FAIR VALUE MEASUREMENTS (Tables)

6 Months Ended

Sep. 30, 2017

FAIR VALUE MEASUREMENTS [Abstract]

Financial Assets Measured at Fair Value on a Recurring Basis

The following table summarizes financial assets, measured at fair value on a recurring basis, by level of input within the fair value hierarchy as of September 30, 2017 and March 31, 2017 (in thousands).

	As of September 30, 2017
	Quoted Prices in Active Markets for Identical Assets		Significant Other Observable Inputs		Significant Unobservable Inputs
	Level 1		Level 2		Level 3		Total
Assets
Cash equivalents	$	525	$	-	$	-	$	525
Available-for-sale investments:
Commercial paper		-		7,471		-		7,471
Corporate bonds		-		43,025		-		43,025
Municipal bonds		-		665		-		665
Total assets at fair value	$	525	$	51,161	$	-	$	51,686

	As of March 31, 2017
	Quoted Prices in Active Markets for Identical Assets		Significant Other Observable Inputs		Significant Unobservable Inputs
	Level 1		Level 2		Level 3		Total
Assets
Cash equivalents	$	584	$	-	$	-	$	584
Available-for-sale investments:
Corporate bonds		-		6,377		-		6,377
Municipal bonds		-		662		-		662
Total assets at fair value	$	584	$	7,039	$	-	$	7,623