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INVENTORIES (Tables)
6 Months Ended
Sep. 30, 2021
Inventory Disclosure [Abstract]  
Schedule of Inventories Inventories consist of the following (in thousands):
September 30,
2021
March 31,
2021
Raw materials$13,426 $13,189 
Work in process763 16 
Finished goods6,139 6,168 
Deferred costs5,400 3,440 
$25,728 $22,813