FAIR VALUE OF FINANCIAL INSTRUMENTS (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015	Mar. 31, 2016
Assets [Abstract]
Money market funds	$ 14,038		$ 14,038		$ 39,509
Liabilities [Abstract]
Contingent consideration	1,273		1,273		1,041
Adjustment to fair value of contingent consideration	154	$ 205	232	$ 315
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
Assets [Abstract]
Money market funds	14,038		14,038		39,509
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	$ 1,273		$ 1,273		$ 1,041