BASIS OF PRESENTATION (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Excess tax benefit (shortfall) amount	$ (200)		$ 1,200
Net income	(2,468)	$ (1,266)	(26,690)	$ (10,264)
Decrease in cash used in financing activities				1,400
Accounting Standards Update 2016-09
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Net income	$ (200)		$ 1,200
Basic and diluted earnings per share	$ 0		$ 0.01
Excess tax benefit (shortfall) from stock based compensation awards			$ 1,200	(1,400)
Decrease in cash provided by operating activities				$ 1,400