Stock-based compensation Stock Compensation (Tables)

9 Months Ended

Oct. 31, 2014

Stock-based compensation [Abstract]

Stock-based compensation expense [Table Text Block]

	Three Months Ended October 31,					Nine Months Ended October 31,
	2014		2013			2014			2013
Stock-based compensation expense (benefit)		$74		($2	)		($217	)		$55
Restricted stock based compensation expense		$16		$62			$123			$288

Fair value assumptions [Table Text Block]

	Nine Months Ended October 31,
Fair value assumptions	2014	2013
Expected volatility	40.88% - 59.39%	49.65% - 65.54%
Risk free interest rate	.74% - 1.77%	.74% - 2.82%
Dividend yield	none	none
Expected life	4.9 - 5.1 years	4.9 - 5.7 years

Option activity [Table Text Block]

Option activity	Options		Weighted Average Exercise Price Per Share		Weighted Average Remaining Contractual Term in Years	Aggregate Intrinsic Value
Outstanding at January 31, 2014	776			$11.69	6.1		$3,859
Granted	97		12.41
Exercised	(45	)	7.27			155
Expired or forfeited	(61	)	19.35
Outstanding end of period	767		11.45		6.0	857
Exercisable end of period	520			$12.09	4.7		$676

Unvested option activity [Table Text Block]

Unvested option activity	Unvested Options Outstanding		Weighted Average Exercise Price Per Share		Aggregate Intrinsic Value
Outstanding at January 31, 2014	263			$8.31		$1,633
Granted	97		12.41
Vested	(102	)
Expired or forfeited	(11	)	8.36
Outstanding end of period	247			$10.10		$180

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Schedule of Share-based Compensation, Restricted Stock and Restricted Stock Units Activity [Table Text Block]

Restricted stock activity	Shares Outstanding		Weighted Average Exercise Price Per Share		Aggregate Intrinsic Value
Outstanding at January 31, 2014	29			$14.52		$419
Granted	84		12.41
Issued	(80	)
Outstanding end of period	33			$9.12		$305