Investments (Tables)

9 Months Ended

Jan. 31, 2025

Investments, Debt and Equity Securities [Abstract]

Schedule of Investments

As of January 31, 2025 and April 30, 2024, investments consisted of the following:

			Gross		Gross
Investments at	Cost		Unrealized		Unrealized			Fair
January 31, 2025	Basis		Gains		Losses			Value
Municipal bonds	$	7,532,000	$	114,000	$	(79,000	)	$	7,567,000
REITs		73,000		4,000		(6,000	)		71,000
Equity securities		17,664,000		10,793,000		(174,000	)		28,283,000
Money markets and CDs		1,229,000		—		—			1,229,000
Total	$	26,498,000	$	10,911,000	$	(259,000	)	$	37,150,000

			Gross		Gross
Investments at	Cost		Unrealized		Unrealized			Fair
April 30, 2024	Basis		Gains		Losses			Value
Municipal bonds	$	7,057,000	$	28,000	$	(100,000	)	$	6,985,000
REITs		74,000		—		(8,000	)		66,000
Equity securities		17,408,000		9,303,000		(209,000	)		26,502,000
Money markets and CDs		935,000		—		—			935,000
Total	$	25,474,000	$	9,331,000	$	(317,000	)	$	34,488,000

Schedule of Unrealized Loss Breakdown by Investment Type

Unrealized Loss Breakdown by Investment Type as of January 31, 2025

	Less than 12 months					12 months or greater					Total
Description	Fair Value		Unrealized Loss			Fair Value		Unrealized Loss			Fair Value		Unrealized Loss
Municipal bonds	$	783,000	$	(16,000	)	$	633,000	$	(63,000	)	$	1,416,000	$	(79,000	)
REITs		—		—			39,000		(6,000	)		39,000		(6,000	)
Equity securities		1,088,000		(83,000	)		471,000		(91,000	)		1,559,000		(174,000	)
Total	$	1,871,000	$	(99,000	)	$	1,143,000	$	(160,000	)	$	3,014,000	$	(259,000	)

Unrealized Loss Breakdown by Investment Type as of April 30, 2024

	Less than 12 months					12 months or greater					Total
Description	Fair Value		Unrealized Loss			Fair Value		Unrealized Loss			Fair Value		Unrealized Loss
Municipal bonds	$	5,897,000	$	(20,000	)	$	773,000	$	(80,000	)	$	6,670,000	$	(100,000	)
REITs		—		—			66,000		(8,000	)		66,000		(8,000	)
Equity securities		2,255,000		(72,000	)		766,000		(137,000	)		3,021,000		(209,000	)
Total	$	8,152,000	$	(92,000	)	$	1,605,000	$	(225,000	)	$	9,757,000	$	(317,000	)