Consolidated Balance Sheets - USD ($) $ in Thousands	Apr. 30, 2016	Apr. 30, 2015
Current Assets:
Cash and cash equivalents (including short term investments of $12,037 and $5,272, respectively)	$ 13,122	$ 5,874
Securities available-for-sale	3,637	9,632
Accounts receivable, net of allowance for doubtful accounts of $22 and $32, respectively	1,254	1,409
Prepaid and refundable income taxes	126	114
Prepaid expenses and other current assets	1,381	1,460
Deferred income taxes	432	356
Total current assets	19,952	18,845
Long term assets:
Investment in EAM Trust	57,942	58,048
Property and equipment, net	3,621	3,690
Capitalized software and other intangible assets, net	4,992	6,838
Total long term assets	66,555	68,576
Total assets	86,507	87,421
Current Liabilities:
Accounts payable and accrued liabilities	2,669	1,787
Accrued salaries	1,066	1,219
Dividends payable	1,659	1,472
Accrued taxes on income	388	226
Unearned revenue	20,516	21,510
Total current liabilities	26,298	26,214
Long term liabilities:
Unearned revenue	4,926	4,537
Deferred charges		167
Deferred tax liability, long term	20,683	22,064
Total long term liabilities	25,609	26,768
Total liabilities	51,907	52,982
Shareholders' Equity:
Common stock, $0.10 par value; authorized 30,000,000 shares; issued 10,000,000 shares	1,000	1,000
Additional paid-in capital	991	991
Retained earnings	35,524	34,587
Treasury stock, at cost (243,411 shares and 190,504 shares, respectively)	(3,040)	(2,244)
Accumulated other comprehensive income, net of tax	125	105
Total shareholders' equity	34,600	34,439
Total liabilities and shareholders' equity	$ 86,507	$ 87,421

Sum of the carrying values as of the balance sheet date of obligations incurred through that date and due within one year (or the operating cycle, if longer), including liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received, taxes, interest, rent and utilities, accrued salaries and bonuses, payroll taxes and fringe benefits.

Name:	us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), for goods or services (including trade receivables) that have been delivered or sold in the normal course of business, reduced to the estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection.