Income Taxes (Tables)

6 Months Ended

Jul. 31, 2020

Income Tax Disclosure [Abstract]

Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block]

A reconciliation of the beginning and ending amount of unrecognized tax benefits, including interest and penalties, is as follows (amounts in thousands):

	Six Months Ended July 31,
	2020			2019
Unrecognized tax benefits, beginning of period	$	7,370		$	9,232
Changes for prior years’ tax positions		(53	)		102
Changes for current year tax positions		-			-
Unrecognized tax benefits, end of period	$	7,317		$	9,334