Note 5 - Stockholders' Equity (Tables)

12 Months Ended

Jan. 31, 2021

Notes Tables

Dividends Declared [Table Text Block]

Declaration Date	Record Date	Payable	Dividend Class A		Dividend Class B		(in thousands)
12/14/2020	12/29/2020	1/7/2021	$	0.072	$	0.06	$	1,450
9/9/2020	9/23/2020	9/30/2020	$	0.072	$	0.06	$	1,451
6/11/2020	6/25/2020	7/7/2020	$	0.072	$	0.06	$	1,448
4/7/2020	4/22/2020	4/29/2020	$	0.072	$	0.06	$	1,431