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Note 16 - Stock-based Compensation Plans (Tables)

12 Months Ended

Jan. 31, 2016

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

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

Year Ended		January 31, 2016				January 31, 2015				January 31, 2014
Cost of revenues			24				45				54
Sales and marketing			41				70				538
Research and development			-				2				12
General and administrative			1,512				1,426				1,138
Other charges			-				-				781
Effect on net income			1,577				1,543				2,523

Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]

Year Ended		January 31, 2015
Expected dividend yield (%)			-
Expected volatility (%)			25.4
Risk-free rate (%)			1.5
Expected option life (years)			5

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

		Number of Stock Options Outstanding				Weighted- Average Exercise Price				Weighted- Average Remaining Contractual Life (years)				Aggregate Intrinsic Value (in millions)
Balance at January 31, 2014			1,139,853			$	4.39
Granted			215,000			$	13.77
Exercised			(220,138	)		$	3.49
Surrendered for Shares			(175,000	)		$	4.53
Forfeited			(6,451	)		$	5.72
Balance at January 31, 2015			953,264			$	6.33				2.5				10.6
Exercised			(37,500	)		$	4.18
Surrendered for Shares			(446,875	)		$	2.59
Balance at January 31, 2016			468,889			$	8.25				3.5				5.2
Vested or expected to vest at January 31, 2016			450,589			$	8.18				3.5				5.0
Exercisable at January 31, 2016			292,811			$	6.54				2.6				3.7

Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range [Table Text Block]

				Options Outstanding												Options Exercisable
Range of Exercise Prices				Weighted   Average Exercise Price				Number of Stock Options				Weighted Average Remaining Contractual Life (years)				Weighted Average Exercise Price				Number of Stock Options
$4.88	–	$5.54		$	4.91				215,889				1.8			$	4.91				208,311
$6.91	–	$6.91		$	6.91				38,000				3.5			$	6.91				22,000
$11.69	–	$11.85		$	11.84				215,000				5.4			$	11.84				62,500
				$	8.25				468,889				3.5			$	6.54				292,811

Schedule of Nonvested Share Activity [Table Text Block]

		Number of Stock Options Outstanding				Weighted- Average Grant-Date Fair Value per Share
Balance at January 31, 2014			164,145			$	2.21
Granted			40,000			$	3.43
Vested			(73,840	)		$	1.97
Forfeited			(6,451	)		$	1.96
Balance at January 31, 2015			123,854			$	2.56
Vested			(70,276	)		$	1.92
Balance at January 31, 2016			53,578			$	2.52

Share-based Compensation, Performance Shares Award Outstanding Activity [Table Text Block]

		Number of PSUs Outstanding				Weighted- Average Granted Date Fair Value				Weighted- Average Remaining Contractual Life (years)				Aggregate Intrinsic Value (in millions)
Balance at January 31, 2014			211,428			$	11.69
Granted			51,752			$	16.67
Exercised			(83,984	)		$	10.88
Forfeited			(4,938	)		$	10.93
Balance at January 31, 2015			174,258			$	12.61				7.9				3.0
Granted			49,187			$	19.70
Performance units issued			30,092			$	9.34
Balance at January 31, 2016			253,537			$	12.39				7.2				4.9
Vested or expected to vest at January 31, 2016			253,537			$	12.39				7.2				4.9
Exercisable at January 31, 2016			152,598			$	9.36				6.3				2.9

Schedule of Share-based Compensation, Restricted Stock and Restricted Stock Units Activity [Table Text Block]

		Number of RSUs Outstanding				Weighted- Average Granted Date Fair Value				Weighted- Average Remaining Contractual Life (years)				Aggregate Intrinsic Value (in millions)
Balance at January 31, 2014			214,076			$	8.96
Granted			51,752			$	13.79
Exercised			(85,298	)		$	8.36
Forfeited			(4,938	)		$	8.59
Balance at January 31, 2015			175,592			$	9.94				7.9				3.1
Granted			49,187			$	15.33
Balance at January 31, 2016			224,779			$	10.03				7.4				4.3
Vested or expected to vest at January 31, 2016			224,779			$	10.03				7.4				4.3
Exercisable at January 31, 2016			174,737			$	8.86				7.0				3.4

Schedule Of Cash Settled Restricted Share Unit Plan Activity [Table Text Block]

		Number of CRSUs Outstanding				Weighted- Average Remaining Contractual Life (years)
Balance at January 31, 2014			152,794
Granted			68,439
Vested and settled in cash			(106,910	)
Forfeited			(467	)
Balance at January 31, 2015			113,856				1.5
Granted			72,817
Vested and settled in cash			(85,924	)
Balance at January 31, 2016			100,749				1.6
Non-vested at January 31, 2016			100,749				1.6

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