FAIR VALUE OF FINANCIAL INSTRUMENTS (Tables)

3 Months Ended

Jul. 31, 2020

Investments, Debt and Equity Securities [Abstract]

Schedule of Available-for-sale Securities Reconciliation [Table Text Block]

The cost, gross unrealized gains, gross unrealized losses, and fair market value of available-for-sale securities at July 31, 2020 and April 30, 2020, respectively, were as follows (in thousands):

	July 31, 2020
	Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Market Value
Fixed income securities	$	9,350	$	661	$	-	$	10,011

	April 30, 2020
	Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Market Value
Fixed income securities	$	10,081	$	495	$	(6	)	$	10,570

Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value [Table Text Block]

The following table presents the fair value and unrealized losses, aggregated by investment type and length of time that individual securities have been in a continuous unrealized loss position (in thousands):

	Less than 12 months					12 Months or more				Total
	Fair Value		Unrealized Losses			Fair Value		Unrealized Losses		Fair Value		Unrealized Losses
July 31, 2020
Fixed Income Securities	$	-	$	-		$	-	$	-	$	-	$	-

April 30, 2020
Fixed Income Securities	$	380	$	(6	)	$	-	$	-	$	380	$	(6	)

Investments Classified by Contractual Maturity Date [Table Text Block]

Maturities of fixed income securities classified as available-for-sale at July 31, 2020 were as follows, at cost (in thousands):

Current	$	2,724
Due after one year through five years		3,438
Due after five years		3,188
	$	9,350