Note 7 - Stock-based Compensation (Tables)

9 Months Ended

Oct. 31, 2018

Notes Tables

Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table Text Block]

	Three Months Ended October 31,				Nine Months Ended October 31,
	2018		2017		2018		2017
Stock-based compensation expense	$	5	$	21	$	28	$	80
Restricted stock-based compensation expense		283		294		971		938
Total stock-based compensation expense	$	288	$	315	$	999	$	1,018

Share-based Compensation, Stock Options, Activity [Table Text Block]

Option activity	No. of Shares Underlying Options			Weighted Average Exercise Price		Weighted Average Remaining Contractual Term		Aggregate Intrinsic Value
Outstanding at January 31, 2018		358			9.44		4.0	$	482
Exercised		(37	)		6.88				86
Expired or forfeited		(54	)		17.08
Outstanding end of period		267			8.42		3.6		408
Exercisable end of period		257		$	8.49		3.5	$	384

Schedule of Nonvested Share Activity [Table Text Block]

Unvested option activity	No. of Shares Underlying Options			Weighted Average Grant Date Fair Value		Aggregate Intrinsic Value
Outstanding at January 31, 2018		31		$	8.24	$	50
Vested		(14	)
Expired or forfeited		(6	)
Outstanding end of period		11		$	7.00	$	23

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 (unvested) at January 31, 2018		360		$	9.05	$	3,254
Granted		148			9.76
Vested and issued		(89	)
Forfeited		(69	)		7.27
Outstanding (unvested) end of period		350			9.14	$	3,199