Marketable Securities (Tables)

6 Months Ended

Sep. 30, 2016

Marketable Securities [Abstract]

Schedule Of Available For Sale Securities Reconciliation

The following is a summary of available-for-sale securities at March 31, 2016 (in thousands):

	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Estimated Fair Value
Marketable securities	$	18,080	$	253	$	147	$	18,186

The following is a summary of available-for-sale securities at September 30, 2016 (in thousands):

	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Estimated Fair Value
Marketable securities	$	9,210	$	274	$	2	$	9,482

Schedule of Unrealized Loss on Investments

The aggregate fair value of investments and unrealized losses on available-for-sale securities in an unrealized loss position at September 30, 2016 are as follows (in thousands):

	Aggregate Fair Value		Unrealized Losses
Securities in a continuous loss position for less than 12 months	$	1,171	$	2
Securities in a continuous loss position for more than 12 months	—		—
	$	1,171	$	2