Note 10 - Stock-based Compensation (Tables)

6 Months Ended

Jul. 31, 2017

Notes Tables

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

	Three Months Ended July 31,				Six Months Ended July 31,
	201 7		201 6		201 7		201 6
	(in thousands)				(in thousands)
Cost of subscription	$	36	$	27	$	61	$	49
Cost of maintenance and other revenue		95		73		172		140
Cost of professional services		274		212		494		385
Sales and marketing		368		321		685		598
Research and development		304		249		557		486
General and administrative		1,515		1,211		2,391		2,043
Total stock-based compensation expense	$	2,592	$	2,093	$	4,360	$	3,701

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

	RSUs			Weighted Average Grant Date Fair Value
	(in thousands)
Outstanding at January 31, 2017		623		$	20.56
Granted		293			30.66
Released (1)		(235	)		20.48
Forfeited		(8	)		20.17
Outstanding at July 31, 2017		673		$	24.98

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

	Six Months Ended July 31 ,
	201 7			201 6
Expected life in years (1)		5.50			5.25
Risk free interest rate (2)		1.82	%		1.16	%
Volatility (3)		33	%		36	%
Dividend rate (4)		0.91	%		1.51	%

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

	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		(73	)		10.70
Expired		(1	)		9.09
Forfeited		—			—
Outstanding at July 31, 2017		3,099		$	17.60		4.4	$	40,378
Vested and exercisable at July 31, 2017		2,146		$	14.11		3.3	$	35,187