Consolidated Condensed Statements of Cash Flows (unaudited) - USD ($) $ in Thousands	9 Months Ended
	Jan. 31, 2016	Jan. 31, 2015
Cash flows from operating activities:
Net income	$ 6,024	$ 6,195
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	2,202	1,904
Non-voting revenues interest in EAM Trust	(5,546)	(5,498)
Non-voting profits interest in EAM Trust	(355)	(497)
Realized loss on sales of equity securities	15
Deferred rent	(150)	(150)
Deferred income taxes	(671)	133
Other	(45)	(45)
Changes in operating assets and liabilities:
Unearned revenue	(1,714)	(272)
Reserve for settlement	(5)	(54)
Accounts payable & accrued expenses	262	(253)
Accrued salaries	(265)	(198)
Accrued taxes on income	229	(44)
Prepaid and refundable income taxes	(3)	81
Prepaid expenses and other current assets	279	209
Accounts receivable	60	(84)
Total adjustments	(5,707)	(4,768)
Net cash provided by operating activities	317	1,427
Cash flows from investing activities:
Purchases of securities classified as available-for-sale	(3,959)	(57)
Proceeds from sales of securities classified as available-for-sale	8,789	57
Distributions received from EAM Trust	5,915	5,824
Acquisition of property and equipment	(36)	(99)
Expenditures for capitalized software	(1,337)	(1,802)
Net cash provided by investing activities	9,372	3,923
Cash flows from financing activities:
Purchase of treasury stock at cost	(609)	(71)
Dividends paid	(4,603)	(4,416)
Net cash used in financing activities	(5,212)	(4,487)
Net change in cash and cash equivalents	4,477	863
Cash and cash equivalents at beginning of year	5,874	5,788
Cash and cash equivalents at end of period	$ 10,351	$ 6,651