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INVENTORIES (Tables)
9 Months Ended
Dec. 31, 2019
Inventory Disclosure [Abstract]  
Schedule of Inventories Inventories consist of the following (in thousands):

December 31,
2019
 
March 31,
2019
Raw materials
$
14,980

 
$
14,432

Work in process
121

 
1,181

Finished goods
4,473

 
7,738

Deferred costs
5,403

 
2,919


$
24,977

 
$
26,270