NOTE I - FAIR VALUE OF FINANCIAL INSTRUMENTS (Tables)

6 Months Ended

Oct. 31, 2017

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 October 31, 2017 and April 30, 2017, respectively are as follows (in thousands):

	October 31, 2017
	Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Market Value
Fixed income securities	$	1,316	$	79	$	-	$	1,395
Equity securities		-		-		-		-
	$	1,316	$	79	$	-	$	1,395

	April 30, 2017
	Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Market Value
Fixed income securities	$	1,516	$	60	$	-		$	1,576
Equity securities		5,230		1,248		(239	)		6,239
	$	6,746	$	1,308	$	(239	)	$	7,815

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
October 31, 2017
Fixed Income Securities	$	-	$	-		$	-	$	-		$	-	$	-
Equity Securities		-		-			-		-			-		-
	$	-	$	-		$	-	$	-		$	-	$	-
April 30, 2017
Fixed Income Securities	$	-	$	-		$	-	$	-		$	-	$	-
Equity Securities		219		(9	)		1,024		(230	)		1,243		(239	)
	$	219	$	(9	)	$	1,024	$	(230	)	$	1,243	$	(239	)

Investments Classified by Contractual Maturity Date [Table Text Block]

Maturities of fixed income securities classified as available-for-sale at October 31, 2017 are as follows, at cost (in thousands):

Current	$	-
Due after one year through five years		98
Due after five years through ten years		1,217
	$	1,315