Consolidated Condensed Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Oct. 31, 2018	Oct. 31, 2017
Cash flows from operating activities:
Net income	$ 6,406	$ 4,287
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	201	454
Deferred income taxes	(249)	(461)
Deferred rent	(45)	466
Other, net	(30)	(30)
Changes in operating assets and liabilities:
Unearned revenue	(2,324)	(1,948)
Accounts payable & accrued expenses	(568)	(319)
Accrued salaries	(267)	52
Accrued taxes on income		376
Prepaid and refundable income taxes	406	1
Prepaid expenses and other current assets	157	354
Accounts receivable	(83)	(63)
Total adjustments	(2,802)	(1,118)
Net cash provided by operating activities	3,604	3,169
Cash flows from investing activities:
Purchases of fixed income securities classified as available-for-sale	(5,624)	(2,386)
Proceeds from sales of fixed income securities classified as available-for-sale	4,638	1,394
Non-voting revenues interest in EAM Trust	(4,063)	(4,017)
Non-voting profits interest in EAM Trust	(592)	(356)
Distributions received from EAM Trust	4,467	4,038
Acquisition of property and equipment	(6)	(393)
Expenditures for capitalized software	(52)
Net cash used in investing activities	(1,232)	(1,720)
Cash flows from financing activities:
Purchase of treasury stock at cost	(46)	(150)
Dividends paid	(3,682)	(3,496)
Net cash used in financing activities	(3,728)	(3,646)
Net change in cash and cash equivalents	(1,356)	(2,197)
Cash, cash equivalents and restricted cash at beginning of period	6,410	7,026
Cash, cash equivalents and restricted cash at end of period	$ 5,054	$ 4,829