Significant accounting policies Accumulated other comprehensive loss (Tables)

12 Months Ended

Jan. 31, 2017

Accumulated other comprehensive loss [Abstract]

Accumulated other comprehensive loss [Table Text Block]

	2016			2015
Equity adjustment foreign currency, gross		($1,409	)		($2,208	)
Minimum pension liability, gross	(1,472)			(2,303)
Marketable security, gross	142			118
Subtotal excluding tax effect	(2,739)			(4,393)
Tax effect of foreign exchange currency	(50)			(69)
Tax effect of minimum pension liability	115			523
Tax effect of marketable security	(50)			(41)
Total other comprehensive loss	($2,724)			($3,980)