Note 5 - Stock-based Compensation (Tables)

12 Months Ended

Jan. 31, 2018

Notes Tables

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

	Years Ended January 31,
	2018		2017		2016
	(in thousands)
Stock-based compensation expense:
Cost of subscription	$	161	$	113	$	76
Cost of maintenance and other revenue		384		299		271
Cost of professional services		1,085		848		739
Sales and marketing		1,510		1,200		1,377
Research and development		1,226		1,009		900
General and administrative		4,558		3,854		4,077
Total stock-based compensation expense	$	8,924	$	7,323	$	7,440

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

	RSUs (in thousands)			Weighted Average Grant Date Fair Value
Restricted stock at January 31, 2015		503		$	16.27
Granted		326			24.75
Released (1)		(192	)		15.58
Forfeited		(20	)		18.93
Restricted stock at January 31, 2016		617		$	20.91
Granted		307			18.54
Released (1)		(259	)		18.96
Forfeited		(42	)		20.69
Restricted stock at January 31, 2017		623		$	20.56
Granted		295			30.69
Released (1)		(245	)		20.48
Forfeited		(20	)		22.36
Restricted stock at January 31, 2018		653		$	25.10

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

	Years Ended January 31,
	2018			2017			2016
Expected life in years		5.50			5.25			5.00
Risk free interest rate		1.82	%		1.16	%		1.64	%
Volatility		33	%		36	%		41	%
Dividend rate		0.91	%		1.51	%		1.10	%

Schedule of Share-based Compensation, Stock Options and Stock Appreciation Rights Award Activity [Table Text Block]

	Options/ SARs (in thousands)			Weighted Average Exercise Price per Share		Weighted Average Remaining Contractual Term (years)		Aggregate Intrinsic Value (in thousands)
Outstanding at January 31, 2015		2,499		$	12.69
Granted		380			25.34
Exercised		(266	)		10.69
Expired		(12	)		14.22
Forfeited		(5	)		12.05
Outstanding at January 31, 2016		2,596		$	14.74
Granted		380			18.64
Exercised		(158	)		10.94
Expired		(17	)		12.56
Forfeited		(8	)		12.09
Outstanding at January 31, 2017		2,793		$	15.51
Granted		380			31.65
Exercised		(139	)		10.52
Expired		(10	)		9.74
Outstanding at January 31, 2018		3,024		$	17.78		4.0	$	72,901
Vested and exercisable at January 31, 2018		2,073		$	14.25		2.9	$	57,045