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INVENTORIES
 6 Months Ended
Sep. 30, 2022
Inventory Disclosure [Abstract]  
INVENTORIES INVENTORIESInventories are stated at the lower of actual cost or net realizable value. Cost is determined by using the first in, first out (FIFO) method. Inventories consist of the following (in thousands):
September 30,
2022		March 31,
2022
Raw materials$16,137 $14,779 
Work in process1,122 695 
Finished goods6,011 5,761 
Deferred costs793 6,985 
$24,063 $28,220