Investments (Tables)

6 Months Ended

Oct. 31, 2022

Investments, Debt and Equity Securities [Abstract]

Schedule of Investments

As of October 31, 2022 and April 30, 2022, investments consisted of the following:

			Gross		Gross
Investments at	Cost		Unrealized		Unrealized			Fair
October 31, 2022	Basis		Gains		Losses			Value
Municipal bonds	$	5,515,000	$	35,000	$	(397,000	)	$	5,153,000
REITs		93,000		—		(15,000	)		78,000
Equity securities		18,107,000		6,178,000		(900,000	)		23,385,000
Money markets and CDs		992,000		—		—			992,000
Total	$	24,707,000	$	6,213,000	$	(1,312,000	)	$	29,608,000

			Gross		Gross
Investments at	Cost		Unrealized		Unrealized			Fair
April 30, 2022	Basis		Gains		Losses			Value
Municipal bonds	$	5,625,000	$	41,000	$	(229,000	)	$	5,437,000
REITs		131,000		16,000		(3,000	)		144,000
Equity securities		18,322,000		6,921,000		(473,000	)		24,770,000
Money markets and CDs		628,000		—		—			628,000
Total	$	24,706,000	$	6,978,000	$	(705,000	)	$	30,979,000

Schedule of Unrealized Loss Breakdown by Investment

Unrealized Loss Breakdown by Investment Type at October 31, 2022

	Less than 12 months					12 months or greater					Total
Description	Fair Value		Unrealized Loss			Fair Value		Unrealized Loss			Fair Value		Unrealized Loss
Municipal bonds	$	4,423,000	$	(305,000	)	$	458,000	$	(92,000	)	$	4,881,000	$	(397,000	)
REITs		53,000		(12,000	)		25,000		(3,000	)		78,000		(15,000	)
Equity securities		5,383,000		(813,000	)		345,000		(87,000	)		5,728,000		(900,000	)
Total	$	9,859,000	$	(1,130,000	)	$	828,000	$	(182,000	)	$	10,687,000	$	(1,312,000	)

Unrealized Loss Breakdown by Investment Type at April 30, 2022

	Less than 12 months					12 months or greater					Total
Description	Fair Value		Unrealized Loss			Fair Value		Unrealized Loss			Fair Value		Unrealized Loss
Municipal bonds	$	4,420,000	$	(142,000	)	$	539,000	$	(87,000	)	$	4,959,000	$	(229,000	)
REITs		18,000		(1,000	)		26,000		(2,000	)		44,000		(3,000	)
Equity securities		4,157,000		(424,000	)		274,000		(49,000	)		4,431,000		(473,000	)
Total	$	8,595,000	$	(567,000	)	$	839,000	$	(138,000	)	$	9,434,000	$	(705,000	)