Stock-based compensation Stock Compensation (Tables)

3 Months Ended

Apr. 30, 2016

Stock-based compensation [Abstract]

Stock-based compensation expense [Table Text Block]

	Three Months Ended April 30,
	2016			2015
Stock-based compensation (benefit) expense		($2	)		$59
Restricted stock based compensation expense		$390			$89

Fair value assumptions [Table Text Block]

	Three Months Ended April 30,
Fair value assumptions	2016	2015
Expected volatility	40.88% - 57.02%	40.88% - 59.39%
Risk free interest rate	.74% - 1.77%	.74% - 1.77%
Dividend yield	none	none
Expected life	5.0 - 5.1 years	4.9 - 5.1 years

Option activity [Table Text Block]

Option activity	Options		Weighted Average Exercise Price		Weighted Average Remaining Contractual Term	Aggregate Intrinsic Value
Outstanding at January 31, 2016	720			$11.38	5.1		$34
Expired or forfeited	(42	)	9.63
Outstanding end of period	678		11.49		4.7	118
Exercisable end of period	535			$12.00	3.9		$92

Unvested option activity [Table Text Block]

Unvested option activity	Options		Weighted Average Grant Date Fair Value		Aggregate Intrinsic Value
Outstanding at January 31, 2016	166			$9.51		$—
Vested	(2	)
Expired or forfeited	(21	)	9.07
Outstanding end of period	143			$9.57		$—

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	Restricted Shares		Weighted Average Grant Price Per Share		Aggregate Intrinsic Value
Outstanding at January 31, 2016	163			$8.60		$1,040
Granted	90		7.25
Issued	(10	)
Forfeited	(1	)	6.38
Outstanding end of period	242			$8.17		$1,686