Stock-Based Compensation (Details 2) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Apr. 30, 2013	Apr. 30, 2012
Schedule of Stock-based compensation expense
Total stock-based compensation expense	$ 507	$ 484
Income tax benefit	(193)	(188)
Total stock-based compensation expense, net of tax	314	296
Cost of revenue - maintenance [Member]
Schedule of Stock-based compensation expense
Total stock-based compensation expense	16	16
Cost of revenue - professional services [Member]
Schedule of Stock-based compensation expense
Total stock-based compensation expense	(28)	9
Sales and marketing [Member]
Schedule of Stock-based compensation expense
Total stock-based compensation expense	173	137
Research and development [Member]
Schedule of Stock-based compensation expense
Total stock-based compensation expense	107	64
General and administrative [Member]
Schedule of Stock-based compensation expense
Total stock-based compensation expense	$ 239	$ 258