NOTE H - FAIR VALUE OF FINANCIAL INSTRUMENTS (Tables)

9 Months Ended

Jan. 31, 2016

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 January 31, 2016 and April 30, 2015 are as follows (in thousands):

	January 31, 2016
			Gross Unrealized		Gross Unrealized			Fair Market
	Cost		Gains		Losses			Value
Fixed income securities	$	3,510	$	73	$	(25	)	$	3,558
Equity securities		7,197		834		(890	)		7,141
	$	10,707	$	907	$	(915	)	$	10,699

	April 30, 2015
			Gross		Gross			Fair
			Unrealized		Unrealized			Market
	Cost		Gains		Losses			Value
Fixed income securities	$	3,379	$	104	$	(16	)	$	3,467
Equity securities		7,018		834		(133	)		7,719
	$	10,397	$	938	$	(149	)	$	11,186

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		Unrealized			Fair		Unrealized			Fair		Unrealized
	Value		Losses			Value		Losses			Value		Losses
January 31, 2016
Fixed Income Securities	$	291	$	(1	)	$	547	$	(24	)	$	838	$	(25	)
Equity Securities		1,854		(416	)		1,611		(474	)		3,465		(890	)
	$	2,145	$	(417	)	$	2,158	$	(498	)	$	4,303	$	(915	)
April 30, 2015
Fixed Income Securities	$	96	$	(1	)	$	461	$	(15	)	$	557	$	(16	)
Equity Securities		3,323		(133	)		-		-			3,323		(133	)
	$	3,419	$	(134	)	$	461	$	(15	)	$	3,880	$	(149	)

Investments Classified by Contractual Maturity Date [Table Text Block]

Maturities of fixed income securities classified as available-for-sale at January 31, 2016 are as follows, at cost (in thousands):

Current	$	1,102
Due after one year through five years		617
Due after five years through ten years		1,791
	$	3,510