Consolidated Balance Sheets - USD ($)	Apr. 30, 2025	Apr. 30, 2024
Current Assets:
Cash and cash equivalents (including short term investments of $33,615 and $4,136, respectively)	$ 34,077,000	$ 4,390,000
Equity securities	20,879,000	16,344,000
Available-for-sale Fixed Income securities	22,435,000	47,611,000
Accounts receivable, net of allowance for credit losses of $16 and $31, respectively	1,327,000	1,310,000
Prepaid and refundable income taxes	42,000	209,000
Prepaid expenses and other current assets	1,123,000	1,160,000
Total current assets	79,883,000	71,024,000
Long term assets:
Investment in EAM Trust	60,807,000	60,134,000
Restricted money market investments	305,000	305,000
Property and equipment, net	3,475,000	4,440,000
Capitalized software and other intangible assets, net	63,000	132,000
Total long term assets	64,650,000	65,011,000
Total assets	144,533,000	136,035,000
Accounts payable and accrued liabilities	1,528,000	1,430,000
Accrued salaries	1,161,000	1,020,000
Dividends payable	3,059,000	2,827,000
Accrued taxes on income	43,000	7,000
Operating lease obligation-short term	1,304,000	1,206,000
Unearned revenue	16,558,000	15,764,000
Total current liabilities	23,653,000	22,254,000
Long term liabilities:
Unearned revenue	5,732,000	6,517,000
Operating lease obligation-long term	2,275,000	3,578,000
Deferred income taxes	13,195,000	12,893,000
Total long term liabilities	21,202,000	22,988,000
Total liabilities	44,855,000	45,242,000
us-gaap_StockholdersEquityAbstract
Common stock, $0.10 par value; authorized 30,000,000 shares; issued 10,000,000 shares	1,000,000	1,000,000
Additional paid-in capital	991,000	991,000
Retained earnings	113,400,000	104,249,000
Treasury stock, at cost (588,997 shares and 577,517 shares, respectively)	(15,647,000)	(15,194,000)
Accumulated other comprehensive income, net of tax	(66,000)	(253,000)
Total shareholders' equity	99,678,000	90,793,000
Total liabilities and shareholders' equity	$ 144,533,000	$ 136,035,000