Fair Value Measurements (Tables)

12 Months Ended

Apr. 30, 2022

Fair Value Disclosures [Abstract]

Schedule of Assets Measured at Fair Value on Recurring Basis

The following tables set forth our assets and liabilities measured at fair value on a recurring basis and a non-recurring basis by level within the fair value hierarchy. As required by US GAAP, assets and liabilities are classified in their entirety based on the lowest level of input that is significant to the fair value measurement.

	Assets Measured at Fair Value on a Recurring Basis as of April 30, 2022
	Level 1		Level 2		Level 3		Total
Assets:
Municipal Bonds		—	$	5,437,000		—	$	5,437,000
REITs		—	$	144,000		—	$	144,000
Equity Securities	$	24,770,000		—		—	$	24,770,000
Money Markets and CDs	$	628,000		—		—	$	628,000
Total fair value of assets measured on a recurring basis	$	25,398,000	$	5,581,000		—	$	30,979,000

	Assets Measured at Fair Value on a Recurring Basis as of April 30, 2021
	Level 1		Level 2		Level 3		Total
Assets:
Municipal Bonds		—	$	6,009,000		—	$	6,009,000
REITs		—	$	137,000		—	$	137,000
Equity Securities	$	26,419,000		—		—	$	26,419,000
Money Markets and CDs	$	772,000		—		—	$	772,000
Total fair value of assets measured on a recurring basis	$	27,191,000	$	6,146,000		—	$	33,337,000