Marketable Securities (Tables)

12 Months Ended

Mar. 31, 2018

Marketable Securities [Abstract]

Schedule of Available-for-sale Securities Reconciliation

he following is a summary of available-for-sale securities at March 31, 2018 (In thousands):

	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Estimated Fair Value
Marketable securities	$	7,149	$	588	$	64	$	7,673

The following is a summary of available-for-sale securities at March 31, 2017 (In thousands):

	Amortized Cost		Gross Unrealized Gains		Gross  Unrealized Losses		Estimated Fair Value
Marketable securities	$	7,475	$	248	$	37	$	7,686

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 March 31, 2018 are as follows (In thousands):

	Aggregate  Fair Value		Unrealized Losses
Securities in a continuous loss position for less than 12 months	$	1,859	$	26
Securities in a continuous loss position for more than 12 months	1,285		38
	$	3,144	$	64

The aggregate fair value of investments and unrealized losses on available-for-sale securities in an unrealized loss position at March 31, 2017 are as follows (In thousands):

	Aggregate  Fair Value		Unrealized  Losses
Securities in a continuous loss position for less than 12 months	$	2,050	$	37
Securities in a continuous loss position for more than 12 months	—		—
	$	2,050	$	37