Consolidated Condensed Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Oct. 31, 2019	Oct. 31, 2018
Cash flows from operating activities:
Net income	$ 7,901	$ 6,406
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	137	201
Non-voting revenues interest in EAM Trust	(5,356)	(4,063)
Non-voting profits interest in EAM Trust	(573)	(592)
Distributions received from EAM Trust	5,368	4,467
Deferred income taxes	218	(249)
Deferred rent	56	(45)
Other, net		(30)
Changes in operating assets and liabilities:
Unearned revenue	(2,734)	(2,324)
Accounts payable & accrued expenses	(550)	(568)
Accrued salaries	(124)	(267)
Accrued taxes on income	(196)
Prepaid and refundable income taxes	200	406
Prepaid expenses and other current assets	271	157
Accounts receivable	(2,816)	(83)
Total adjustments	(6,099)	(2,990)
Net cash provided by operating activities	1,802	3,416
Cash flows from investing activities:
Purchases of equity securities classified as available-for-sale	(906)
Purchases of fixed income securities classified as available-for-sale	(3,472)	(5,624)
Proceeds from sales of fixed income securities classified as available-for-sale	4,974	4,638
Acquisition of property and equipment	(2)	(6)
Expenditures for capitalized software		(52)
Net cash provided by/(used in) investing activities	594	(1,044)
Cash flows from financing activities:
Purchase of treasury stock at cost	(393)	(46)
Dividends paid	(3,865)	(3,682)
Net cash used in financing activities	(4,258)	(3,728)
Net change in cash and cash equivalents	(1,862)	(1,356)
Cash, cash equivalents and restricted cash at beginning of period	6,962	6,410
Cash, cash equivalents and restricted cash at end of period	$ 5,100	$ 5,054