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INVENTORIES
12 Months Ended
Mar. 31, 2022
Inventory Disclosure [Abstract]  
INVENTORIES INVENTORIESInventories are stated at the lower of actual cost or net realizable value. Cost is determined by using the FIFO method. Inventories consisted of the following (in thousands):
 March 31,
 20222021
Raw materials$14,779 $13,189 
Work in process695 16 
Finished goods5,761 6,168 
Deferred costs6,985 3,440 
$28,220 $22,813