Note 11 - Treasury Stock and Repurchase Program (Tables)

3 Months Ended

Jul. 31, 2022

Notes Tables

Class of Treasury Stock [Table Text Block]

(in thousands except for shares and cost per share)	Shares		Cost Assigned		Average Cost per Share		Aggregate Purchase Price Remaining Under the Program
Balance as of April 30, 2022		490,157	$	9,967	$	20.33	$	1,241
Purchases effected in open market during the months ended:
Authorized May 31, 2022								3,000
May 31, 2022		20,595		1,455		70.65		2,786
June 30, 2022		14,434		927		64.22		1,859
July 31, 2022		-		-		-		1,859
Balance as of July 31, 2022		525,186	$	12,349	$	23.51	$	1,859