Stock options Unvested options (Tables)

12 Months Ended

Jan. 31, 2014

Unvested options [Abstract]

Schedule of Nonvested Share Activity [Table Text Block]

Unvested options outstanding	Options		Weighted-average grant date fair value	Aggregate intrinsic value
Outstanding at beginning of year	383		$6.91	$4
Granted	103		10.55
Vested	(184	)
Expired or forfeited	(39	)	7.05
Outstanding at January 31, 2014	263		$8.31	$1,633