Stock-based compensation

9 Months Ended

Oct. 31, 2017

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 October 31,				Nine Months Ended October 31,
	2017		2016		2017		2016
Stock-based compensation expense		$21		$55		$80		$216
Restricted stock-based compensation expense		$294		$151		$938		$819

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

	Nine Months Ended October 31,
Fair value assumptions	2017	2016
Expected volatility	43.2%	43.2%
Risk free interest rate	1.2%	1.2%
Dividend yield	0	0
Expected life	5.0	5.0

Option activity	Options		Weighted Average Exercise Price		Weighted Average Remaining Contractual Term	Aggregate Intrinsic Value
Outstanding at January 31, 2017	524			$11.55	4.5		$534
Exercised	(30	)	6.77			37
Expired or forfeited	(125	)	18.75
Outstanding end of period	369		9.50		4.3	338
Exercisable end of period	335			$9.62	3.9		$303

Unvested option activity	Options		Weighted Average Grant Date Fair Value		Aggregate Intrinsic Value
Outstanding at January 31, 2017	74			$9.31		$69
Vested	(32	)
Expired or forfeited	(8	)	11.49
Outstanding end of period	34			$8.32		$35

As of October 31, 2017, there was $0.1 million of total unrecognized compensation expense related to unvested stock options. The expense is expected to be recognized over a period of 1.8 years.

Restricted stock. The following table summarizes restricted stock activity for the year:

Restricted stock activity	Restricted Shares		Weighted Average Grant Price Per Share		Aggregate Intrinsic Value
Outstanding at January 31, 2017	290			$8.75		$2,540
Granted	172		8.02
Issued	(55	)
Forfeited	(39	)	7.86
Outstanding end of period	368			$8.35		$2,955

As of October 31, 2017, there was $1.6 million of unrecognized compensation expense related to unvested restricted stock granted under the plans. The cost is expected to be recognized over the weighted-average period of 2.2 years.