Quarterly report pursuant to Section 13 or 15(d)

Inventories (Details)

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Inventories (Details) - USD ($)
$ in Thousands
Dec. 31, 2021
Mar. 31, 2021
Inventory Disclosure [Abstract]    
Raw materials $ 41,227 $ 33,485
Work in process 4,394 4,071
Finished goods 25,990 28,008
Inventories, gross 71,611 65,564
Valuation reserves (1,977) (1,774)
Inventories, net $ 69,634 $ 63,790