Significant accounting policies Cash, cash equivalents and restricted cash (Tables)

12 Months Ended

Jan. 31, 2018

Restricted Cash and Cash Equivalents Items [Line Items]

Restrictions on Cash and Cash Equivalents [Table Text Block]

(In thousands)	2017		2016
Cash and cash equivalents		$7,084		$7,603
Restricted cash	1,237		1,098
Cash, cash equivalents and restricted cash shown in the statement of cash flows		$8,321		$8,701