12,690 $ 16,294
Work in progress 2,074 1,001
Raw materials 9,703 11,901
Total manufacturing inventories 24,467 29,196
Manufactured finished goods    
Inventory    
Finished goods 12,452 15,790
Distributor inventory    
Inventory    
Finished goods $ 238 $ 504