Deferred and restricted stock (Tables)

12 Months Ended

Jan. 31, 2017

Restricted stock [Line Items]

Deferred compensation expense [Table Text Block]

	2016		2015
Deferred compensation liabilities		$529		$495

Schedule of restricted stock award activity [Table Text Block]

	Restricted shares		Weighted average grant price		Aggregate intrinsic value
Outstanding on January 31, 2015	86			$14.52		$1,242
Granted	108		6.38
Issued	(26	)
Forfeited	(5	)	6.38
Outstanding on January 31, 2016	163			$6.40		$1,040
Granted	254		7.29
Issued	(91	)
Forfeited or used to cover payroll taxes	(36	)	7.75
Outstanding on January 31, 2017	290			$8.75		$2,540