FAIR VALUE OF FINANCIAL INSTRUMENTS (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
	Sep. 30, 2015	Sep. 30, 2015	Mar. 31, 2015
Assets [Abstract]
Money market funds	$ 39,504	$ 39,504	$ 25,004
Liabilities [Abstract]
Contingent consideration	2,145	2,145	1,830
Adjustment to fair value of contingent consideration	205	315
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
Assets [Abstract]
Money market funds	39,504	39,504	25,004
Liabilities [Abstract]
Contingent consideration	0	0	0
Significant Other Observable Inputs (Level 2) [Member]
Assets [Abstract]
Money market funds	0	0	0
Liabilities [Abstract]
Contingent consideration	0	0	0
Significant Unobservable Inputs (Level 3) [Member]
Assets [Abstract]
Money market funds	0	0	0
Liabilities [Abstract]
Contingent consideration	$ 2,145	$ 2,145	$ 1,830