Consolidated Statements of Operations and Statements of Comprehensive Income (Loss) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Oct. 31, 2013	Oct. 31, 2012	Oct. 31, 2013	Oct. 31, 2012
Revenue:
License revenue	$ 11,121	$ 10,317	$ 32,532	$ 30,545
Project revenue	2,987	2,295	6,768	5,194
Total revenues	14,108	12,612	39,300	35,739
Operating expenses:
Cost of revenues	4,023	3,644	11,527	9,979
Sales and marketing	2,243	1,529	6,539	4,838
Research and development	4,428	4,113	13,264	12,410
General and administrative	2,736	2,435	7,933	6,361
Total operating expenses	13,430	11,721	39,263	33,588
Income from operations	678	891	37	2,151
Other expense, net:
Foreign exchange gain (loss)	31	(115)	(25)	211
Interest expense	(71)	(403)	(628)	(1,226)
Interest income	4	1	13	3
Loss on extinguishment of debt			(755)
Other income, net	2	2	7	513
Total other expense, net	(34)	(515)	(1,388)	(499)
Income (loss) before income taxes	644	376	(1,351)	1,652
(Provision) benefit for income taxes	(128)	(217)	528	(549)
Net income (loss)	516	159	(823)	1,103
Net income (loss) per share:
Basic	$ 0.04	$ 0.01	$ (0.06)	$ 0.18
Diluted	$ 0.04	$ 0.01	$ (0.06)	$ 0.09
Weighted average shares outstanding used in computing net income (loss) per share:
Basic	13,341,235	13,264,018	13,318,839	6,133,987
Diluted	14,704,522	14,639,264	13,318,839	12,303,723
Comprehensive income (loss):
Net income (loss)	516	159	(823)	1,103
Foreign currency translation adjustments	64	10	76	13
Comprehensive income (loss)	$ 580	$ 169	$ (747)	$ 1,116