Condensed Consolidated Statements of Operations and Comprehensive Income (Loss) (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 31, 2016	Oct. 31, 2015	Oct. 31, 2016	Oct. 31, 2015
Common Class A [Member]
Other (income) expense:
Net (loss) income	$ 1,311	$ 2,208	$ (245)	$ 4,067
Basic net income (loss) per share
Basic net (loss) income per share (in dollars per share)	$ 0.08	$ 0.14	$ (0.02)	$ 0.26
Diluted net income (loss) per share
Diluted net (loss) income per share (in dollars per share)	$ 0.08	$ 0.14	$ (0.02)	$ 0.25
Net (loss) income	$ 1,311	$ 2,208	$ (245)	$ 4,067
Common Class B [Member]
Other (income) expense:
Net (loss) income	$ 222	$ 378	$ (46)	$ 699
Basic net income (loss) per share
Basic net (loss) income per share (in dollars per share)	$ 0.07	$ 0.12	$ (0.01)	$ 0.22
Diluted net income (loss) per share
Diluted net (loss) income per share (in dollars per share)	$ 0.07	$ 0.12	$ (0.01)	$ 0.21
Net (loss) income	$ 222	$ 378	$ (46)	$ 699
License fees	4,323	6,350	14,686	21,761
Subscription fees	13,678	9,659	37,487	28,223
Maintenance and other	32,552	33,395	98,654	100,611
Professional services	18,981	18,633	53,882	57,998
Total revenue	69,534	68,037	204,709	208,593
License fees	582	827	2,072	2,728
Subscription fees	7,145	5,134	20,085	15,360
Maintenance and other	7,480	7,924	22,991	23,608
Professional services	17,850	17,120	52,851	54,035
Total cost of revenue	33,057	31,005	97,999	95,731
Gross profit	36,477	37,032	106,710	112,862
Sales and marketing	15,312	15,531	49,544	49,658
Research and development	10,807	10,193	33,019	31,440
General and administrative	7,934	7,676	24,423	24,719
Amortization of intangibles from acquisitions	165	165	496	495
Total operating expenses	34,218	33,565	107,482	106,312
Operating income (loss)	2,259	3,467	(772)	6,550
Interest income	(184)	(80)	(515)	(224)
Interest expense	168	171	503	544
Other (income) expense, net	(413)	61	24	(471)
Total other (income) expense	(429)	152	12	(151)
Income (loss) before income taxes	2,688	3,315	(784)	6,701
Income tax expense (benefit)	1,155	729	(493)	1,935
Net (loss) income	1,533	2,586	(291)	4,766
Net (loss) income	1,533	2,586	(291)	4,766
Other comprehensive income (loss), net of tax:
Foreign currency translation adjustment	(20)	(466)	341	(1,138)
Total comprehensive income	$ 1,513	$ 2,120	$ 50	$ 3,628