Stock-Based Compensation (Details 4) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jan. 31, 2013	Jan. 31, 2012	Jan. 31, 2011
Schedule of Stock-based compensation expense
Total stock-based compensation expense	$ 1,613	$ 1,395	$ 3,585
Income tax benefit	(614)	(541)	(1,393)
Total stock-based compensation expense, net of tax	999	854	2,192
Cost of revenue - maintenance [Member]
Schedule of Stock-based compensation expense
Total stock-based compensation expense	57	63	94
Cost of revenue - professional services [Member]
Schedule of Stock-based compensation expense
Total stock-based compensation expense	48	66	63
Sales and marketing [Member]
Schedule of Stock-based compensation expense
Total stock-based compensation expense	286	557	541
Research and development [Member]
Schedule of Stock-based compensation expense
Total stock-based compensation expense	251	(110)	796
General and administrative [Member]
Schedule of Stock-based compensation expense
Total stock-based compensation expense	$ 971	$ 819	$ 2,091