Consolidated Condensed Statements of Cash Flows (Unaudited) - USD ($)	3 Months Ended
	Jul. 31, 2022	Jul. 31, 2021
Cash flows from operating activities:
Net income	$ 4,458,000	$ 5,897,000
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	334,000	333,000
Investment (gains)/losses	(145,000)	(198,000)
Non-voting revenues interest in EAM Trust	(2,782,000)	(4,149,000)
Non-voting profits interest in EAM Trust	(233,000)	(656,000)
Distributions received from EAM Trust	3,871,000	4,877,000
Deferred income taxes	(88,000)	(168,000)
Deferred rent	(301,000)	(254,000)
Changes in operating assets and liabilities:
Unearned revenue	(1,351,000)	(1,775,000)
Accounts payable & accrued expenses	(229,000)	(697,000)
Accrued salaries	87,000	156,000
Accrued taxes on income	827,000	1,580,000
Prepaid and refundable income taxes	458,000	76,000
Prepaid expenses and other current assets	108,000	95,000
Accounts receivable	322,000	2,518,000
Total adjustments	878,000	1,738,000
Net cash provided by operating activities	5,336,000	7,635,000
Cash flows from investing activities:
Proceeds from sales of equity securities	576,000	34,000
Purchases of equity securities	(479,000)	(1,536,000)
Purchases of fixed income securities classified as available-for-sale	(15,551,000)	(498,000)
Proceeds from sales of fixed income securities classified as available-for-sale	0	2,496,000
Acquisition of property and equipment	(23,000)	0
Net cash provided by/(used in) investing activities	(15,477,000)	496,000
Cash flows from financing activities:
Purchase of treasury stock at cost	(2,382,000)	(163,000)
Dividends paid	(2,378,000)	(2,104,000)
Net cash used in financing activities	(4,760,000)	(2,267,000)
Net change in cash and cash equivalents	(14,901,000)	5,864,000
Cash, cash equivalents and restricted cash at beginning of period	30,008,000	19,640,000
Cash, cash equivalents and restricted cash at end of period	$ 15,107,000	$ 25,504,000