Stock-based compensation Stock Compensation (Tables)

3 Months Ended

Apr. 30, 2018

Stock-based compensation [Abstract]

Stock-based compensation expense [Table Text Block]

	Three Months Ended April 30,
	2018		2017
Stock-based compensation expense		$13		($6	)
Restricted stock-based compensation expense		$241		$192

Option activity [Table Text Block]

Option activity	Options		Weighted Average Exercise Price		Weighted Average Remaining Contractual Term	Aggregate Intrinsic Value
Outstanding at January 31, 2018	358			$9.44	4.5		$534
Exercised	(4	)	6.88			37
Expired or forfeited	(5	)	9.23
Outstanding end of period	349		9.47		4.3	338
Exercisable end of period	322			$9.57	3.9		$303

Unvested option activity [Table Text Block]

Unvested option activity	Options		Weighted Average Grant Date Fair Value		Aggregate Intrinsic Value
Outstanding at January 31, 2018	31			$8.24		$50
Vested	(4	)
Expired or forfeited
Outstanding end of period	27			$8.28		$44

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, 2018	360			$9.05		$3,254
Granted	—
Issued	—
Forfeited	(1	)	8.00
Outstanding end of period	359			$9.10		$3,274