Stock Option Plans (Tables)

6 Months Ended

Jul. 31, 2014

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price [Table Text Block]

The following table summarizes options granted, exercised and canceled or expired during the six months ended July 31, 2014:

	Shares			Weighted Average Exercise Price		Weighted Average Remaining Contractual Term (in years)		Aggregate Intrinsic Value (in thousands)
Outstanding at January 31, 2014		83,330		$	12.37
Exercised		(83,330	)	$	12.37
Outstanding and exercisable at July 31, 2014		—		$	—		—	$	—