Note 11 - Stockholders' Equity (Tables)

6 Months Ended

Jul. 31, 2019

Notes Tables

Dividends Declared [Table Text Block]

Declaration Date	Record Date	Payable	Dividend Class A		Dividend Class B		Amount (in thousands)
6/24/2019	7/10/2019	7/17/2019	$	0.072	$	0.06	$	1,387
4/9/2019	4/23/2019	5/3/2019	$	0.072	$	0.06	$	1,374