Note 11 - Stockholders' Equity (Tables)

3 Months Ended

Apr. 30, 2019

Notes Tables

Dividends Declared [Table Text Block]

Declaration Date	Record Date	Payable	Dividend Class A		Dividend Class B		(in thousands)
4/9/2019	4/23/2019	5/3/2019	$	0.072	$	0.06	$	1,374