Stock-based compensation

3 Months Ended

Apr. 30, 2013

Stock-based compensation [Abstract]

Stock-based compensation [Text Block]

Stock-basedcompensation. The Company has stock-based compensation awards that can be granted to eligible employees, officers or directors.

	Three Months Ended April 30,
	2013		2012
Stock-based compensation expense		$119		$86

The fair value of the outstanding option awards was estimated on the grant dates using the Black-Scholes option pricing model.

	Three Months Ended April 30,
Fair value assumptions	2013	2012
Expected volatility	53.90% - 65.54%	58.12% - 66.82%
Risk free interest rate	.74% - 2.82%	1.54% - 3.57%
Dividend yield	none	none
Expected life	4.9 - 5.7 years	4.9 - 5.7 years

Option activity	Options		Weighted Average Exercise Price Per Share		Weighted Average Remaining Contractual Term in Years	Aggregate Intrinsic Value
Outstanding at beginning of year	969			$10.77	6.6		$40
Exercised	(8	)	6.38			6
Expired or forfeited	(6	)	6.95
Outstanding end of period	955		10.84		6.3	373
Exercisable end of period	596			$13.20	5.1		$199

Unvested option activity	Unvested Options Outstanding		Weighted Average Exercise Price Per Share		Aggregate Intrinsic Value
Outstanding at beginning of year	383			$6.91		$4
Vested	(18	)
Expired or forfeited	(6	)	6.95
Outstanding end of period	359			$6.92		$173

As of April 30, 2013, there was $822 thousand of total unrecognized compensation expense related to unvested stock options. The expense is expected to be recognized over a period of 2.3 years.