Note 6 - Stock-based Compensation (Tables)

12 Months Ended

Jan. 31, 2020

Notes Tables

Share-based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block]

	Years Ended January 31,
	2020		2019		2018
	(in thousands)
Stock-based compensation expense:
Cost of subscription	$	315	$	252	$	161
Cost of maintenance revenue		540		497		384
Cost of professional services		1,456		1,219		1,085
Sales and marketing		2,057		2,111		1,510
Research and development		1,863		1,620		1,226
General and administrative		5,123		4,423		4,558
Total stock-based compensation expense	$	11,354	$	10,122	$	8,924

Share-based Payment Arrangement, Restricted Stock and Restricted Stock Unit, Activity [Table Text Block]

	RSUs (in thousands)			Weighted Average Grant Date Fair Value
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
Granted		300			51.70
Released (1)		(263	)		25.80
Forfeited		(27	)		30.63
Restricted stock at January 31, 2019		663		$	36.64
Granted		281			40.43
Released (1)		(267	)		32.71
Forfeited		(50	)		38.51
Restricted stock at January 31, 2020		627		$	39.86

Share-based Payment Arrangement, Performance Shares, Activity [Table Text Block]

	PSUs (in thousands)			Weighted Average Grant Date Fair Value
Performance stock units at January 31, 2019		—		$	—
Granted		93			39.82
Released		—			—
Forfeited		(3	)		39.82
Performance stock units at January 31, 2020		90		$	39.82

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

	Years Ended January 31,
	2019			2018
Expected life in years		5.50			5.50
Risk free interest rate		2.80	%		1.82	%
Volatility		31	%		33	%
Dividend rate		0.54	%		0.91	%

Share-based Payment Arrangement, Option and Stock Appreciation Rights, 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, 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
Granted		380			53.50
Exercised		(390	)		9.43
Expired		(5	)		9.17
Forfeited		(476	)		37.14
Outstanding at January 31, 2019		2,533		$	20.81
Granted		—			—
Exercised		(1,184	)		16.19
Expired		—			—
Forfeited		—			—
Outstanding at January 31, 2020		1,349		$	24.86		3.3	$	34,018
Vested and exercisable at January 31, 2020		1,064		$	20.70		2.7	$	30,691