Consolidated Condensed Statements of Income - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Oct. 31, 2020	Oct. 31, 2019	Oct. 31, 2020	Oct. 31, 2019
Revenues:
Revenues	$ 10,210	$ 10,080	$ 20,538	$ 19,697
Expenses:
Advertising and promotion	817	702	1,872	1,645
Salaries and employee benefits	4,554	4,391	9,062	8,776
Production and distribution	1,392	1,245	2,665	2,410
Office and administration	1,259	1,113	2,525	2,212
Total expenses	8,022	7,451	16,124	15,043
Income from operations	2,188	2,629	4,414	4,654
Revenues and profits interests in EAM Trust	4,214	3,058	7,858	5,929
Income from securities transactions, net	323	143	1,281	284
Income before income taxes	6,725	5,830	13,553	10,867
Income tax provision	1,669	1,619	3,380	2,966
Net income	$ 5,056	$ 4,211	$ 10,173	$ 7,901
Earnings per share, basic & fully diluted (in dollars per share)	$ 0.53	$ 0.44	$ 1.06	$ 0.82
Weighted average number of common shares (in shares)	9,608,792	9,656,836	9,612,756	9,658,734
Subscription and Circulation [Member]
Revenues:
Revenues	$ 6,901	$ 6,949	$ 13,993	$ 13,982
License [Member]
Revenues:
Revenues	$ 3,309	$ 3,131	$ 6,545	$ 5,715