Consolidated Condensed Statements of Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Oct. 31, 2021	Oct. 31, 2020	Oct. 31, 2021	Oct. 31, 2020
Revenues:
Revenues	$ 9,973	$ 10,210	$ 20,139	$ 20,538
Expenses:
Advertising and promotion	676	817	1,723	1,872
Salaries and employee benefits	4,303	4,554	8,960	9,062
Production and distribution	1,311	1,392	2,527	2,665
Office and administration	946	1,259	1,927	2,525
Total expenses	7,236	8,022	15,137	16,124
Income from operations	2,737	2,188	5,002	4,414
Gain on forgiveness of PPP loan (see note 16)	2,331	0	2,331	0
Revenues and profits interests in EAM Trust	4,892	4,214	9,697	7,858
Investment gains	368	138	762	1,308
Income before income taxes	10,328	6,540	17,792	13,580
Income tax provision	1,824	1,621	3,391	3,387
Net income	$ 8,504	$ 4,919	$ 14,401	$ 10,193
Earnings per share, basic & fully diluted (in dollars per share)	$ 0.89	$ 0.51	$ 1.51	$ 1.06
Weighted average number of common shares (in shares)	9,554,673	9,608,792	9,557,333	9,612,756
Subscription and Circulation [Member]
Revenues:
Revenues	$ 6,635	$ 6,901	$ 13,582	$ 13,993
License [Member]
Revenues:
Revenues	$ 3,338	$ 3,309	$ 6,557	$ 6,545