Deferred and restricted stock (Tables)

12 Months Ended

Jan. 31, 2016

Restricted stock [Line Items]

Schedule of restricted stock award activity [Table Text Block]

	Restricted shares		Weighted average grant price		Aggregate intrinsic value
Outstanding at January 31, 2014	50			$14.52		$719
Granted	54		12.41
Issued	(15	)
Forfeited	(3	)	11.25
Outstanding at January 31, 2015	86			$14.52		$1,242
Granted	108		6.38
Issued	(26	)
Forfeited	(5	)	6.38
Outstanding at January 31, 2016	163			$6.40		$1,040