Note 10 - Stockholders' Equity (Tables)

3 Months Ended

Apr. 30, 2018

Notes Tables

Dividends Declared [Table Text Block]

Declaration Date	Record Date	Payable		Dividend Class A		Dividend Class B		(in thousands)
4/10/2018	4/24/2018	5/1/2018	$	0.072	$	0.06	$	1,359