Consolidated Condensed Statements of Income (unaudited) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Oct. 31, 2013	Oct. 31, 2012	Oct. 31, 2013	Oct. 31, 2012
Revenues:
Investment periodicals and related publications	$ 8,306	$ 7,827	$ 16,502	$ 15,855
Copyright data fees	707	982	1,463	1,892
Total revenues	9,013	8,809	17,965	17,747
Expenses:
Advertising and promotion	1,115	1,087	2,158	1,899
Salaries and employee benefits	3,965	3,634	7,865	7,413
Production and distribution	1,519	1,452	3,061	2,814
Office and administration	1,768	1,716	3,766	3,349
Total expenses	8,367	7,889	16,850	15,475
Income from operations	646	920	1,115	2,272
Revenues and profits interests in EAM Trust	1,854	1,529	3,623	3,002
Income from securities transactions, net	34	30	72	56
Income before income taxes	2,534	2,479	4,810	5,330
Income tax provision	918	907	1,749	1,982
Net income	$ 1,616	$ 1,572	$ 3,061	$ 3,348
Earnings per share, basic & fully diluted (in dollars per share)	$ 0.16	$ 0.16	$ 0.31	$ 0.34
Weighted average number of common shares (in shares)	9,847,951	9,894,789	9,855,670	9,895,585