Stock-based compensation Stock Compensation (Tables)

9 Months Ended

Oct. 31, 2016

Stock-based compensation [Abstract]

Stock-based compensation expense [Table Text Block]

	Three Months Ended October 31,					Nine Months Ended October 31,
	2016			2015		2016			2015
Stock-based compensation (benefit) expense		($83	)		$87		($367	)		$50
Restricted stock based compensation expense		$151			$79		$819			$337

Fair value assumptions [Table Text Block]

	Nine Months Ended October 31,
Fair value assumptions	2016	2015
Expected volatility	40.88% - 54.56%	40.88% - 59.39%
Risk free interest rate	.75% - 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
Granted	22		7.33
Exercised	(37	)	6.53			37
Expired or forfeited	(131	)	10.98
Outstanding end of period	574		11.62		4.7	352
Exercisable end of period	485			$12.05	4.0		$299

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		$—
Granted	22		7.33
Vested	(62	)
Expired or forfeited	(37	)	9.00
Outstanding end of period	89			$9.31		$53

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	241		7.26
Issued	(94	)
Forfeited	(2	)	6.92
Outstanding end of period	308			$7.91		$2,466