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INVENTORIES
12 Months Ended
Mar. 31, 2023
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,
 20232022
Raw materials$12,352 $14,779 
Work in process14 695 
Finished goods5,183 5,761 
Deferred costs407 6,985 
$17,956 $28,220