INVENTORIES (Tables)

6 Months Ended

Sep. 30, 2018

Inventory Disclosure [Abstract]

Schedule of Inventories

Inventories consist of the following (in thousands):

	September 30, 2018		March 31, 2018
Raw materials	$	18,457	$	20,860
Work in process	717		2,589
Finished goods	7,427		8,500
Deferred costs	4,384		2,825
	$	30,985	$	34,774